20 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Waterloo: Halco of Rochester, CR Score 85/100; 5.0★ from 877 Google reviews; open 24/7.
Best for emergencies (open 24/7): Fleming Heating & Air Conditioning, posts 24/7 hours; ranked #6 of 20.
Most-reviewed: Michael C. Graham & Son, 113 Google reviews at 5.0★, the most of 20 ranked after Halco of Rochester; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Waterloo solar installers are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 10 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 20 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Halco of Rochester | 85 | 5.0★ (877) | Rochester, 35 mi away | 24/7 | Overall |
| 2 | Happy Solar | 81 | 4.9★ (59) | Brighton, 32 mi away | Sat · Sun · Evenings | — |
| 3 | Nickels Energy Solutions | 81 | 4.9★ (38) | Baldwinsville, 37 mi away | Sat · Sun · Evenings | — |
| 4 | Paradise Energy Solutions | 79 | 4.9★ (50) | Geneva, 6 mi away | — | — |
| 5 | New York Electric And Solar | 78 | 5.0★ (49) | Syracuse, 37 mi away | Sat · Evenings | — |
| 6 | Fleming Heating & Air Conditioning | 78 | 5.0★ (14) | Irondequoit, 25 mi away | 24/7 | Emergencies |
| 7 | NOCO Fuels and Energy | 78 | 2.0★ (4) | Syracuse, 38 mi away | 24/7 | — |
| 8 | Allstate Roofing & More LLC | 76 | 4.6★ (35) | Syracuse, 37 mi away | 24/7 | — |
| 9 | Leo J Roth Corporation | 75 | 4.3★ (24) | Webster, 37 mi away | 24/7 | — |
| 10 | Albany County Solar Cleaning | 73 | 5.0★ (3) | Albany, 33 mi away | Sat · Evenings | — |
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.
Ranked #1 because of its Google rating and review volume: 5.0★ from 877 Google reviews, the most Google reviews on this list (877).
Based in Brighton, 32 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Solar energy company”.
Based in Baldwinsville, 37 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Solar energy company”.
Based in Geneva, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Solar energy company”.
Based in Syracuse, 37 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Solar energy company”.
Based in Irondequoit, 25 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
Based in Syracuse, 38 mi away
Ranked #7 because of its Google rating and availability: 2.0★ from 4 Google reviews, open 24/7.
Based in Syracuse, 37 mi away
Ranked #8 because of its Google rating and availability: 4.6★ from 35 Google reviews, open 24/7.
Based in Webster, 37 mi away
Ranked #9 because of its Google rating and availability: 4.3★ from 24 Google reviews, open 24/7.
Based in Albany, 33 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy system service”.
Based in Geneva, 7 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based in Syracuse, 40 mi away
Ranked #12 because of its Google rating and availability: 3.5★ from 29 Google reviews, open 24/7.
Based in Brighton, 33 mi away
Ranked #13 because of its Google rating and trade focus: 4.1★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based in Ithaca, 38 mi away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 50 Google reviews, listed on Google as “Solar energy company”.
Based in Newark, 16 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 14 Google reviews, listed on Google as “Window installation service”.
Based in Syracuse, 33 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 113 Google reviews, 113 Google reviews.
Based in Brighton, 32 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 37 Google reviews, 37 Google reviews.
Based in Ithaca, 38 mi away
Ranked #18 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based in Ithaca, 35 mi away
Ranked #19 because of its Google rating and trade focus: 3.5★ from 17 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Webster, 37 mi away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Solar energy equipment supplier”.
16 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 |
|---|---|---|
| Brownfield Group | 21 mi | |
| Community Solar Authority - Central NY | 35 mi | |
| E-Z Companies - Sitework/Excavating | 5.0★ (1) | 36 mi |
| LRM Community Solar | 1.0★ (1) | 36 mi |
| Norbut Solar Farms | 5.0★ (1) | 40 mi |
| Onsite Solar | 5.0★ (1) | 37 mi |
| Radiant Energy CNY | 27 mi | |
| RPS Community Solar | 38 mi | |
| Solar Home Factory | 6 mi | |
| Solar Home Factory Sales Office | 7 mi | |
| Solar Power Lifestyle | 32 mi | |
| State Fair Solar Solutions | 5.0★ (2) | 39 mi |
| Steamback Renewable Thermal | 5.0★ (1) | 37 mi |
| Warner Energy LLC | 5.0★ (1) | 37 mi |
| West Energy Wisdom LLC | 18 mi | |
| www.shopsolarlabels.com | 39 mi |
Typical prices in USD, adjusted for New York with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $33,090 | $37,430 | $40,720 | 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) | October 2026 |
We scored 20 Waterloo 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 Waterloo 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 |