Cheap MVHR vs Expensive MVHR

Is this how all new homes should be built in 2023? (Case Study)

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MVHR kitchen extract grille with grease filter in luxury home

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

Cheap MVHR or expensive MVHR? The science behind Heat Exchanger Efficiency

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Building dust is visible inside the heat exchanger as the filter doesn't fit properly - this will damage the heat exchanger

A Mechanical Ventilation Heat Recovery (MVHR) unit is a cornerstone of a low energy home with healthy indoor air. There are a lot of MVHRs on the market, and one way to compare between another is to look at its Heat Exchanger Efficiency score. Today I’ll explain what to watch for when comparing a cheap … Read more