629 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Glendora: SoCal Solar Panel Cleaning Company, CR Score 63/100; 5.0★ from 246 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Solar Express Cleaning, posts 24/7 hours; ranked #2 of 629.
Most-reviewed: EnergyAid, 1,353 Google reviews at 4.7★, the most of 629 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
629 Glendora solar installers are ranked here by CR Score, from ten published factors. 74 are open 24/7, 356 open Saturdays and 223 open Sundays, based on posted hours. The median Google rating is 4.9★ across 629 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SoCal Solar Panel Cleaning Company | 63 | 5.0★ (246) | La Verne, 6 mi away | Sat · Sun · Evenings | Overall |
| 2 | Solar Express Cleaning | 63 | 5.0★ (308) | Chino Hills, 22 mi away | 24/7 | Emergencies |
| 3 | Affordable Solar Cleaning Pros | 62 | 5.0★ (628) | Loma Linda, 36 mi away | 24/7 | — |
| 4 | Mr. Solar Clean | 62 | 5.0★ (369) | Carson, 30 mi away | 24/7 | — |
| 5 | EnergyAid | 61 | 4.7★ (1,353) | Santa Ana, 28 mi away | 24/7 | Most reviews |
| 6 | Semper Solaris | 61 | 4.7★ (515) | Santa Fe Springs, 18 mi away | Sat · Sun · Evenings | — |
| 7 | EnergyAid | 61 | 4.8★ (534) | San Bernardino, 34 mi away | 24/7 | — |
| 8 | Sunrun Solar | 61 | 4.8★ (262) | Santa Fe Springs, 17 mi away | Sat · Sun | — |
| 9 | BestSolarCleaning, LLC | 60 | 5.0★ (81) | Hacienda Heights, 11 mi away | Sat · Sun · Evenings | — |
| 10 | Premier Home Solutions - Solar Energy Sales, Installation, & Savings | 60 | 4.8★ (96) | Glendora | Sat · Evenings | — |
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.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Solar energy company”.
Based in Chino Hills, 22 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 308 Google reviews, listed on Google as “Solar energy company”.
Based in Loma Linda, 36 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 628 Google reviews, listed on Google as “Solar energy system service”.
Based in Carson, 30 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 369 Google reviews, listed on Google as “Solar energy company”.
Based in Santa Ana, 28 mi away
Ranked #5 because of its Google rating and review volume: 4.7★ from 1,353 Google reviews, the most in Glendora.
Based in Santa Fe Springs, 18 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 515 Google reviews, listed on Google as “Solar energy company”.
Based in San Bernardino, 34 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 534 Google reviews, listed on Google as “Solar energy system service”.
Based in Santa Fe Springs, 17 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 262 Google reviews, listed on Google as “Solar energy company”.
Based in Hacienda Heights, 11 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Solar energy system service”.
Based in Glendora
Ranked #10 because of its Google rating and trade focus: 4.8★ from 96 Google reviews, listed on Google as “Solar energy company”.
Based in Altadena, 10 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Solar energy company”.
Based in Barstow, 32 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 292 Google reviews, listed on Google as “Solar energy company”.
Based in Los Angeles, 23 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Solar energy company”.
Based in Bellflower, 14 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 56 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Eastvale, 26 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 310 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Redondo Beach, 34 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Solar energy company”.
Based in Whittier, 15 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 148 Google reviews, listed on Google as “Electrician”.
Based in Long Beach, 30 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Solar panel maintenance service”.
Based in Burbank, 35 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Solar energy system service”.
Based in Downey, 20 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Solar energy company”.
Based in Anaheim, 27 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 322 Google reviews.
Based in Glendale, 22 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Solar energy company”.
Based in Irvine, 32 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based in Santa Ana, 28 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 156 Google reviews, listed on Google as “Solar energy company”.
Based in Hacienda Heights, 12 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.
#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 629 ranked solar installers here; the rest are on their profiles.
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) | 5 mi |
| Best Solar Company Rowland Heights | 5.0★ (2) | 11 mi |
| Better Power Project | 5.0★ (2) | 10 mi |
| Birch Enterprises | In Glendora | |
| Bright Spot Solar | 5.0★ (2) | 6 mi |
| Built Services, Inc. | 5.0★ (2) | 5 mi |
| Burning Daylight Solar | 5.0★ (2) | 9 mi |
| Dowd Roofing Co. | 5.0★ (39) | In Glendora |
| Empower Service Partners | 5.0★ (2) | 5 mi |
| Eversun Solar Engineering LLC | 5.0★ (2) | 5 mi |
| Glasslight Solar | In Glendora | |
| HPM Solar | 5.0★ (2) | 9 mi |
| Lux Smart Energy | 5.0★ (2) | 4 mi |
| New Era Energy Electric | 5.0★ (2) | 5 mi |
| Northamerican Roof Cleaning | Free Estimate | Glendora | 5.0★ (3) | In Glendora |
| Palm Coast Solar Cleaning | In Glendora | |
| Prime Team Builders Inc | 5.0★ (86) | In Glendora |
| Screenmobile of West San Gabriel Valley | 5.0★ (15) | In Glendora |
| SunRun Solar | 1.0★ (1) | In Glendora |
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 629 Glendora 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 Glendora 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 |