MVHR and building physics knowledge for healthy, comfortable and energy efficient homes
We’re very pleased that one of our MVHR design, supply and commissioning projects has won an award for the best positive addition as part of a deep retrofit and extension of an existing home at the 2025 AJ Retrofit & Reuse Awards. The project was called Meadow Road and you can read about it here … Read more
If you’re considering installing an MVHR system for your residential project please read on to find out how you can save thousands of pounds. Heat, Space and Light Ltd has pioneered a free MVHR self-installation guided service to great success on around 300 residential retrofit and new build projects across the UK since 2020. Our … Read more
Heat, Space and Light Ltd has completed the design, supply and commissioning of a Passivhaus-specification MVHR ventilation system for a luxury new build in the northwest of England. The home was also tested by our building airtightness team and achieved an incredibly airtight result of 0.76 m3hr/m2 @50Pa. It’s only slightly shy of a fully-certified … Read more
Heat, Space and Light Ltd has completed the fabric airtightness permeability testing and design, supply and commissioning of an MVHR system at a new build in the beautiful Isle of Skye. The low energy home, which faces a bracing cold wind from the ocean, was built in timber frame on site. The home is located … Read more
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 turnkey MVHR design, supply and commissioning service we’ve issued the MVHR Ventilation Airflow Measurement and … Read more
Why aren’t passive houses (AKA Passivhaus) mainstream? Why isn’t every new home built in the UK produced to the design specifications of passive houses? Here I’ll go through what’s bad about passive houses, whether it’s true, and what might be done to fix the problems. 1) Passive Houses are boxy and ugly Passive houses are … Read more