Is my home too draughty for MVHR?

Airtightness pressure test kit installed in retrofit home achieving 1 score

As much as 25% of the heat loss of a building is via air leakages in the building fabric (ie, draughts). The airtightness of the building fabric is therefore an important metric to measure and improve as much as possible… Continue reading

Supremely Efficient Dutch Barn New Build with High Performance Cooling via MVHR

Cross-laminated timber beams on show with the MVHR supply valve at low level

Heat, Space and Light Ltd has recently completed the design, supply and commissioning of an MVHR system with cooling via a reversible air source heat pump at a Dutch barn-style new build in Northamptonshire. The home has been built with… Continue reading

MVHR system balancing and handover in Surrey luxury eco new build

MVHR system installed into plant room next to Air Source Heat Pump and hot water cylinder

Our MVHR design and commissioning team has recently completed the detailed ductwork design, supply of materials and balancing of our Mechanical Ventilation with Heat Recovery system (MVHR) at a highly sophisticated new build home in Surrey. As part of our… Continue reading

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 friends at Apex Ventilation, the MVHR system forms part… Continue reading

Flat 51mm ducting MVHR system installation in low ceiling building

Flat 51mm semi-rigid ducting running pinned neatly to ceiling joists to prevent loss of room height

The Heat, Space and Light team has designed and supplied a flat 51mm semi-rigid ducting MVHR system for a home in London, in order not to lose any room height. The ducting measures a mere 51mm in height, is crush-proof… Continue reading

MVHR compatibility with underfloor heating, air conditioning, heat pumps and cooker hoods

This article will explain MVHR’s compatibility with other mechanical services within the home such as underfloor heating, air conditioning, heat pumps and cooker hoods. An MVHR system is a future-facing home technology that will help achieve the UK’s low carbon… Continue reading