Heat Recovery Unit

Viessmann Vitovent 300-W H32S A225 (R) – Smart, Quiet Ventilation for Rooms up to 160 m²
The Viessmann Vitovent 300-W H32S A225 (R) is a compact and energy-efficient central ventilation system, specially designed for modern apartments and smaller homes. With a maximum air volume flow of up to 225 m³/h, it ensures a balanced and healthy indoor climate while minimizing energy losses.
Key Features and Benefits
✔ High heat recovery efficiency – Up to 92% of exhaust heat is recovered
✔ Smart control – Full access via ViCare app and Vitoguide platform for installers
✔ All-season performance:
Winter: Integrated pre-heater ensures frost-free operation
Summer: Automatic bypass enables passive night cooling
✔ Allergy-friendly – Optional G4 or F7 filters reduce allergens and pollen
✔ Healthier air quality – Prevents humidity buildup, mold, and dust mites
✔ Compact installation – Wall-mounted design fits above appliances or in utility areas
✔ Flexible control options:
Through Vitotronic 200 (type WO1C)
Via LB1 ventilation control unit with display
Through ViCare app with full system integration
Why Choose the Vitovent 300-W
✔ Low energy use with high thermal recovery
✔ Whisper-quiet operation and discreet installation
✔ Better humidity control – prevents damage and discomfort
✔ Cleaner air – less dust and fewer allergens
✔ Better safety and insulation – no need to open windows
✔ Complete system compatibility – one supplier, one solution
Viessmann Vitovent 300-W H32S A225 (L) – Smart, Quiet Ventilation for Rooms up to 160 m²
The Viessmann Vitovent 300-W H32S A225 (L) is a compact and energy-efficient central ventilation unit, ideal for apartments and smaller homes. With a maximum air volume flow of up to 225 m³/h, it ensures a healthy indoor climate and minimal energy loss, perfectly suited for modern living environments.
Key Features and Benefits
✔ High heat recovery efficiency – Reuses up to 92% of exhaust air heat
✔ Smart control via app – Full control through ViCare, and Vitoguide for installers
✔ All-season comfort:
Winter – Integrated electric preheater for frost protection
Summer – Automatic bypass for passive night cooling
✔ Allergy-friendly – Optional G4/F7 filters for pollen and fine dust removal
✔ Healthy indoor air – Prevents moisture, mold, and dust mite growth
✔ Space-saving installation – Wall-mounted, ideal above appliances or in utility rooms
✔ Multiple control options:
Via Vitotronic 200 heat pump control (WO1C)
Via LB1 control unit with graphical display
Via ViCare app with integrated Viessmann systems
Why Choose the Vitovent 300-W
✔ Silent operation and compact footprint
✔ Lower heating costs through energy recovery
✔ Cleaner, healthier indoor air
✔ Better humidity control
✔ Enhanced security – no need to open windows
✔ Seamless system integration with Viessmann solutions
Viessmann Vitovent 300-W H32S C325 (R) – For Rooms Up to 320 m² – High-Efficiency Ventilation for Family Homes
The Vitovent 300-W H32S C325 (R) is a powerful, energy-efficient central ventilation system designed for detached houses and larger living spaces. With an impressive air volume flow of up to 325 m³/h, it ensures excellent air quality and thermal comfort while minimizing energy losses.
Key Features & Benefits:
✔ High Heat Recovery Efficiency: Recovers up to 92% of the heat from exhaust air to warm incoming fresh air, reducing heating bills and improving energy performance.
✔ Smart Operation: Easily control your system via the ViCare smartphone app. When combined with a Vitocal heat pump, both systems can be managed from the same interface. Installers can access system diagnostics remotely using the Vitoguide web app.
✔ All-Season Comfort:
✔ In winter, the integrated electric pre-heater keeps the system from freezing, even during extreme cold.
✔ In summer, the automatic bypass valve enables passive night-time cooling with fresh outdoor air.
✔ Ideal for Allergy Sufferers: Optional G4 or F7 filters effectively remove dust, pollen, and allergens from incoming air, creating a healthier indoor environment and reducing mold risk.
✔ Protects Your Home & Health: Constant air circulation helps regulate indoor humidity, preventing mold growth and safeguarding building structures.
✔ Flexible & Space-Saving Installation: Wall-mounted design fits into utility rooms or attics with ease—ideal for placement above washing machines. The unit is lightweight and operates quietly for minimal disruption.
✔ Multiple Control Options:
✔ Via Vitotronic 200 control panel (type WO1C)
✔ Via dedicated ventilation control panel (type LB1) with graphical interface
✔ Through the ViCare app when integrated into Viessmann’s smart system
Why Choose the Vitovent 300-W C325 (R):
✔ Powerful 325 m³/h airflow – perfect for family homes
✔ Silent operation and low power consumption
✔ High heat recovery rate – lowers energy costs
✔ Reduces indoor humidity – prevents mold and structural damage
✔ Air filtration improves air quality for allergy sufferers
✔ Greater security and noise protection – no need to open windows
✔ Minimizes odors and airborne pollutants
✔ Full system integration with Viessmann heat pumps
✔ Compact footprint – fits even in small technical spaces
✔ All-in-one solution from a single trusted supplier
Viessmann Vitovent 300-W H32S C325 (L) – High-Efficiency Ventilation for Rooms up to 320 m²
The Vitovent 300-W H32S C325 (L) is a high-performance, energy-efficient central ventilation system, specifically designed for detached houses and spacious residential environments. With a maximum air volume flow of up to 325 m³/h, it delivers excellent air quality, thermal comfort, and low energy consumption.
Key Features and Benefits
✔ Up to 92% heat recovery – Reduces heating demand and operating costs
✔ Smart control – Operate via ViCare app, remote diagnostics via Vitoguide
✔ All-season performance:
Winter – Integrated electric preheater ensures frost protection
Summer – Automatic bypass enables passive night cooling
✔ Allergy-friendly – Optional G4 or F7 filters remove dust, pollen, and allergens
✔ Healthier indoor environment – Prevents humidity buildup and mold
✔ Flexible wall-mounted installation – Ideal for utility rooms or above appliances
✔ Quiet operation – Lightweight, low-noise design
✔ Multiple control interfaces:
Vitotronic 200 panel (WO1C)
LB1 control unit with graphical display
ViCare app when integrated into Viessmann smart systems
Why Choose the Vitovent 300-W C325 (L)
✔ High-capacity airflow – perfect for family homes
✔ Low noise and power consumption
✔ Reliable humidity regulation and mold prevention
✔ Improved air quality and allergy protection
✔ No need to open windows – better safety and insulation
✔ Complete Viessmann integration – heating and ventilation in one
✔ Compact, discreet, and highly efficient
Viessmann Vitovent 300-W H32S C400 (R) – Maximum Airflow Ventilation for Rooms up to 440 m²
The Vitovent 300-W H32S C400 (R) is the most powerful model in the Vitovent range, specially designed for large homes, villas, and spacious residential properties. With an impressive airflow of up to 400 m³/h, it delivers optimal indoor air quality and thermal comfort, while ensuring energy-efficient operation.
Key Features and Benefits
✔ Up to 92% heat recovery – Reduces energy loss and lowers heating bills
✔ Smart control – Operate via ViCare app, installer access via Vitoguide
✔ Year-round performance:
Winter: Integrated electric pre-heater for frost protection
Summer: Automatic bypass valve enables night-time passive cooling
✔ Advanced filtration – Optional G4/F7 filters remove allergens and harmful particles
✔ Humidity control – Prevents mold and structural damage
✔ Wall-mounted design – Fits above washing machines or in utility spaces
✔ Quiet and efficient – Low noise and low power consumption
✔ Flexible control options:
Vitotronic 200 control panel (type WO1C)
LB1 ventilation panel with graphical display
ViCare app for integrated smart system control
Why Choose the C400 (R)
✔ High-capacity airflow – up to 400 m³/h
✔ Quiet and energy-efficient operation
✔ Excellent heat recovery performance
✔ Balanced humidity prevents mold and damage
✔ Clean, filtered air – perfect for allergy sufferers
✔ Greater security and acoustic comfort – no need to open windows
✔ Full integration with Viessmann heating systems
✔ Compact wall-mounted solution
✔ One complete system from a single trusted supplier
Viessmann Vitovent 300-W H32S C400 (L) – Maximum Airflow Ventilation for Rooms up to 440 m²
The Vitovent 300-W H32S C400 (L) is the most powerful model in the Vitovent 300-W range, designed for spacious homes, villas, and large residential spaces. With an airflow of up to 400 m³/h, it delivers exceptional air quality, comfort, and energy efficiency, even in large-area applications.
Key Features and Benefits
✔ Up to 92% heat recovery – Significantly lowers heating costs
✔ Smart control & integration – Operates via ViCare app, integrates with Vitocal heat pumps, remote access via Vitoguide
✔ All-season performance:
Winter: Integrated electric pre-heater ensures freeze-free operation
Summer: Automatic bypass enables passive cooling with cool night air
✔ Allergy-friendly – Optional G4/F7 filters reduce dust, pollen, and fine particles
✔ Humidity regulation – Prevents mold, protects building structure
✔ Space-saving wall-mount – Fits easily in utility rooms or above appliances
✔ Low-noise design – Suitable for use in living areas
✔ Multiple control options:
Via Vitotronic 200 (WO1C)
Via LB1 control unit with graphical display
Through ViCare app in Viessmann smart systems
Why Choose the Vitovent 300-W C400 (L)
✔ Maximum airflow – ideal for large homes and villas
✔ Extremely quiet and efficient operation
✔ Powerful heat recovery and energy savings
✔ Cleaner air for allergy sufferers
✔ No need to open windows – better safety and insulation
✔ Odor and pollutant reduction
✔ Seamless integration with Viessmann heat pumps
✔ Compact, wall-mounted installation
✔ One complete solution – one trusted supplier
Viessmann Vitoair FS – Compact Ventilation System for Rooms up to 280 m²
The Viessmann Vitoair FS is a modern, energy-efficient ventilation system that delivers fresh, healthy indoor air while maintaining low energy consumption. With a slim profile of just 245 mm, it is ideal for apartments and private homes, and can be easily installed in suspended ceilings.
Seamless Integration with Viessmann One Base
Vitoair FS connects effortlessly with Viessmann One Base, allowing smart combination with Vitodens gas boilers, Vitocal heat pumps, Vitovolt solar panels, and the Vitocharge VX3 energy storage system — enabling a nearly autonomous energy setup.
Smart Control with ViCare App
Manage and monitor the entire system remotely with the ViCare app, allowing users to optimize energy usage and indoor comfort.
Key Features and Benefits
✔ Balanced humidity and heat recovery – Enthalpy heat exchanger recovers both heat and moisture
✔ Super compact design – Only 245 mm thick, fits into suspended ceilings
✔ Quiet operation – Ideal for bedrooms and living spaces
✔ Energy saving – High efficiency with low power consumption
✔ Better security and sound insulation – No need to open windows
✔ Allergy-friendly – Efficient filtration against pollen and airborne particles
✔ No condensate drain required – Simple maintenance with optional online diagnostics
Viessmann Vitoair FS – The smart solution for healthy air, high energy efficiency, and quiet comfort in any home.
Viessmann Vitovent 300-W H32S A600 (L) – High-Performance Ventilation for Rooms up to 750 m²
The Vitovent 300-W H32S A600 (L) is a powerful central ventilation system, designed for extra-large residential spaces, multi-family homes, and light commercial applications. With an impressive airflow capacity of up to 600 m³/h, it ensures clean air, thermal comfort, and energy efficiency for both occupants and buildings.
Key Features and Benefits
✔ Up to 92% heat recovery – Reduces heating energy needs and costs
✔ Smart integration – Works with ViCare app, Vitocal heat pumps, and remote monitoring via Vitoguide
✔ Optimized year-round operation:
Winter – Integrated pre-heater for freeze protection
Summer – Automatic bypass for passive night cooling
✔ Advanced filtration – Optional G4/F7 filters for allergens, pollen, and dust
✔ Humidity control – Helps prevent mold and protect structural integrity
✔ Compact wall-mounted installation – Fits in technical rooms or utility spaces
✔ Quiet operation – Designed for minimal noise in living areas
✔ Multiple control options:
Vitotronic 200 (type WO1C)
LB1 control panel with graphical display
ViCare app within a connected Viessmann system
Why Choose the Vitovent 300-W A600 (L)
✔ Airflow up to 600 m³/h – perfect for large homes or shared living
✔ Quiet and energy-efficient operation
✔ Excellent heat recovery performance
✔ Reduces moisture and mold risk
✔ Allergy-friendly air filtration
✔ Better safety and acoustic insulation – no need to open windows
✔ Neutralizes odors and pollutants
✔ Fully integratable with Viessmann heating systems
✔ Compact and easy to install
✔ Reliable and complete solution from one trusted provider
Viessmann Vitovent 300-W H32S A600 (R) – For Rooms Up to 750 m² – High-Performance Ventilation for Extra-Large Spaces
The Vitovent 300-W H32S A600 (R) is a powerful central ventilation unit designed to deliver superior indoor air quality for larger residential buildings, multi-family homes, or commercial spaces. With a remarkable airflow capacity of up to 600 m³/h, it ensures consistent comfort, energy efficiency, and protection for both occupants and buildings.
Key Features & Benefits:
✔ Exceptional Heat Recovery Efficiency: Captures up to 92% of heat from exhaust air to pre-warm incoming fresh air, reducing energy losses and heating costs.
✔ Smart Control and Integration: Fully compatible with Viessmann Vitocal heat pumps and ViCare app for intuitive control. Remote maintenance via Vitoguide available for professionals.
✔ Optimized Year-Round Performance:
✔ In cold climates, the electric pre-heater ensures freeze-protected operation.
✔ In summer, the automatic bypass valve allows fresh, cool night air to circulate indoors.
✔ Advanced Filtration for Healthier Air: Optional G4 or F7 filters effectively reduce pollen, dust, and allergens – ideal for allergy sufferers.
✔ Humidity Control for Mold Prevention: Maintains ideal humidity levels to protect both health and building structure.
✔ Quiet and Compact Installation:
✔ Wall-mounted design fits easily in technical rooms or utility spaces.
✔ Operates quietly, with minimal noise in living areas.
✔ Flexible Control Options:
✔ Via Vitotronic 200 (type WO1C)
✔ Via ventilation control panel (type LB1) with graphical display
✔ Via ViCare app in a connected Viessmann ecosystem
Why Choose the Vitovent 300-W A600 (R):
✔ Airflow capacity up to 600 m³/h – ideal for large homes or shared living spaces
✔ Highly energy-efficient with low power consumption
✔ Superior heat recovery performance
✔ Prevents mold and structural damage through balanced humidity
✔ Filtered fresh air – free from allergens and pollutants
✔ Enhanced security and sound insulation without opening windows
✔ Reduced indoor odors
✔ Fully integrated control options or standalone operation
✔ Simple installation with minimal space required
✔ Reliable all-in-one solution from Viessmann