Ventilation solutions for the best air quality in your home.

Why a ventilation system is useful
Comfort that works behind the scenes.
A healthy life begins with clean air – and this is exactly where a modern ventilation system comes in. Especially when buildings are constructed tightly, natural fresh air supply is often limited. A household with four people produces up to 15 liters of moisture daily. In well-insulated buildings, simply opening windows is often not enough to ensure the necessary air hygiene without losing valuable heat. Additionally, many people are not at home during the day and cannot regularly provide burst ventilation. Vaillant's residential ventilation system automatically provides fresh air in your own four walls around the clock. This way, you not only improve air quality, but also increase the value of your home.
The advantages of ventilation systems
Why a ventilation system is worth it.
- Best air quality.
A ventilation system reliably directs stale air, moisture, and pollutants outside. The ultra-fine filtering of dirt, pollen, soot, and dust is particularly beneficial for allergy sufferers.
- Energy savings meet home security.
All Vaillant ventilation systems work with efficient heat recovery and reduce your heating costs by up to 30%. Closed windows also provide less outside noise and increase burglary protection.
- Protection of building structure.
While tight building insulation saves energy, it can also cause moisture damage. This is because stale air can no longer escape. Our modern ventilation systems prevent this particularly efficiently.
- Right-size your heating system.
With a ventilation system, you make every heating system more efficient – whether heat pump, gas, or oil heating. Through heat recovery, your building's heating load is reduced. Then a smaller and more cost-effective heating system is often sufficient.
Operation principle
How does the ventilation system work?
Ventilation systems work on a simple principle: they continuously remove stale air, moisture, and pollutants from your living spaces while drawing in fresh air from outside. The fresh air passes through filters, removing dust, allergens, and pollutants before it enters your home. This keeps your indoor air clean and healthy.
A fan or blower moves air in and out, ensuring a steady exchange. Intake vents bring in fresh air, while exhaust vents expel stale air. The system also regulates temperature and humidity, so you enjoy a comfortable, balanced indoor climate all year round.
For the best air quality, the system exchanges the full volume of indoor air several times per hour. This ensures a healthy environment for you and your family. Trust in Vaillant for energy-efficient ventilation that brings fresh air and peace of mind to your home.
Vaillant tip: Efficient heat recovery is key.
Our ventilation systems use the warmth from outgoing air to preheat incoming fresh air in winter, reducing heating needs. In summer, the process reverses—cooler indoor air stays inside, keeping your home comfortable.
With up to 90% heat recovery, you can save up to 30% on heating costs.
For the best air quality, the system exchanges the full volume of indoor air several times per hour. This ensures a healthy environment for you and your family. Trust in Vaillant for energy-efficient ventilation that brings fresh air and peace of mind to your home.
Ventilation system options
Central and decentral ventilation
- Central ventilation
- Decentral solution
Fresh air throughout the house.
Are you planning a new construction or major renovation? Then a central ventilation system is the ideal choice. Discreet air ducts hidden in ceilings, walls, or floors connect every room to the central ventilation unit. This is located in the basement, attic, or utility room. The high-quality system ensures a quiet, draft-free fresh air flow and guarantees optimal air circulation even in airtight houses.
With Vaillant, you have the choice between powerful wall-mounted units and space-saving .
Efficient ventilation solutions for modern homes
The ventilation systems we recommend for your home.
- 1/3Ventilation UnitrecoVAIRCentral ventilation system for modernization or new build: always fresh air throughout the house.Get more details

Central ventilation system for modernization or new build: always fresh air throughout the house.
- Best indoor quality for up to 290 sqm floor spaces
- Relief for allergy sufferers thanks to ultra-fine dust and pollen filters
- Energy savings with heat recovery system
- Maintaining property value thanks to less humidity and prevention of mould growth
- Noiseless and draught-free fresh air distribution
The central ventilation system with heat recovery recoVAIR provides fresh, healthy air in every room of your house without having you open the windows and thus lose heat in winter. With our device you are also choosing to protect your health. Up to 90 % of all smallest particles are filtered out of the air such as bacteria, fungal spores, and smokes. Ultra-fine pollen filters ensure that allergy sufferers in particular can breathe a sigh of relief in their home. Depending on the heating and type of the insulation, a residential ventilation is required for airtight insulated buildings.

- 2/3Ventilation UnitrecoVAIR VAR 60Decentralised ventilation for a pleasant indoor climate.Get more details

Decentralised ventilation for a pleasant indoor climate.
- Cost-effective ventilation solution for individual rooms
- Save heating costs through heat recovery
- Automatic regulation of air humidity for better indoor climate
- Simple integration in existing buildings
- Very quiet operation in the living space
The recoVAIR VAR 60 ventilation system is a cost-effective solution for decentralised room ventilation. It is particularly quiet and is only used in the rooms in which it is desired. It provides fresh air in the interior at all times without the need to open windows and without heat escaping. At the same time, it works according to the energy-saving principle of heat recovery. Thanks to the integrated humidity sensor, the ventilation unit switches on automatically when the humidity is too high - until the desired value is reached again. This not only ensures a pleasant indoor climate, but also protects the building fabric. The product is available as a wired or radio-controlled variant.

- 3/3Ventilation UnitrecoVAIRCentral ventilation system for modernization or new build: always fresh air throughout the house.Get more details

Central ventilation system for modernization or new build: always fresh air throughout the house.
- Best indoor quality for up to 290 sqm floor spaces
- Relief for allergy sufferers thanks to ultra-fine dust and pollen filters
- Energy savings with heat recovery system
- Maintaining property value thanks to less humidity and prevention of mould growth
- Noiseless and draught-free fresh air distribution
The central ventilation system with heat recovery recoVAIR provides fresh, healthy air in every room of your house without having you open the windows and thus lose heat in winter. With our device you are also choosing to protect your health. Up to 90 % of all smallest particles are filtered out of the air such as bacteria, fungal spores, and smokes. Ultra-fine pollen filters ensure that allergy sufferers in particular can breathe a sigh of relief in their home. Depending on the heating and type of the insulation, a residential ventilation is required for airtight insulated buildings.

- 3/3Photovoltaic ModuleauroPOWERPowerful photovoltaic modules for own electricity generationGet more details

Powerful photovoltaic modules for own electricity generation
- Produces electricity reliably for self-consumption, especially for efficient heat pump operation
- Free use of solar energy as a clean, CO₂-neutral and unlimited source
- Efficient and robust solar cells in an elegant design
- Planning and installation with support of qualified Vaillant partners
- Smart energy management at a glance: e. g. power generation and consumption
With the powerful, modern designed PV-modules auroPOWER you can produce your own electricity for the highly efficient operation of your heat pump, but also for your e-car and household appliances. Due to our high quality, reliable solar cells which are made in Germany you can count on long-term warranty. The PV-modules can be easily installed on the roof of your house and are compatible with other components to build up a future-proof photovoltaic system.



Combine heating and ventilation
Smart duo: heat pump ventilation system
Our ventilation systems can be combined with any heat generator, including gas or oil heating systems. The combination with a heat pump is particularly efficient.
While a heat pump provides heat in an energy-saving and sustainable way, the ventilation system ensures fresh air and recovers up to 90% of the heat. This significantly reduces your heating costs. In winter, the valuable heat stays in the building and doesn't escape through open windows. In summer, heat recovery works just as efficiently as in winter, only in reverse: the ventilation system now ensures that the pleasant coolness that the heat pump can generate through surface temperature control remains in the room.
By the way: heat pump and central ventilation control is conveniently handled via a shared system controller or our free myVaillant app.



