Zehnder

Zehnder, a supplier partner of 21 Degrees, provides high-quality ventilation solutions with Passivhaus-certified MVHR units.
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Zehnder MVHR unit in a house

ComfoAir 160 Luxe

The ComfoAir 160 Luxe is a Passivhaus-certified unit and designed specifically for flats and apartments up to 100m2.

  • Low energy consumption with EC motors
  • Automatic 100% bypass
  • Constant volume motors for guaranteed installed performance
  • Wall or ceiling mounted
  • 100% variable air volume setting
  • Dual-handed unit
  • Air flow rates of 73 – 109m3/h
  • Heat recovery efficiency of 89%
  • Power consumption at 100Pa of 0.36Wh/m3

For advice on which MVHR unit is best for your project, please contact our MVHR design service.

ComfoAir 200 Luxe

The ComfoAir 200 Luxe is a Passivhaus-certified unit and designed specifically for smaller homes and apartments.

  • Low energy consumption with EC motors
  • Automatic 100% bypass
  • Maximum power consumption with pre-heater of 951W
  • Wall or ceiling mounted
  • Integrates simply and flexibly into building services
  • Air flow rates 60 - 1503/h
  • Heat recovery efficiency of 92%
  • Power consumption at 100pa of 0.42Wh/m3

For advice on which MVHR unit is best for your project, please contact our MVHR design service.

Book a MVHR design service and see how we maximise energy efficiency for you.

We’ll work alongside you and your project team to design, advise and install the most suitable MVHR unit and ducting system for your needs and budget.

ComfoAir Q

The ComfoAir Q is a Passivhaus-certified unit for medium to large sized buildings.

  • Passivhaus heat recovery efficiency of 90%
  • 3 models available – 350m³/hr, 450m³/hr and 600m³/hr
  • Unique diamond heat exchanger maximises heat transfer as well as helps overcome air resistance
  • Left/ right configuration offering design & installation flexibility
  • Wall mounted or free standing on mount
  • Low energy consumption with EC motors
  • Automatic 100% bypass
  • Suitable for medium and large size properties: Q350 – up to 250m²/ Q450 – up to 300m²/ Q600 – up to 350m²

For advice on which MVHR unit is best for your project, please contact our MVHR design service.

Download technical information on Zehnder units

Download everything from the Zehnder brochure, datasheets, Passivhaus certificates and installer manuals.

Download technical information

How can we help?

Visit the showrooms

Visit us at our showrooms in Huddersfield and Swindon or catch us at exhibitions around the UK to see our windows and doors.

Request a quote

Tell us about your project, and we'll make sure you get a no-obligation quote from us. Take a step towards a more energy-efficient home today.

Get in touch

We offer a friendly and responsive aftersales service for our windows and door ranges, with a dedicated office and on-the-road aftercare team.

Take a step towards a more energy efficient home today

From triple-glazed and alu-clad windows and doors to exceptional solutions to MVHR, it all starts with finding out your exact requirements.

Request a quote
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