64/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 308 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 308 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Solar Installers in Los Serranos, CA (2026)
545 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Los Serranos: Solar Express Cleaning, CR Score 64/100; 5.0★ from 308 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Affordable Solar Cleaning Pros, posts 24/7 hours; ranked #2 of 545.
- 47
Most-reviewed: Guyou Roofing and Solar, 1,365 Google reviews at 4.9★, the most of 545 ranked; ranked #47.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
545 Los Serranos solar installers are ranked here by CR Score, from ten published factors. 64 are open 24/7, 311 open Saturdays and 182 open Sundays, based on posted hours. The median Google rating is 5.0★ across 545 rated businesses.
Top 10 solar installers in Los Serranos at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solar Express Cleaning | 64 | 5.0★ (308) | Chino Hills, 12 mi away | 24/7 | Overall |
| 2 | Affordable Solar Cleaning Pros | 63 | 5.0★ (628) | Loma Linda, 27 mi away | 24/7 | Emergencies |
| 3 | EnergyAid | 62 | 4.7★ (1,353) | Santa Ana, 18 mi away | 24/7 | — |
| 4 | SoCal Solar Panel Cleaning Company | 62 | 5.0★ (246) | La Verne, 10 mi away | Sat · Sun · Evenings | — |
| 5 | EnergyAid | 62 | 4.8★ (534) | San Bernardino, 25 mi away | 24/7 | — |
| 6 | Mr. Solar Clean | 61 | 5.0★ (369) | Carson, 32 mi away | 24/7 | — |
| 7 | Pacific Solar Care & Window Cleaning | 60 | 5.0★ (310) | Eastvale, 12 mi away | Sat | — |
| 8 | Semper Solaris | 60 | 4.7★ (515) | Santa Fe Springs, 21 mi away | Sat · Sun · Evenings | — |
| 9 | Sunrun Solar | 59 | 4.8★ (262) | Santa Fe Springs, 20 mi away | Sat · Sun | — |
| 10 | CL Window Shine - Pressure Washing, & Solar Installation | 59 | 4.9★ (322) | Anaheim, 13 mi away | 24/7 | — |
The 545 best solar installers in Los Serranos, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Loma Linda, 27 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 628 Google reviews, listed on Google as “Solar energy system service”.
- 5.0★ from 628 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1924 Hardt St, Loma Linda, CA 92354
#3 EnergyAid
Based in Santa Ana, 18 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 1,353 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 1,353 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1669 E Wilshire Ave STE 606, Santa Ana, CA 92705
Based in La Verne, 10 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 246 Google reviews
- Hours
- Mon–Fri 7 AM–9 PM · Sat 7 AM–8 PM · Sun 7 AM–5 PM
- Address
- 2552 Foothill Blvd APT 322, La Verne, CA 91750
#5 EnergyAid
Based in San Bernardino, 25 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 534 Google reviews, listed on Google as “Solar energy system service”.
- 4.8★ from 534 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2211 S Hunts Ln ste p, San Bernardino, CA 92408
Based in Carson, 32 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 369 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 369 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1714 E Balard St, Carson, CA 90745
Based in Eastvale, 12 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 310 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
Based in Santa Fe Springs, 21 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 515 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 515 Google reviews
- Hours
- Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
- Address
- 10713 Norwalk Blvd, Santa Fe Springs, CA 90670
#9 Sunrun Solar
Based in Santa Fe Springs, 20 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 262 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 262 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 12830 Romandel Ave, Santa Fe Springs, CA 90670
Based in Anaheim, 13 mi away
59/100CR ScoreRanked #10 because of its Google rating and review volume: 4.9★ from 322 Google reviews.
- 4.9★ from 322 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hacienda Heights, 13 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Solar energy system service”.
- 5.0★ from 81 Google reviews
- Hours
- Mon–Sat 7 AM–8 PM · Sun 7 AM–5 PM
- Address
- 17009 Pepper Brook Way, Hacienda Heights, CA 91745
#12 Sunlux
Based in Corona, 9 mi away
59/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 559 Google reviews, listed on Google as “Solar energy system service”.
- 4.7★ from 559 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
- Address
- 2410 Wardlow Rd # 103, Corona, CA 92878
#13 Semper Solaris
Based in Santa Ana, 19 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 156 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 156 Google reviews
- Hours
- Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
- Address
- 1701 E Edinger Ave Suite H1, Santa Ana, CA 92705
#14 Solar Sparkle
Based in Anaheim, 23 mi away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 110 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
Based in Irvine, 22 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 43 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2211 Michelson Dr Suite 900, Irvine, CA 92612
Based in Irvine, 21 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 99 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 99 Google reviews
- Hours
- Mon–Sun 8:30 AM–8 PM
- Address
- 17952 Sky Park Cir Suite D, Irvine, CA 92614
Based in Altadena, 14 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#18 Sunrun Solar
Based in Corona, 12 mi away
58/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.2★ from 334 Google reviews, listed on Google as “Solar energy company”.
- 4.2★ from 334 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 1550 Magnolia Ave, Corona, CA 92879
#19 Sunrun Solar
Based in Irvine, 23 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 231 Google reviews, listed on Google as “Solar energy company”.
- 4.6★ from 231 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 8 Whatney, Irvine, CA 92618
Based in Long Beach, 29 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 132 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun 8 AM–2 PM
- Address
- 767 Euclid Ave, Long Beach, CA 90804
#21 ACOPOWER
Based in Walnut, 8 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 196 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 196 Google reviews
- Hours
- Mon–Thu 8:30 AM–5 PM · Fri 8:30 AM–4:30 PM · Sat–Sun closed
- Address
- 4120 Valley Blvd, Walnut, CA 91789
Based in Good Hope, 26 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Solar panel maintenance service”.
- 5.0★ from 91 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
#23 TopGuard Roofing
Based in Walnut, 11 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.6★ from 161 Google reviews, listed on Google as “Solar energy company”.
- 4.6★ from 161 Google reviews
- Hours
- Mon–Fri 9 AM–10:30 PM · Sat 10 AM–10:30 PM · Sun closed
- Address
- 806 Nogales St, Walnut, CA 91789
Based in Bellflower, 18 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 56 Google reviews, listed on Google as “Solar panel maintenance service”.
- 4.9★ from 56 Google reviews
- Hours
- Mon–Sat 8 AM–7 PM · Sun 10 AM–5 PM
#25 SunSolar U.S.
Based in Irvine, 22 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 62 Google reviews
- Hours
- Mon–Sun 9 AM–8 PM
- Address
- 16755 Von Karman Ave Suite 200, Irvine, CA 92606
Solar installers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 545 ranked solar installers here; the rest are on their profiles.
Also serving Los Serranos
20 more solar installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| ACOSolar Inc | 5.0★ (2) | 8 mi |
| B K Window Cleaning | 5.0★ (2) | 14 mi |
| Best Solar Company Rowland Heights | 5.0★ (2) | 11 mi |
| Better Power Project | 5.0★ (2) | 6 mi |
| Bright Spot Solar | 5.0★ (2) | 14 mi |
| Built Services, Inc. | 5.0★ (2) | 14 mi |
| Burning Daylight Solar | 5.0★ (2) | 11 mi |
| Cardenas Solar | 5.0★ (2) | 13 mi |
| Empower Service Partners | 5.0★ (2) | 14 mi |
| Eversun Solar Engineering LLC | 5.0★ (2) | 12 mi |
| Forme Solar - Inland Empire | 5.0★ (2) | 11 mi |
| HPM Solar | 5.0★ (2) | 8 mi |
| Lux Smart Energy | 5.0★ (2) | 11 mi |
| New Era Energy Electric | 5.0★ (2) | 14 mi |
| Raya Solar | 5.0★ (2) | 13 mi |
| Solar My Home Chino | 5.0★ (2) | 3 mi |
| Solar Vast | 1.0★ (2) | 10 mi |
| SolarGreen DirectPanel Chino Co | 5.0★ (2) | 1 mi |
| sunshine Pacific group America Inc | 3.0★ (2) | 12 mi |
| ZenOut Construction Inc. | 2.0★ (2) | 2 mi |
How much do solar installers cost in Los Serranos?
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 |
How we ranked Los Serranos solar installers
We scored 545 Los Serranos solar installers on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Los Serranos data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Solar installers in Los Serranos: frequently asked questions
Who is the best solar installer in Los Serranos?
By CR Score, the highest-ranked solar installer in Los Serranos, CA is Solar Express Cleaning with a CR Score of 64/100. It has 5.0★ from 308 Google reviews. It is open 24/7. Affordable Solar Cleaning Pros (#2) and EnergyAid (#3) follow. We ranked 545 solar installers on ten factors, last updated October 22, 2026.
How many solar installers are there in Los Serranos?
ContractorsRanked ranks 545 solar installers serving Los Serranos, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in Los Serranos are open 24/7?
64 ranked solar installers in Los Serranos post 24/7 hours. The highest-ranked are Solar Express Cleaning (#1), Affordable Solar Cleaning Pros (#2) and EnergyAid (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Los Serranos work on weekends?
311 of 545 ranked solar installers post Saturday hours and 182 post Sunday hours. The highest-ranked open Saturdays are Solar Express Cleaning (#1), Affordable Solar Cleaning Pros (#2) and EnergyAid (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Los Serranos?
Solar panel installation typically costs $29,770 to $36,640, with $33,680 typical (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)). The range is adjusted for California. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Los Serranos solar installers have?
The median Google rating among 545 rated solar installers in Los Serranos is 5.0★, with a median of 14 reviews. Guyou Roofing and Solar has the most, 1,365 reviews, and ranks #47. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank solar installers?
Each solar installer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do solar installers outside Los Serranos count in this ranking?
Yes, if they are within 40 mi of the Los Serranos city center, our service radius for solar installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Los Serranos
- October 2026: CR Scores recalculated for 545 solar installers serving Los Serranos.
- October 2026: 5 duplicate listings merged.
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