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California's Energy Efficiency Standards for
Residential and Nonresidential Buildings

Title 24, Part 6, of the California Code of Regulations

The Energy Efficiency Standards for Residential and Nonresidential Buildings were established in 1978 in response to a legislative mandate to reduce California's energy consumption. The standards are updated periodically to allow consideration and possible incorporation of new energy efficiency technologies and methods.

2008 Standards - Effective January 1, 2010

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2008 Standards - Went into effect January 1, 2010, and supersede the 2005 Standards. Projects that apply for a building permit on or after this date must comply with the 2008 Standards.

 

California's building efficiency standards (along with those for energy efficient appliances) have saved more than $56 billion in electricity and natural gas costs since 1978. It is estimated the standards will save an additional $23 billion by 2013.

The current 2008 standards may be downloaded from the Web pages listed above, or to obtain a hard copy, contact the Energy Commission's publications unit at 916-654-5200.



If you have questions about Title 24:

Energy Efficiency Hotline
E-mail: title24@energy.state.ca.us
Phone: 916-654-5106 or
Phone: 1-800-772-3300 (toll free in Calif.)