Heat pump water heater (HPWH)

Residential methane gas use Pie chart: Hot water 41%, Range/oven 5%, Dryer 2%, Misc 2%, Space Heat 50%

Residential methane gas use (California Residential Appliance Saturation Study – 2009)

If you’re planning to transition to a clean energy home, your water heater is a great place to start. At least 40% of the methane gas used by homes is for heating water.

Heat pump water heaters are clean, safe and all-electric. Peninsula Clean Energy is partnering with the Bay Area wide BayREN Home+ program to offer additional rebates for installing Heat Pump Water Heaters for San Mateo County residents.

See below for rebates and next steps for a HPWH for your home.

Benefits of Heat Pump Water Heaters

More efficient

At least three times more efficient than methane gas water heaters


No gas combustion emissions or hazards

Cleaner environment

HPWHs powered by Peninsula Clean Energy use carbon-free electricity


HPWHs can operate during power outages with solar + battery backup

HPWH Rebates

Heat Pump Water Heater*
Peninsula Clean Energy
Replace methane gas water heater (any size)
Replace electric resistance water heater (>60 gals size)
Additional Bonus Incentives
CARE/FERA customers
Electrical panel upgrade to 100 amps
Electrical panel upgrade to 200 amps

*Heat pumps must have UEF of 3.1 or greater
**Combined rebates are not to exceed project costs
***Available until 9/30/2021


For San Mateo County residents

Must use a BayREN Participating Contractor (see table)

Your BayREN Participating Contractor will submit the rebate application for you and will make sure that all available incentives are applied.

BayREN Home Energy Advisors are available to assist the customer throughout the process.

Next steps

  1. Plan your HPWH project, using BayREN Home Energy Advisors for assistance as needed.
  2. Install an eligible HPWH through a BayREN Participating Contractor (see list below).
  3. Your BayREN Participating Contractor will submit the application for you, using the BayREN portal. Only one application is needed to receive all applicable rebates.
  4. Receive rebate: The application will be processed and a rebate checks sent to you from Peninsula Clean Energy and BayREN.

Find a BayREN Participating HPWH Contractor

These BayREN Participating Contractors install HPWHs in San Mateo County.

If you have a preferred contractor that is not on this list, please encourage them to apply to become a BayREN Participating Contractor.

San Mateo County Contractors
Alternative HVAC Solutions Inc.Mike Rebholtz(650) 322-4328 EmailEN
EmeraldECOEric Sweet(415) 515-2405 EmailEN
Shoreway PlumbingAbraham Flores(650) 257-3153 EmailEN
Other Contractors Serving San Mateo County
A-1 Heating and Cooling, IncBrad Gentile(408) 283-9915 EmailEN
Absolute AirAnthony Mercure(925) 228-8490 EmailEN, ES
AIS Heating And Air ConditioningVeronica Rodriguez(510) 792-4328 EmailEN
Bellows Plumbing, Heating & AirMain Office(831) 477-7150 EmailEN, ES
Building EfficiencyAlex Ballete(415) 831-4535 EmailEN
Cobalt Construction
Dave Loperena
(408) 500-6396
EmailEN, ES
DG Heating & Air ConditioningMichael D'Angelo(408) 201-9411 EmailEN, ES
Residential Heating and Air Conditioning, Inc.
Cathy Haire(408) 377-4073 EmailEN
Valley Heating, Cooling And ElectricalFront Office(408) 294-6290 EmailEN, ES

Peninsula Clean Energy does not benefit from the use of these links or selection of any contractor appearing here. Further, Peninsula Clean Energy does not guarantee the quality of work of contractors on this list.