Heat Recovery Unit
Ventilation unit Viessmann Vitovent 050-D with heat recovery - airflow up to 43 m3/h
Viessmann Vitovent 050-D is a decentralised ventilation unit with heat recovery (regenerative heat exchanger), providing fresh air supply and heat recovery for individual rooms without a duct system. The unit operates in paired mode (push-pull principle), helps maintain a healthy indoor climate and reduces ventilation heat losses. Designed for installation through an external wall, with a 230 V connection and an Ø162 mm installation opening.
Key features and benefits
✔ Decentralised ventilation without ductwork - ideal for renovation and rooms where central ventilation is not possible
✔ Regenerative heat recovery up to 82% (DIBt) - efficient heat storage and release by reversing airflow direction
✔ Airflow up to 43 m3/h - ensures stable air exchange in living spaces
✔ 4 ventilation speeds - 16 / 22 / 30 / 43 m3/h depending on demand
✔ Low noise level - 32 dB(A) at speed 1, 43 dB(A) at speed 2, up to 52 dB(A) at speeds 3-4
✔ High energy efficiency - energy efficiency class A (according to EU regulation)
✔ Compact indoor unit - 190 x 214 x 40 mm, weight only 4.6 kg
✔ Easy installation - Ø162 mm installation opening and minimum wall thickness 305 mm
✔ System expansion - possibility to connect up to 6 units to one control unit (star configuration)
✔ Important note on scope of delivery - wall sleeve and external wall cover are not included and must be ordered separately
Viessmann Vitovent 050-D is a compact and energy-efficient solution for decentralised ventilation with heat recovery, improving indoor air quality and helping reduce heating costs.
Ventilation unit Viessmann Vitovent 100-D with heat recovery - airflow up to 55 m3/h
Viessmann Vitovent 100-D is a decentralised ventilation unit with heat recovery, providing fresh air supply and heat recovery for individual rooms without a duct system. The unit operates in paired mode (push-pull principle), helping maintain a healthy indoor climate while reducing ventilation heat losses. Designed for installation through an external wall with a 230 V connection and Ø162 mm core drill opening.
Key features and benefits
✔ Airflow up to 55 m3/h - suitable for rooms up to approx. 41 m2 per unit pair
✔ Heat recovery up to 92% - significantly reduces heating losses
✔ 4 ventilation speeds (paired operation) - 17 / 28 / 39 / 55 m3/h
✔ Very low noise level - 22 dB(A) at base speed and up to 31 dB(A) in intensive mode
✔ Low specific power consumption - 0.09 W/(m3/h)
✔ High energy efficiency - energy efficiency class A
✔ Minimum wall thickness 220 mm - suitable for renovation projects
✔ Easy installation - Ø162 mm core drill opening and standard 230 V connection
✔ Wireless synchronisation between units - paired operation without additional connection cables (depending on configuration)
✔ Convenient control - via Vitovent D app or wall-mounted touchscreen panel
✔ Tool-free maintenance - easy filter replacement from inside
✔ Important note on scope of delivery - wall sleeve and external wall cover are not included and must be ordered separately
Viessmann Vitovent 100-D is a quiet and energy-efficient solution for decentralised ventilation with high heat recovery efficiency, improving indoor air quality and reducing heating costs.
Ventilation unit Viessmann Vitovent 200-D with heat recovery - air flow up to 55 m3/h
Viessmann Vitovent 200-D, type HRM B55, is a decentralised ventilation unit with heat recovery designed for individual rooms without a central duct system. The unit provides supply and extract air with heat recovery up to 90% and is suitable for rooms up to approx. 25 m2.
Main features and benefits
✔ Air flow up to 55 m3/h - suitable for individual rooms up to approx. 25 m2
✔ Heat recovery up to 90% - effectively reduces ventilation heat losses
✔ Integral control unit with 7 operating modes - background ventilation, reduced ventilation, standard ventilation, intensive ventilation, supply air mode, extract air mode, automatic mode (air quality sensor required)
✔ Integral wireless receiver - for use with a wireless operating switch
✔ Integral frost protection function - reliable operation in cold conditions
✔ Filtration system F7 / G4 - supply air with F7 filter, extract air with G4 filter
✔ Compact internal wall cover - dimensions 340 x 340 x 70 mm (white)
✔ Installation note - wall sleeve and external wall cover are not included and must be ordered separately
Viessmann Vitovent 200-D HRM B55 is an energy-efficient and compact solution for decentralised ventilation with high heat recovery efficiency, suitable for modern and renovated buildings.
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
The Viessmann Vitoair CT 300 SMA is a compact and quiet central ventilation unit with high-efficiency heat recovery. It is suitable for residential buildings and offices up to 280 m², providing fresh air, reducing energy consumption, and ensuring a healthy indoor climate. Thanks to integration with the Viessmann One Base platform, the Vitoair CT 300 SMA can be easily combined with heat pumps, solar panels, and energy storage systems.
Key features and benefits
✔ Airflow capacity up to 300 m³/h - suitable for residential buildings up to ~280 m²
✔ High-efficiency plate heat exchanger - effective heat recovery in winter
✔ Viessmann One Base integration - compatible with Vitocal, Vitovolt and Vitocharge VX3
✔ Flexible installation - supply and exhaust connections on left or right side
✔ Click-and-Go air distribution system - quick and easy installation with minimal costs
✔ Compact design and quiet operation - suitable for installation in living areas
✔ Control via ViGuide and ViCare apps - easy configuration and remote access
✔ Modern design with Vitopearl finish - seamless integration into interiors
✔ Awarded iF Design Award 2025 - recognition for innovation and design quality
Ventilation With Heat Recovery Viessmann Vitoair CT 300 SMA is a reliable and efficient solution for modern households, ensuring comfort and healthy air.
Ventilation With Heat Recovery Viessmann Vitoair CT 450 SMA - compact and quiet central ventilation unit up to 450 m³/h
The Viessmann Vitoair CT 450 SMA is a powerful and quiet central ventilation unit with highly efficient heat recovery. It is designed for larger residential buildings and offices, ensuring a supply of fresh air, reducing energy consumption, and improving indoor climate. Thanks to integration with the Viessmann One Base platform, the Vitoair CT 450 SMA can be seamlessly combined with heat pumps, solar panels, and energy storage systems for a complete energy-efficient solution.
Key features and benefits
✔ Airflow capacity up to 450 m³/h - suitable for larger residential buildings and offices
✔ High-efficiency plate heat exchanger - effective heat recovery during the winter season
✔ Viessmann One Base integration - compatible with Vitocal, Vitovolt and Vitocharge VX3
✔ Flexible installation - supply and exhaust connections on either side as required
✔ Click-and-Go air distribution system - quick and easy installation with minimal costs
✔ Compact design and quiet operation - suitable for installation in living areas
✔ Control via ViGuide and ViCare apps - easy configuration and remote control
✔ Modern design with Vitopearl finish - elegant integration into interiors
✔ Awarded iF Design Award 2025 - international recognition for innovation and design
Ventilation With Heat Recovery Viessmann Vitoair CT 450 SMA is a reliable solution for larger buildings, ensuring energy-efficient ventilation, comfort, and healthy air.
Ventilation With Heat Recovery Viessmann Vitoair CT 600 SMA - central ventilation unit with heat exchanger up to 600 m³/h
The Viessmann Vitoair CT 600 SMA is a powerful central ventilation unit with highly efficient heat recovery. It is designed for large residential buildings and offices up to ~750 m², ensuring fresh air supply, energy savings, and a healthy indoor climate. Thanks to integration with the Viessmann One Base platform, the Vitoair CT 600 SMA can be seamlessly combined with heat pumps, solar panels, and energy storage systems.
Key features and benefits
✔ Airflow capacity up to 600 m³/h - suitable for large residential buildings and offices up to ~750 m²
✔ High-efficiency plate heat exchanger - effective heat recovery during winter
✔ Viessmann One Base integration - compatible with Vitocal, Vitovolt and Vitocharge VX3
✔ Flexible installation - supply and exhaust connections on left or right side
✔ Click-and-Go air distribution system - quick and easy installation with minimal costs
✔ Compact design and quiet operation - suitable for installation in living areas
✔ Control via ViGuide and ViCare apps - easy configuration and remote control
✔ Modern design with Vitopearl optics - seamless integration into interiors
✔ Awarded iF Design Award 2025 - international recognition for innovation and design quality
Ventilation With Heat Recovery Viessmann Vitoair CT 600 SMA is a reliable and efficient solution for large buildings, ensuring energy-efficient ventilation, comfort, and healthy air.
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.
Ventilation With Heat Recovery Viessmann Vitoair CT 300 EMA - for spaces up to 280 m²
The Viessmann Vitoair CT 300 EMA is a central ventilation unit with an enthalpy heat exchanger that provides both heat and moisture recovery. It helps maintain optimal indoor humidity in winter, preventing excessive dryness, and reduces excess humidity in summer. Suitable for residential buildings and offices up to 280 m², the Vitoair CT 300 EMA ensures a healthy and comfortable indoor climate with low energy consumption.
Key features and benefits
✔ Airflow capacity up to 300 m³/h - suitable for residential buildings up to ~280 m²
✔ Enthalpy heat exchanger - recovers both heat and moisture, improving air quality in winter and summer
✔ No condensate drain required - thanks to enthalpy technology
✔ Viessmann One Base integration - compatible with Vitocal, Vitovolt and Vitocharge VX3
✔ Flexible installation - supply and exhaust connections on left or right side
✔ Click-and-Go air distribution system - quick and easy installation with minimal costs
✔ Compact design and quiet operation - suitable for living areas
✔ Control via ViGuide and ViCare apps - easy configuration and remote access
✔ Modern design with Vitopearl optics - seamless integration into interiors
✔ Awarded iF Design Award 2025 - recognition for innovation and design quality
Ventilation With Heat Recovery Viessmann Vitoair CT 300 EMA with enthalpy heat exchanger is the ideal solution for energy-efficient homes, ensuring comfort and healthy air all year round.
Ventilation With Heat Recovery Viessmann Vitoair CT 450 EMA - central ventilation unit with heat and moisture recovery up to 450 m³/h
The Viessmann Vitoair CT 450 EMA is a central ventilation unit with an enthalpy heat exchanger that provides both heat and moisture recovery. This technology helps maintain optimal humidity levels in winter, preventing excessive dryness, and reduces excess humidity in summer. Suitable for larger residential buildings and offices, it ensures a healthy and comfortable indoor climate with high energy efficiency.
Key features and benefits
✔ Airflow capacity up to 450 m³/h - suitable for larger residential buildings and offices
✔ Enthalpy heat exchanger - recovers both heat and moisture throughout the year
✔ No condensate drain required - thanks to enthalpy technology
✔ Viessmann One Base integration - compatible with Vitocal, Vitovolt and Vitocharge VX3
✔ Flexible installation - supply and exhaust connections on left or right side
✔ Click-and-Go air distribution system - quick and easy installation with minimal costs
✔ Compact design and quiet operation - suitable for installation in living areas
✔ Control via ViGuide and ViCare apps - easy configuration and remote control
✔ Modern design with Vitopearl optics - elegant integration into interiors
✔ Awarded iF Design Award 2025 - recognition for innovation and design
Ventilation With Heat Recovery Viessmann Vitoair CT 450 EMA with enthalpy heat exchanger is a reliable solution for larger buildings, ensuring comfort, a healthy climate, and energy efficiency all year round.
Ventilation With Heat Recovery Viessmann Vitoair CT 600 EMA - central ventilation unit with heat and moisture recovery up to 600 m³/h
The Viessmann Vitoair CT 600 EMA is a powerful central ventilation unit with an enthalpy heat exchanger that recovers both heat and moisture. This technology helps maintain optimal humidity levels in winter, preventing indoor air from becoming too dry, and reduces excess humidity in summer. Suitable for large residential buildings and offices up to ~750 m², it ensures a healthy and comfortable indoor climate with high energy efficiency.
Key features and benefits
✔ Airflow capacity up to 600 m³/h - suitable for large residential buildings and offices up to ~750 m²
✔ Enthalpy heat exchanger - recovers both heat and moisture all year round
✔ No condensate drain required - thanks to enthalpy technology
✔ Viessmann One Base integration - compatible with Vitocal, Vitovolt and Vitocharge VX3
✔ Flexible installation - supply and exhaust connections on either side as needed
✔ Click-and-Go air distribution system - quick and easy installation with minimal costs
✔ Compact design and quiet operation - suitable for installation in living areas
✔ Control via ViGuide and ViCare apps - easy configuration and remote control
✔ Modern design with Vitopearl optics - elegant integration into interiors
✔ Awarded iF Design Award 2025 - international recognition for innovation and design
Ventilation With Heat Recovery Viessmann Vitoair CT 600 EMA with enthalpy heat exchanger is the ideal solution for large buildings, ensuring efficient ventilation, comfort, and a healthy indoor climate all year round.