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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December 4, 2025

Air Tightness Champions Fall 2025

Cheers to our newest Air Tightness Champions! Your skill, care, and dedication to energy-efficient construction are helping shape a stronger standard for airtight, high-performing homes.

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Airtightness Testing in Large Buildings

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Sizing & Selecting ASHPs for Canadian Homes & Cold Climates: There's an App for That!

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Air Tightness Champs Spring 2024

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2030 Window Technology Hits the Market in 2024: An Affordable High Performance Window for Cold Climates Goes Public

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CMHC Mortgage Loan Insurance: Better Financing for Better Performing Multi-family Projects Case Study

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Air Tightness Champs Winter 2024

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Lessons from 2023 and Strategies for the Future of Canadian Homebuilding

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Large Building Air Tightness Testing: Lessons Learned in a Swiftly Growing Industry​

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Prescriptive vs Performance Energy Code Compliance

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