91/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 369 Google reviews, open 24/7.
- 5.0★ from 369 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1714 E Balard St, Carson, CA 90745
Best Solar Installers in Rosemead, CA (2026)
646 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rosemead: Mr. Solar Clean, CR Score 91/100; 5.0★ from 369 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Solar Express Cleaning, posts 24/7 hours; ranked #2 of 646.
- 35
Most-reviewed: Payless Water Heaters & Plumbing, Inc., 1,762 Google reviews at 4.8★, the most of 646 ranked; ranked #35.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
646 Rosemead solar installers are ranked here by CR Score, from 8 published factors. 80 are open 24/7, 368 open Saturdays and 234 open Sundays, based on posted hours. The median Google rating is 5.0★ across 646 rated businesses.
Top 10 solar installers in Rosemead at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mr. Solar Clean | 91 | 5.0★ (369) | Carson, 19 mi away | 24/7 | Overall |
| 2 | Solar Express Cleaning | 88 | 5.0★ (308) | Chino Hills, 32 mi away | 24/7 | Emergencies |
| 3 | Smart Solar Panel Cleaning Los Angeles | 87 | 5.0★ (90) | Redondo Beach, 22 mi away | 24/7 | — |
| 4 | Semper Solaris | 87 | 4.7★ (515) | Santa Fe Springs, 10 mi away | Sat · Sun · Evenings | — |
| 5 | SoCal Solar Panel Cleaning Company | 87 | 5.0★ (246) | La Verne, 18 mi away | Sat · Sun · Evenings | — |
| 6 | Sunrun Solar | 87 | 4.8★ (262) | Santa Fe Springs, 10 mi away | Sat · Sun | — |
| 7 | POWER PRO ELECTRIC & SOLAR | 86 | 4.9★ (148) | Whittier, 7 mi away | 24/7 | — |
| 8 | Solar panel maintenance, Solar diagnostic, solar repair and cleaning, bird proofing | 86 | 5.0★ (79) | Burbank, 27 mi away | 24/7 | — |
| 9 | EnergyAid | 86 | 4.7★ (1,353) | Santa Ana, 27 mi away | 24/7 | — |
| 10 | Green Integrations and Management Inc. | 86 | 5.0★ (100) | Los Angeles, 11 mi away | Sat · Sun · Evenings | — |
The 646 best solar installers in Rosemead, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Chino Hills, 32 mi away
88/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 308 Google reviews, open 24/7.
- 5.0★ from 308 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Redondo Beach, 22 mi away
87/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 90 Google reviews, open 24/7.
- 5.0★ from 90 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2612 Carnegie Ln #1, Redondo Beach, CA 90278
Based in Santa Fe Springs, 10 mi away
87/100CR ScoreRanked #4 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 La Verne, 18 mi away
87/100CR ScoreRanked #5 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
#6 Sunrun Solar
Based in Santa Fe Springs, 10 mi away
87/100CR ScoreRanked #6 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 Whittier, 7 mi away
86/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 148 Google reviews, open 24/7.
- 4.9★ from 148 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11721 Whittier Blvd, Whittier, CA 90601
Based in Burbank, 27 mi away
86/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 79 Google reviews, open 24/7.
- 5.0★ from 79 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#9 EnergyAid
Based in Santa Ana, 27 mi away
86/100CR ScoreRanked #9 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 Los Angeles, 11 mi away
86/100CR ScoreRanked #10 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 Hacienda Heights, 10 mi away
86/100CR 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 Culver City, 19 mi away
85/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5701 Buckingham Pkwy Ste F, Culver City, CA 90230
#13 Big Wave Window
Based in Pasadena, 5 mi away
85/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 357 Google reviews, open 24/7.
- 4.8★ from 357 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 41 S Chester Ave Suite A2, Pasadena, CA 91106
Based in Los Angeles, 13 mi away
85/100CR ScoreRanked #14 because of its Google rating and availability: 4.9★ from 434 Google reviews, open 24/7.
- 4.9★ from 434 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5467 W San Fernando Rd, Los Angeles, CA 90039
Based in Barstow, 33 mi away
85/100CR ScoreRanked #15 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
Based in Los Angeles, 19 mi away
85/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 27 Google reviews, open 24/7.
- 5.0★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3616 Cardiff Ave #104, Los Angeles, CA 90034
Based in Long Beach, 22 mi away
85/100CR ScoreRanked #17 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
Based in Bellflower, 8 mi away
85/100CR ScoreRanked #18 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
#19 Solar with Roció
Based in Downey, 9 mi away
84/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 45 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 8050 Florence Ave, Downey, CA 90241
#20 Sun Studios
Based in Beverly Hills, 17 mi away
84/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 77 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 8383 Wilshire Blvd, Beverly Hills, CA 90211
Based in Irvine, 31 mi away
84/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 43 Google reviews, open 24/7.
- 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 Los Angeles, 16 mi away
84/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 66 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 5316 Venice Blvd., Los Angeles, CA 90019
Based in Anaheim, 32 mi away
84/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 322 Google reviews, open 24/7.
- 4.9★ from 322 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Los Angeles, 10 mi away
84/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 45 Google reviews
- Hours
- Mon–Fri 7 AM–9 PM · Sat 9 AM–4 PM · Sun 10 AM–7 PM
- Address
- 360 E 2nd St, Los Angeles, CA 90012
Based in Altadena, 22 mi away
84/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
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 646 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | United Plumbing Heating Air & Electric | 83 | 4.8★ (272) | 11 mi |
| 27 | Optima Energy Inc. | 83 | 4.6★ (14) | 14 mi |
| 28 | Solar Dust Busters | Solar Cleaning Company | Solar Cleaning Service in Los Angeles County | 83 | 5.0★ (12) | 17 mi |
| 29 | Clear Sky Solar Cleaning | 83 | 5.0★ (40) | 17 mi |
| 30 | Solar G | 83 | 5.0★ (128) | 12 mi |
| 31 | Paz Window Cleaning LLC | 83 | 5.0★ (133) | 15 mi |
| 32 | Solar Sparkle | 83 | 5.0★ (110) | 33 mi |
| 33 | Haven Energy | 83 | 4.7★ (158) | 23 mi |
| 34 | Atlas Inc. | 82 | 5.0★ (15) | 25 mi |
| 35 | Payless Water Heaters & Plumbing, Inc. | 82 | 4.8★ (1,762) | 38 mi |
| 36 | Aikyum Solar | 82 | 4.9★ (59) | 22 mi |
| 37 | HomeLink Solar | 82 | 4.8★ (183) | 32 mi |
| 38 | Solar Optimum Glendale | 82 | 4.7★ (348) | 14 mi |
| 39 | Donavas | 82 | 5.0★ (7) | 8 mi |
| 40 | NetZero Energy & Roofing | 82 | 4.9★ (99) | 30 mi |
| 41 | Semper Solaris | 82 | 4.7★ (156) | 28 mi |
| 42 | Magic Solar Electric | 82 | 4.7★ (18) | 5 mi |
| 43 | Sun4good | 82 | 5.0★ (8) | 20 mi |
| 44 | DNP Solar Care Professionals LLC | 82 | 5.0★ (3) | 11 mi |
| 45 | Innovative Electric Solar | 82 | 4.7★ (11) | 22 mi |
| 46 | PV Sky USA | 82 | 5.0★ (7) | 20 mi |
| 47 | SunSolar U.S. | 82 | 5.0★ (62) | 30 mi |
| 48 | Rinse Charming | 82 | 4.9★ (46) | 3 mi |
| 49 | So Cal Solar Shine LLC | 82 | 5.0★ (5) | 17 mi |
| 50 | Real Pwr | 82 | 5.0★ (62) | 31 mi |
Also serving Rosemead
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) | 15 mi |
| Best Solar Company Rowland Heights | 5.0★ (2) | 13 mi |
| Better Power Project | 5.0★ (2) | 16 mi |
| Bright Spot Solar | 5.0★ (2) | 9 mi |
| Burning Daylight Solar | 5.0★ (2) | 12 mi |
| California Solar Energy & Green Group | 5.0★ (2) | 8 mi |
| Cassia | Shea Homes | 4.0★ (2) | In Rosemead |
| Chronicle Electric Inc. | 3.0★ (2) | 15 mi |
| Cis Roofing Waterproofing Solar | 5.0★ (2) | 11 mi |
| Duncan Solar | 5.0★ (2) | 8 mi |
| Eversun Solar Engineering LLC | 5.0★ (2) | 17 mi |
| Glass Of The Sun Solar | 5.0★ (2) | 16 mi |
| Lux Smart Energy | 5.0★ (2) | 12 mi |
| RenuLogix | 5.0★ (2) | 6 mi |
| Solar Plus | 4.5★ (2) | 11 mi |
| Solar Store California | 3.0★ (2) | 13 mi |
| solar tronics | 3.0★ (2) | 9 mi |
| Solariant, Inc. | 5.0★ (2) | 14 mi |
| SolarPanel RoofNSave Buena | 5.0★ (2) | 14 mi |
| sunshine Pacific group America Inc | 3.0★ (2) | 14 mi |
How much do solar installers cost in Rosemead?
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 Rosemead solar installers
We scored 646 Rosemead 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 Rosemead 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 |
Solar installers in Rosemead: frequently asked questions
Who is the best solar installer in Rosemead?
By CR Score, the highest-ranked solar installer in Rosemead, CA is Mr. Solar Clean with a CR Score of 91/100. It has 5.0★ from 369 Google reviews. It is open 24/7. Solar Express Cleaning (#2) and Smart Solar Panel Cleaning Los Angeles (#3) follow. We ranked 646 solar installers on 8 factors, last updated October 22, 2026.
How many solar installers are there in Rosemead?
ContractorsRanked ranks 646 solar installers serving Rosemead, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in Rosemead are open 24/7?
80 ranked solar installers in Rosemead post 24/7 hours. The highest-ranked are Mr. Solar Clean (#1), Solar Express Cleaning (#2) and Smart Solar Panel Cleaning Los Angeles (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Rosemead work on weekends?
368 of 646 ranked solar installers post Saturday hours and 234 post Sunday hours. The highest-ranked open Saturdays are Mr. Solar Clean (#1), Solar Express Cleaning (#2) and Smart Solar Panel Cleaning Los Angeles (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Rosemead?
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 Rosemead solar installers have?
The median Google rating among 646 rated solar installers in Rosemead is 5.0★, with a median of 15 reviews. Payless Water Heaters & Plumbing, Inc. has the most, 1,762 reviews, and ranks #35. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do solar installers outside Rosemead count in this ranking?
Yes, if they are within 40 mi of the Rosemead 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 Rosemead
- October 2026: CR Scores recalculated for 646 solar installers serving Rosemead.
- October 2026: 7 duplicate listings merged.
More solar installers and Rosemead pages
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- Electricians in Rosemead1336 ranked
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- General contractors in Rosemead2021 ranked
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- All contractors in Rosemead