MVHR Units

Heat Recovery Ventilation (MVHR) is a whole house ventilation system which works by extracting dirty stale air (wet area) and supplying clean filtered fresh air into (habitable rooms) while recycling the heat that would normally be discharged to the outside.

BROWSE PRODUCTS

Brands We Work With

A blue logo of the brand "Vent-Axia"
"Airflow" written in dark blue with a blue and red underline and a blue icon depicting a fan air flow symbol.

Vent-Axia

A white ventilation unit with a digital display. The brand name “Vent-Axia” printed on it.

Vent Axia Lo-Carbon Sentinel Kinetic BH

  • Fully automatic summer bypass
  • Heat Recovery efficiency up to 90%
  • Suitable for houses up to 150 m2
A white box with a blue Vent-Axia logo on the front. The box is a Vent-Axia Lo-Carbon Sentinel Kinetic BH Heat Recovery Unit.

Vent Axia Lo-Carbon Sentinel Kinetic Plus

  • Fully automatic summer bypass
  • Heat Recovery efficiency up to 91%
  • Suitable for houses up to 260 m2
A white box with a blue Vent-Axia logo on the front. The box is a Vent-Axia Lo-Carbon Sentinel Kinetic BH Heat Recovery Unit.

Vent Axia Lo-Carbon Sentinel Kinetic Highflow

  • Fully automatic summer bypass
  • Heat Recovery efficiency up to 91%
  • Suitable for houses up to 360 m2

Zehnder

A white ventilation unit with the brand name "zehnder" on it.

Zehnder ComfoAir Q350 ST

  • World class 96% efficiency.
  • 100% full and filtered modulating summer bypass.
  • Suitable for houses up to 200 m2
  • Left or right hand configuration through software alone, no mechanical alteration required.
A white ventilation unit with the brand name "zehnder" on it.

Zehnder ComfoAir Q450 ST

  • World class 96% efficiency.
  • 100% full and filtered modulating summer bypass.
  • Suitable for houses up to 240 m2
  • Left or right hand configuration through software alone, no mechanical alteration required.
A white ventilation unit with the brand name "zehnder" on it.

Zehnder ComfoAir Q600

  • World class 96% efficiency.
  • 100% full and filtered modulating summer bypass.
  • Suitable for houses up to 350 m2
  • Left or right hand configuration through software alone, no mechanical alteration required.
A close-up image of a white appliance with a black lid. The appliance has a Zehnder logo and text “Zehnder ComfoClime” printed on the front.

Zehnder ComfoClime 36

  • Up to 2.6kW cooling capacity.
  • Up to 2.4kW heating capacity.
  • Independently tested cooling and heating capacity to EN 14511 and EN 16573.
  • Simple clean the only maintenance required once every 2 years.

Helios

A white box with a Helios logo on the front. The box sits on a white background.

Helios KWL 200

Compact unit with heat recovery for the central supply and extract ventilation of residential buildings and apartments. Perfectly prepared for modern communication and operation with the new Helios easyControls 3.0 control system incl. integrated network connection. 

A white box with a Helios logo on the front. The box sits on a white background.

Helios KWL 300

EasyControls 3.0 is the new, modern control system for all KWL compact units from Helios. The standard LAN interface allows the simple integration of the KWL unit in a network and the integration in Helios Cloud. The unit is optionally controlled via an external control element.

A white box with a Helios logo on the front. The box sits on a white background.

Helios KWL 500

Made of galvanised steel sheet, powder-coated in white, doublewalled, with 12 mm heat and sound insulation on all sides. Installation-friendly and maintenance-friendly. All elements are easily accessible through removable front panels.

Nuaire

A white ventilation unit with the brand name "nuaire" and text on the bottom saying "MRXBOX".

Nuaire MRXBOXAB-ECO2 Heat Recovery Unit

A white ventilation unit with the brand name "nuaire" and text on the bottom saying "MRXBOX".

Nuaire MRXBOXAB-ECO3 Heat Recovery Unit

A white ventilation unit with the brand name "nuaire" and text on the bottom saying "MRXBOX".

Nuaire MRXBOXAB-ECO4 Heat Recovery Unit

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Mark Heat Recovery Systems offer a wide range of high efficient Heat Recovery Systems to ensure a comfortable and healthy living environment for your home.