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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Air Tightness Champs Winter 2025

Announcing the first Air Tightness Champs of 2025! We applaud each builder and their dedicated teams for their remarkable commitment to achieving exceptional building standards. Keep up the fantastic work!

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New, Small, Crazy Smart HVAC Systems for NZR Homes

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

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

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

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

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

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

Part 1: Going Beyond Net Zero Ready Energy Homes: Transitioning Homebuilding to a Low Carbon Future

Critical Canadian Home Building Science Part 9: New 2020 NBC 9.36 Tiered Energy Code: What Does A Tier 3 & 4 Home Look Like?

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