65 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Windsor: Independent Power, CR Score 60/100; 4.9★ from 373 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Lemons Heating & Cooling, posts 24/7 hours; ranked #3 of 65.
Most-reviewed: Red Rock Roofing, 528 Google reviews at 4.9★, the most of 65 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
65 Windsor solar installers are ranked here by CR Score, from ten published factors. 4 are open 24/7, 26 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.9★ across 65 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Independent Power | 60 | 4.9★ (373) | Boulder, 36 mi away | Sat · Sun · Evenings | Overall |
| 2 | Dodge Key Replacement | 60 | 4.8★ (134) | Longmont, 23 mi away | Sat · Sun | — |
| 3 | Lemons Heating & Cooling | 59 | 4.9★ (298) | Greeley, 11 mi away | 24/7 | Emergencies |
| 4 | Colorado Solar Co | 58 | 4.9★ (203) | Wellington, 17 mi away | — | — |
| 5 | ARE Solar | 58 | 5.0★ (67) | Erie, 31 mi away | Sat · Sun | — |
| 6 | Solar Pathways Energy & Electrical | 57 | 5.0★ (33) | Fort Collins, 10 mi away | 24/7 | — |
| 7 | Solar Sparkle Plus | 57 | 5.0★ (25) | Fort Collins, 14 mi away | — | — |
| 8 | Red Rock Roofing | 57 | 4.9★ (528) | Firestone, 22 mi away | Sat · Sun · Evenings | Most reviews |
| 9 | MG Cleaning Systems | 57 | 4.9★ (329) | Boulder, 27 mi away | 24/7 | — |
| 10 | Evident Solar | 57 | 5.0★ (6) | Fort Collins, 7 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 373 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 23 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 134 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greeley, 11 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 298 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wellington, 17 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 203 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Erie, 31 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 67 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 10 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 14 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar panel maintenance service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Firestone, 22 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 528 Google reviews, the most in Windsor.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Boulder, 27 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 329 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 7 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 9 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 49 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Boulder, 32 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 312 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 10 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 11 mi away
Ranked #14 because of its Google rating and review volume: 4.9★ from 263 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northglenn, 40 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 70 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 8 mi away
Ranked #16 because of its Google rating and trade focus: 4.0★ from 21 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 25 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 45 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 12 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Erie, 27 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 118 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 24 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 122 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 10 mi away
Ranked #21 because of its Google rating and review volume: 4.8★ from 375 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins, 11 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 13 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 279 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Longmont, 23 mi away
Ranked #24 because of its Google rating and review volume: 4.9★ from 155 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berthoud, 19 mi away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 38 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 65 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | BluGuard Solar | 53 | 4.9★ (9) | 10 mi |
| 27 | Sunrun Solar Northern Colorado | 53 | 3.0★ (4) | 12 mi |
| 28 | LUXRAY ELECTRIC & SOLAR | 53 | 5.0★ (41) | 25 mi |
| 29 | Off Grid Designs | 53 | 5.0★ (15) | 35 mi |
| 30 | ZenSolar | 52 | 4.8★ (5) | 11 mi |
| 31 | Flatiron Solar | 52 | 5.0★ (10) | 31 mi |
| 32 | Jack's Solar Garden | 52 | 5.0★ (8) | 27 mi |
| 33 | Sandbox Solar LLC | 52 | 4.8★ (24) | 7 mi |
| 34 | Solaris Energy | 52 | 5.0★ (5) | 12 mi |
| 35 | Phil's Pro Painting and Home Improvements | 51 | 5.0★ (7) | 2 mi |
| 36 | Happy Solar | 51 | 4.7★ (11) | 35 mi |
| 37 | Excited Energy LLC | 51 | 4.9★ (8) | 35 mi |
| 38 | Serenity Construction: Painting & Decorating LLC | 51 | 4.8★ (61) | 19 mi |
| 39 | Rebel Services LLC | 51 | 4.9★ (21) | 36 mi |
| 40 | Roof Worx | 50 | 4.9★ (400) | 39 mi |
| 41 | This Efficient House | 50 | 4.5★ (24) | 11 mi |
| 42 | The Master's Builder Construction Inc | 50 | 5.0★ (6) | In Windsor |
| 43 | Service Guys Roofing | 49 | 5.0★ (41) | 29 mi |
| 44 | Lifetime Roof and Solar | 49 | 5.0★ (7) | 10 mi |
| 45 | Sharing Sun Solar | 49 | 5.0★ (6) | 35 mi |
| 46 | Colorado Roofing Inc. | 49 | 4.8★ (55) | 34 mi |
| 47 | Long Grass Landscape LLC | 48 | 5.0★ (5) | 8 mi |
| 48 | 12 Stones Roofing and Solar | 48 | 4.1★ (7) | 23 mi |
| 49 | Interstate Roofing | 48 | 4.2★ (35) | 10 mi |
| 50 | Wunder | 48 | 4.3★ (6) | 38 mi |
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 |
|---|---|---|
| A. Adkisson Electric | 5.0★ (2) | 12 mi |
| About Time Solar LLC | 5.0★ (1) | 19 mi |
| AES Distributed Energy | 5.0★ (1) | 38 mi |
| Affordable 1 Solar | 1.0★ (1) | 37 mi |
| Altitude Solar Power | 5.0★ (1) | 38 mi |
| Amicus Solar | 5.0★ (1) | 32 mi |
| Apollo Energy Fort Collins | 5.0★ (1) | 11 mi |
| Community Solar Hub | 4.0★ (1) | 38 mi |
| Elite Roofing & Solar - Fort Collins | 3.0★ (2) | 25 mi |
| HG Solar | 1.0★ (2) | 19 mi |
| Hyperion Solar Cleaning | 5.0★ (2) | 24 mi |
| Independent Power - Fort Collins | 5.0★ (2) | 11 mi |
| Juwi Solar Inc | 5.0★ (2) | 37 mi |
| Lumen Energy LLC | 1.0★ (1) | 38 mi |
| New Energy Structures Company | 5.0★ (1) | 25 mi |
| Sky High Solar LLC | 7 mi | |
| SouthRay Energy LLC | 10 mi | |
| Stingray Solar | 5.0★ (1) | 15 mi |
| Tesla Solar Fort Collins | 2.0★ (1) | 9 mi |
| The Solar Guys of Northern Colorado | 9 mi |
Typical prices in USD, adjusted for Colorado with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $25,190 | $28,490 | $30,990 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.92 Mountain factor (2025 Cost vs. Value Report) | October 2026 |
We scored 65 Windsor 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 Windsor 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 |