Top-Rated Solar Installers in San Jose, CA

6 local companies ranked by 805 Google reviews. Free to compare, no sign-up.

Ratings and review counts from Google Maps, collected September 2026 · Page updated October 24, 2026

6Companies
805Google reviews
4.9★Average rating
Sep 2026Data collected
Ranked by Google reviewsNot paid forFree to compare

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).

Solar installers in San Jose, ranked

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  1. 1
    Valley Heating, Cooling, Electrical and SolarTop pickMost reviewsAlso installs heat pumps and batteries
    4.9 (365 Google reviews)
    1171 N 4th St, San Jose, CA 95112
    Call (408) 677-2920View profileGoogle reviews
  2. 2
    Sunlight Concepts | Natural Daylighting and Ventilation System - Solatube Dealer
    4.9 (266 Google reviews)
    851 Del Mar Ave, San Jose, CA 95128
    Call (408) 844-0081View profileGoogle reviewsEmail
  3. 3
    Greentech Renewables San Jose
    5.0 (20 Google reviews)
    1939 Hartog Dr, San Jose, CA 95131
    Call (408) 436-5355View profileGoogle reviews
  4. 4
    Highlight SolarAlso installs batteries
    4.8 (60 Google reviews)
    1624 Remuda Ln, San Jose, CA 95112
    Call (866) 926-9997View profileGoogle reviewsEmail
  5. 5
    Green Leaf Solar & ElectricAlso installs batteries
    4.8 (16 Google reviews)
    667 N 12th St, San Jose, CA 95112
    Call (669) 208-3007View profileGoogle reviewsEmail
  6. 6
    Clean SolarAlso installs batteries
    4.5 (78 Google reviews)
    1445 Koll Cir, San Jose, CA 95112
    Call (888) 551-7652View profileGoogle 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 not paid for. How we rank and how we make money.

Listed here? Get your top-rated badge for your website or print the San Jose rebate sheet for your customers.

What a solar costs in San Jose

Typical installed priceabout $22,400 to $38,500

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.

Rebates open in San JoseNone confirmed right now

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.

Talk to a home energy auditor first. Some utility programs want an audit before any work starts. See the home energy auditors we list.

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How much sun does San Jose get?

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 hire a solar installer

  1. Ask for a production estimate for your roof (kWh per year) and how shading was measured.
  2. Ask which panels and inverter they use, and who backs the warranty if the company closes.
  3. Ask how your utility credits extra power you send to the grid, and whether a battery makes sense for you.

Questions about solar installers in San Jose

Who is the best solar installer in San Jose?

Based on Google reviews, 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). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.

How are the solar installers in San Jose ranked?

We list 6 solar companies in San Jose, ranked by Google rating weighted by review count. Together they have 805 Google reviews and average 4.9 stars, collected September 2026. Valley Heating, Cooling, Electrical and Solar has the most reviews (365). No company pays to be listed or ranked.

How much does solar installation cost in San Jose?

For a 7 kW home system ($3.20 to $5.50 per watt, the middle 60% of US home systems in 2023), the installed price is typically about $22,400 to $38,500, according to Lawrence Berkeley National Lab, Tracking the Sun. Your home may cost more or less, so get at least two quotes for the same work.

Are there rebates for solar panels in San Jose?

We have no confirmed open solar rebate for San Jose right now. Financing or future programs may still help, so check the rebate page before you sign.

How much power do solar panels make in San Jose?

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.

What should I ask a solar installer before I hire?

Ask for a production estimate for your roof (kWh per year) and how shading was measured. Ask which panels and inverter they use, and who backs the warranty if the company closes. Ask how your utility credits extra power you send to the grid, and whether a battery makes sense for you.

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.

How to read these results

  1. Open the profile.How a installer describes its own work tells you a lot. Look for jobs like yours.
  2. Read the Google reviews.Stars and counts come from Google Maps. Click through and read what past customers wrote, good and bad.
  3. Check for program badges.A green registered-contractor badge means the company is on the program's own list, which some rebates require.
  4. Compare three.Do not stop at the first good installer. Three quotes show you the real range in price, equipment and plan.

Not ready to talk to a contractor yet?

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