50 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Winton: Shinemax, CR Score 86/100; 4.9★ from 183 Google reviews.
Best for emergencies (open 24/7): Cosmic Comfort Electrical & HVAC | Merced, posts 24/7 hours; ranked #2 of 50.
Most-reviewed: Honey's Air & Solar, 5,700 Google reviews at 4.9★, the most of 50 ranked; ranked #21.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
50 Winton solar installers are ranked here by CR Score, from 8 published factors. 14 are open 24/7, 28 open Saturdays and 19 open Sundays, based on posted hours. The median Google rating is 4.9★ across 50 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Shinemax | 86 | 4.9★ (183) | Manteca, 10 mi away | — | Overall |
| 2 | Cosmic Comfort Electrical & HVAC | Merced | 86 | 4.9★ (719) | Atwater, 4 mi away | 24/7 | Emergencies |
| 3 | Super Cleaning Solar Service | 85 | 5.0★ (34) | Modesto, 24 mi away | 24/7 | — |
| 4 | Golden Rays Solar | Bird Proofing | Solar Panel Cleaning Fresno Clovis Madera | 85 | 5.0★ (129) | Madera, 39 mi away | 24/7 | — |
| 5 | Solar Energy Partners - Official | 82 | 4.8★ (24) | Modesto, 33 mi away | 24/7 | — |
| 6 | Young's Air Conditioning | 82 | 5.0★ (325) | Los Banos, 26 mi away | 24/7 | — |
| 7 | Dowd Solar Netting and Cleaning | 82 | 4.9★ (68) | Modesto, 28 mi away | Sat · Sun | — |
| 8 | Avon Wireless & Solar Inc | 81 | 5.0★ (3) | Fairview, 16 mi away | 24/7 | — |
| 9 | SmartEnergy Solar Cleaning | 81 | 4.3★ (6) | Merced, 7 mi away | Sat · Sun · Evenings | — |
| 10 | Cosmic Comfort Electrical & HVAC | 81 | 4.9★ (79) | Turlock, 15 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 183 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Atwater, 4 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 719 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 24 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madera, 39 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 129 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 33 mi away
Ranked #5 because of its Google rating and availability: 4.8★ from 24 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Los Banos, 26 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 325 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 28 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 68 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairview, 16 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Merced, 7 mi away
Ranked #9 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Turlock, 15 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 79 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ceres, 23 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 119 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Manteca, 32 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 33 mi away
Ranked #13 because of its Google rating and availability: 4.6★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Manteca, 40 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 542 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 30 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 119 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 26 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 29 mi away
Ranked #17 because of its Google rating and review volume: 4.8★ from 1,637 Google reviews, 1,637 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Atwater, 3 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 13 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 25 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Modesto, 31 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 5,700 Google reviews, the most Google reviews on this list (5,700).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cameron Park, 16 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Salida, 35 mi away
Ranked #23 because of its Google rating and review volume: 5.0★ from 2,337 Google reviews, 2,337 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Atwater, 4 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 45 Google reviews, listed on Google as “Electrician”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Escalon, 34 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $29,770 | $33,680 | $36,640 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
We scored 50 Winton solar installers on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Winton data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |