Single room energy recovery ventilator WALLER 64

The WALLER 64 single room energy recovery ventilator is a modern device designed for residential and commercial spaces where traditional ERV and HRV systems are not applicable. This unit combines supply and exhaust functions, ensuring efficient air exchange with both heat and moisture recovery.

Thanks to its compact design and remote control capabilities, the decentralised WALLER 64 provides comfortable ventilation, easy operation and real energy savings – whether at home or in the office.

Key features:

Energy recovery via ceramic heat exchanger
Fan with reversible EC motor and gravity shutter
Ductless installation
Operation in regenerative or ventilation mode
Remote control operation
Eligible for subsidies (e.g. the “Clean Air” program)

PRODUCT DESCRIPTION

TECHNICAL DATA

Complies with the “Clean Air” program requirements

The WALLER 64 features an energy efficiency rating of Class A, making it fully compliant with the requirements of the “Clean Air” subsidy program.

In many EU countries, mechanical ventilation with heat recovery is mandatory in new buildings (e.g. homes with energy performance certification). By choosing Reventon decentralised energy recovery ventilators, you ensure full compliance with these requirements, enabling eligibility for certification or financial support.

Efficient ductless ventilation

Single room energy recovery ventilation unit

Comfortable ventilation with heat recovery technology

The WALLER 64 is designed for wall installation and is ideal for situations where there is no space or need for a traditional ducted ventilation system. It’s a perfect solution for homes, apartments, offices or commercial premises.

Ceramic heat exchanger for heat and moisture recovery

Thanks to the ceramic heat exchanger, the wall-mounted energy recovery ventilator efficiently transfers energy from the used air to the incoming fresh air.

This significantly reduces thermal energy loss and helps lower heating costs.

Ceramic exchanger for Single room ERV wall mounted

Flexible operation modes and easy control

The device can be controlled using a remote and operates in two primary modes:

Regenerative mode - offering heat recovery through alternating supply and exhaust operation
Ventilation mode - enabling independent supply or exhaust operation (requires two units working synchronously to provide balanced air exchange)

Optional F7 filter

Maintain effective and hygienic operation of your WALLER 64 wall-mounted heat recovery unit with the optional F7 filter.

The F7 filter offers ISO ePM1 ≥ 50% protection for more demanding environments.

single room energy recovery ventilator F7 filter for demanding spaces

Technical specification

Swipe left to see more details

	WALLER 64
Product code	WALLER-64-2046
Nominal airflow [m3/h]	20 - 64
Voltage/Frequency [V/Hz]	230/50-60
Rated current [A]	0,08
Heat recovery efficiency [%]	92
Motor power [W]	12
IP rating	22
Weight [kg]	3,4
Noise [dB]	12/27,5/31,9
Energy efficiency class	A

Filters

	WALLER 64	WALLER Wi-Fi	WALLER CO₂/RH
F7 (optional)	1 x FEU7-WALLER-2448	1 x FEU7-WALLER-2448	1 × FEU7-WALLER-2453

Files to download

Here you will find: user manuals, CE compliance declarations, product brochures, CAD models, and more.

If you can't find the file you're looking for in our library, please contact us. We'll be happy to help.

serwis@reventongroup.co.uk

Technical datasheet [TDS]

Technical datasheet Reventon WALLER

CE declaration

Declaration of confirmity EC Reventon WALLER

Marketing materials

Leaflet - How does heat recovery unit work?

Additional information

20 - 64

Airflow range (m³/h)

The ERV can ensure up to 64 m³/h airflow (depending on a model).

IP 22

IP protection rating

The device's fan has an IP 22 protection rating, meeting the requirements of the European Directive 2009/125/WE (ErP 2015)

-20 50+

Temperature range

The fan is designed to operate with air temperatures from -20°C to +50°C and a relative humidity of ≤80%.

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FAQ

Below you will find the most frequently asked questions about single room energy recovery ventilators.

1Which decentralised WALLER heat recovery ventilator should I choose for my room?

WALLER single room energy recovery units are used in spaces where a standard central ventilation system with heat recovery cannot be installed.
The choice mainly depends on the room’s specific ventilation needs.

For example, you can choose the standard WALLER Wi-Fi model if you require basic ventilation with heat and moisture recovery.

A decentralised unit with a CO₂ sensor is suitable for spaces where carbon dioxide levels may increase, such as kitchens or boiler rooms. The single room unit automatically adjusts humidity levels according to the set value.

You can also choose a wall-mounted unit with an RH (humidity) sensor for locations where moisture removal is essential, such as basements or bathrooms.

2Can I install WALLER CO₂ and WALLER RH single room ventilators in the same room?

Yes. Such a combination ensures even better air quality. For example, in a house of around 100 m², the WALLER RH can be installed in the toilet instead of a standard exhaust fan, and the WALLER CO₂ in the living room. This setup provides the most efficient air circulation, maintaining air quality according to the set parameters.

3What type of heat exchanger is used in WALLER single room units?

WALLER units feature a ceramic heat exchanger that enables both heat and moisture recovery.

4Is the Wi-Fi module available in every WALLER unit?

No. The Wi-Fi module is not available in the WALLER 64. To control a wall-mounted heat recovery unit via a mobile app, you need to choose a unit from the WALLER Wi-Fi series or WALLER Wi-Fi CO₂/RH.

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