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What is Title 24?
The California Title 24 Building Energy Efficiency Standards are designed to ensure new and existing buildings achieve energy efficiency and preserve outdoor and indoor environmental quality.
These measures (Title 24, Part 6) are listed in the California
Code of Regulations. The California Energy Commission is responsible for adopting, implementing and updating building energy efficiency. Local city and county enforcement agencies have the authority to verify compliance with applicable building codes, including energy efficiency.
Why are energy standards important?
Since 1978, Energy Efficiency Standards make buildings more comfortable, lower energy costs and reduce greenhouse gas emissions. Standards ensure that builders use the most energy efficient technologies and construction.
Why do the standards need to be updated?
The Energy Commission is required by law to adopt standards every three years that are cost effective for homeowners over the 30-year lifespan of a building. The standards are updated to consider and incorporate new energy efficient technologies and construction methods. The standards save energy, increase electricity supply reliability, increase indoor comfort, avoid the need to construct new power plants and help preserve the environment.
Who supports the standards?
The California Building Industry Association supports the adopted standards as does the Natural Resources Defense Council and other environmental groups, investor owned utilities such as Pacific Gas & Electric and Southern California Edison, and publically owned utilities such as the Sacramento Municipal Utility District.
What buildings are covered by the standards?
All new construction of, and additions and alterations to, residential and nonresidential buildings are covered with the exception of correctional centers, jails, and prisons.
Why do the standards vary by climate zone?
Measures that are cost effective in more extreme climates may not be cost effective in milder climates. Requiring measures by climate zone ensure that a building will have the most energy efficient features for that area. There are 16 climate zones in the state.
(Excerpted from the CEC Title 24 website)