13 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Signal Mountain: Southern Energy Water & Air, CR Score 55/100; 4.5★ from 103 Google reviews; open Saturdays until 9 PM.
Best for emergencies (open 24/7): Hanwha Q CELLS USA Inc., posts 24/7 hours; ranked #3 of 13.
Most-reviewed: Hanwha Q CELLS USA Inc., 46 Google reviews at 3.4★, the most of 13 ranked after Southern Energy Water & Air; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Signal Mountain solar installers are ranked here by CR Score, from ten published factors. 2 are open 24/7, 5 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.6★ across 13 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Southern Energy Water & Air | 55 | 4.5★ (103) | Chattanooga, 8 mi away | Sat · Evenings | Overall |
| 2 | Scenic City Solar | 54 | 4.7★ (23) | Chattanooga, 9 mi away | — | — |
| 3 | Hanwha Q CELLS USA Inc. | 54 | 3.4★ (46) | Dalton, 38 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Carbon Recall Chattanooga | 53 | 4.6★ (15) | Chattanooga, 8 mi away | — | — |
| 5 | Volunteer Solar | 50 | 5.0★ (7) | Cleveland, 26 mi away | Sat | — |
| 6 | TCI Roofing and Solar | 50 | 5.0★ (10) | Keystone, 35 mi away | 24/7 | — |
| 7 | Roofing & Solar Sales | 49 | 3.4★ (5) | Chattanooga, 9 mi away | Sat · Sun · Evenings | — |
| 8 | Northpoint Roofing Systems | 49 | 4.6★ (36) | Chattanooga, 11 mi away | — | — |
| 9 | Qcells USA Inc. _ Eagle Plant (Dalton) | 49 | 3.0★ (22) | Dalton, 38 mi away | — | — |
| 10 | SUNMAXTECH | 47 | 3.4★ (5) | Dalton, 34 mi away | — | — |
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 review volume: 4.5★ from 103 Google reviews, the most in Signal Mountain.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 9 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 23 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dalton, 38 mi away
Ranked #3 because of its Google rating and trade focus: 3.4★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 8 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cleveland, 26 mi away
Ranked #5 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.
Based in Keystone, 35 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 9 mi away
Ranked #7 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 11 mi away
Ranked #8 because of its Google rating and review volume: 4.6★ from 36 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dalton, 38 mi away
Ranked #9 because of its Google rating and trade focus: 3.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Dalton, 34 mi away
Ranked #10 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Chattanooga, 6 mi away
Ranked #11 because of its Google rating and review volume: 4.3★ from 16 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McMinnville, 39 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chattanooga, 13 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Electrical substation”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for Tennessee with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $23,510 | $26,600 | $28,930 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.85 East South Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 13 Signal Mountain 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 Signal Mountain 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 |