MVHR and building physics knowledge for healthy, comfortable and energy efficient homes
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
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 a series of cross-laminated timber beams gently curved to mimic the dutch barn shape. Now … 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
Lately we’ve been seeing a few MVHR manufacturers offering “free” MVHR ductwork designs with their product sales. If you’re planning an MVHR system in 2022 for your build project you will have likely been offered or found a free MVHR design service yourself. At Heat, Space and Light we charge for our MVHR detailed ductwork … Read more
The top-ten warmest years in the UK have all occurred since 2002 according to the Royal Meteorological Society. And as homes are increasingly built to high levels of thermal efficiency for our cold winters, the risk of new build homes overheating in summer is massive – if not designed with overheating mitigation in mind. We … Read more
Forensic Airtightness Testing and Strategy by Heat, Space and Light Ltd has helped a new build home in Dorset achieve a drop in its final airtightness rate that will result in £100s of heating savings every year, turning it from a leaky home to an airtight home. Forensic air testing improves Air Permeability from 6.4 … Read more