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
A detached family home in the Cotswolds has recorded a significant drop in radon levels following the installation of our high performance MVHR system. The home is nestled in an area of outstanding natural beauty, and over the years the homeowner has been improving and renovating the home. Radon levels dropped by more than half … Read more
This article will explain the full itemised costs to fit a high performance MVHR system in a new build or renovated home in the UK. It has now been updated for 2025 prices based on our cross-industry experience of specifying hundreds of MVHR systems over the last few years. Prices have settled across the board, … Read more
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
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 design, supply and commissioning of an MVHR system in a four-storey London terraced home. The property has undergone a deep retrofit to EnerPHit criteria, which is the retrofit standard for Passivhaus. Passivhaus building standards are a stringent methodology using high levels of insulation, airtightness and ventilation with … 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
The Heat, Space and Light Ltd team has completed the design, supply and commissioning of an MVHR system into a whole house deep energy retrofit project in Cambridge. The detached mid-20th Century home has been externally insulated with EPS insulation to make it much more energy efficient at retaining heat. The insulation applied externally also … Read more
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 when building or renovating a home. Equally, a more airtight building also improves comfort, acoustics … Read more