Links to the California Energy Commission’s archive for past Building Energy Efficiency Standards, starting in 1978. The Building Energy Efficiency Standards are part of the California’s Building Standards Code (Part 6 of Title 24). Current standards are on the Building Energy Efficiency Standards page.

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1988

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1980

1978

Contact

Building Energy Efficiency Standards - Title 24

Toll-free in California: 800-772-3300
Outside California: 916-654-5106