Central mechanical ventilation
Central mechanical ventilation system with heat recovery for convenient ventilation of residential spaces up to 90 m².
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Air flow: up to 150 m³/h
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Saving on energy costs
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Heat recovery up to 89%
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Compact ventilation unit
Your local Viessmann sales partner will provide you with individual advice.
Reducing heating costs
By recovering heat from exhaust air
Heat recovery
up to 89%
Compact design
Ideal for ceiling/wall mounting in small houses and apartments
Ventilated living space
Approximately 65 to 90 m²
Low overall height
Only 19.8 cm
Protection of building fabric
Plus good air quality thanks to the adapted air exchange rate
Outdoor air filtration
Useful for people with allergies
Constant flow and balance control
Maintains a constant flow rate independent of static pressure
Quick and easy flow adjustment
Via remote control
Built-in preheating coil
For frost protection and efficient heat recovery all year round
Passive cooling function
Through the integrated summer bypass
Compact mechanical ventilation system for ceiling or wall mounting with heat recovery for modernization projects
With the Vitovent 300-C mechanical ventilation unit, Viessmann offers a solution that’s particularly suitable for controlled ventilation of apartments. Particularly after implementing energy-saving measures and insulating the exterior walls, the building envelope becomes more airtight and requires adequate ventilation to protect the building’s fabric. Otherwise, there’s a risk of mold growth due to excessive indoor humidity.
Product Features
The Vitovent 300-C impresses with its compact, slim design. It can be easily concealed in suspended ceilings, such as in a hallway, where ventilation ducts for the rooms on either side can be installed. Vertical wall installation is also possible, for example in a storage room.
The maximum air supply of 150 m3/h is sufficient for comfortable ventilation of rooms ranging from 65 to 90 m2 .
The Vitovent 300-C ventilation unit utilizes up to 89 percent of the latent heat in the exhaust air, warming the cold outside air using a cross-counterflow heat exchanger. This saves energy and reduces heating costs year-round.
The standard package includes an automatic bypass circuit for warmer months. Fresh, cool supply air can be directed past the heat exchanger directly into the room, achieving passive cooling.
Although this compact unit already operates very quietly, additional insulation measures may be necessary depending on the installation location. Suitable system accessories include a blind distributor for integration into the unit, as well as sound attenuators for the outside and exhaust air.
The Vitovent 300-C mechanical ventilation system also helps allergy sufferers breathe easier. The filtration system, which includes an additional pollen filter, removes allergens and harmful substances from the supply air, creating an irritant-free environment.
High ease of use
The following operating methods are possible for the Vitovent 300-C ventilation unit:
- Via the Vitotronic 200 (WO1C) heat pump control unit
- Via the ventilation programming unit, type LB1 (with a convenient graphic display)
Product details
| Air flow |
Up to 150 m3/h |
|---|---|
| Energy efficiency class* |
Time control: A | Central demand management: A | Local demand management: A | *In accordance with Commission Delegated Regulation (EU) No 1254/2014 |
| Heat recovery |
up to 89% |
| Scope of application |
Apartments, living space up to approximately 90 m2 | New construction and modernization projects |
| Installation type |
Wall or ceiling mounting |
| Additional features |
The Vitovent 300-W ventilation unit can be connected directly to the Vitotronic 200 (WO1C) heat pump control unit or controlled via an LB1 ventilation programming unit. It features passive cooling with an automatic summer bypass. A built-in preheating heat exchanger provides frost protection and efficient heat recovery year-round. It is certified according to the Passive House Institute (PHI) criteria. |
| Section of the product |
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