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Best Solar Installers in Rialto, CA (2026)

333 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Rialto: Affordable Solar Cleaning Pros, CR Score 66/100; 5.0★ from 628 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): EnergyAid, posts 24/7 hours; ranked #2 of 333.

  3. 24

    Most-reviewed: Guyou Roofing and Solar, 1,365 Google reviews at 4.9★, the most of 333 ranked; ranked #24.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

333 Rialto solar installers are ranked here by CR Score, from ten published factors. 33 are open 24/7, 188 open Saturdays and 100 open Sundays, based on posted hours. The median Google rating is 4.9★ across 333 rated businesses.

Top 10 solar installers in Rialto at a glance

Top 10 solar installers in Rialto at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Affordable Solar Cleaning Pros665.0★ (628)Loma Linda, 8 mi away24/7Overall
2EnergyAid654.8★ (534)San Bernardino, 6 mi away24/7Emergencies
3Solar Express Cleaning645.0★ (308)Chino Hills, 10 mi away24/7—
4SoCal Solar Panel Cleaning Company615.0★ (246)La Verne, 22 mi awaySat · Sun · Evenings—
5Option One Solar604.9★ (346)Apple Valley, 29 mi awaySat · Sun · Evenings—
6EnergyAid594.7★ (1,353)Santa Ana, 38 mi away24/7—
7Pacific Solar Care & Window Cleaning595.0★ (310)Eastvale, 21 mi awaySat—
8FlowState Solar Cleaning595.0★ (91)Good Hope, 21 mi awaySat · Sun · Evenings—
9Semper Solaris594.7★ (64)Redlands, 10 mi awaySat · Sun · Evenings—
10Burgeson's Heating, A/C, Electrical, Solar & Plumbing594.8★ (1,032)Redlands, 10 mi awaySat · Evenings—

The 333 best solar installers in Rialto, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Rialto

    Based in Loma Linda, 8 mi away

    66/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 628 Google reviews, listed on Google as “Solar energy system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 628 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1924 Hardt St, Loma Linda, CA 92354
  2. Based in San Bernardino, 6 mi away

    65/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 534 Google reviews, listed on Google as “Solar energy system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 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
  3. Based in Chino Hills, 10 mi away

    64/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 308 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 308 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  4. Based in La Verne, 22 mi away

    61/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 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. Based in Apple Valley, 29 mi away

    60/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 346 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 346 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    13581 John Glenn Rd A, Apple Valley, CA 92308
  6. Based in Santa Ana, 38 mi away

    59/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,353 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 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
  7. Based in Good Hope, 21 mi away

    59/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Solar panel maintenance service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 91 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
  8. Based in Redlands, 10 mi away

    59/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.7★ from 64 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 64 Google reviews
    Hours
    Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
    Address
    1720 Howard Pl, Redlands, CA 92373
  9. Based in Fontana, 7 mi away

    59/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 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
  10. Based in Riverside, 7 mi away

    58/100CR Score

    Ranked #13 because of its Google rating and review volume: 4.6★ from 356 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 356 Google reviews
    Hours
    Mon–Sat 7 AM–12 AM · Sun 9 AM–12 AM
    Address
    1218 Spring St, Riverside, CA 92507
  11. Based in Altadena, 19 mi away

    57/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 21 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  12. Based in Riverside, 10 mi away

    57/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 10 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6296 Magnolia Ave Suite D, Riverside, CA 92506
  13. Based in Corona, 19 mi away

    57/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.2★ from 334 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.2★ from 334 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    1550 Magnolia Ave, Corona, CA 92879
  14. Based in Riverside, 16 mi away

    57/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 174 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 174 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    12155 Magnolia Ave Suite 7C, Riverside, CA 92503
  15. Based in Riverside, 15 mi away

    57/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 13 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10000 Indiana Ave ste 2, Riverside, CA 92503
  16. Based in Lake Elsinore, 29 mi away

    57/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Solar panel maintenance service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 41 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    15087 Ficus St, Lake Elsinore, CA 92530
  17. #22 Sunlux

    Based in Corona, 21 mi away

    57/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.7★ from 559 Google reviews, listed on Google as “Solar energy system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 559 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    2410 Wardlow Rd # 103, Corona, CA 92878
  18. Based in Riverside, 8 mi away

    57/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1825 Chicago Ave, Riverside, CA 92507
  19. Based in Riverside, 14 mi away

    57/100CR Score

    Ranked #24 because of its Google rating and review volume: 4.9★ from 1,365 Google reviews, the most in Rialto.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 1,365 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    9880 Indiana Ave Suite 2, Riverside, CA 92503

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 333 ranked solar installers here; the rest are on their profiles.

solar installers in Rialto, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Harris Solar Panel Cleaning575.0★ (91)32 mi
27V3 Electric574.3★ (283)11 mi
28Sunvert Solar LLC575.0★ (12)5 mi
29Empower Home Services574.9★ (95)9 mi
30Vanwarner Construction574.9★ (56)16 mi
31BestSolarCleaning, LLC565.0★ (81)33 mi
32Mirror Image Solar Panel Cleaning of SoCal565.0★ (34)12 mi
33Ace Solar Care565.0★ (8)4 mi
34JJ Solar Cleaning565.0★ (19)5 mi
35Clean Initiative564.1★ (185)8 mi
36BriteLite Solar564.8★ (51)13 mi
37Solar Service Professionals564.9★ (89)10 mi
38SolarRepair565.0★ (43)17 mi
39Summit Solar and Roofing564.6★ (100)5 mi
40Sunrun Solar564.6★ (231)38 mi
41Revelation Solar Panel Cleaning565.0★ (58)21 mi
42Semper Solaris564.7★ (156)38 mi
43Energy Renovation Center563.7★ (43)16 mi
44Greencat, Inc.564.9★ (373)5 mi
45Scripps Solar Panel Cleaning555.0★ (129)34 mi
46ACOPOWER554.9★ (196)26 mi
47Solargem555.0★ (8)11 mi
48Sea Bright Solar554.4★ (141)9 mi
49Hydromax Exterior Solutions555.0★ (110)17 mi
50Elite Spotless Solar LLC555.0★ (7)10 mi

Also serving Rialto

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.

Unranked solar installers serving Rialto
BusinessGoogle ratingDistance
B K Window Cleaning5.0★ (2)24 mi
Built Services, Inc.5.0★ (2)24 mi
CALIFORNIA SOLAR SERVICES, INC5.0★ (2)18 mi
Cardenas Solar5.0★ (2)16 mi
Dan’s Roofing Company Riverside5.0★ (2)11 mi
Empower Service Partners5.0★ (2)24 mi
Eversun Solar Engineering LLC5.0★ (2)24 mi
Forme Solar - Inland Empire5.0★ (2)12 mi
HPM Solar5.0★ (2)20 mi
Jure Roofing & Solar5.0★ (2)5 mi
New Era Energy Electric5.0★ (2)24 mi
Raya Solar5.0★ (2)22 mi
Solar My Home Chino5.0★ (2)20 mi
Solar Vast1.0★ (2)14 mi
SolarGreen DirectPanel Chino Co5.0★ (2)20 mi
Sunbelt Solar Systems1.0★ (2)16 mi
Sunrun Solar and Tesla Powerwall3.0★ (2)11 mi
SunTech5.0★ (2)9 mi
Sunworks3.0★ (2)8 mi
ZenOut Construction Inc.2.0★ (2)20 mi

How much do solar installers cost in Rialto?

Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.

How much do solar installers cost in Rialto?
JobLowTypicalHighBasisChecked
Solar panel installation$29,770$33,680$36,640Per 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 Rialto solar installers

We scored 333 Rialto 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Rialto data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Solar installers in Rialto: frequently asked questions

Who is the best solar installer in Rialto?

By CR Score, the highest-ranked solar installer in Rialto, CA is Affordable Solar Cleaning Pros with a CR Score of 66/100. It has 5.0★ from 628 Google reviews. It is open 24/7. EnergyAid (#2) and Solar Express Cleaning (#3) follow. We ranked 333 solar installers on ten factors, last updated October 22, 2026.

How many solar installers are there in Rialto?

ContractorsRanked ranks 333 solar installers serving Rialto, CA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which solar installers in Rialto are open 24/7?

33 ranked solar installers in Rialto post 24/7 hours. The highest-ranked are Affordable Solar Cleaning Pros (#1), EnergyAid (#2) and Solar Express Cleaning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Rialto work on weekends?

188 of 333 ranked solar installers post Saturday hours and 100 post Sunday hours. The highest-ranked open Saturdays are Affordable Solar Cleaning Pros (#1), EnergyAid (#2) and Solar Express Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Rialto?

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 Rialto solar installers have?

The median Google rating among 333 rated solar installers in Rialto is 4.9★, with a median of 17 reviews. Guyou Roofing and Solar has the most, 1,365 reviews, and ranks #24. 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 Rialto count in this ranking?

Yes, if they are within 40 mi of the Rialto 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 Rialto

  1. October 2026: CR Scores recalculated for 333 solar installers serving Rialto.
  2. October 2026: 4 duplicate listings merged.

More solar installers and Rialto pages

Other trades in Rialto