A single‑room ventilation and heat pump solution
ASCOWA is a wall‑integrated exhaust air heat pump designed to supply fresh air that is either heated or cooled before entering the room. The unit is fitted inside the wall itself, with only a small cover visible on the inside and outside after installation.
Each room is served by one unit, allowing individual control of ventilation rate and temperature. The system is controlled via a website or mobile phone, either centrally (for example from a reception desk) or individually by the room occupant.
How ASCOWA works in 3‑step simple steps
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Exhaust air heat recovery - Exhaust air from the room is used in an integrated heat pump process.
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Conditioning incoming fresh air - Fresh outdoor air is preheated or precooled before entering the room.
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Room‑level climate control - Once set, the unit maintains the selected temperature and ventilation rate automatically.
Why Choose ascowa?
No ducts, minimal installation
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No air ducts or distribution systems required
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Installation typically completed in less than one day per room
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Minimal impact on interior and exterior design
Energy efficient operation
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Provides heating and cooling directly to the incoming air
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Electrical consumption typically between 50–55 W depending on settings
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Reduces load on existing heating systems
Quiet and discreet
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As little as 27 dBA sound pressure (measured at 3 m)
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Only small interior and exterior covers are visible
Room‑by‑room control
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Individual control per room
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Central or local control via web interface or mobile phone
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Suitable for occupied and unoccupied room settings
Technical specifications
Title | Value |
|---|---|
Fresh air flow | Up to 38 m³/h |
Sound pressure | As little as 27 dBA (3 m) |
Heating capacity | Up to 370 W to incoming air |
Cooling capacity | Up to 160 W to incoming air |
Electrical consumption | 50–55 W |
Wall thickness | Up to 500 mm (standard version) |
Required wall opening | Minimum Ø128 mm |
typical applications
ASCOWA is suited for projects where traditional ducted ventilation is difficult or undesirable.
Note: ASCOWA can act as the primary heating source in passive or low‑energy buildings. In retrofit projects, it typically reduces the load on existing heating systems.
Hotel rooms
Student housing
Care homes
Retrofit projects
Low energy and passive buildings
Installation and operation
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Installed directly through the exterior wall
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No need to close the building during installation
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One room can be installed at a time
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Maintenance is performed from the insideis suited for projects
ASCOWA units are controlled digitally via a web interface or mobile phone. Settings can be adjusted for individual units or groups of units, allowing flexible operation for occupied and unoccupied rooms.
"A true environmental hero!"
We all care about the environment and what better way to do your part than to install a heat pump that delivers up to 360 Watt heating to the incoming air with less than 55 Watt electrical power?
Even better - you avoid an energy consuming building project to begin with and can rely on the recyclable design of ASCOWA.