MVHR Commissioning of a Zehnder ComfoAir Q600 with ComfoCool unit completed

Complicated ducting for an MVHR system with ComfoCool

14 June 2017: Today we finished the final stage of what was a complete design, supply, install and commissioning of a Zehnder ComfoAir Q600 Mechanical Ventilation with Heat Recovery (MVHR) system – that also features cooling air-conditioning. Although we’ve commissioned many Zehnder and PAUL MVHR units in the past, this was the first time we … Read more

Can you open the windows in a PassivHaus?

Zehnder Comfoair MVHR installed in utility room

One of my friends remarked today that their colleague was asking about that “German eco home, the one where you can’t open the windows…” The idea that you can’t open the windows in a Passive House comes from a misconception regarding the clever way that Passive Houses regulate the heating and cooling of a home. … Read more