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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How to Operate Your ERV or HRV

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Drain Water Heat Recovery + Net Zero Ready Homes: A Passive Technology Comes of Age

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OBC 2024: New Updates for Ventilation Requirements in Homes

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Advanced Domestic Hot Water Options

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Multi-Family Challenges

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Air Tightness Champs Fall 2024

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Air Barrier Detailing in Attached Housing: Compartmentalization

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What Counts When Counting Carbon

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Under-Slab Insulation - Impact on Basement Comfort, Moisture Control and Indoor Air Quality

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