Are free MVHR designs any good?

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

How the price of an MVHR relates to quality and performance

Crushed and bent flexi-duct will increase noise in an MVHR

I’ve written before about the average price of a high quality Mechanical Ventilation Heat Recovery (MVHR) installation, which includes an itemised price for each detailed ductwork layout, materials supply, installation and commissioning (airflow balancing and client handover). Today I’m going to explain (with photos) why the cheaper MVHR units are a false economy, and can … Read more

Where and how to buy an MVHR ventilation system in the UK

Checking the F7 and G4 filters of the Zehnder Q350 MVHR

If you’re building or renovating your home and making the property’s building fabric more insulated and airtight then you may be wondering where, how and from which company to buy MVHR (it stands for Mechanical Ventilation and Heat Recovery) system products. Also known as Heat Recovery Ventilators (HRV), the premium brands in MVHR systems are … Read more