California

Title 24 Multifamily Compartmentalization: What It Means, Who’s at Risk, and How to Pass

Title 24 Multifamily Compartmentalization: What It Means, Who’s at Risk, and How to Pass

by Enrico Bonilauri - July 18, 2026
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California just changed the rules for multifamily construction—and most of the industry hasn’t caught up yet. For the first time, Title 24 requires compartmentalized blower door testing on attached dwelling units. Every unit now has to prove, with a physical……

Design
Title 24 Airtightness: Why Compliance Still Misses Performance

Title 24 Airtightness: Why Compliance Still Misses Performance

by Enrico Bonilauri - June 9, 2026
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The Compliance vs. Performance Gap California likes to present Title 24 as a national leader. On paper, that sounds plausible. The code is long, technical, and full of mandates. But once you read it closely, the picture changes. The newest……

Architectural Design
California Moves Toward Passive House Compliance with AB 368

California Moves Toward Passive House Compliance with AB 368

by Enrico Bonilauri - June 2, 2025
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California AB 368 Passive House Compliance Could Transform Building Efficiency Standards On May 30, the passing of California AB368 Bill marks a significant milestone for the adoption of Passive House in the State, and across the Country. In a major……

Emu News
Get Ready: Summer Building Science Presentations Are Here!

Get Ready: Summer Building Science Presentations Are Here!

by Enrico Bonilauri - May 23, 2025
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Emu’s Summer Presentations Calendar Join us this Summer for a great series of free in-depth webinars and in-person social events. Deepen your knowledge of building science and Passive House and building science, and network with other professionals across the U.S.……

Emu News