A1 SUN

A1 Sun is a family owned, Berkeley based residential solar and energy storage design and installation company... A1 Sun is family owned and managed. Larry Giustino began working in solar more than 50 years ago, and has been a part of every major evolution in the technology. Our team of knowledgeable installers and design professionals come from within our local community. Our community is our customer base. We are proud to have installed more than 5,000 Megawatts of renewable power in the Bay Area (and counting!)... A1 Sun is located in Berkeley. We serve the surrounding counties of Alameda, Contra Costa, Marin and beyond.

Also known as: A1 Sun Inc.

Primary location: Berkeley United States