Water Heater Requirements

Forms

A CF-1R Form must be submitted with all applications to demonstrate compliance with the 2022 California Energy Code. You can find these forms on the California Energy Commissions or Energy Code Ace websites.

Minimum Requirements

Water Heater Type

When water heater equipment will be added or replaced, the applicant shall identify on the CF-1R Form whether it is gas, propane, or the existing fuel type. An existing electric water heater may be replaced with an electric water heater. Depending on the equipment selected, it is ok to go from gas to electric water heater California Energy Code 150.2(b)(H)(iii)

Water Heater Efficiency

When water heating equipment will be added or replaced, the applicant shall indicate that the water heater efficiency identified on the CF-1R Form meets the minimum water heater efficiency requirements per California Energy Code 150.1(c)8.

Water Piping Insulation

Any newly added or replaced piping shall meet the mandatory insulation requirements of California Plumbing Code 609.12.2 and the California Energy Code 150.1(j). 

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