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

Optimizing Winter Humidity and Water Use

Net Zero Ready Home Energy Monitoring System

The Mechanisms and Measurement of Air Leakage in Houses

WUFI on the Side: A Quick Intro to Hygrothermal Modeling of Standard Walls and Why Code Walls With 6 Mil Poly VB May Be the Riskiest for Builders

Climate Adaptation & Mitigation Is Coming to a Building Code Near You

Air Tightness Champs Summer 2024

Is It Time for Another Look at Insulated Concrete Forms?

Sizing Heat Pumps

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