CA · 2026

2025 Title 24 Energy Code

Applies to permit applications filed on or after January 1, 2026, and makes heat pumps the prescriptive baseline for both space and water heating in new single-family homes, alongside updated solar PV sizing requirements. The CEC estimates $4.8 billion in energy savings over 30 years.

Guides for 2025 Title 24 Energy Code are on the way.