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

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……

Title 24 Airtightness: Why Compliance Still Misses Performance

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……

2025 NYCECC: Why Passive House is Your Cheat Code

If you work in the New York City AEC industry, you have likely felt the ground shifting beneath your feet. On March 30, 2026, the 2025 New York City Energy Conservation Code (NYCECC) officially becomes the law of the land.……