https://www.vaillant.com/en/2026-08-27T13:04:00+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000352-01.jpgAn installer is crouching in front of a heat pump and explaining something to a man.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311798-01.jpgHeat pump in Vaillant test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar10-3174-01.jpgauroTHERM classichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310426-01.jpguniTOWER plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-314231-01.jpgVaillant portfoliohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgFamily cooking together with ecoTEC plus on the wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/231218-vaillant-150-years1-1.jpg150 years of Vaillanthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000298-01.jpgfamily having barbecue in gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/happy-customer-en-int-desktop.jpgCouple sitting outside in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-range-motiv-7-2er-no-base-cover-1jbrgb-copy.jpgHeat pump range Vaillanthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010.jpgVaillant hybrid heating system with the aroTHERM plus heat pump and ecoTEC plus gas boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://www.vaillant.com/en/advice/2026-08-25T16:27:52+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility-1.jpgHeat pump in front of new househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/key-visual-arotherm-plus-4-3.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000172-01.jpgVaillant heat pump in the garden in front of a house.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309422-01.jpgA plumber is advising a couplehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000019-01.jpgCouple sitting together looking at their phone.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000094-01.jpgAn installer and end customer talking with each other about the options of a new heating systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman is cooking in the kitchen - in the background a Vaillant ecoTEC plus boilerhttps://www.vaillant.com/en/advice/find-the-perfect-heating-system-for-your-home/2026-08-25T11:10:02+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/d1-frontyard-arothermplus-b-4677.jpgHeat pump in front of new househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311762-1.jpgMan working in Vaillant technology centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000202-01.jpgA boy is blowing soap bubbles in the garden in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114202-01.jpgVaillant heat pump systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-undecidedjourney-step2.jpgQuick check 2https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-m-cover-0011.jpgHeat pump in front of a green wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comparison-table-heating-system-en.jpgtable comparing heatpumps, gas boilers and hybrid solutions regarding efficiency, initial costs, running costs, and house typeshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-undecidedjourney-step1-1.jpgQuick check 1https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus.jpgHybrid system, consisting of a heat pump and a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000094-01.jpgAn installer and end customer talking with each other about the options of a new heating systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-undecidedjourney-step3.jpgQuick check 3https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgMiddle-aged couple in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-ecotec-plus-0008.jpgBoiler on the wallhttps://www.vaillant.com/en/advice/understand-technology/2026-08-11T13:34:03+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility-1.jpgVaillant aroTHERM pro in front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/scenic-aguaflow-plus-heating-room.jpgaguaFLOW hot water station in the boiler roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/fancoil25-000220-01.jpgCouple sitting on the sofa looking at a smartphonehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation25-000044-1.jpgHeat pump in front of new househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/0020277139-01-technologieinfo-solarthermie-1.jpgA Vaillant solar thermal collector on a roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000008-01-uk.jpgMother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000038-1.jpgAirconditioning climaVAIR multi console in living room on wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010-extended.jpgHybrid heating system with the aroTHERM plus heat pump and the ecoTEC plus gas condensing boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000151-01.jpgWoman washing dishes in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/unistor-vih-rw-200-scenic.jpgA uniSTOR cylinder in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-1.jpgHeat pump in front of new househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgConsulting situation and heat pump in a gardenhttps://www.vaillant.com/en/advice/understand-technology/system-provider/2026-08-27T15:22:00+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/90s-vs-70s-home-motif-2-01.jpg70s house heating systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-0013.jpgheat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/climavair-plus-composing-front-16-9.jpgairconhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114209-02.jpgHot water cylinderhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114201-01.jpgVaillant heat pump systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation25-114297-01.jpgrecoVAIRhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010.jpgHeat pump and boiler in front of wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000415-01.jpgHeat pump in front of househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/90s-vs-70s-home-motif-4-01.jpg90s house heating systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgMiddle-aged couple in front of heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/2026-08-26T09:04:33+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-funktionszeichung-waermepumpe-air-source-1x1.jpgFunctionality of an air-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heat-pumps-function-21x9-01.jpgOperating principle of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-9.jpgInstaller and end user talking in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000286-01.jpgFamily enjoys pleasant indoor temperatures in summerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000182-01.jpgChildren watering plants in a garden with a heat pump in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/function-heat-pump-ground-source-sonde-1x1.jpgGround-source heat pumps.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp19-309199-01.jpgInstallation of a Vaillant Heat Pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000001-01.jpgAnthrazite heat pump in front of househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgaroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/function-heat-pump-water-source-1x1.jpgFunctionality of a water-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010.jpgHeat pump and boiler in front of wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgConsulting situation and heat pump in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgMan looking at phonehttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/air-source-heat-pump/2026-08-27T15:13:47+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heat-pump-air-function-21x9-01.jpgOperating principle of an air-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgaroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp14-32158-03.jpgHeat pump in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000016-01.jpgAir-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgCraftsman and customer at the table during planninghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-311359-01.jpgHeat pump in front of a wallhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/water-source-heat-pump/2026-08-26T09:05:29+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heat-pumps-function-21x9-01-groundwater.jpgOperating principle of a water-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp14-32158-03.jpgA water-source heat pump in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000016-01.jpgA heat pump outdoor unit in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA man and a woman walking in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-311359-01.jpgA ground-source heat pump in the basementhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/ground-source-heat-pump/2026-08-20T09:47:10+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/function-heat-pump-ground-source-ring-16x9.jpgElongated loop shape of the ring collectorshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heat-pumps-function-21x9-01-soil.jpgOperating principle of a ground-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/function-heat-pump-ground-source-collectors-16x9.jpgHorizontal piping system of the ground collectorshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-314258-01.jpgMother and son checking the washing machine with a ground-source heat pump in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/function-heat-pump-ground-source-sonde-16x9.jpgVertical pipes of the geothermal probeshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp14-32158-02.jpgA water-source heat pump in close-uphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000016-01.jpgAn air-source heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/function-heat-pump-ground-source-basket-16x9.jpgSpiral pipe structures of the geothermal basketshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/cooling-with-a-heat-pump/2026-08-27T15:15:32+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000096-01.jpga dog lying on the floorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/cooling-with-heat-pump-16x9-active-en.jpgInfographic explaining active cooling with a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000035-01.jpgA boy and his father in a garden in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/r290-visual-teaser.jpgaroTHERM plus heat pump with R290https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000038-1.jpgA girl and her father in front of an air conditioninghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFather and two children relaxing on a couch, glass door in the background provides a look onto the terracehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000127-01.jpgchild relaxes on a giant pillowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/cooling-with-heat-pump-16x9-passive-en.jpgInfographic explaining passive cooling with a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/disadvantages-heat-pumps/2026-08-20T09:50:08+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgA girl and her mother playing with foam on a sink in front of a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313973-01.jpgaroTHERM plus heat pump outdoor unit.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000392-01.jpgPeople dining in their garden, enjoying the silence of their heat pump.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-314191-01.jpgInstaller and homeowner looking at smartphonehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp19-309237-02.jpgMid-century modern home with a heat pump.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313995-01.jpg38% less running costshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000176-01.jpgkid blowing bubbles in the garden with his mom and a heat pump in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgA family relaxing on a sofa in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/split-heat-pump/2026-08-26T12:54:46+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility-1.jpgA heat pump outdoor unit in front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/mono-vs-split-3.jpgOperating principal of a Vaillant split heat-pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313272-01.jpgchild playing with a ball in front of a heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310410-02.jpguniTOWER for Split heat pump systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgaroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-hare-subsidy-75-teaser-16x9.jpgVaillant hare with a "Get up to 75% subsidy now" sign.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgCooling with a Vaillant heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-arotherm-split-plus-front-1.jpgVaillant aroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA couple walking in front of a heat pump outside their househttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/monoblock-heat-pump/2026-08-27T15:27:42+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpguniSTOR plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/key-visual-arotherm-plus-4-3.jpgHeat pump in close-uphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/day4-vaillant-lifestyle-d4-garden-arotherm-plus-b-s2-0368.jpga heat pump outdoor unit in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-hare-r290-teaser-16x9.jpgVaillant with R290 Natural Performance bannerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-311101-01.jpgIndoor installation of a Vaillant versoTHERMhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-thesign-subsidies-herospaceheader-1600x533.jpgA couple sitting on a heat pump, a floating button next to them, recommending to secure subsidy nowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-01.jpgA woman with her dog sitting inside in front of a window, a heat pump in the background outsidehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/mono-vs-split-arotherm-anthracite-1.jpgTechnical illustration of an operating principal of a monobloc heat-pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA couple walking outside of their home in front of a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/mono-vs-split/2026-08-19T09:20:47+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility-1.jpgA heat pump outdoor unit in front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-r290xhare-header-1.jpgVaillant hare with natural refrigerant logo in front of an aroTHERM plus heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/mono-vs-split-2.jpgTechnical illustration of an operating principal of a monobloc heat-pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/mono-vs-split-4.jpgTechnical illustration of an operating principal of a split heat-pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-9.jpgAn installer consulting a manhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-people-75-subsidy-teaser-16x9-1.jpgMan with his son gardening next to a "Get up to 75% subsidy now" sign. Outdoor unit of a heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA couple walking outside their house in front of a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/heat-pump-installation/2026-08-20T10:19:08+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313631-01.jpgInstaller working on an inside unit of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000165-1.jpgInstallers positioning air source heat pump into placehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313364-01.jpgA father and his daughter watch an installer install a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgaroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000166-01.jpgAn installer checking a heat pump with a toolhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp14-32158-02.jpgWater-source heat pump flexoTHERM in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000016-01.jpgAn outdoor unit of a heat pump in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310193-01.jpgGround-source heat pump geoTHERM in a basementhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA couple in front of a heat pump walking outside their househttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/cop/2026-08-20T09:52:35+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313972-01.jpgheat pump standing outside in front of a brick wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000009-01.jpgA father and his daughter in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000202-01.jpgA boy is blowing soap bubbles in the garden in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000340-01.jpgGirl on a swing with a heat pump in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgPV panels on a roofhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/r290-refrigerant/2026-08-24T11:00:28+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-r290-naturalperfomance-leaf-16-9.jpgR290 badgehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000030-01.jpgA heat pump outdoor unit in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/251218-va-r290xhare-graphic.jpginfographic comparing differen refigerants with R290https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313278-01.jpgBoy playing in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on a couch in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-r290xhare-header-2.jpgR290 heat pump refrigeranthttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/refrigerants/2026-08-21T13:47:06+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/r290-visual.jpgA heat pump with a R290 labelhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000030-01.jpgaroTHERM Split plus in front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/251218-va-r290xhare-graphic.jpgThe gwp of refrigerants.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310423-01.jpgA person holding a smartphone in front of a Vaillant devicehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/f-gas-regulation/2026-08-21T13:49:14+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/key-visual-arotherm-plus-4-3.jpgHeat pump in close-uphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-m-0011.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/251218-va-r290xhare-graphic.jpgGWP of refrigerants and phase-out dates of F-gaseshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313278-01.jpgA boy with a Vaillant Heat Pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313323-01.jpgAn installer and a woman shaknig hands in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-split-flexibility1256x550.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000131-01.jpgHeat Pump Modernisationhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/heat-pump-costs/2026-08-26T13:13:50+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000035-01.jpgMan with his son gardening. Outdoor unit of a heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000138-01.jpgHeat pump installer and houseowner talking next to a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000027-01.jpgA dog sleeping in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000053-1.jpghouse with photovoltaic panels on the roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313972-01.jpgA heat pump in front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000089-01.jpgtwo children running barefoot across a wooden floor at homehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000202-01.jpgboy playing and a heat pump in the backhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-hare-subsidy-75-teaser-16x9.jpgVaillant hare with a "Get up to 75% subsidy now" sign.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313323-01.jpgAn installer shaking hands with a woman in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000409-01.jpgA couple walking outside their house in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-3d-chrome-logo-1.jpgCOP Calculator (Placeholder)https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-r290xhare-header.jpgA boy holding a coin sitting on a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/heat-pump-running-costs/2026-08-20T10:33:06+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-funktionszeichung-waermepumpe-air-source-1x1.jpgFunctionality of an air-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/function-heat-pump-water-source-1x1-1.jpgFunctionality of a water-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000053-01.jpgHouse with photovoltaic panels on the roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000202-01.jpgA boy is blowing soap bubbles in the garden in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311801-01.jpgA Vaillant heat pump in a cold chamberhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310426-01.jpguniTOWER plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on a couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000070-01.jpgVaillant expert and houseowner talkinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/function-heat-pump-ground-source-basket-16x9.jpgFunctionality of a ground-source heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA couple walking outside of their house in front of a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/heat-pump-with-radiators/2026-08-26T13:16:35+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator17-34297-02.jpgA radiator with a couch and cozy light in the background, the radiator's display shows 21°https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/r290-visual-1.jpgA heat pump with a R290 labelhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA couple walking in front of their heat pump outside of their househttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/heat-pump-noise/2026-08-26T13:18:52+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000027-01.jpgDog sleeping close to heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sound-emission-arotherm-16x9.jpgGraphic about the noise level of Vaillant heat pumps.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313364-01.jpgA girl and her father watching an installer install a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgHeat pump standing outside in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000286-01.jpgFamily preparing food in the kitchen with a heat pump outside in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000024-01.jpgsmiling girl. heat pump in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313637-01.jpgHeat pump placed insidehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/dimensioning-heat-pump-kw/2026-08-20T10:07:27+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/d1-frontyard-arothermplus-b-4677.jpgheat pump in the front yardhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/key-visual-arotherm-plus-4-3.jpgAnthrazite heat pump with Vaillant logohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-8.jpginstaller and houseowner next to a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-b2c-kampagne2023-installer-5.pngInstaller balancing a tool on his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgaroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000249-01.jpgA man sitting in a garden in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA couple walking in front of a heat pump outside their househttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/should-your-heat-pump-be-off-at-night/2026-08-26T13:30:27+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-310089-02.jpgsensoHOMEhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000167-01.jpgMan typing on controlhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000027-01.jpgA dog sleeping in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgMan, woman and child relaxinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310423-01.jpgA person holding a smartphone in front of a Vaillant devicehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a manhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/can-an-air-source-heat-pump-be-wall-mounted/2026-08-26T13:29:39+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000027-01.jpgA dog sleeping in front of a heat pump in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313302-01.jpgA family sitting on a sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313995-01.jpgA heat pump in close-uphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgaroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313323-01.jpgAn installer shaking hands with a woman in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgAn installer explaining a plan to a customerhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/finding-the-right-cylinder-for-your-heat-pump/2026-08-26T13:34:00+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility-1.jpgHeat pump in the front yard of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpgCylinder in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000379-01.jpgInstaller maintains a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp22-312120-01.jpgA hot water cylinder and a heat pump unit in a roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313263-01.jpgMan is using the heating control sensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/heat-pumps-for-flats/2026-08-26T13:43:07+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313302-01.jpgFamily sits on a couch in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on the couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and costumer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/heat-pump-systems/2026-08-18T09:35:27+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpguniSTOR plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heat-pump-sources-16x9-01.jpgInfographic showing air, water and ground as possible energy sources for heat pumpshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/r290-teaser.jpgHeat pump with R290 signethttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on the couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000127-01.jpgGirl lying in a beanbaghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000249-01.jpgheat pump outdoor unit in a garden with the owner sitting next to ithttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/air-to-water-heat-pump/2026-08-26T13:45:49+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000318-01.jpgaroTHERM plus air-water heat pump in front of a new buildinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heat-pump-air-function-21x9-01.jpgOperating principle of an air-to-water heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000361-01.jpgaroTHERM split air to water heat pump in front of an old buildinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311801-01.jpgEngineer standing in front of a heat pump in the cold chamber of a test centrehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-split-plus-placement-hp25-000016-01-square.jpgan air-to-water heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on a couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-people-75-subsidy-teaser-16x9.jpgMan with his son gardening next to a "Get up to 75% subsidy now" sign. Outdoor unit of a heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgaroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-01.jpgAir-to-water heat pump behind a woman and a doghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/air-to-air-heat-pump/2026-08-26T13:50:03+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000246-01.jpgA girl sitting in the garden next to a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility.jpgA boy sprays water onto the heat pump with the garden hosehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-r290xhare-header-1.jpgVaillant hare with natural refrigerant logo in front of an aroTHERM plus heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heat-pumps-function-21x9-air.jpgWorking principle of an air-to-air heat pump for heating buildingshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000425-01.jpgAir-to-air heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/climavair-pro-scenic.jpgclimaVAIR prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgAir-to-water heat pump behind a woman and a doghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000076-01.jpgclimaVAIR plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on a couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/climavair-multi-duct-scenic.jpgclimaVAIR multihttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/climavair-exclusive-scenic-4nl.jpgBedroom with an air-to-air heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/heat-pump-location/2026-08-25T12:33:30+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000174-1.jpgOutdoor heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313972-01.jpgHeat pump in front of a house wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp22-312086-01.jpgHeat pump system in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313364-01.jpgFather and child watch the plumber doing maintenance work.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgHeat pump standing on a solid base tfor noise cancellationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000415-01.jpgaroTHERM Split plus outside a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-0012.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000206-01.jpgCouple walking outside the house, heat pump located at the wall.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/geotherm-geocompact-16-9.jpggeoTHERM and geoCOMPACThttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/outdoor-location-heat-pump/2026-08-26T13:55:38+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp18-35639-02.jpgIndoor heat pump in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-s-anpassung-1-1.jpgaroTHERM prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313973-01.jpgOutdoor heat pump placed in front of house wall.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313310-1.jpgaroTHERM Splithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000053-01.jpgSolar panels on a roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000415-01.jpgA heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000156-01.jpgInstaller working on a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/indoor-heat-pump/2026-08-26T13:59:19+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp18-35639-02.jpgIndoor heat pump in the utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000035-01.jpgFather and son watering radishes in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/references18-45658-01.jpgNewly built terraced houseshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp14-32158-02.jpgGround-source heat pump in the utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp22-312012-01.jpgIndoor heat pump flexoTHERM exclusive with separate DHW storagehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-311359-01.jpgWater-source heat pump in the cellarhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/hot-water-heat-pump/2026-08-26T14:08:09+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000090-01.jpgwall-mounted ecoTEC plus gas condensing boiler in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000053-1.jpgRoof with photovoltaic moduleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313972-01.jpgHeat pump in front of a house wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/arostor-plus-scenic.jpgVaillant aroSTOR plus hot water heat pump in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage18-35828-01.jpgaroSTORhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgAdvice from Vaillant on heat pumps.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000077-01.jpga family is brushing their teeth in the bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hot-water-heat-pump-16x9-01.jpgGraphic representation of how a hot water heat pump workshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313292-1.jpgChild sitting on a heat pump counting moneyhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/flexible-space-function/2026-08-26T14:12:03+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000225-1.jpgThe aroTHERM plus close to a doorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313973-01.jpgHeat pump in front of a house wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000027-01.jpgDog sleeping infront of a heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/nofsf-with-wall-2.jpgheat pump protective zone without flexible space functionhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000146-01.jpgHeat pump in gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/no-fsf-freestanding-1.jpgheat pump protective zone without flexible space functionhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/fsf-freestanding-1.jpgheat pump protective zone with flexible space functionhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/fsf-with-wall-1.jpgheat pump protective zone with flexible space functionhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000001-2.jpgThe aroTHERM plus close to a windowhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/how-a-heat-pump-works/2026-08-26T14:20:07+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000002-01.jpgA heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000096-01.jpgDog lying on the cool floor in the househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000027-01.jpgDog sleeping in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-314165-01.jpgA heat pump during a snowy winter dayhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heat-pumps-function-21x9-01.jpgHow a heat pump workshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-9.jpgMan showing the installer something on his smartphonehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000192-01.jpgDad and daughter in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000126-01.jpgA girl is running through the sprinkler. A heat pump can be seen in the background.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/casing-for-a-heat-pump/2026-08-26T14:21:45+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000027-01.jpgDog sleeping infront of a heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313270-01.jpgHeat pump outdoor unti standing infront of a white wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000306-01.jpgMother and son in the garden in front of their heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgAir-to-water heat pump behind a woman and a doghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/r290-visual-teaser.jpgHeat pump with R290https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000386-01.jpgOld couple gardening with heat pump next in the backgroundhttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/underfloor-heating/2026-09-01T14:29:25+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heating-floor-snake-installation.jpgmeandering underfloor heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/adobestock-403109491.jpgMan laying underfloor heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/adobestock-401005223.jpgman wearing PPE installing underfloor heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-01.jpgVaillant heat pump aroTHERM plus in the garden and lady sitting on the floorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heating-floor-loop-installation.jpgBifilar underfloor heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/underfloor-heating-en-16x9-01.jpginfographic underfloor heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313299-01.jpgchild playing on the floorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heating-floor-modular-installation.jpgModular underfloor heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past a heat pumphttps://www.vaillant.com/en/advice/understand-technology/heat-pumps/our-new-heat-pump-range/2026-08-25T12:18:04+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-pro-header-1256x550.jpgaroTHERM plus heat pump with Flexible Space Functionhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-header-hp-range-plus-blende-21zu9-srgb-1jv.jpgNew heat pump rangehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-iq-connect-if-design-award-608x550-new.jpgintelligent electronic platform iQ connecthttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/2026-09-01T14:29:25+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/condensing-en-21x9-01.jpgInfographic showing how gas condensing boiler technology workshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0124-mkp-ret.jpgHydrogen boiler in a test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ecocompact-front-16-9.jpgVaillant ecoCOMPACT floor-standing gas boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/compact13-31510-02.jpgVaillant ecoCOMPACThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114197-01.jpgHybrid system with the aroTHERM plus heat pump and ecoTEC plus gas condensing boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc19-36358-02.jpgecoTEC introhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-ecotec-plus-0008.jpgVaillant ecoTEC plus wall hung gas boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-hung gas boiler ecoTEC plus in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past a heat pumphttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/hydrogen/2026-09-01T14:29:25+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-wasserstoff-srgb-1920x1080-final-en-turquoise.jpgTurquoise hydrogen graphichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc20-309584-02.jpgecoTEC exclusivehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-wasserstoff-srgb-1920x1080-final-en-grey.jpgGrey hydrogen graphichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-hung gas boiler ecoTEC plus in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-wasserstoff-srgb-1920x1080-final-en-blue.jpgBlue hydrogen graphichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0075-mkp-ret.jpgMan working on a Vaillant H2 ready boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-wasserstoff-srgb-1920x1080-final-en-green.jpgGreen hydrogen graphichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0124-mkp-ret.jpgHydrogen ready Vaillant boilers in a test labhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0010-mkp-ret.jpgInstaller on a test bench checking data from a testrun with hydrogenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in the kitchenhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/non-condensing-vs-condensing-technology/2026-08-31T16:36:00+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap foamhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/non-condensing-vs-condensing-technology-16x9-01.jpginfo graphic illustrating non-condensing vs. condensing technologyhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc20-309584-02.jpgecoTEC exclusivehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgBoiler counselling situation at home - couple sitting on a table in discussion with an installerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010.jpgHybrid heating systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc19-36358-02.jpgecoTEC introhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-hung gas boiler ecoTEC plus in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in a kitchenhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/loft-boiler-installation/2026-07-27T14:31:51+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313377-01.jpginstaller showing a homeowner a thermostat on a wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller connecting myVAILLANT connect to a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-b2c-kampagne2023-installer-cropped-1.pngInstaller balancing a tool on his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000399-01-uk.jpgCouple having breakfast while a dog looks at the tablehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc23-312680-01.jpgecoTEC purehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000131-01.jpgHeat Pump Modernisationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-hung gas boiler ecoTEC plus in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc12-3235-01.jpgecoTEC prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWomen cooking in the kitchenhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/boiler-flues/2026-08-27T13:14:38+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller connecting my VAILLANT connect to a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000009-01.jpgFamily in the kitchen with a dog and a boiler in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngThe Vaillant hare is holding a folding ruler in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000457-01.jpgBoiler fluehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000131-01.jpgHeat Pump Modernisationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWomen cooking in the kitchenhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/boiler-pressure-too-high/2026-07-28T14:48:28+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller connecting myVAILLANT connect to a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc21-311284-01.jpgInstaller working on a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000131-01.jpgHeat Pump Modernisationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45520-01.jpgInstaller in carhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/underfloor-heating-and-boilers/2026-08-27T13:17:03+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgWoman and girl in front of a boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313299-01.jpgChild playing on the floorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313295-01.jpgMan sitting on the floorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman in kitchen in front of boilerhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/repressurising-a-boiler/2026-07-28T14:52:05+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc22-311975-1.jpgMan changing settings on boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgHeater on the wall in living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller servicing a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000396-01.jpgInstaller and homeowner standing in front of boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45520-01.jpgInstaller in carhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/boiler-kettling/2026-07-27T14:31:51+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000395-01-uk.jpgKitchen with a Vaillant ecoTEC plus in ithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller servicing a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-8.jpgHeat Pump Modernisationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in kitchenhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/boiler-noise/2026-08-25T11:40:53+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator in living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000010-01.jpgWall-hung boiler in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngInstaller balancing a tool on his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000272-01-uk.jpgVaillant gas boiler hanging in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000147-01.jpgService partner visiting homeownerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc22-311975-01.jpgInstaller working at boiler for maintenance.https://www.vaillant.com/en/advice/understand-technology/gas-boilers/boiler-not-igniting/2026-08-27T13:27:53+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc21-110945-01.jpgThermostathttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgWoman and girl in front of a boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000111-01.jpgA Vaillant boiler is hanging in the basement of a house.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc19-108889-01.jpgElectricshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngThe Vaillant hare is holding a folding ruler in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000272-01-uk.jpgGas boiler on the wall in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc22-311975-01.jpgVaillant installer working at boiler for maintenance.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000396-01.jpgInstaller fixing an issue on the wall-hung boiler.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313654-1.jpgGas supplyhttps://www.vaillant.com/en/advice/understand-technology/gas-boilers/alternative-to-gas-boiler/2026-08-27T13:39:30+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000171-01.jpgA woman and child stand in front of a house with a heat pump, holding flowers in their hands.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45782-01.jpgHeating system with a heat pump and solar thermalhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-pro-s-m-black-and-white0017.jpgGrid of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0124-mkp-ret.jpgHydrogen boilers in the test chamberhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000053-01.jpgHouse with photovoltaic modules on the roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea17-34458-01.jpgWall-mounted infrared heating in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000340-01.jpgA child on a swing in the yard in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114197-01.jpgHybrid heating system with aroTHERM plus heat pump and ecoTEC plus gas boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbel19-36429-01.jpgElectric boiler in a ultility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgMiddle-aged couple in front of heat pump in front of househttps://www.vaillant.com/en/advice/understand-technology/electric-boilers/2026-08-20T10:10:49+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgWoman and girl in front of a boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/electric-boiler-decentral-2-16x9-01.jpgHeat for every residential unithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea19-308921-02.jpgelectronicVEDhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000151-01.jpgWoman washing dishes in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbel19-36429-02.jpgeloBLOCKhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212530-01.jpgInstaller service a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar10-3167-01.jpgSolar panels on a roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea19-308975-02.jpgelectronicVED exclusivehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/electric-boiler-central-3-16x9-01.jpgHeat for every residential unithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000227-01.jpgInstantaneous water heater in bathroomhttps://www.vaillant.com/en/advice/understand-technology/electric-boilers/instantaneous-water-heaters/2026-08-31T16:23:24+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000009-01.jpgFamily with dog in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000151-01.jpgWoman in front of electric boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/unistor-vih-rw-200-scenic.jpgHot water storage in front of wall in utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea11-3393-02.jpgminiVED hanging under a sink in the guest toilethttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/flow-type-heater-en-16x9-01.jpgFunctionality of instantaneous water heatershttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea19-308975-02.jpgelectronicVED plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000227-01.jpgVaillant instantaneous water heater electronicVED in bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000421-01.jpgeloSTOR plus Vaillanthttps://www.vaillant.com/en/advice/understand-technology/heating-controls/2026-08-24T10:55:57+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control22-311993-01.jpgWoman using the Vaillant thermostat sensoROOMhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/reference-de-alltusried-pictureoutside1-362435-format-flex-height.jpgIlluminated house at nighthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan holding the system control sensoCOMFORT in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000149-01.jpgMan controls his heating system via apphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORT system control in the living areahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-1.jpgSystem control sensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/myvaillant-connect-scenic.jpgmyVAILLANT connecthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/gettyimages-1178524769.jpgHouse at dusk with illuminated extensionhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000019-01.jpgCouple sitting on a sofa looking at a smartphonehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control22-311979-01.jpgsensoROOM purehttps://www.vaillant.com/en/advice/understand-technology/heating-controls/resetting-the-language-on-sensohome-or-sensocomfort/2026-07-28T14:59:52+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-iqconnect-b2b-image-systemupdate.jpgA smartphone in your hand that displays the temperaturehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORT control on a wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000018-01.jpgCouple sitting on couch looking at a phonehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control22-312225-01.jpgVaillant control unit mounted on kitchen wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212390-01.jpgA plumber performs boiler maintenancehttps://www.vaillant.com/en/advice/understand-technology/heating-controls/smart-energymanagement/2026-07-27T14:31:51+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/referenz-de-2.jpgOne family house in the darkhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator with Vaillant thermostat in living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000009-01.jpgFamily with dog in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/pv-smart-energymanagement-16x9.jpgInfographic: PV operating principlehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-sensocomfort-myvaillant.jpgSmart energy management on phonehttps://www.vaillant.com/en/advice/understand-technology/heating-controls/smart-home/2026-09-01T14:29:25+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000053-01.jpgPV panels on the roof of a brick househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control21-308830-02.jpgHand using smart phone to controle his heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000288-01.jpgVaillant heat pump in the garden visible through the windowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control22-312037-01.jpgWoman adjusting her smart system on the phone.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgMiddle-aged couple in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman is cooking in the kitchen - in the background a Vaillant ecoTEC plus boilerhttps://www.vaillant.com/en/advice/understand-technology/air-conditioning/2026-09-01T10:00:14+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000065-01.jpgAirconditioning climaVAIR plus in teenager room on wall under ceilinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/climavair-pro-scenic.jpgclimaVAIR prohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgGirl counting money on bed.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000038-1.jpgAirconditioning climaVAIR multi console in living room on wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000076-01.jpgclimaVAIR plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFather and children relaxing on couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/air-conditioning-16x9-01.jpgoperating principle of an air conditioning.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000053-1.jpgHouse with solar on roof.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation25-000044-01.jpgDecentral ventilation system in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/climavair-multi-duct-scenic.jpgclimaVAIR multihttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and end customer on a consultationhttps://www.vaillant.com/en/advice/understand-technology/fan-coils/2026-09-01T16:41:41+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000035-01.jpgFather and son watering radishes in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/fancoil25-000220-01.jpgCouple sitting on the sofa looking at a smartphonehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/fancoil25-000224-01.jpgConsole fan coil aroVAIR plus mounted on the wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/arovair-plus-slim-console-scenic.jpgaroVAIR plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding 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shophttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://www.vaillant.com/en/advice/understand-technology/solar-thermal-technology/2026-08-25T11:21:33+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility-1.jpgHeat pump standing in the front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000046-01.jpgA father and a daughter playing with water in a sinkhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar12-3473-01.jpgVacuum tube collectors on a roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000022-01.jpgGirl sitting in a room looking out the windowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/0020277139-01-technologieinfo-solarthermie-1.jpgA Vaillant solar thermal collector on a roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar09-3615-01.jpgFlat plate collectors on a roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-r290xhare-header.jpgHare presents R290 refrigeranthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000147-01.jpgCustomer welcomes an installer at the 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rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/unistor-vih-rw-200-scenic.jpgA uniSTOR cylinder in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage23-912843-01.jpgBuffer cylinderhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgA father and a daughter playing with a sinkhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000286-01.jpgFamily cooking in the kitchenhttps://www.vaillant.com/en/advice/understand-technology/cylinders/domestic-hot-water-cylinder/2026-09-02T08:56:22+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpguniSTOR plus in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/domestic-hot-water-cylinders-1x1.jpgSchematic representation of a hot water cylinderhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/unistor-plus-vih-r-m-scenic.jpguniSTOR exclusive VIH R/6 Mhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000020-01.jpgCouple relaxing on a couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp22-312029-01.jpguniSTOR exclusive in a utlity roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/compact09-3592-02.jpgecoCOMPACT in a bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter enjoy constantly warm water in the bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000286-01.jpgA family cutting a cake in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/0020277139-01-technologieinfo-solarthermie-1.jpgsolar panels on a roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000112-01.jpgWomen and child washing their handshttps://www.vaillant.com/en/advice/understand-technology/cylinders/buffer-cylinder/2026-08-14T08:25:59+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000286-01.jpgA family cutting a cake in their kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter are standing together at the sink playing with the waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114195-01.jpgaroTHERM plus; ecoTEC plus; uniSTOR plus; Buffer VP45/2 RW; sensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage19-109107-02.jpgVaillant buffer cylinderhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past your heat pumphttps://www.vaillant.com/en/advice/understand-technology/hybrid-heating-systems/2026-09-02T09:01:15+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap foamhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpguniSTOR plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgCouple in a consultation with an installerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bivalent-alternative-operation-16x9-arotherm-anthracite.jpgGraph showing tariff-controlled operationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/tariff-controlled-operation-trivalent-16x9-arotherm-anthracite.jpgGraph showing tariff-controlled operationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000070-01.jpgInstaller and man in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010-extended.jpgHybrid heating system with the aroTHERM plus heat pump and the ecoTEC plus gas condensing boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-hung gas boiler ecoTEC plus in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator17-34297-02.jpgRadiator in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114136-01.jpgHybrid systems with hybrid connection sethttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bivalent-parallel-operation-16x9-arotherm-anthracite.jpgGraph showing a bivalent-parallel operationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past your heat pumphttps://www.vaillant.com/en/advice/understand-technology/ventilation/2026-09-02T09:03:19+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation14-31997-01.jpgrecoVAIRhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation16-44037-01.jpgrecoVAIR VAR 60https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation-decentral-en-16x9-white-space.jpgDecentral ventilation system infographichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation25-000044-01.jpgWall-hung recoVAIR 60 in living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000038-1.jpgFather and daugther using an air conditioning unithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on the couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation-central-en-16x9-white-space.jpgCentral ventilation infographichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000164-01.jpgHeat pump in front of garden hedgehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past your heat pumphttps://www.vaillant.com/en/advice/understand-technology/photovoltaics/2026-09-02T09:04:10+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/infografik-pv-system.jpgThe system house with PVhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-314253-01.jpgOptimising the consumption on a mobile phonehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpguniSTOR plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000053-01.jpgRoof with PV moduleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar10-3174-01.jpgauroTHERM classichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar23-110184-01.jpgBattery storage by SolarEdgehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar23-112471-01.jpgWallbox by SolarEdgehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000341-01.jpgChildren on a swing with a heat pump in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-r290xhare-header.jpgVaillant Hare is standing in front of a heat pump in the garden bearing the R290 logohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45586-01.jpgHouse with PV panels on the roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-3d-chrome-logo-1.jpgLorem ipsumhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/photovoltaic-cell-16x9-2.jpgSet up of a PV modulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman is cooking in the kitchen - in the background a Vaillant ecoTEC plus boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past your heat pumphttps://www.vaillant.com/en/advice/discover-solutions-for-your-modernisation/modernise-with-a-heat-pump/2026-08-25T11:06:44+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-m-0011.jpgAir-source heat pump aroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar10-3174-01.jpgauroTHERM classichttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-people-subsidy-buynow-teaser-16x9.jpgChild on a swing in the garden in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000051-01.jpgsensoCOMFORThttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45537-01.jpgauroPOWERhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000417-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310426-01.jpguniTOWER plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-52.jpgHeat pump modernisationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on a couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-hare-r290-teaser-16x9.jpgVaillant hare with R290 signethttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-geocompact-exclusive-silent-608x550.jpgCouple lying in bedhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000414-01.jpgInstaller who maintains heat pumpshttps://www.vaillant.com/en/advice/discover-solutions-for-your-modernisation/replace-your-gas-boiler/2026-09-01T14:29:25+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap foamhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/d1-frontyard-arothermplus-b-4677.jpgDark Vaillant aroTHERM plus heat pump in the front garden of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/efficiency-infographic-b2c.jpgInfographic showing the efficiency of a new gas boiler compared to an old onehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc20-309584-02.jpgecoTEC exclusivehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/old-geyser-front-16-9.jpgInnovation from Vaillant: the first closed gas-fired bath heater from 1894https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc23-312680-01.jpgecoTEC purehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-hung gas boiler ecoTEC plus in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010.jpghybrid heating systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc19-36358-02.jpgecoTEC introhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgcouple cooking, ecoTEC plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-ecotec-plus-0008.jpgWall-mounted ecoTEC plus gas boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc12-3235-01.jpgecoTEC prohttps://www.vaillant.com/en/advice/discover-solutions-for-your-modernisation/switch-from-oil-to-heat-pump/2026-08-25T10:58:40+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000035-01.jpgSon and father gardening in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000225-01.jpgVaillant heat pump in a garden.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-people-subsidy-teaser-4x3.jpgCouple sitting on the terrace for meal a heat pump is in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313326-01.jpgProfessional installer consulting with a customer about heat pump solutions.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313343-01.jpgInstaller installing a Vaillant heat pump.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000027-01.jpgDog sleeping in front of a heta pumohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp19-309237-02.jpgMid- century home with a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000156-01.jpgInstaller works on a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313351-01.jpgMen carrying heating system.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000387-01.jpgPeople handshaking in front of a heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000416-01.jpgVaillant heat pump in a gardenhttps://www.vaillant.com/en/advice/discover-solutions-for-your-modernisation/2026-07-28T15:12:01+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114146-01.jpgHeating solutions for your home from Vaillanthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000206-01.jpgHeat pump in front of new house; couple is going for a walkhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgwomen cooking, ecoTEC plus in the backgroundhttps://www.vaillant.com/en/advice/rely-on-us-for-your-new-build/2026-08-27T15:32:11+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter play with soap foam in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/d1-frontyard-arothermplus-b-4677.jpgHeat pump standing in front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/key-visual-arotherm-plus-4-3.jpgHeat pump outdoor unit in a sunsethttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/new-build-system-components-16x9-01.jpgThe ideal heating system for a new homehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000089-01.jpgChildren running through the living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313295-01.jpgMan sitting on the floorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000171-01.jpgMother and daughter in front of their heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0124-mkp-ret.jpgHydrogen boiler in a test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310548-01.jpgCouple sitting on a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-split-placement.jpgFather and son watering radishes in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://www.vaillant.com/en/advice/help-center/2026-08-11T10:44:43+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator with Vaillant thermostathttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313267-1.jpgWoman sitting on her sofa, enjoying the peace and quiet at the perfect temperaturehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000092-01.jpgVaillant wall-hanging gas boiler in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-1.jpgGirl lying on bed holding coin in the airhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313364-01.jpgHeat pump being repairedhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309422-01.jpginstaller explains heating systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing together on a sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000396-01.jpgInstaller pointing on boiler explaining to a customerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000127-01.jpgChild relaxing on a bean baghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310423-01.jpgMan setting temperature on his phonehttps://www.vaillant.com/en/advice/help-center/surface-heating/2026-07-27T14:57:06+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000102-01.jpgFamily playing in the living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-m-0011.jpgVaillant heat pump aroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000089-01.jpgChildren running through the living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/wall-heating-16x9-01.jpgSurface heating vs. radiators*https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000036-1.jpgFamily relaxing on the couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://www.vaillant.com/en/advice/help-center/when-to-switch-off-my-heating/2026-08-12T15:01:21+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-split-sensocomfort.jpgperson adjusting the settings on a thermostat which is on the wall.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313654-01.jpgWoman setting her heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/prof11-4493-00.jpgAn installer with a suitcase in front of the customer's househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control22-311997-01.jpgWoman turning a thermostat on the wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgGirl lying on bed holding up a coinhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010.jpgHybrid heating system with a heat pump and a gas boilerhttps://www.vaillant.com/en/advice/help-center/wall-heating/2026-07-27T14:31:51+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000102-01.jpgFamily playing in the living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000029-01.jpgCouple relaxing together on a sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/wall-heating-16x9-01.jpgInfographic explaining how wall heating workshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgwall-hung gas condensing boiler in a kitchenhttps://www.vaillant.com/en/advice/help-center/ceiling-heating/2026-08-12T15:02:41+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000102-01.jpgFamily playing in the living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000028-01.jpgFamily enjoying time together on the sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000280-01.jpgA girl is playing in front of a Vaillant aroTHERM plus heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/gettyimages-1178524769.jpgHeat for every residential unithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ceiling-heating-16x9-01.jpgWe see a graphic of an air-source heat pump connected to a house. The house is heated by ceiling heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-hung gas condensing boiler in the kitchenhttps://www.vaillant.com/en/advice/help-center/district-heating/2026-07-27T14:31:51+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/gettyimages-1320229181-01.jpgResidential area from abovehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310517-01.jpgInstaller connecting household to district heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000001-1.jpgHeat pump in the front gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/district-heating-16x9-01.jpgInfographic showing how district heating workshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/r290-visual-teaser.jpgVaillant heat pump with r290 signethttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgGirl lying on bed holding up a coinhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://www.vaillant.com/en/advice/help-center/outdoor-sensor-heating/2026-07-27T14:31:51+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daugther playing with soap foam in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan holding a control unit in his handshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313267-1.jpgWoman sitting in her living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-914152-01.jpgVaillant outdoor sensorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/gettyimages-1178524769.jpgMulti-family househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-3543-4c-01.jpgprofessional appointmenthttps://www.vaillant.com/en/advice/help-center/installation-of-underfloor-heating/2026-08-25T10:53:40+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap foam in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heating-floor-milling-system-focus.jpgunderfloor heating milling systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heating-floor-snake-installation.jpgunderfloor heating in snake patternhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000089-01.jpgchildren playinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heating-floor-wet-system-focus.jpgunderfloor heating wet systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313364-01.jpgFather and daughter watch installer servicing a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgSolar system panels on a house roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgAir-to-water heat pump behind a woman and a doghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heating-floor-loop-installation.jpgunderfloor heating in the loop installationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily relaxing on the couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/heating-floor-dry-system-focus.jpgunderfloor heating dry systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://www.vaillant.com/en/advice/help-center/how-to-bleed-a-radiator/2026-08-25T09:40:00+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bleed-heating-system-16x9-07.jpgClosing the radiator valvehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bleed-heating-system-16x9-02.jpgPreperations for bleeding a radiatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator with Vaillant thermostathttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bleed-heating-system-16x9-03.jpgSwitching off your heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgGirl lying on bed holding up a coinhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bleed-heating-system-16x9-05.jpgUsing radiator keyhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bleed-heating-system-16x9-04.jpgRadiators cooling downhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bleed-heating-system-16x9-06.jpgOpening the radiator valvehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bleed-heating-system-16x9-08.jpgTurning heating system onhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past a heat pumphttps://www.vaillant.com/en/advice/help-center/boiler-broken-down/2026-08-12T15:10:24+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000395-01-uk.jpgBoiler in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc21-311284-01.jpgInstaller opening a gas boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator17-34298-02.jpgRadiator in a hallwayhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45520-01.jpgInstaller in 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Vaillant thermostat in living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller servicing a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-314191-01.jpgInstaller explaining myVAILLANT app to woman in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000396-01.jpgInstaller pointing on boiler explaining to a customerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45520-01.jpgInstaller in carhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman is cooking in the kitchen - in the background a Vaillant ecoTEC plus 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in carhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman is cooking in the kitchen - in the background a Vaillant ecoTEC plus boilerhttps://www.vaillant.com/en/advice/help-center/f75-fault-code/2026-08-25T10:16:52+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator with Vaillant thermostat in living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller servicing a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-314191-01.jpgInstaller explaining myVaillant app to a womanhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000396-01.jpgInstaller pointing on boiler explaining to a 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sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000036-1.jpgFamily romping on sofahttps://www.vaillant.com/en/advice/help-center/energy-consumption-vs-energy-need/2026-08-25T10:27:31+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000009-01.jpgFamily enjoying their home.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000230-01.jpggirl is playing in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/energy-consumption-piechart-16x9-01.jpgEnergy consumption diagram 2022 in Europehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000121-01.jpgLady washing her face.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgOutside view on househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgWoman lying on bed holding coinhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgTwo men sitting on a table with a heat pump behind themhttps://www.vaillant.com/en/advice/help-center/hydraulic-balancing/2026-08-25T10:38:44+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hydraulic-balancing-16x9-01.jpgInfographic showing a heating system with and without balanced radiatorshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator on living room wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309441-01.jpgProfessional installer balancing a radiatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309444-01.jpgMan turning the thermostat on a radiatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller maintaining a gas boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309481-01.jpgBalancing radiatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc20-309465-01.jpgInstaller balancing radiatorshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310423-01.jpgMan using a Vaillant controlhttps://www.vaillant.com/en/advice/help-center/energy-saving-tips/2026-08-25T10:41:17+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45560-01.jpgCraftsmen and the homeowner inspect the renovated roof.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan holding a Vaillant control unit in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/gettyimages-1464739141.jpgWoman standing in the living room in front of the windows looking outhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309477-01.jpgWoman sitting on sofa next to radiator looking at mobile phonehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309481-01.jpgInstaller performs hydraulic balancinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-8.jpgInstaller and homeowner kneeling in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000360-01.jpgCouple sitting on the sofa with the patio door openhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgGirl lying on bed holding coin in the airhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000112-01.jpgWoman and child holding their hands under running waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310423-01.jpgMan using a smart controlhttps://www.vaillant.com/en/advice/help-center/what-is-an-immersion-heater-everything-you-need-to-know/2026-08-25T10:43:10+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgWoman and girl in front of a boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000046-01.jpgKid playing with water at a basin.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller servicing a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000151-01.jpgWoman in kitchen in front of boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/fuctionality-immersion-heater-01-1x1.jpgGraphic of an immersion heaterhttps://www.vaillant.com/en/advice/help-center/finding-serial-number-on-myvaillant-connect/2026-08-25T10:44:35+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114202-01.jpgVaillant heat pump systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313323-01.jpgInstaller shakes hands with homeowner in front of heat pump in gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-control-schemes-myvaillantconnect-srgb-1920x1080-01.jpgInfographic connectivityhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000449-01.jpgTaking a look at the internet gateway beneath a Vaillant boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000206-01.jpgCouple going for a walkhttps://www.vaillant.com/en/advice/help-center/getting-ready-for-winter-8-steps-to-be-prepared-for-winter/2026-08-12T16:19:56+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313376-01.jpgA man is in the foreground with his hand on a heating control which is mounted on a blue wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp22-311938-01.jpgVaillant Engineer servicing an ecoTEC plus boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309444-01.jpgInstaller kneeling on the groundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller servicing a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-314165-01.jpgHouse outdoor view in winter.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000158-01.jpgwindowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgWoman lying on bed holding coinhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000156-01.jpgHeat pump replacementhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller advises homeowner at tablehttps://www.vaillant.com/en/advice/help-center/energy-source/2026-08-25T10:45:39+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45613-01.jpgA house stands behind large sunflowers. Solar panels are installed on the roof to utilise solar energy for electricity.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-iqconnect-b2b-image-systemupdate.jpgA smartphone in your hand that displays the temperaturehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hybrid22-311969-01.jpgA Vaillant hybrid system with gas heating and thermal store.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgA plumber and a customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-mounted gas water heater in the kitchenhttps://www.vaillant.com/en/advice/help-center/hot-water-not-working/2026-08-25T10:47:44+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgWoman and girl in front of a boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan looking at a controlhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000092-01.jpgBoiler on kitchen wall with sink in foregroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000161-01.jpgMan seen from behind holding out hand to feel the water temperature of the shower water flow.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212530-01.jpgInstaller service a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000396-01.jpgAn installer explaining a boiler to a manhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45520-01.jpgInstaller in carhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313266-01.jpgCustomers calling customer servicehttps://www.vaillant.com/en/advice/help-center/low-water-pressure-in-a-gas-boiler/2026-08-18T09:17:09+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller servicing a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000092-01.jpgA boiler in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-8.jpgInstaller and homeowner kneeling in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc21-311284-01.jpgInstaller screws on boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45520-01.jpgInstaller in carhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313266-01.jpgCustomers calling customer servicehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman in a kitchen in front of a boilerhttps://www.vaillant.com/en/advice/help-center/boiler-gives-hot-water-but-no-heating/2026-08-26T13:03:21+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgWoman and girl in front of a boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000092-01.jpgBoiler on kitchen wall with sink in foregroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000161-01.jpgMan seen from behind holding out hand to feel the water temperature of the shower water flow.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45520-01.jpgInstaller in carhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman is cooking in the kitchen - in the background a Vaillant ecoTEC plus boilerhttps://www.vaillant.com/en/advice/help-center/boiler-settings/2026-08-25T10:49:48+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309441-01.jpgA man working on a radiatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgAn installer working on a heating devicehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000162-01.jpgA smiling woman petting a dog on a bedhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/gettyimages-1178524769.jpgA house at eveninghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000396-01.jpgAn installer explaining a boiler to a customerhttps://www.vaillant.com/en/advice/help-center/vaillant-optimum/2026-08-11T12:24:06+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310508-01.jpgInstallers talking to homeowners in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control22-312225-01.jpgVaillant control unit in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-3d-chrome-logo-1.jpg...https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people15-42997-01.jpgMan looking at mobile phone in front of boilerhttps://www.vaillant.com/en/advice/help-center/heat-pump-sizing-what-size-heat-pump-do-i-need/2026-08-18T09:05:50+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp24-313972-01.jpgHeat pump in front of househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000030-01.jpgHeat pump in gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000342-01.jpgaroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000156-01.jpgInstaller works on the heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000249-01.jpgMan reading book in garden in front of a heat pumphttps://www.vaillant.com/en/advice/help-center/what-heating-for-a-small-apartment/2026-08-26T13:03:21+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000097-01.jpgA couple smiling in front of a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000151-01.jpgWoman in a kitchen in front of an electric heaterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313302-01.jpgA family on a sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgA woman with a dog in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngThe Vaillant rabbit is holding a folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller advises homeowner at tablehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313267-01.jpgWoman in a flat on a sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in kitchen in front of boilerhttps://www.vaillant.com/en/advice/help-center/bathroom-heating-and-bathroom-radiator/2026-08-25T10:51:33+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000212-01.jpgFather and daughter in the bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000046-01.jpgFather and daughter in the bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000264-01.jpgCouple washing dishes in front of boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313307-01.jpgBathroom with a traditional radiatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000429-01.jpgMother drying her child with a towel in the bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator17-34297-02.jpgRadiator on living room wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFamily lying together on the sofa and relaxinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000329-01.jpgA Vaillant expert on the 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boilerhttps://www.vaillant.com/en/advice/glossary/2026-08-12T09:17:16+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-3d-chrome-logo-1.jpgLogo Vaillanthttps://www.vaillant.com/en/advice/glossary/return-temperature/2026-08-11T12:22:37+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309441-01.jpgInstaller performs hydraulic balancinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/bleed-heating-system-16x9-04.jpgRecommendation how to bleed a radiatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310423-01.jpgMan setting temperature on his phonehttps://www.vaillant.com/en/advice/glossary/air-bleeder-valve/2026-06-29T12:57:48+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33887-02.jpgRadiator in 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househttps://www.vaillant.com/en/advice/glossary/auxiliary-heater-for-heat-pumps/2026-07-27T15:25:02+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-52.jpgCouple sitting in the garden with a heat pump in the backgroundhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp20-309645-02.jpgVaillant heat pumps in front of a modern buildinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hybrid22-311956-01.jpgWith a Vaillant heater, you can enjoy a consistently comfortable indoor climatehttps://www.vaillant.com/en/advice/glossary/boiler-pressure-gauge/2026-08-12T09:26:38+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000111-01.jpgecoTEC Boiler in der Küchehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgWoman sitting with her dog at the windowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-52.jpgCouple sitting in the garden with a heat pump in the backgroundhttps://www.vaillant.com/en/advice/glossary/buffer-tank/2026-08-18T13:31:31+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arostor-plus-perfect-integration-1.jpgVaillant buffer cylinders in storage roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter are standing together at the sink playing with the waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-ecotec-plus-feetcover-0010.jpgHybrid heating system with a heat pump in a utility roomhttps://www.vaillant.com/en/advice/glossary/central-heating/2026-08-12T09:28:42+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33887-02.jpgRadiator in bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing22-111601-01.jpgHeating system componentshttps://www.vaillant.com/en/advice/glossary/circulation-pump/2026-08-12T09:29:11+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpgVaillant storage in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter are standing together at the sink playing with the waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-00603-01.jpgChild taking a showerhttps://www.vaillant.com/en/advice/glossary/circulation-pipe/2026-08-12T09:29:36+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpgVaillant storage in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter are standing together at the sink playing with the waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/still16-43813-01.jpgKitchen tap with fresh waterhttps://www.vaillant.com/en/advice/glossary/cogeneration/2026-08-12T14:01:35+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgRadiator in a living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/still15-42629-01.jpgGlobe standing on the deskhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgconsulting situation and heat pump in a gardenhttps://www.vaillant.com/en/advice/glossary/condensate-pipe/2026-08-12T14:01:21+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc12-2203-01.jpgThe condensate pipe is an essential, often overlooked, component of any high-efficiency condensing boiler or furnacehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgBoiler counselling situation at home - couple sitting on a table in discussion with an installerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in the kitchen, with a gas boiler visible in the background.https://www.vaillant.com/en/advice/glossary/condensing-combination-boiler/2026-08-12T14:02:05+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgBoiler counselling situation at home - couple sitting on a table in discussion with an installerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgCondensing boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in the kitchen, with a gas boiler visible in the background.https://www.vaillant.com/en/advice/glossary/defrost-cycle-of-a-heat-pump/2026-08-12T14:04:02+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311804-3.jpgVaillant heat pump covered in snowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000075-01.jpgFather and two children relaxing on a couch, glass door in the background provides a look onto the terracehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgconsulting situation and heat pump in a gardenhttps://www.vaillant.com/en/advice/glossary/dew-point/2026-08-12T14:04:50+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc16-33809-01.jpgCondensing boiler in kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgBoiler counselling situation at home - couple sitting on a table in discussion with an installerhttps://www.vaillant.com/en/advice/glossary/ebus/2026-08-12T14:05:27+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan holding the system control sensoCOMFORT in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114203-01-extended.jpgHeating system with different componentshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000379-01.jpgAn installer servicing a heat pumphttps://www.vaillant.com/en/advice/glossary/energy-performance-certificate/2026-08-12T14:06:09+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000009-01.jpgDog steals toast from a kitchenettehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgGirl lying on bed holding up a coinhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45583-01.jpgAn energy performance certificate provides information on the energy efficiency and energy profile of buildingshttps://www.vaillant.com/en/advice/glossary/energy-efficiency/2026-06-29T12:57:48+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000009-01.jpgDog steals toast from a kitchenettehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-efficiency-1256x550.jpgSave money with efficient heating solutionshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000067-01.jpgGirl lying on bed holding up a coinhttps://www.vaillant.com/en/advice/glossary/energy-label/2026-08-14T11:46:28+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/erp-startpage-16-9.jpgErP Label generatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgWoman sitting with her dog in front of a windowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walks past a heat pumphttps://www.vaillant.com/en/advice/glossary/evacuated-tube-collector/2026-06-29T12:57:48+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgHouse with photovoltaic modules on the roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar25-314514-01-bis.jpgSolar collectors at the cottagehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000415-01.jpgHeap pump in front of a wallhttps://www.vaillant.com/en/advice/glossary/expansion-vessel/2026-06-29T12:57:48+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000020-01.jpgCouple relaxing on a couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter enjoy constantly warm water in the bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant-3d-chrome-logo-1.jpgVaillant log on green backgroundhttps://www.vaillant.com/en/advice/glossary/flat-plate-collector/2026-06-29T12:57:48+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000415-1.jpgHeat pump standing in front of a wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgHouse with photovoltaic modules on the roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar14-32031-01.jpgSolar thermal collectorshttps://www.vaillant.com/en/advice/glossary/flue-gas-heat-recovery/2026-08-12T14:26:10+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000055-01.jpgA woman is standing at the kitchen tap next to a Vaillant ecoTEC plus appliancehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in the kitchen, with a gas boiler visible in the background.https://www.vaillant.com/en/advice/glossary/fuel-cell/2026-08-12T14:26:50+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/gettyimages-1344923073.jpgEcological footstep due to climate friendly heating systemshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0124-mkp-ret.jpgHydrogen boiler in a test environmenthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000056-01.jpgWall-mounted gas boiler in a kitchenhttps://www.vaillant.com/en/advice/glossary/furnace/2026-08-12T14:27:17+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/placeholder-website-pdp-scene-image.jpgVaillant expert for heating systemshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgBoiler counselling situation at home - couple sitting on a table in discussion with an installerhttps://www.vaillant.com/en/advice/glossary/geothermal-collectors/2026-08-12T14:27:53+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-flexotherm-indoor-installation-608x550.jpgGround source heat pump flexoTHERMhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-311359-01.jpgGround-source heat pump in a utiliy roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walking past a heat pumphttps://www.vaillant.com/en/advice/glossary/geothermal-energy/2026-08-12T14:28:24+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-header-geotherm-extended-fin.jpggeoTHERM standing in roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp14-32158-02.jpgWater-source heat pump in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-311359-01.jpgGround-source heat pump in a utility roomhttps://www.vaillant.com/en/advice/glossary/geothermal-probe/2026-08-12T14:28:58+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp14-32158-02.jpgA water-source heat pump in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/geotherm-geocompact-16-9.jpgVaillant geoTHERM/geoCOMPACT geothermal heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-311359-01.jpgA ground-source heat pump in a utility roomhttps://www.vaillant.com/en/advice/glossary/gross-calorific-value/2026-08-12T14:29:21+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/still15-42629-01.jpgefficient heating protect the climatehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgBoiler counselling situation at home - couple sitting on a table in discussion with an installerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in the kitchen, with a gas boiler visible in the backgroundhttps://www.vaillant.com/en/advice/glossary/heat-exchanger/2026-08-12T14:29:46+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000038-1.jpgAirconditioning climaVAIR multi console in living room on wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/scenic-exhaust-fan-radial-bathroom.jpgHeat exchanger in bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman cooking in the kitchen, with a gas boiler visible in the backgroundhttps://www.vaillant.com/en/advice/glossary/heat-loss-calculation/2026-08-12T14:30:28+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-header-arotherm-pro-l-icv2-6dh-extended.jpgaroTHERM pro heat pump fits everywherehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/r290-visual-1.jpgVaillant heat pump with R290 leafhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313323-01.jpgInstaller and homeowner in front of a heat pumphttps://www.vaillant.com/en/advice/glossary/heat-recovery/2026-08-12T14:31:15+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgmother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-hp-range-motiv-7-0002-2dh-4-2.jpgHeat recovery with a heat pumphttps://www.vaillant.com/en/advice/glossary/heating-load/2026-08-12T14:31:55+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-10.08.21-3655.jpgsensoHOME controller and man sitting on a couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000089-01.jpgChildren running through the living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp14-32158-02.jpgA heat pump in a utility roomhttps://www.vaillant.com/en/advice/glossary/heating-system-control/2026-08-12T14:32:49+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000167-01.jpgA man is adjusting the settings on his heating system controller.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan holding the system control sensoCOMFORT in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309477-01.jpgWoman sits on sofa using a smartphone. Sofa is in front of a window and beside a radiatorhttps://www.vaillant.com/en/advice/glossary/high-efficiency-pump/2026-08-12T14:33:25+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-0498-4c-01.jpgFamily is cooking an need fresh circulated waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman standing in a kitchen in front of a boilerhttps://www.vaillant.com/en/advice/glossary/hot-water-tank/2026-08-25T16:15:04+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aurostor-plus-scenic.jpgBuffer cylinder ensure hot water every timehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter enjoy constantly warm water in the bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-flexotherm-storage-horizontal.jpgDifferent versions of hot water tankshttps://www.vaillant.com/en/advice/glossary/hot-water-storage-safety-group/2026-08-12T14:35:11+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpgCylinder in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter enjoy constantly warm water in the bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage25-314453-01.jpgHot water storage in househttps://www.vaillant.com/en/advice/glossary/hydronic-heating/2026-08-12T14:36:04+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and daughter playing with soap bubbleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-split-cooling.jpgA family is lying on the sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000227-01.jpgVaillant instantaneous water heater electronicVED in bathroomhttps://www.vaillant.com/en/advice/glossary/indoor-unit-of-a-heat-pump/2026-08-12T14:37:19+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-flexotherm-indoor-installation-608x550.jpgIndoor unit of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgConsulting situation and heat pump in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgA couple in front of their house with a heat pumphttps://www.vaillant.com/en/advice/glossary/layered-charge-storage-system/2026-08-12T14:37:51+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114214-02.jpgHot water storage tanks provide hot water for an entire familyhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing20-109551-02.jpgRange of Buffer cylindershttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter enjoy constantly warm water in the bathroomhttps://www.vaillant.com/en/advice/glossary/magnetic-filter/2026-08-11T11:46:31+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-52.jpgHeat pump modernisationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212390-01.jpgInstaller is doing a boiler servicehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA couple cooking in the kitchen with an ecoTEC plus behind themhttps://www.vaillant.com/en/advice/glossary/net-calorific-value/2026-07-27T15:49:13+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/placeholder-website-pdp-scene-image.jpgVaillant logohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgBoiler counseilling situation at home - couple sitting on a table in discussion with an installerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA couple cooking in the kitchen with an ecoTEC plus behind themhttps://www.vaillant.com/en/advice/glossary/net-zero-energy-building/2026-08-12T14:38:46+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-52.jpgCouple sitting in front of a heat pump and reading a newspaperhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-01.jpgWoman sitting with her dog at the window with heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-header-arotherm-perform-icv2-5a-dh-extended.jpgmodern building with aroTHERM perform in the fronthttps://www.vaillant.com/en/advice/glossary/non-return-valve/2026-08-12T14:39:15+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212271-01.jpgAn installer checks the functionality of the valves.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgAir-to-water heat pump behind a woman and a doghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter enjoy constantly warm water in the bathroomhttps://www.vaillant.com/en/advice/glossary/outdoor-unit-of-a-heat-pump/2026-08-12T14:39:52+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-pro-header-1256x550.jpgHeat pump in front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-52.jpgCouple sitting in front of a heat pump and reading a newspaperhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgConsulting situation and heat pump in a gardenhttps://www.vaillant.com/en/advice/glossary/photovoltaic-system/2026-08-12T14:40:23+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgHeat pump in front of brick househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar12-3457-01.jpgDirect current is generated in photovoltaik moduleshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple walking past heat pumphttps://www.vaillant.com/en/advice/glossary/plate-heat-exchanger/2026-08-12T14:40:40+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/b2b-loyaltypage-header.jpgAn installer leaning on his Vaillant toolboxhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller consulting cumstomer in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000038-01.jpgA dad and his daughter in front of an air conditioninghttps://www.vaillant.com/en/advice/glossary/power-flushing/2026-08-12T14:41:37+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313278-01.jpgChild playing football in the garden infront of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000008-01-uk.jpgMother and child playing with waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212271-1.jpgInstaller working on a boilerhttps://www.vaillant.com/en/advice/glossary/pp-pipe/2026-07-27T15:29:12+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother and child playing with waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people14-41985-01.jpgFather and children cooking in the kitchen with fresh water thanks PP pipeshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000089-01.jpgA child running barefoot on a wooden floorhttps://www.vaillant.com/en/advice/glossary/pressure-relief-valve/2026-08-12T14:44:03+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgHouse with photovoltaic modules on the roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212339-01.jpgInstaller is working on a wall hung boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgChild playing with a ball in front of a heat pumphttps://www.vaillant.com/en/advice/glossary/primary-energy/2026-08-12T14:44:28+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgA boy and a dad playing in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310570-01.jpgA heat pump in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-natural-gas-608x550.jpgWind turbine in a field produces primary energyhttps://www.vaillant.com/en/advice/glossary/radiator-valve/2026-08-12T14:45:10+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator17-34297-02.jpgA radiator with a couch and cozy light in the background, the radiator's display shows 21°https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator17-34298-02.jpgRadiator with a Vaillant thermostat in a bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgConsulting situation and heat pump in a gardenhttps://www.vaillant.com/en/advice/glossary/renewable-energies/2026-08-12T14:45:41+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-flexotherm-reference-lieboch-11.jpgPV modules on a house roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgfamily at a lakehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgHeat pump in front of a wallhttps://www.vaillant.com/en/advice/glossary/room-thermostat/2026-08-12T14:46:04+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000167-01.jpgA man controls the temperature in the living room using a controller.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan holding the system control sensoCOMFORT in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309477-01.jpgWoman sits on sofa using a smartphone. Sofa is in front of a window and beside a radiatorhttps://www.vaillant.com/en/advice/glossary/safety-valve/2026-08-12T14:46:44+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpgCylinder in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000020-01.jpgCouple on a couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212271-01.jpgAn installer checks all the valves on the heating unit.https://www.vaillant.com/en/advice/glossary/screw-conveyor/2026-08-12T14:47:20+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/placeholder-website-pdp-highlight-image.jpgLogo Vaillanthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgTBDhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgTBDhttps://www.vaillant.com/en/advice/glossary/sealed-heating-system/2026-08-12T14:48:54+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing20-109413-02.jpgVaillant product portfoliohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-52.jpgCouple sitting outside next to a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgWoman in the kitchen with a gas boiler on the wallhttps://www.vaillant.com/en/advice/glossary/seasonal-performance-factor/2026-08-12T14:49:37+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility-1.jpgair-water heat pump aroTHERM plus in front of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-pro-header-1256x550.jpgVaillant heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgTwo men with a heat pump behind themhttps://www.vaillant.com/en/advice/glossary/single-storey-heating-system/2026-08-12T14:50:07+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgA mother and her daughter playing in a kitchen in front of a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000438-01.jpgA child sits on the counter while the mother and father cook. A Vaillant boiler provides fresh, hot water.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000038-01.jpgFather and child sitting under an airconditioninghttps://www.vaillant.com/en/advice/glossary/smart-meter/2026-08-12T14:50:26+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/referenz-de-2.jpgHouse during night timehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000009-01.jpgA family in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/gettyimages-909597732.jpgFather and daughter are sitting on the floor and readinghttps://www.vaillant.com/en/advice/glossary/solar-collector-fluid/2026-08-12T14:50:54+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar25-314515-01-bis.jpgSolar thermal heating 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roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar25-314515-01-bis.jpgSolar thermal system, uses the environmentally friendly energy of the sunhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/0020277139-01-technologieinfo-solarthermie-1.jpgSolar panels on a roofhttps://www.vaillant.com/en/advice/glossary/solar-power/2026-07-28T09:15:23+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-iqconnect-b2b-image-systemupdate.jpgA smartphone in your hand that displays the temperaturehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgPhotovoltaics on a roof of a househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/references18-45797-01.jpgEnergy production with photovoltaic panel on roofhttps://www.vaillant.com/en/advice/glossary/solar-pump/2026-08-12T14:53:05+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114203-01-extended.jpgSystem components for the most efficient heatinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/0020277139-01-technologieinfo-solarthermie-1.jpgSolar panels on a roofhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000011-01.jpgFather and daughter are standing together at the sink playing with the waterhttps://www.vaillant.com/en/advice/glossary/solar-thermal-collector/2026-08-12T14:53:36+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-iqconnect-b2b-image-systemupdate.jpgA smartphone in your hand that displays the temperaturehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar25-314515-01-bis.jpgSolar thermal collector to produce energy for heating, cooling, hot waterhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp-000205-01.jpgPhotovoltaics on the roof of a househttps://www.vaillant.com/en/advice/glossary/solid-fuel-boiler/2026-08-12T14:54:11+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgA mother and her daughter playing in a kitchen in front of a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/placeholder-website-pdp-scene-image.jpgVaillant logohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-52.jpgA couple sitting in front of their heat pumphttps://www.vaillant.com/en/advice/glossary/stand-by-losses/2026-08-14T10:46:29+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311798-01.jpgVaillant heat pump in the test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/arostor-plus-scenic.jpgbuffer cylinder aroSTORhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000131-01.jpgA man is leaning against the outdoor unit of a heat pump, holding his smartphonehttps://www.vaillant.com/en/advice/glossary/tankless-water-heater/2026-08-11T10:40:41+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000151-01.jpgWoman washing dishes in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000113-01.jpgInstantaneous water heaters VED Vaillanthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000227-01.jpgVaillant instantaneous water heater electronicVED in bathroomhttps://www.vaillant.com/en/advice/glossary/temperature-regulator/2026-08-12T14:55:55+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan holding the system control sensoCOMFORT in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309477-01.jpgWoman sits on sofa using a smartphone. Sofa is in front of a window and beside a radiatorhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000052-01.jpgA man is adjusting the settings on his Vaillant room thermostathttps://www.vaillant.com/en/advice/glossary/thermal-bridging/2026-08-12T14:56:45+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313358-01.jpgA Vaillant heat pump in front of a modern buildinghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313278-01.jpgChild playing with a ball infront of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/sz-1-arotherm-pro-l-without-anpassung-21-9.jpgA building with many windows has many thermal bridges. An aroTHERM pro heat pump is located in front of the househttps://www.vaillant.com/en/advice/glossary/thermostat/2026-08-12T14:57:15+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33886-02.jpgVaillant thermostat on a radiator in living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgHeating controlhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control20-309477-01.jpgThermostat control knobhttps://www.vaillant.com/en/advice/glossary/thermostatic-mixing-valve/2026-08-12T14:57:37+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000020-01.jpgA couple are lying on the sofahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/unistor-vih-rw-200-scenic.jpgHot-water tank in the boiler roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc21-311311-01.jpgThe engineer checks all the valves on the boilerhttps://www.vaillant.com/en/advice/glossary/wall-mounted-heater/2026-08-12T14:58:04+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000007-01.jpgMother an daughter playing with soap in front of a wall hun boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000029-1.jpgCouple lying on couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whbc25-314533-01.jpgecoTEC plus WHB in bathroomhttps://www.vaillant.com/en/advice/glossary/weather-compensation/2026-08-12T14:58:47+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgWoman siiting on a window with heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/welcome-smart-heating-with-myvaillant.jpgSmartphone in front of a sensoHOME controllerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgCouple going for a walk with heat pump in the backgroundhttps://www.vaillant.com/en/advice/glossary/anti-freeze-protection/2026-08-14T12:05:37+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311789-01.jpgVaillant heat pump being tested in very cold conditionshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313272-01.jpgChild playing football in the garden infront of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-314165-01.jpgWinter garden with a snow covered heat pumphttps://www.vaillant.com/en/advice/glossary/energy-audit/2026-08-11T10:50:11+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/professionals16-43946-01.jpgprofessional consulation to find the perfect heating solutionhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000018-01.jpgCouple sitting on the sofa checking energy consumption on an apphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vaillant2024-emptynester-65.jpgBird's eye view of a gardenhttps://www.vaillant.com/en/advice/glossary/heating-circuit/2026-08-11T10:42:08+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313257-01.jpgMan checking settings on his controlhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-split-plus-placement.jpgBird's eye view of a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/boiler-aircon-16x9-01.jpgFunction of a heating systemhttps://www.vaillant.com/en/advice/glossary/domestic-hot-water-(dhw)/2026-08-11T11:42:50+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000046-01.jpgFather and daughter are standing in front of a sink in the bathroom playing with the water.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage24-313734-01.jpgDHW Storage in bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/storage25-314453-01.jpgVaillant storage beside a windowhttps://www.vaillant.com/en/products/2026-08-14T10:39:11+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/people18-45782-01.jpgHeat pump in front of new househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/featurecard-arotherm-plus-new-flexibility-1.jpgaroTHERM plus in front of house wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/d1-frontyard-arothermplus-b-4677.jpgHeat pump in front of new househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114203-01-extended.jpgproductportfolio Vaillant; air to water Heat pump, solar thermal, buffer cylinder, wall hung boiler, groundsource heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/scenic-aguaflow-plus-heating-room.jpgHeat pump in front of new househttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-314519-01.jpgHeating control on the wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000421-01.jpgElectric water heater in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/aircon25-000087-01.jpgAirconditioning unit in the living roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/arostor-plus-scenic.jpgCylinder in the utility room next to a shelfhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea17-34731-01.jpgMiddle-aged couple in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/fancoil25-000224-01.jpgFan coil unit on the wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare with folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000272-01-uk.jpgBoiler on the wall in the kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ventilation25-000222-01-16-9.jpgMiddle-aged couple in front of heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/ea25-000227-01.jpgElectric wall hung boiler in the bathroomhttps://www.vaillant.com/en/service/2026-09-01T10:18:44+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/day1-vaillant-lifestyle-d1-garden2-arothermplus-b-s6b-0343.jpgFather plays with his daughter in the garden.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000349-01.jpgVaillant installer explains a heat pump to a homeownerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313315-01.jpgTechnician is working on an aroTHERM Split Heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare with folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000147-01.jpgInstaller visiting homeowner for a repairhttps://www.vaillant.com/en/service/explore-the-benefits-of-annual-service/how-to-save-heating-costs/2026-07-27T16:52:29+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000174-1.jpgModern heating systems from Vaillanthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000102-01.jpgAn installer talking to a homeowner in the kitchen, in the background: a gas boiler on the wallhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000264-01.jpgA couple enjoying the comfort of their homehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313323-01.jpgInstaller and customer handshaking in front of a aroTHERM heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-311038-01.jpgCouple lying on couchhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000127-01.jpgThe ideal room temperature for a girl lying in a beanbaghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000147-1.jpgInstaller visiting for hydraulic balancinghttps://www.vaillant.com/en/service/explore-the-benefits-of-annual-service/annual-service-for-boilers/2026-08-20T13:13:13+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000110-01.jpgVaillant ecoTEC exclusive in a kitchenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000352-01.jpgA man with a dog and a plumber are sitting in the garden next to the heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/radiator16-33887-02.jpgRadiator with Vaillant thermostat in bathroomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/prof10-4846-01.jpgBoiler counselling situation at home - couple sitting on a table in discussion with an experthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgPlumber working on a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/best-time-for-service-16x9-01.jpgA service illustration that intended to show the best time for servicehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313265-01.jpgA couple with a smartphone in their livingroomhttps://www.vaillant.com/en/service/explore-the-benefits-of-annual-service/2026-07-28T15:34:27+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000444-01.jpgInstaller working on a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313315-01.jpgAn engineer is carrying out maintenance work on a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000379-01.jpgAn installer working on a heat pump in the gardenhttps://www.vaillant.com/en/service/explore-the-benefits-of-annual-service/annual-service-for-heat-pumps/2026-07-27T13:57:23+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000361-01.jpgHeatpump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313328-01.jpgVaillant service technican with a smartphone and a customer next to himhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control25-000237-01.jpgMan holding the system control sensoCOMFORT in his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000379-01.jpgAn installer working on a heat pump in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212409-01.jpgService technician working on heat pump in front of manhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-r290xhare-header.jpgVaillant Hare is standing in front of a heat pump in the garden bearing the R290 logohttps://www.vaillant.com/en/service/need-a-repair-we're-here-to-support-you/2026-08-11T08:09:55+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313364-01.jpgInstaller repairing heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313323-01.jpgWoman and Vaillant service person shaking hands in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000147-01.jpgInstaller visiting homeowner for a repairhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000396-01.jpgInstaller pointing on boiler explaining to a customerhttps://www.vaillant.com/en/service/manuals-vg-international/2026-08-24T09:57:23+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310554-01.jpgA heat pump is being installedhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310563-01.jpgAn installer is pleased to have successfully installed a Vaillant producthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp21-310538-01.jpgA qualified installer is fitting the heating system pipeworkhttps://www.vaillant.com/en/service/manuals-vg-int/documents-armenia/2026-08-18T13:36:41+02:00https://www.vaillant.com/en/service/manuals-vg-int/documents-georgia/2026-08-20T14:55:44+02:00https://www.vaillant.com/en/service/erp-labeling/2026-08-19T11:45:54+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/erp-startpage-16-9.jpgErP Labeling Toolhttps://www.vaillant.com/en/contact/2026-08-07T10:48:38+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000140-1.jpgVaillant expert greeting a woman at the front door.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/230525-vaillant-hare-activation-package-newsletter.jpgVaillant hare next to a heat pump and a boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare with folding rulehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-314243-01.jpgVaillant heat pump in a utility roomhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgMiddle-aged couple in front of heat pumphttps://www.vaillant.com/en/contact/find-your-trusted-installer-nearby/2026-07-28T15:39:52+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313352-01.jpgAn installer and a customer in front of a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/comfort25-000140-01.jpgHomeowner greeting Vaillant installerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313363-01.jpgA man with his daughter and a plumber standing in front of a heat pump outdoor unit.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/va-b2c-kampagne2023-installer-5.pngInstaller balancing a tool on his handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgAir-to-water heat pump behind a woman and a doghttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212409-01.jpgInstaller is doing a boiler servicehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/productambient-service.jpgThe customer greets the plumber at the front door with a handshakehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313378-01.jpgA plumber is adjusting the settings on the heating controller.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman is cooking in the kitchen - in the background a Vaillant ecoTEC plus boilerhttps://www.vaillant.com/en/contact/find-your-trusted-installer-nearby/oceania/2026-08-27T12:17:43+02:00https://www.vaillant.com/en/contact/find-your-trusted-installer-nearby/africa/2026-09-01T14:31:35+02:00https://www.vaillant.com/en/contact/find-your-trusted-installer-nearby/asia/2026-09-01T14:31:35+02:00https://www.vaillant.com/en/contact/find-your-trusted-installer-nearby/europe/2026-08-27T12:53:36+02:00https://www.vaillant.com/en/contact/looking-for-help-use-our-contact-form/2026-07-28T15:41:46+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/prof10-4846-01.jpgBoiler counselling situation at home - couple sitting on a table in discussion with an experthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/vai-17.08.212409-01.jpgInstaller is doing a boiler servicehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/whb25-000084-01.jpgA woman is cooking in the kitchen - in the background a Vaillant ecoTEC plus boilerhttps://www.vaillant.com/en/contact/looking-for-help-use-our-contact-form/success-page/2026-08-14T11:43:16+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313353-01.jpgA heating engineer and a homeowner shake handshttps://www.vaillant.com/en/about-us/2026-08-07T11:56:17+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/johann-vaillant-21-9-green-background-1.jpgFounder Johann in front of heat pump aroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/johann-vaillant-21-9-green-background.jpgJohann Vaillant leaning to a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311801-01.jpgVaillant heat pump in the test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/career.jpgVaillant employeeshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-01.jpgWoman sitting with her dog at the windowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-hare-zollstock-16x9-2.pngVaillant hare holds a folding rulerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000293-01.jpgFamily dinner in the gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/241105-vaillant-hare-header-16-9.jpgVaillant harehttps://www.vaillant.com/en/about-us/our-mission/2026-08-18T13:38:30+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/johann-vaillant-21-9-green-background.jpgJohann Vaillant leaning to a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hybrid22-311969-01.jpgHybrid heating systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000006-1.jpgWoman sitting with her dog at the windowhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313297-01.jpgMan playing with his child in the living room.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0075-mkp-ret.jpgEngineer inspects a Vaillant hydrogen-compatible boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hdr-img4.jpgMap which shows all Vaillant plants in Europe and Chinahttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000004-01.jpgFamily enjoying a barbecue in the garden with friendshttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/rotating-fan.jpgRotating fanhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp23-313338-01.jpgA bird's eye view of a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000001-01.jpgaroTHERM Split plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/241105-vaillant-hare-header-16-9.jpgVaillant rabbit with a carrot in its handhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/forest.jpgA bird's eye view of a foresthttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/contentcard-ourmission-corporatevalues.jpgVaillant teamhttps://www.vaillant.com/en/about-us/our-quality-promise/2026-08-19T13:45:33+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311799-01.jpgVaillant heat pump in test unithttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311804-01.jpgVaillant Logo on a snow-covered heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311801-01.jpgA heat pump being tested under extreme cold conditions.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311744-01.jpgVaillant boiler in a test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311768-01.jpgVaillant heat pump in the factoryhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0124-mkp-ret.jpgVaillant Hydrogen boiler in a test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311766-01.jpgVaillant heat pump in a test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114201-01.jpgVaillant heat pump systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/231214-vaillant-150-teaser-module-eng.jpg150 years celebrationhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000415-01.jpgVaillant heat pump standing infront of a wall in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311810-01.jpgVaillant heat pump in a test centerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000410-01.jpgMiddle-aged couple in front of a Vaillant Heat pumphttps://www.vaillant.com/en/about-us/our-quality-promise/green-technology/2026-08-20T14:24:50+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/20201021-vaillant-wasserstoff-0075-mkp-ret.jpgCheck of hydrogen ready boilerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/control22-312041-01.jpgMan talking about the control app with an installerhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/beautyshots-arotherm-plus-m-0011.jpgVaillant aroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000415-1.jpgHeat pump outdoor unit, standing infront of a wall in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/production22-311804-4.jpgA heat pump being tested under extreme cold conditions.https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/260116-va-r290xhare-header.jpgVaillant hare with natural refrigerant logo in front of an aroTHERM plus heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000071-01.jpgInstaller and customer in a consultationhttps://www.vaillant.com/en/about-us/innovation-milestones/2026-08-19T13:26:43+02:00https://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/johann-vaillant-21-9-green-background-1.jpgJohann Vaillant leaning to a heat pumphttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hisg4-2.jpgThe MAG-Ehttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp19-309252-02.jpgThe aroTHERM plushttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114203-01.jpgVaillant portfoliohttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/composing25-114201-01.jpgVaillant heat pump systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/solar09-3615-01.jpgsolar thermal systemhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/03-1905-geyser-02-ergebnis.jpgThe Geyserhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/hp25-000415-01.jpgVaillant heat pump standing infront of a wall in a gardenhttps://vaillantprod-media.e-spirit.cloud/108250ea-00ea-48fd-b0a1-ab37982ed2f9/importedmedia/241105-vaillant-hare-header-16-9.jpgThe Vaillant 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