Case Studies

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 ...
Loft-fitted Zehnder Q350 MVHR with pre-heater by Heatspaceandlight.com

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 ...

Cotswold new build is 55x more airtight than Building Regs and 3x more airtight than Passivhaus

It is subtle and understated in its impact on UK housing, but this new build bungalow home is one of ...