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Energy Code Ace

Comply with Me

Your one-stop shop for no-cost tools, training, and resources to help you comply with California's Title 24, Part 6 building energy code and Title 20 appliance standards. We're powered by the California Statewide Codes & Standards Program and vetted by the California Energy Commission.

Collection of brief videos (five minutes or less) on topics associated with California's Building Energy Efficiency Standards (Title 24 of the Energy Code) and with California's Appliance Efficiency Standards (Title 20).

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Ace Tools

Virtual Compliance Assistant

We can help you complete your nonresidential forms and verify compliance. Visit the Virtual Compliance Assistance to get started!

a desk showing a form being filled out next to a hard hat and laptop, with a stylized graphic of a form on a clipboard

Looking for the official standards?

The Reference Ace tool helps users navigate the Title 24, Part 6 and Title 20 documents. Features like "pop-up" definitions of defined terms, keyword search capabilities, and hyperlinks that allow you to jump directly to related sections make using the Energy Code documents easier.

the cover for 2022 Building Energy Efficiency Standards for Residential and Nonresidential Buildings showing the title and a graphic of the state of California filled with building shapes and appliances

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Ace Resources

An array of downloadable materials providing practical and concise guidance on how and when to comply with California’s building and appliance energy efficiency standards.

Use this fact sheet if you need to examine the language of the 2025 California Building Energy Efficiency Standards (Energy Code or Title 24, Part 6) for nonresidential residential buildings. Ace Resources Building Inspection Checklist showing types of documents required to be on-site and provided to the building owner. Diagram of profile of wall structure showing water-resistive barrier, rigid foam board, gypsum sheething, fiberglass batt insulation, and wood stud wall.