Space-saving MVHR in small London end-terrace new build annexe

MVHR installed in black-clad eco home central London

Heat, Space and Light has installed an MVHR system into a small two-bedroom home built on what was previously the side garden area of a London end-terrace. With a floor area of less than 95m2, every square metre counted for this project internally. The Heat, Space and Light design team worked very hard to ensure … Read more

90mm semi-rigid radial MVHR ducting installation in London deep energy retrofit

90mm semi-rigid ducting in webbed joists and passing through core-drilled blockwork wall for MVHR system

The first fix MVHR installation of a 90mm radial ducted Mechanical Ventilation with Heat Recovery (MVHR) system continues. Designed and supplied by Heat, Space and Light Ltd and installed by our recommended third party installers, the MVHR system forms part of the low energy retrofit of a 340m2 Georgian home in Finchley, London N2. The … 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