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The green heart of your comfort: Indoor heat pump solutions.

Heat pumps don't always have to be installed outside. There are also models that can be installed directly inside the house. This is ideal for small properties and ensures an unobtrusive appearance.
Indoor heat pump in the utility room

Advantages of indoor heat pumps

The advantages of installing your heat pump inside your home.

  • Keeps your garden tech-free.

    The indoor heat pump is an ideal solution when you have available space inside your home and prefer to keep your garden free from technical equipment. You can enjoy an unobstructed view of your outdoor space without any machinery affecting the landscape.

  • Pin-drop quiet neighbourhood.

    Your property remains free from additional noise, as there is no sound source that could cause disturbance. This way you can enjoy the peace and quiet in your outdoor area undisturbed.

  • Longevity.

    Indoor installation protects the heat pump from wind and weather, ensuring a particularly long lifespan and delivers a consistently reliable system year after year.

  • More creative space outside.

    Without an outdoor heat pump, you're free to landscape however you want and design the perfect backyard without working around bulky equipment.

Indoor heat pump flexoTHERM exclusive with separate DHW storageIndoor heat pump flexoTHERM exclusive with separate DHW storage

Possible disadvantages of indoor heat pumps

Considerations for indoor heat pump placement.

One thing to consider with indoor heat pumps is operating noise. If you place the heat pump in the wrong spot, you might notice some sounds. But don't worry - today's heat pumps are usually so quiet that you'll barely hear them running.

Plus, there are easy ways to make your indoor heat pump even quieter. Simply put it on a stable, flat surface with a sound-dampening rubber mat underneath. And if you choose a room that's away from your main living areas, you'll have complete peace and quiet.

With Vaillant, you're in good hands: Our heat pumps are especially quiet and hardly noticeable thanks to our specially developed Sound Safe System.

Installation tips

Requirements for the heat pump installation room.

The right installation location is important so that your indoor heat pump works efficiently and integrates optimally into your home. Of course, the heat pump needs space in the house, which means you may have less room available for other things. However, with clever planning, the space requirements can be well integrated. The following points will help you get an initial overview of the room requirements, so you're well prepared.
  • Adequate space.

    There should be sufficient space in the installation room. If the heat pump doesn't have an integrated hot water tank, additional room must be planned for a separate storage tank.

  • Stable foundation.

    The load-bearing capacity of the floor must be suitable for the weight of the heat pump. Double check if you consider placing it on upper floors, particularly old floors etc.) Additionally, the surface on which the heat pump is positioned must be level to ensure safe and stable installation.

  • Accessibility.

    Since the heat pump is pre-assembled and comes with considerable weight, the location should be easily accessible. Make sure to avoid steep stairs and tight corners, as these could complicate transport and installation.

Vaillant tip:

What building modifcations you need to consider.

Indoor installation of heat pumps requires structural modifications. Air-to-water heat pumps need larger wall openings to ensure optimal air supply through air ducts. Ground- source and groundwater heat pumps sometimes require extensive garden excavation to access the energy sources.

Newly built terraced housesNewly built terraced houses

Indoor heat pumps in new builds

The perfect choice for your new build.

Indoor heat pumps are ideal for new construction integration. The necessary structural modifications and optimal installation room can be considered directly during the planning phase. This eliminates any space or noise issues in the house.
If you're modernizing your heating system, an indoor heat pump can also be an option when sufficient space is available. This depends on the individual conditions on site.

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Frequently Asked Questions

Still have questions? We have the answers.

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