Air extract: G4
Air intake: G4, M5 or F7
Please insert the filters with the arrows pointing in the same direction as the ones molded onto the unit.


Air extract: G4
Air intake: G4, M5 or F7
Please insert the filters with the arrows pointing in the same direction as the ones molded onto the unit.
Meet our Team at the Edinburgh Homebuilding & Renovation Show PAUL Heat Recovery is exhibiting on the 9th and 10th May 2026. Please visit us…
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…
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…