Program Information

Building Energy Efficiency Standards - Title 24

Transforming California's buildings through standards for newly constructed buildings and alterations and additions to existing buildings.

Energy Efficiency in Existing Buildings

Achieving greater efficiency in existing buildings will require an array of creative, systemic solutions. The strategic plan will guide these efforts.

Building Energy Benchmarking Program

Reporting building characteristics and energy use data, known as benchmarking, is required for certain types of commercial and multifamily buildings.

Home Energy Rating System Program - HERS

The program addresses construction defects and poor equipment installation, including HVAC systems and insulation, by evaluating homes.

Acceptance Test Technician Certification Provider Program - ATTCP

The program ensures that lighting control and mechanical contractors comply with the Energy Standards in nonresidential buildings.

Manufacturer Certification for Building Equipment

A list of equipment, products, and devices certified to the Energy Commission to meet the Building Energy Efficiency Standards.

Related Events

November 21, 2019 | 10:00 AM - 11:00 AM
On November 21, 2019, California Energy Commission staff will present a webinar on California’s energy efficiency regulations for spray sprinkler bodies that become effective on October 1, 2020. Discussion items will include definitions, test methods, and performance requirements.
December 11, 2019 | 08:00 AM - 05:00 PM
Art Rosenfeld Hearing Room
The Energy Commission will hold its regularly scheduled business meeting. The agenda is usually available about 10 business days before the date of the meeting. Please go to the Business Meetings Page.  

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