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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.
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.
Ace Resources fact sheet for Accessory Dwelling Units, showing some basic questions and answers, plus the table of contents for this fact sheet.
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.
This program is funded by California utility customers and administered by Pacific Gas and Electric Company (PG&E), San Diego Gas & Electric Company (SDG&E®), and Southern California Edison Company (SCE) under the auspices of the California Public Utilities Commission.

© 2024 PG&E, SDG&E and SCE. All rights reserved, except that this content may be used, copied, and distributed without modification. Neither PG&E, SDG&E, nor SCE — nor any of their employees makes any warranty, express of implied; or assumes any legal liability or responsibility for the accuracy, completeness or usefulness of any data, information, method, product, policy or process disclosed in this document; or represents that its use will not infringe any privately-owned rights including, but not limited to patents, trademarks or copyrights.