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Quickly find the answers to all your questions in our online knowledge base. Check out the Top Topics below or use the filters on the right to find more.

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What is Title 20?
Occupancy: Single Family, Townhome, Lowrise Multifamily (< 4 stories), Nonresidential, Hotel/Motel, Highrise Multifamily (≥ 4 stories)
Standards Version: 2013 Title 24, Part 6, 2016 Title 24, Part 6, 2019 Title 24, Part 6
What is Title 20?

What is Title 20?



Title 20 Appliance Efficiency Regulations are part of the California Code of Regulations. The Title 20 Appliance Efficiency Regulations are in Chapter 4, Article 4 of California’s overall Title 20 Public Utilities and Energy regulations, but they are often just referred to as Title 20.

Title 20 Appliance Efficiency Regulations include federal and state minimum efficiency requirements for energy and water use in regulated appliances. Federal appliance efficiency standards are mandatory minimums nationwide and cannot be superseded by state regulations, but states can set their own minimum efficiencies for appliances that the federal government does not regulate. Appliances covered in Title 20 include, but are not limited to, water heaters, furnaces, heat pumps, air conditioners, refrigeration, pumps, fan motors, lamps and ballasts, household appliances and consumer electronics.

Appliance efficiency regulations help reduce unnecessary and wasteful energy use and benefit people and the environment. For example, in 2017, the California Energy Commission estimated that appliance standards saved Californians more than 34,000 GWh of electricity annually, resulting in a reduction of greenhouse gas emissions equivalent to those from 5.2 million passenger vehicles.

Manufacturers of regulated appliances for use in California must follow state guidelines to test and label their products. The manufacturers must certify the efficiency of their products to the California Energy Commission to show that the products comply with Title 20 requirements. This certification is required before regulated appliances can be sold in California.

The Energy Commission maintains a searchable public database of certified equipment, the Modernized Appliance Efficiency Database System (MAEDbS), to help building professionals and the general public identify and install energy and water efficient products. Everyone in the sales chain – including manufacturers, distributors, retailers, contractors and importers – is responsible for ensuring regulated products are listed in the MAEDbS.

Learn more about the MAEDbS and how to use it with the Energy Code Ace Title 20 On-Demand Video Training.

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