2025 ECC-Provider Applications will use docket number 25-BSTD-01 
To submit a 2025 ECC-Provider and Residential Data Registry Application, please first review the listed documents, all of which are intended for applications can that be approved before December 31, 2025. See also the note below. 
Note: The HERS Program Regulations for Field Verification and Diagnostic Testing for demonstrating Energy Code Compliance ("HERS I") do not exist in the amended regulations that will be effective January 1, 2026. HERS providers approved under the 2022 Energy Code must apply for approval as an ECC-Provider to maintain compliance with the updated Energy Code regulations. 

The California HERS Program was initially implemented to address building construction defects and improper equipment installations that negatively affect performance and cause energy to be wasted instead of conserved. HERS tested and verified measures cover newly constructed or altered space conditioning, ventilation, and hot water distribution systems and quality insulation installations.

Home Energy Rating System Program - HERS

Contact

Standards Compliance Branch
SCO@energy.ca.gov
Toll-free in California: 800-772-3300
Outside California: 916-654-5106