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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October 29, 2026

Air Tightness Champions Summer 2026

Congratulations to the summer Air Tightness Champions! Your commitment to quality workmanship and better-performing homes is helping push high performance construction forward.

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

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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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