Blue logo with a city skyline inside a shield shape and the word 'CHEERS' next to it.
A logo for AHI Certified with a blue background, white text, and the website www.ahricertificate.org, featuring the tagline 'Globally Recognized. Industry Respected.'
Cover page of a manual with a green outline of California filled with icons of houses, windows, and energy-saving devices. The text reads '2025 Single-Family Residential Compliance Manual for the 2025 Building Energy Efficiency Standards. Energy Conservation Manual. California Energy Commission logo with a bear and star, dated June 2025.
Cover page of the 2019 Residential Compliance Manual, featuring a green outline of California filled with various house and energy-related icons, and the California Energy Commission seal at the bottom left.
Map of California with climate zones outlined in orange, showing cities such as San Francisco, San Jose, Sacramento, and Fresno, along with national forests like Lassen, Mendocino, and Inyo.

EZ Climate Zone Finder

Logo of the Contractor State License Board (CSLB) with icons representing a paintbrush, a handshake, and construction vehicles.
Cover page of the 2019 California Building Energy Efficiency Standards Reference Appendices, featuring a pink illustration of the California state shape filled with icons representing buildings and energy-related items, and the California Energy Commission logo at the bottom left.
Cover page of the 2022 Nonresidential and Multfamily Compliance Manual featuring a blue outline map of California filled with icons of houses, windows, doors, and energy-efficient features.
Logo for EnergyCodeAce with colorful overlapping rectangles in the background.
Logo of the Home Ventilating Institute with a house roof above the letters HVI and the words 'Home Ventilating Institute' below.
Cover page of the 2025 Reference Appendices for California Energy Efficiency Standards, featuring an orange silhouette of California filled with various building and appliance icons, and the California Energy Commission logo at the bottom left.
Cover page of the 2022 Single-Family Residential Compliance Manual with a green outline of California filled with icons of houses, windows, and energy-efficient features, and the California Energy Commission logo at the bottom left corner.
Logo reading 'AL-AHAM VERIFYDE' with a check mark icon
Cover page of the 2022 California Energy Commission Reference Appendices, featuring an orange silhouette of California filled with icons representing buildings, windows, solar panels, and energy-related symbols, along with the California state seal and a title.