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 Claremont, CA (2026)
555 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Claremont: Solar Express Cleaning, CR Score 64/100; 5.0★ from 308 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Affordable Solar Cleaning Pros, posts 24/7 hours; ranked #3 of 555.
- 5
Most-reviewed: EnergyAid, 1,353 Google reviews at 4.7★, the most of 555 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
555 Claremont solar installers are ranked here by CR Score, from ten published factors. 63 are open 24/7, 318 open Saturdays and 188 open Sundays, based on posted hours. The median Google rating is 5.0★ across 555 rated businesses.
Top 10 solar installers in Claremont at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solar Express Cleaning | 64 | 5.0★ (308) | Chino Hills, 13 mi away | 24/7 | Overall |
| 2 | SoCal Solar Panel Cleaning Company | 63 | 5.0★ (246) | La Verne, 2 mi away | Sat · Sun · Evenings | — |
| 3 | Affordable Solar Cleaning Pros | 63 | 5.0★ (628) | Loma Linda, 27 mi away | 24/7 | Emergencies |
| 4 | EnergyAid | 62 | 4.8★ (534) | San Bernardino, 25 mi away | 24/7 | — |
| 5 | EnergyAid | 61 | 4.7★ (1,353) | Santa Ana, 26 mi away | 24/7 | Most reviews |
| 6 | Mr. Solar Clean | 60 | 5.0★ (369) | Carson, 35 mi away | 24/7 | — |
| 7 | Semper Solaris | 60 | 4.7★ (515) | Santa Fe Springs, 23 mi away | Sat · Sun · Evenings | — |
| 8 | Pacific Solar Care & Window Cleaning | 59 | 5.0★ (310) | Eastvale, 19 mi away | Sat | — |
| 9 | SoCal Green Homes | 59 | 5.0★ (21) | Altadena, 5 mi away | 24/7 | — |
| 10 | Sunrun Solar | 59 | 4.8★ (262) | Santa Fe Springs, 22 mi away | Sat · Sun | — |
The 555 best solar installers in Claremont, 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 La Verne, 2 mi away
63/100CR ScoreRanked #2 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
Based in Loma Linda, 27 mi away
63/100CR ScoreRanked #3 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
#4 EnergyAid
Based in San Bernardino, 25 mi away
62/100CR ScoreRanked #4 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
#5 EnergyAid
Based in Santa Ana, 26 mi away
61/100CR ScoreRanked #5 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 Carson, 35 mi away
60/100CR 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 Santa Fe Springs, 23 mi away
60/100CR ScoreRanked #7 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
Based in Eastvale, 19 mi away
59/100CR ScoreRanked #8 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 Altadena, 5 mi away
59/100CR ScoreRanked #9 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
#10 Sunrun Solar
Based in Santa Fe Springs, 22 mi away
59/100CR ScoreRanked #10 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 Hacienda Heights, 14 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
Based in Anaheim, 22 mi away
58/100CR ScoreRanked #12 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 Barstow, 38 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 292 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 292 Google reviews
- Hours
- Mon–Sun 6 AM–10 PM
#14 ACOPOWER
Based in Walnut, 7 mi away
58/100CR ScoreRanked #14 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 Glendora, 9 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 96 Google reviews, listed on Google as “Solar energy company”.
- 4.8★ from 96 Google reviews
- Hours
- Mon–Fri 10 AM–7:30 PM · Sat 9 AM–12 PM · Sun closed
- Address
- 355 W Rte 66, Glendora, CA 91740
#16 TopGuard Roofing
Based in Walnut, 11 mi away
58/100CR ScoreRanked #16 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
#17 Badass Energy
Based in Claremont
57/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
#18 Sunlux
Based in Corona, 16 mi away
57/100CR ScoreRanked #18 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
Based in Rancho Cucamonga, 9 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 52 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 11175 Azusa Ct, Rancho Cucamonga, CA 91730
Based in Bellflower, 19 mi away
57/100CR ScoreRanked #20 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
#21 Semper Solaris
Based in Santa Ana, 27 mi away
57/100CR ScoreRanked #21 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
Based in Long Beach, 33 mi away
57/100CR ScoreRanked #22 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
#23 Solar Sparkle
Based in Anaheim, 31 mi away
57/100CR ScoreRanked #23 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 Los Angeles, 31 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 100 Google reviews
- Hours
- Mon–Sun 7 AM–10 PM
- Address
- 3108 Glendale Blvd, Los Angeles, CA 90039
Based in Fontana, 15 mi away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 32 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat–Sun 10 AM–8 PM
- Address
- 15471 Petunia St, Fontana, CA 92336
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 555 ranked solar installers here; the rest are on their profiles.
Also serving Claremont
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) | 7 mi |
| B K Window Cleaning | 5.0★ (2) | 6 mi |
| Best Solar Company Rowland Heights | 5.0★ (2) | 13 mi |
| Better Power Project | 5.0★ (2) | 8 mi |
| Bright Spot Solar | 5.0★ (2) | 12 mi |
| Built Services, Inc. | 5.0★ (2) | 6 mi |
| Burning Daylight Solar | 5.0★ (2) | 12 mi |
| Cardenas Solar | 5.0★ (2) | 19 mi |
| Empower Service Partners | 5.0★ (2) | 6 mi |
| Eversun Solar Engineering LLC | 5.0★ (2) | 5 mi |
| Forme Solar - Inland Empire | 5.0★ (2) | 8 mi |
| Home Run Exterior Services | 5.0★ (1) | In Claremont |
| HPM Solar | 5.0★ (2) | In Claremont |
| Lux Smart Energy | 5.0★ (2) | 8 mi |
| New Era Energy Electric | 5.0★ (2) | 6 mi |
| Solar My Home Chino | 5.0★ (2) | 6 mi |
| Solar Vast | 1.0★ (2) | 6 mi |
| SolarGreen DirectPanel Chino Co | 5.0★ (2) | 9 mi |
| sunshine Pacific group America Inc | 3.0★ (2) | 16 mi |
| ZenOut Construction Inc. | 2.0★ (2) | 8 mi |
How much do solar installers cost in Claremont?
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 Claremont solar installers
We scored 555 Claremont 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 Claremont 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 Claremont: frequently asked questions
Who is the best solar installer in Claremont?
By CR Score, the highest-ranked solar installer in Claremont, 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. SoCal Solar Panel Cleaning Company (#2) and Affordable Solar Cleaning Pros (#3) follow. We ranked 555 solar installers on ten factors, last updated October 22, 2026.
How many solar installers are there in Claremont?
ContractorsRanked ranks 555 solar installers serving Claremont, CA. 1 of them is based in Claremont; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in Claremont are open 24/7?
63 ranked solar installers in Claremont post 24/7 hours. The highest-ranked are Solar Express Cleaning (#1), Affordable Solar Cleaning Pros (#3) and EnergyAid (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Claremont work on weekends?
318 of 555 ranked solar installers post Saturday hours and 188 post Sunday hours. The highest-ranked open Saturdays are Solar Express Cleaning (#1), SoCal Solar Panel Cleaning Company (#2) and Affordable Solar Cleaning Pros (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Claremont?
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 Claremont solar installers have?
The median Google rating among 555 rated solar installers in Claremont is 5.0★, with a median of 14 reviews. EnergyAid has the most, 1,353 reviews, and ranks #5. 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 Claremont count in this ranking?
Yes, if they are within 40 mi of the Claremont 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 Claremont
- October 2026: CR Scores recalculated for 555 solar installers serving Claremont.
- October 2026: 5 duplicate listings merged.
More solar installers and Claremont pages
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