High performance MVHR upgrade to improve home comfort: Case Study

Close-up of an MVHR unit

Heat, Space and Light Ltd has replaced and re-commissioned an under-performing MVHR unit with a brand new 91% efficient Zehnder MVHR in a self-built eco home in Glastonbury. The old MVHR was a weak link in an otherwise exceptionally high… Continue reading

MVHR compatibility with underfloor heating, air conditioning, heat pumps and cooker hoods

Internal fan of an air source heat pump

This article will explain MVHR’s compatibility with other mechanical services within the home such as underfloor heating, air conditioning, heat pumps and cooker hoods. An MVHR system is a future-facing home technology that will help achieve the UK’s low carbon… Continue reading

Case Study: Forensic airtightness test provides 30% lifetime improvement on heating bills, comfort and acoustics

Smoke Pen Analysis during a retrofit Airtightness Pressure Test by Heat, Space and Light Ltd

Heat, Space and Light Ltd technicians have conducted forensic airtightness testing on a renovated London Victorian end-of-terrace. The results of the four-hour visit will have improved its comfort, energy efficiency and acoustics by up to 30 per cent, and lowered… Continue reading

Case Study: Cotswold new build is 100x more airtight than Building Regs and 6x more airtight than Passivhaus

It is subtle and understated in its impact on UK housing, but this new build bungalow home is one of the most energy efficient buildings in the world – and represents the future of housebuilding in the UK and Europe.… Continue reading

What’s the difference between an MVHR Heat Exchanger and an Enthalpy that recovers moisture?

Enthalpy Heat Exchanger ERV MVHR

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… Continue reading