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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June 22, 2026

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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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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The Heightened Interest in Indoor Air Quality

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Air Tightness Champs Fall 2023

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Net Zero Ready Homes and BIG Exhaust Appliances

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Residential Peak Loads: A New Tool To Evaluate Canadian Homes. Electrification Is Coming. What Is the Impact on New and Existing Homes?

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A Better ACH Metric for Small or Attached Canadian Homes—NLR vs ACH

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