Single Room Energy Recovery Unit WALLER
The WALLER 64 wall-mounted energy recovery unit is a modern device designed for residential and commercial rooms where traditional ventilation units cannot be used. It combines supply and extract functions, ensuring effective air exchange with heat and humidity recovery. Thanks to its compact design and remote-control capability, WALLER 64 provides comfortable ventilation, easy operation and real energy savings at home or in the office.
About the product
WALLER 64 is a decentralised wall-mounted heat recovery ventilator, designed for direct wall installation — without the need for a conventional duct system. It is a solution for homes, apartments, offices and commercial premises where a standard centralised ventilation unit is not applicable.
The unit combines supply and exhaust functions, providing effective air exchange with heat and moisture recovery. Energy recovery is achieved by a modern ceramic heat exchanger that transfers heat from the exhaust air to the supply air, reducing thermal energy losses and lowering heating costs.
The reversible EC motor fan with gravity shutter can operate in regenerative mode (alternating supply and exhaust with heat recovery) or ventilation mode. The compact design, remote control operation and energy class A — which qualifies for the “Clean Air” programme — make WALLER 64 a convenient and economical ventilation solution.
Key features
- Heat and moisture recovery via ceramic heat exchanger
- Fan with reversible EC motor and gravity shutter
- Ductless installation
- Regenerative or ventilation operating mode
- Remote control operation
- Eligible for subsidy (“Clean Air” programme)
Why choose the WALLER 64 heat recovery ventilator?
Ceramic heat exchanger for heat and moisture recovery
Thanks to the modern ceramic heat exchanger, the wall-mounted heat recovery ventilator effectively recovers energy from the exhaust air and transfers it back to the supply air returning to the room.
This in turn reduces thermal energy losses and, as a result, lowers heating costs.
Flexible operating modes and easy control
The unit can be controlled via remote control and operates in two main modes:
- Regenerative — offering heat recovery through alternating supply and exhaust operation
- Ventilation — enabling independent operation as supply or exhaust (requires two synchronised units for balanced ventilation)
Optional F7 filter
Ensure effective and hygienic operation of your WALLER 64 wall-mounted heat recovery ventilator with the optional F7 filter. F7 filter with ISO ePM1 ≥50% protection level for more demanding spaces.
Do you have any questions?
Need technical support? Call us or send a message!
Technical specification
| Parameter | WALLER 64 |
|---|---|
| Product code | WALLER-64-2046 |
| Nominal airflow [m³/h] |
Stage 1 — 20 Stage 2 — 40 Stage 3 — 64 |
| Voltage / frequency [V/Hz] | 230 / 50–60 |
| Rated current [A] | 0,08 |
| Max. heat recovery efficiency [%] | 92 |
| Motor power [W] | 12 |
| Motor protection rating IP | 22 |
| Weight [kg] | 3,4 |
| Noise level* [dB] |
Stage 1 — 12 Stage 2 — 27.5 Stage 3 — 31.9 |
| Energy efficiency class | A |
* measured in accordance with the standard
Filters
| Filter | WALLER 64 | WALLER Wi-Fi | WALLER CO₂/RH |
|---|---|---|---|
|
Filtr F7 optional |
1 × FEU7-WALLER-2448 | 1 × FEU7-WALLER-2448 | 1 × FEU7-WALLER-2453 |
FAQ
WALLER wall-mounted heat recovery units are used in rooms where conventional centralised heat recovery cannot be installed.
The choice mainly depends on the room's requirements.
- For example, the standard WALLER Wi-Fi model can be chosen when basic ventilation with heat and moisture recovery is required.
- A decentralised unit with a CO2 sensor can be chosen for rooms where CO2 levels may rise, e.g. boiler rooms. The wall-mounted unit automatically adjusts to the set humidity level.
- A wall-mounted unit with an RH (humidity) sensor can also be chosen, e.g. in places where moisture removal is critical, such as basements or bathrooms.
Yes, this combination will provide even better air quality. For example, in a home of approx. 100 m², WALLER RH can be installed in the bathroom instead of a standard fan, and WALLER CO2 in the living room. This arrangement provides the most effective air circulation, maintaining air quality relative to the set parameters.
WALLER heat recovery units feature a ceramic heat exchanger enabling heat and moisture recovery.
No, the Wi-Fi module is not available in the WALLER 64. To control the wall-mounted unit via a mobile application, a unit from the WALLER Wi-Fi or WALLER Wi-Fi CO₂/RH series must be purchased.
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