Case Studies

Flat 51mm semi-rigid ducting running pinned neatly to ceiling joists to prevent loss of room height

Flat 51mm ducting MVHR system installation in low ceiling building

The Heat, Space and Light team has designed and supplied a flat 51mm semi-rigid ducting MVHR system for a home ...
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Old MVHR unit before replacement in the loft

High performance MVHR upgrade to improve home comfort

Heat, Space and Light Ltd has replaced and re-commissioned an under-performing MVHR unit with a brand new 91% efficient Zehnder ...
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Airtightness Test Kit mounted in hallway of London retrofit 2021

Forensic airtightness test gives 30% lifetime heating bill savings

Heat, Space and Light Ltd technicians have conducted forensic airtightness testing on a renovated London Victorian end-of-terrace. The results of ...
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Loft-fitted Zehnder Q350 MVHR with pre-heater by

MVHR retrofit design and installation in a 100-year old cottage

We have completed the design and first fix installation of a Zehnder Q350 MVHR system with ComfoTube ducting into a ...
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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 ...
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