32 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Janesville: Edelman Heating, Cooling, Plumbing, Electric & Solar, CR Score 57/100; 4.8★ from 396 Google reviews; open 24/7.
Best for emergencies (open 24/7): Kettle Moraine Heating & Air Conditioning, LLC, posts 24/7 hours; ranked #2 of 32.
Most-reviewed: Kettle Moraine Heating & Air Conditioning, LLC, 4,102 Google reviews at 4.9★, the most of 32 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
32 Janesville solar installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 15 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.8★ across 32 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Edelman Heating, Cooling, Plumbing, Electric & Solar | 57 | 4.8★ (396) | Elkhorn, 23 mi away | 24/7 | Overall |
| 2 | Kettle Moraine Heating & Air Conditioning, LLC | 56 | 4.9★ (4,102) | Delafield, 39 mi away | 24/7 | Emergencies, Most reviews |
| 3 | CCC Solar | 54 | 5.0★ (18) | Loves Park, 27 mi away | Sat · Sun | — |
| 4 | Burlington Fireplace & Solar | 54 | 5.0★ (1,754) | Burlington, 38 mi away | Sat | — |
| 5 | All Energy Solar | 54 | 4.7★ (100) | Madison, 29 mi away | Sat · Evenings | — |
| 6 | Everlight Solar | 54 | 4.5★ (1,361) | Verona, 32 mi away | — | — |
| 7 | Greenlink Energy Solutions | 54 | 4.9★ (203) | Rockford, 31 mi away | — | — |
| 8 | Drews Solar | 54 | 5.0★ (146) | Madison, 32 mi away | — | — |
| 9 | Full Spectrum Solar | 54 | 5.0★ (173) | Madison, 33 mi away | — | — |
| 10 | Saint Electric | 53 | 4.4★ (47) | Beloit, 3 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Janesville
Based in Elkhorn, 23 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 396 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delafield, 39 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 4,102 Google reviews, the most in Janesville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loves Park, 27 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 38 mi away
Ranked #4 because of its Google rating and review volume: 5.0★ from 1,754 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 29 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 100 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Verona, 32 mi away
Ranked #6 because of its Google rating and trade focus: 4.5★ from 1,361 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 31 mi away
Ranked #7 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 Madison, 32 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 146 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 33 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 173 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beloit, 3 mi away
Ranked #10 because of its Google rating and availability: 4.4★ from 47 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 33 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 31 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar energy system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Janesville
Ranked #13 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stoughton, 20 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 31 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 31 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 104 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marengo, 37 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ 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 Roscoe, 18 mi away
Ranked #18 because of its Google rating and review volume: 4.8★ from 135 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 30 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ 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 Rockford, 29 mi away
Ranked #20 because of its Google rating and trade focus: 4.6★ from 103 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 31 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Mills, 26 mi away
Ranked #22 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 Madison, 30 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 37 mi away
Ranked #24 because of its Google rating and trade focus: 1.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Idabel, 37 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 56 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #32, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | SOLENERGY | 47 | 3.9★ (28) | 39 mi |
| 27 | SunVest Solar, LLC | 47 | 4.0★ (3) | 33 mi |
| 28 | RENAISSANCE Historic Exteriors | 47 | 4.8★ (50) | 31 mi |
| 29 | Epic Electric, Inc. | 45 | 4.0★ (8) | 31 mi |
| 30 | Nelrock Contracting | 45 | 5.0★ (18) | 26 mi |
| 31 | Sun Vault Roofing | 45 | 5.0★ (32) | 34 mi |
| 32 | RMZ Enterprises, LLC | 44 | 5.0★ (10) | 35 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 |
|---|---|---|
| 4K Techs LLC | 5.0★ (2) | 19 mi |
| Agsun Corporation | 4.4★ (27) | In Janesville |
| American Power Inc | 4.5★ (20) | In Janesville |
| Black Wolf Service LLC | 34 mi | |
| Complete RE Services LLC | 4.8★ (19) | In Janesville |
| Cullen Enterprises of Wisconsin | 5.0★ (3) | In Janesville |
| DMR Exteriors | 5.0★ (62) | In Janesville |
| Effortless Solar | 30 mi | |
| Exceptional Homes by Tuscany, LLC | In Janesville | |
| Hamilton Solar EnergyServices | 33 mi | |
| Martindale Pinnacle Construction | 4.2★ (86) | In Janesville |
| Pieper Electric, Inc. | 5.0★ (9) | In Janesville |
| Roofing Guy Janesville | 4.7★ (15) | In Janesville |
| SolarShare Wisconsin Cooperative | 33 mi | |
| Supreme Construction/Solar | 14 mi | |
| The State Group Industrial USA Ltd | 5.0★ (2) | In Janesville |
| TOTAL Mechanical, LLC Janesville | 5.0★ (1) | In Janesville |
| WES Engineering Inc | 5.0★ (1) | 33 mi |
| Westphal & Co Inc. | 4.6★ (27) | In Janesville |
| Wisconsin Home Inspection Associates, LLC | In Janesville |
Typical prices in USD, adjusted for Wisconsin with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $26,020 | $29,430 | $32,010 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.95 East North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 32 Janesville 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 23, 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 Janesville 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 |