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
If you’re researching installing a Mechanical Ventilation with Heat Recovery (MVHR) system for your project, you may have heard of an Enthalpy heat exchanger or ERV (Energy Recovery Ventilation). But what is an “Enthalpy” heat exchanger? How does it change humidity in the home? And is it expensive to install? The basics of enthalpy heat … Read more
Modern homes are shifting towards increasing levels of airtightness in order to secure heat-saving benefits. With increasing levels of airtightness comes a need for a ventilation strategy. For Passivhaus, this means an MVHR system. Heat from the home is lost in two ways: through the fabric elements as it passes through our walls, windows, doors, … Read more