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 Champions Spring 2026

A big congratulations to the next group of Air Tightness Champions! Your focus on airtightness and building performance is making a measurable impact on the homes being built today.

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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?

Critical Canadian Home Building Science Part 8: Intentional Design for Occupant Comfort in Homes

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