Solar Water Heating Contractor List

There are a multitude of licensed and qualified solar installers that serve San Francisco. SF Environment recommends obtaining bids from at least three different installers, which are typically provided at no cost. 

Top Five Questions to Ask a Solar Water Heating System Installer

  1. How many systems have you installed? In San Francisco?
  2. Which licenses and certifications do you currently hold?
  3. Do you handle rebate and permit paperwork?
  4. What warranty and insurance coverage do you provide?
  5. Do you offer maintenance and/or system monitoring?

Solar Water Heating System Installers Serving San Francisco


1320 Potrero Ave

San Francisco, CA 94110

Phone: 415.641.4000


Occidental Power

3629 Taraval Street

San Francisco, CA 94116

Phone: 415.681.8861


SunWater Solar 

865 Marina Bay Parkway, Suite 39 

Richmond, CA 94804 

Phone: 510.233.0300 


SunLight & Power 

1035 Folger Avenue 

Berkeley, CA 94710 

Phone: 800.233.4786 


Polar Solar 

1812 Polk St. 

San Francisco, CA 94109 

Phone: 800.460.5921 


Free Hot Water 

2146 Bering Drive 

San Jose, CA 95131 

Phone: 408.218.3660 



2409 46th Ave 

San Francisco, CA 94116 

Phone: 415.681.1306 


SunFirst Solar 

3060 Kerner Blvd, Suite W. 

San Rafael, CA 94901 

Phone: 415.458.5870 


Malcolm Plumbing and Mechanical 

115 Quint St. Unit 5D  

San Francisco CA 94124  

Phone: 415.621.1985  

Email:, Inc

5840 Gibbons Dr. Suite H 

Carmichael, CA 95608 

Phone: 916.481.7200    


Free Water Heater Company 

12601 132nd Ave NE 

Kirkland, WA 95131 

Phone: 425.636.7074 



3055 Clearview Way

San Mateo, CA 94402 

Phone: 888.765.2489



201 Cresta Vista 

San Francisco, CA 94127 

Phone: 415.746.0541 


Advanced Home Solar

1356 S 50th St

Richmond, CA 94804 

Phone: 510.540.4860 


Professor Plumb

1310 Potrero Ave

San Francisco, CA 94110

Phone: 415.621.4673


North Coast Solar

1468 Funston Drive

Santa Rosa, CA 95407

Phone: 707.575.3999


If your company is not listed here and would like to be, please send your request to be added to

*This list contains the solar water heating contractors performing work in San Francisco that SF Environment is aware of. The inclusion or exclusion of companies listed does not reflect in any way the quality of service or workmanship of any solar contractor offering their services to San Francisco property owners. Furthermore, the City and County of San Francisco neither endorses nor assumes liability for the quality of work performed by any of these companies. 

Additional Information for Solar Water Heating Contractor List

SF Solar Water Heating Calculator
This calculator only provides a basic estimate to help San Francisco property owners get a first look at how solar water heating can benefit them.