Building Science Blog

Discover relevant and practical information at the leading edge of high performance residential construction, created and curated by industry training experts and real contractors. Whether you need building science research or construction details and advice, you’ll find it here – anytime you need it.

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March 30, 2023

Air Tightness Champs Winter 2023

Through the Air Tightness Champion recognition, we wish to showcase builders and renovators who have established best practices and are consistently building to excellent air tightness levels. The homes recognized are not always the tightest buildings that have been built but rather represent builders consistently building to industry-leading levels.

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Air Tightness Champs Winter 2023

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Part 1: New Tiered Energy Code Cost Take-Down Event!

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New, Small, Crazy Smart HVAC Systems for NZR Homes

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Not All Heat Pumps Are Created Equal: Right-Sizing, Right Selection of ASHP (and Dual Fuel Systems)

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CHBA NZ Home Program: 1,000 Homes and Counting—5+ Years of Lessons Learned

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Canadian Home Builders: Carbon Counting Is Coming and So Are Tiered Energy Codes

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Critical Canadian Home Building Science Part 11: The Growing Barriers NZ Builders and Communities Face With Renewables, PV, Energy Management and More

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Critical Canadian Home Building Science Part 10: Historical Homes & Deep Energy Retrofit (NZ Reno) Challenges

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Part 2: Going Beyond Net Zero Ready Energy Homes: Transitioning Homebuilding to a Low Carbon Future

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