These are the codes for the replacement filters for the ComfoAir Flex 250 and 350:
Please note that the filters are directional and should be installed with the arrows pointing in the same direction as the original filters.
Please do not use pirate filters, as these often have a much higher resistance and can void the warranty of the system.
Passivhaus deemed to satisfy UK NZCBS The Passivhaus standard is now deemed to satisfy certain aspects of the UK Net Zero Carbon Buildings Standard (UK…
Scottish Homebuilding & Renovating Show Glasgow PAUL Heat Recovery is exhibiting at the SEC in Glasgow on the 9th and 10th May 2026. Please visit…
Big Magic Installer Training May 2026 PAUL Heat Recovery hosts a product training event for the Big Magic MVHR system on Thursday 7th May 2026…
Launch of the UK Zehnder Academy As Approved Zehnder Partner we were invited for the official launch of the UK Zehnder Academy in Camberley on…
Find out more about the strategic advantages of this newly developed MVHR unit.
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Have a loof what MVHR maintenance services we offer in central Scotland and further afield.
