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California’s building and energy code, commonly known as Title 24, promotes reduced energy consumption in newly constructed and existing buildings. The energy efficiency standards (Title 24, Part 6) are updated every three years.

The California Building Energy Efficiency Standards is Part 6 of the twelve parts of the building regulations in the California Code of Regulations, Title 24. The code establishes the minimum energy efficiency requirements that all new construction and additions/alterations to buildings are subject to in order to get a building permit.

Title 24 compliance can be demonstrated by either:

  • A prescriptive path where projects must follow mandatory measures to be included in the design, or
  • A whole building performance path that uses energy modeling to analyze the system impacts of building envelope, HVAC systems, domestic hot water, and lighting.

Project teams must provide compliance form CF-1R (residential) or PERF-1 (non-residential) to the local jurisdiction Building Department for the plan check submittal in order to be permitted for construction.

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