6 local companies ranked by 805 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated solar installers in San Jose are Valley Heating, Cooling, Electrical and Solar (4.9★, 365 reviews), Sunlight Concepts | Natural Daylighting and Ventilation System - Solatube Dealer (4.9★, 266 reviews), Greentech Renewables San Jose (5.0★, 20 reviews).
Together these 6 companies average 4.9★ across 805 reviews. Valley Heating, Cooling, Electrical and Solar has the most reviews (365).
Ranked by Google rating weighted by review count, collected September 2026. Rankings are never paid for. How we rank and how we make money.
Listed here? Get your free top-rated badge for your website.
For a 7 kW home system ($3.20 to $5.50 per watt, the middle 60% of US home systems in 2023). Your home may cost more or less.
Financing or future programs may still help. Check the rebate page before you sign.
Price source: Lawrence Berkeley National Lab, Tracking the Sun. Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.
Pick up to 3 companies and tell them what you want done. We send your request straight to them. Free, no obligation.
San Jose averages about 5.4 peak sun hours a day, more than 94% of the 123 cities we track. As a rough guide, each kilowatt of panels here makes about 1,570 kWh a year (after typical system losses). A good installer will give you a roof-specific estimate that accounts for shading and roof angle.
Source: Open-Meteo historical solar radiation, 2020-2024. Production estimate assumes 80% system efficiency.
Before you call anyone, check what solar rebates you can get in San Jose. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated heat pump installers, insulation installers, home battery installers in San Jose.
Compare top-rated local installers, ranked by Google reviews, and see the rebates you can stack. Free for homeowners.
See San Jose rebates →Once a month: new and changing rebate programs across every province and state we cover, plus what's new in heat pumps, solar and batteries. Short, sourced, no marketing.