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Best Solar Installers in Deer Park, NY (2026)

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

The short answer

  1. 1

    Best overall in Deer Park: Long Island Power Solutions, CR Score 64/100; 4.9★ from 791 Google reviews; open 7 days a week.

  2. 3

    Best for emergencies (open 24/7): Renew Solar Services, posts 24/7 hours; ranked #3 of 186.

  3. 4

    Most-reviewed: NY State Solar, 1,072 Google reviews at 4.8★, the most of 186 ranked; ranked #4.

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

186 Deer Park solar installers are ranked here by CR Score, from ten published factors. 19 are open 24/7, 89 open Saturdays and 57 open Sundays, based on posted hours. The median Google rating is 4.9★ across 186 rated businesses.

Top 10 solar installers in Deer Park at a glance

Top 10 solar installers in Deer Park at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Long Island Power Solutions644.9★ (791)Ronkonkoma, 11 mi awaySat · Sun · EveningsOverall
2SUNation Energy634.7★ (930)Ronkonkoma, 11 mi awaySat · Sun—
3Renew Solar Services635.0★ (85)Babylon, 4 mi away24/7Emergencies
4NY State Solar634.8★ (1,072)Hicksville, 11 mi awaySat · EveningsMost reviews
5Truth Solar625.0★ (57)Hauppauge, 7 mi away24/7—
6Momentum Solar New York604.4★ (751)Plainview, 7 mi awaySat · Evenings—
7Wood Kingdom West604.5★ (184)Farmingdale, 5 mi awaySat · Sun—
8GreenLeaf Solar604.7★ (95)Centereach, 16 mi away24/7—
9Sunrun Solar604.4★ (308)Westbury, 12 mi awaySat · Sun—
10New York Power Solutions - Smarter Solar594.9★ (248)White Plains, 30 mi awaySat · Sun · Evenings—

The 186 best solar installers in Deer Park, ranked

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

  1. Ranked #1 in Deer Park

    Based in Ronkonkoma, 11 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 791 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.9★ from 791 Google reviews
    Hours
    Mon–Thu 9 AM–9 PM · Fri 9 AM–8 PM · Sat–Sun 9 AM–5 PM
    Address
    2060 Ocean Ave, Ronkonkoma, NY 11779
  2. Based in Ronkonkoma, 11 mi away

    63/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.7★ from 930 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.7★ from 930 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–3 PM · Sun 9 AM–2 PM
    Address
    171 Remington Blvd, Ronkonkoma, NY 11779
  3. Based in Babylon, 4 mi away

    63/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 85 Google reviews, listed on Google as “Solar energy company”.

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

    • 5.0★ from 85 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    32 Florence Ct, Babylon, NY 11702
  4. Based in Hicksville, 11 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and review volume: 4.8★ from 1,072 Google reviews, the most in Deer Park.

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

    • 4.8★ from 1,072 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat 8 AM–12 PM · Sun closed
    Address
    385 W John St Unit 100, Hicksville, NY 11801
  5. Based in Hauppauge, 7 mi away

    62/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Solar energy company”.

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

    • 5.0★ from 57 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2150 Joshuas Path Suite 16, Hauppauge, NY 11788
  6. Based in Plainview, 7 mi away

    60/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.4★ from 751 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.4★ from 751 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat 8 AM–7 PM · Sun closed
    Address
    45 Fairchild Ave suite b, Plainview, NY 11803
  7. Based in Farmingdale, 5 mi away

    60/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.5★ from 184 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.5★ from 184 Google reviews
    Hours
    Mon–Sat 9 AM–5 PM · Sun 10 AM–4 PM
    Address
    120 Milbar Blvd, Farmingdale, NY 11735
  8. Based in Centereach, 16 mi away

    60/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.7★ from 95 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.7★ from 95 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11 Technology Dr, Setauket- East Setauket, NY 11733
  9. Based in Westbury, 12 mi away

    60/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.4★ from 308 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.4★ from 308 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    177 Cantiague Rock Rd, Westbury, NY 11590
  10. Based in Farmingdale, 5 mi away

    59/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.9★ from 38 Google reviews
    Hours
    Mon–Sat 9 AM–8 PM · Sun 10 AM–2 PM
    Address
    100 Smith St, Farmingdale, NY 11735
  11. 59/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Solar energy company”.

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

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun 8 AM–4 PM
    Address
    399 Little East Neck Rd, West Babylon, NY 11704
  12. Based in Ronkonkoma, 11 mi away

    58/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.9★ from 46 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat–Sun 9 AM–5 PM
    Address
    1993 Pond Rd, Ronkonkoma, NY 11779
  13. Based in Ronkonkoma, 10 mi away

    58/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.4★ from 214 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.4★ from 214 Google reviews
    Hours
    Mon–Fri 9 AM–8 PM · Sat 10 AM–4 PM · Sun closed
    Address
    2180 5th Ave #1, Ronkonkoma, NY 11779
  14. Based in Hicksville, 9 mi away

    58/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.7★ from 33 Google reviews
    Hours
    Mon–Fri 8:30 AM–8:30 PM · Sat 9:30 PM–12 AM · Sun 12 AM–5:30 PM
    Address
    505 S Broadway Unit 1A, Hicksville, NY 11801
  15. Based in Greenburgh, 33 mi away

    57/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.6★ from 269 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.6★ from 269 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    570 Taxter Rd, Elmsford, NY 10523
  16. Based in Coram, 20 mi away

    57/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Solar energy company”.

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

    • 5.0★ from 75 Google reviews
    Hours
    Mon–Fri 8:30 AM–7 PM · Sat 8:30 AM–5 PM · Sun closed
  17. Based in Darien, 23 mi away

    57/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.7★ from 563 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.7★ from 563 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun closed
    Address
    30 Old Kings Hwy S #1001, Darien, CT 06820
  18. Based in Brooklyn, 34 mi away

    56/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.8★ from 263 Google reviews, listed on Google as “Solar energy company”.

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

    • 4.8★ from 263 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat 9 AM–5 PM · Sun closed
    Address
    150 Kenilworth Pl, Brooklyn, NY 11210
  19. 56/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 70 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 70 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–4 PM · Sun closed
    Address
    34 Bradford Rd, Valley Stream, NY 11580
  20. Based in Jamaica, 25 mi away

    56/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Solar energy system service”.

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

    • 4.9★ from 43 Google reviews
    Hours
    Mon–Fri 9 AM–10 PM · Sat 9 AM–6 PM · Sun 9 AM–3 PM
    Address
    157-11 Rockaway Blvd Suite 203, Jamaica, NY 11434

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

solar installers in Deer Park, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Harmony Energy565.0★ (32)12 mi
27Marcor Solar564.9★ (49)4 mi
28Long Island Solar Sales565.0★ (25)6 mi
29Solaroof NY564.9★ (53)5 mi
30US Solar Enterprise564.4★ (34)15 mi
31Harbor Energy Solutions565.0★ (24)20 mi
32Hytech Home564.8★ (475)2 mi
33SunQuest Solar564.9★ (80)26 mi
34Advanced Solar Solutions554.9★ (70)26 mi
35ECOVOLT: Solar Energy555.0★ (6)18 mi
36Sunmotion555.0★ (16)19 mi
37Professional Power Electric554.8★ (43)In Deer Park
38Precision Solar555.0★ (140)30 mi
39Solarblocks Energy555.0★ (31)21 mi
40Kamtech Solar Solutions554.8★ (146)24 mi
41Evolve Energy Group554.4★ (7)19 mi
42Brooklyn SolarWorks554.9★ (235)35 mi
43NYS Essential Power554.5★ (104)13 mi
44SunNectar555.0★ (8)14 mi
45Long Island Precision Roofing545.0★ (200)10 mi
46Parkway Solar Installation544.8★ (47)28 mi
47Marcor Construction544.9★ (381)4 mi
48Blue Shield Solar545.0★ (25)34 mi
49Freedom Solar Installation545.0★ (43)31 mi
50Energy By Choice, LTD.545.0★ (23)10 mi

Also serving Deer Park

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 Deer Park
BusinessGoogle ratingDistance
1st Light Energy3.0★ (2)25 mi
All Seasons Solar5.0★ (1)10 mi
Build My Solar5.0★ (2)12 mi
CVE North America3.0★ (2)34 mi
Delaware River Solar3.0★ (2)34 mi
Dynamic Solar LLC5.0★ (1)7 mi
EnergyPro Insulation4.5★ (2)35 mi
Forever Roofing LLC4.0★ (2)27 mi
Kamtech Solar5.0★ (2)3 mi
LICSC Long Island commercial solar cleaning5.0★ (1)5 mi
Medford Solar Power5.0★ (2)18 mi
Monalisa Sun3.0★ (2)34 mi
MRK Solar5.0★ (2)34 mi
Newman SolarIn Deer Park
NJ Solar Panels5.0★ (2)33 mi
Norwalk Solar4.5★ (2)25 mi
Solar Energy Ads5.0★ (2)28 mi
Solares Ceramic & Remodeling Services5.0★ (2)27 mi
Solectric NY5.0★ (2)21 mi
Star Power Solar5.0★ (2)5 mi

How much do solar installers cost in Deer Park?

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

How much do solar installers cost in Deer Park?
JobLowTypicalHighBasisChecked
Solar panel installation$33,090$37,430$40,720Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.20 Middle Atlantic factor (2025 Cost vs. Value Report)October 2026

How we ranked Deer Park solar installers

We scored 186 Deer Park 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 Deer Park 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 Deer Park: frequently asked questions

Who is the best solar installer in Deer Park?

By CR Score, the highest-ranked solar installer in Deer Park, NY is Long Island Power Solutions with a CR Score of 64/100. It has 4.9★ from 791 Google reviews. It is open 7 days a week. SUNation Energy (#2) and Renew Solar Services (#3) follow. We ranked 186 solar installers on ten factors, last updated October 22, 2026.

How many solar installers are there in Deer Park?

ContractorsRanked ranks 186 solar installers serving Deer Park, NY. 2 of them are based in Deer Park; 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 Deer Park are open 24/7?

19 ranked solar installers in Deer Park post 24/7 hours. The highest-ranked are Renew Solar Services (#3), Truth Solar (#5) and GreenLeaf Solar (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Deer Park work on weekends?

89 of 186 ranked solar installers post Saturday hours and 57 post Sunday hours. The highest-ranked open Saturdays are Long Island Power Solutions (#1), SUNation Energy (#2) and Renew Solar Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Deer Park?

Solar panel installation typically costs $33,090 to $40,720, with $37,430 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.20 Middle Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for New York. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Deer Park solar installers have?

The median Google rating among 186 rated solar installers in Deer Park is 4.9★, with a median of 24 reviews. NY State Solar has the most, 1,072 reviews, and ranks #4. 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 Deer Park count in this ranking?

Yes, if they are within 40 mi of the Deer Park 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 Deer Park

  1. October 2026: CR Scores recalculated for 186 solar installers serving Deer Park.
  2. October 2026: 1 duplicate listing merged.

More solar installers and Deer Park pages

Other trades in Deer Park