278: Exploring Insulation and Overheating Risks with Tavis Creswell-Wells
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278: Exploring Insulation and Overheating Risks with Tavis Creswell-Wells
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About this listen
In this episode of The Passive House Podcast, host Matthew Cutler interviews New Zealand building scientist and sustainability specialist Tavis Creswell-Wells of Ecolution about overheating risk, building performance, and lessons from working in the UK. Tavis describes his path from architecture to building science, early research with BRANZ on the Building Energy End Use Study, and later experience in London with large energy modeling and rating systems including BREEAM, WELL, and Part L. He argues New Zealand’s H1 code overemphasizes insulation and lacks requirements to address overheating, while Part L includes lighting, hot water, mechanical systems, and checks at design and completion. The conversation covers glazing, shading, natural ventilation limitations, PHPP overheating constraints, and using TM59 for zoned overheating analysis, and previews the Reimagine Buildings Multifamily online conference.
https://ecolutionsbs.com/ecolution
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