Passive Haus Trust - Greenwood

Passive Haus Trust

The Passivehaust Trust is an independent, non-profit organisation that provides leadership in the UK for the adoption of the Passivehaus standard and methodology

Passivehaus is a leading international low energy design standard and over 37,000 buildings has been designed built and tested to the standard throughout the world.  The Trust aims to promote the principles of Passivehaus as a highly effective way of reducing energy usage and carbon emissions from buildings in the UK as well as providing high standards of comfort and building health.

As component supplier and manufacturer member we are closely aligned with the application of ventilation within Passive Haus designs

We offer a full range of Passive Haus accredited Heat Recovery systems suitable for small apartments to very large houses and offer a full CAD design service for single dwellings to multiple dwelling builds.

Passive Haus Accredited Heat Recovery  CA350 Passive Haus Accredited Heat Recovery

Our Passive Haus Accredited Heat Recovery Systems are available through out Zehnder Comfosystems range and include our CA160, CA200, CA350 and CA550 models - alternativey you can view the range to decide which is the most suitable option.

We have two experts in Passive Haus within our Technical Services team who can also provide support and help with dwelling designs and unit and ducting selection - you can contact them on 01903 777135 or email

Zehnder Group