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Heat Pump Water Heaters

BayREN has developed two Assistance Sheets about heat pump water heaters (HPWH) for building department use.

HPWH Technical Assistance Sheet

This sheet summarizes code requirements for HPWH, as well as what to look for on the compliance form and permit application and what to check for in the field at time of inspection.

Heat Pump Water Heaters Technical Assistance Sheet: Download the sheet.

HPWH Assistance Sheet for Accessory Dwelling Units (ADUs)

This sheet provides information about HPWH and installation requirements, focusing on challenges and tips for installing HPWH in ADUs.

Heat Pump Water Heaters for Accessory Dwelling Units: Download the sheet.

Contact Codes & Standards

Do you have a question we haven’t answered? Contact us.