Case Study

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

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

We have completed the design and first fix installation of a Zehnder Q350 MVHR system with ComfoTube ducting into a 100-year-old cottage that’s undergoing a low energy retrofit upgrade. The MVHR system will improve the indoor air quality, comfort and energy efficiency, but also protect the century-old building fabric by ensuring indoor humidity is dealt … Read more

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

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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. We pressure tested the home this December using a calibrated airtightness testing fan and it … Read more