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Single room energy recovery ventilator WALLER Wi-Fi CO₂ or RH
Single room energy recovery ventilator WALLER Wi-Fi CO₂ or RH - Image 2

Single room energy recovery ventilator WALLER Wi-Fi CO₂ or RH

WALLER Wi-Fi CO₂ and WALLER Wi-Fi RH are two intelligent variants of the modern WALLER series of wall-mounted single room energy recovery ventilators
Equipped with advanced sensors, they automatically respond to elevated levels of carbon dioxide (CO₂) or relative humidity (RH), adjusting operation in real time to improve indoor air quality.

With a built-in Wi-Fi module and a user-friendly mobile app, these units are ideal for compact facilities like apartments, offices, conference rooms, hotels or cafés.

 

Key features:

  • Automatic adjustment based on CO₂ or RH levels
  • Wireless control via Wi-Fi and a mobile application
  • Regenerative mode with heat and moisture recovery
  • Ductless wall-mounted installation
  • Built-in gravity shutter
  • Quiet, energy-efficient operation with EC motor
  • Ceramic heat exchanger
  • F7 filter + pre-filter
  • Energy class A

PRODUCT DESCRIPTION
TECHNICAL DATA
RELATED PRODUCTS
DOCUMENTATION

Smart decentralised ventilation that responds to air quality

WALLER Wi-Fi CO₂ - In regenerative mode, when the CO₂ level exceeds the preset threshold, the unit automatically switches to supply mode, introducing fresh air to reduce CO₂ concentration.

WALLER Wi-Fi RH - If humidity exceeds the defined level, the unit automatically switches to exhaust mode to reduce indoor humidity.

Automatic operation for maximum comfort

The automatic control features significantly enhance user convenience - no need for manual adjustments. The ventilator takes care of air quality on its own, ensuring a healthier indoor environment.

Ceramic exchanger for Single room ERV wall mounted

Ceramic heat exchanger for efficient energy recovery

In regenerative mode, the unit alternates between supply and exhaust in 75-second cycles, allowing for effective heat and partial moisture recovery. The ceramic heat exchanger maximises energy efficiency and minimises thermal loss.

Full control from anywhere

Thanks to the mobile app, users can access complete control over the unit, set CO₂ or RH thresholds, switch between operating modes, enable schedules, or check device status - all from their smartphone or tablet.

Pobierz z Google Play Pobierz z App Store
single room energy recovery ventilator F7 filter for demanding spaces

Included with F7 filter

Maintain effective and hygienic operation of your WALLER 64 single room energy recovery unit with the F7 filter.

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

Technical specification

Swipe left to see more details

  WALLER Wi-Fi CO₂
Product code WALLER-CO2-2451
Nominal airflow [m3/h] 60
Voltage/Frequency [V/Hz] 100-240 / 50-60
Rated current [A]
3rd/2nd/1st stage		 0,06/0,05/0,04
Heat recovery efficiency [%] 97
Motor power [W]
3rd/2nd/1st stage		 7,8/7/6
IP rating X4
Weight [kg] 4,2
Noise [dB] 32,7
Energy efficiency class A
  WALLER Wi-Fi RH
Product code WALLER-RH-2450
Nominal airflow [m3/h] 60
Voltage/Frequency [V/Hz] 100-240 / 50-60
Rated current [A]
3rd/2nd/1st stage		 0,06/0,05/0,04
Heat recovery efficiency [%] 97
Motor power [W]
3rd/2nd/1st stage		 7,8/7/6
IP rating X4
Weight [kg] 4,2
Noise [dB] 32,7
Energy efficiency class A

Filters

  WALLER 64 WALLER Wi-Fi WALLER CO₂/RH
F7 Filter 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, CAD models, and more.

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

serwis@reventongroup.co.uk

Technical datasheet [TDS]
Technical datasheet Reventon WALLER Wi-Fi CO₂/RH
CE declaration
Declaration of confirmity EC Reventon WALLER
Marketing materials
Leaflet - How does heat recovery unit work?

Related products

Filtr F7

F7 Filter

WALLER

rekuperator inspiro z większą funcjonalnością

Extension duct

Single room ERV

HRV & ERV

For vertical installation

rekuperator inspiro z większą funcjonalnością

ERV INSPIRO

Enhanced functionality

Additional information

64

Airflow range (m³/h)

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

IP X4

IP protection rating

The device's fan has an IP X4 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%.

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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