The Building Energy Efficiency Standards (Energy Code) apply to newly constructed buildings, additions, and alterations. It is a vital pillar of California‚Äôs climate action plan. The 2025 Energy Code pre-rulemaking activities include research and gathering of information necessary to conduct a formal rulemaking proceeding.  

For more information and updates please visit 2025 Building Energy Efficiency Standards.

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Building Energy Efficiency Standards

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Proceedings
Building Energy Efficiency Standards - Title 24