Sun First Solar
Sun First Solar is based in San Rafael and was established in Northern California in 1984. It designs and installs residential and commercial solar systems, battery storage, and solar pool-heating systems. Battery options include Sonnen Eco, Tesla Powerwall, and Enphase IQ batteries.
Business Highlights
- Sun First Solar is locally owned and operated.
- Sun First Solar says it does not use subcontractors and uses its own installation team.
- Sun First Solar is a certified Tesla Powerwall installer.
- Sun First Solar lists a 25-year manufacturer warranty for its solar panels.
Service Area
Marin, Napa, Sonoma, Lake, Alameda, San Mateo, Contra Costa and other surrounding areas.
Featured on ProsGrade. Sun First Solar is one of 3 solar companies ProsGrade lists in San Rafael, California.
4 services listed, including Residential solar, Commercial solar and Battery storage. Open 4 days a week. Rated 4.4 from 32 reviews.
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- Service information
- Customer review signals
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- Public contact information
- Published local profile
How This Business Compares
How Sun First Solar compares with the other 2 solar companies on ProsGrade in San Rafael, using public Google ratings and review counts.
- One of 3 San Rafael solar companies on ProsGrade.
Services Covered
4 services- Residential solarCustom-designed systems
- Commercial solarCustom solar solutions
- Battery storageSonnen Eco, Tesla Powerwall, and Enphase IQ Battery options
- Solar pool heating
Reviews
What customers say
Several customers praise knowledgeable guidance and clear communication during solar design and installation. One customer says the team coordinated removing old panels with a new roof and reinstalling them afterward. Another describes a panel layout chosen for maximum sun exposure and says the system was running immediately after installation, which began within a month of the estimate.
Customer Reviews
Sam Ramji
elizabeth huntington
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Frequently Asked Questions
What does Sun First Solar handle during a solar project?
It handles design and installation as well as permits, approvals, rebates, and financing.
What financing choices does Sun First Solar offer?
It offers outright system purchases or loans with manageable monthly payments.








