338 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in South Gastonia: GSM Services, CR Score 65/100; 4.9★ from 3,506 Google reviews; open 24/7.
Best for emergencies (open 24/7): Morris-Jenkins, posts 24/7 hours; ranked #2 of 338.
Most-reviewed: Morris-Jenkins, 33,060 Google reviews at 4.9★, the most of 338 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
338 South Gastonia HVAC contractors are ranked here by CR Score, from ten published factors. 111 are open 24/7, 229 open Saturdays and 168 open Sundays, based on posted hours. The median Google rating is 4.9★ across 338 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | GSM Services | 65 | 4.9★ (3,506) | Gastonia, 4 mi away | 24/7 | Overall |
| 2 | Morris-Jenkins | 64 | 4.9★ (33,060) | Charlotte, 16 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Roland Black Heating, Cooling, Plumbing & Generators | 63 | 4.9★ (1,054) | Gastonia, 3 mi away | 24/7 | — |
| 4 | Dilling Heating, Cooling, Plumbing & Electrical | 62 | 4.9★ (5,474) | Charlotte, 18 mi away | 24/7 | — |
| 5 | One Hour Heating & Air Conditioning of Charlotte | 62 | 4.8★ (5,915) | Charlotte, 16 mi away | 24/7 | — |
| 6 | Andy Lewis Heating & Air Conditioning | 61 | 4.8★ (2,873) | Charlotte, 13 mi away | 24/7 | — |
| 7 | Horne HVAC Charlotte | 61 | 4.9★ (3,048) | Charlotte, 17 mi away | 24/7 | — |
| 8 | Bradham Comfort Services, Inc. | 61 | 4.9★ (2,632) | Charlotte, 17 mi away | 24/7 | — |
| 9 | Rudy Cools Heating & Air Conditioning | 61 | 4.9★ (807) | Gastonia, 5 mi away | Sat · Sun · Evenings | — |
| 10 | Liberty Air LLC | 60 | 5.0★ (343) | Belmont, 11 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 3,506 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 16 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 33,060 Google reviews, the most in South Gastonia.
Based in Gastonia, 3 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,054 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 18 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 5,474 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 16 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 5,915 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 13 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 2,873 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 17 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 3,048 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 17 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 2,632 Google reviews, listed on Google as “HVAC contractor”.
Based in Gastonia, 5 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 807 Google reviews, listed on Google as “HVAC contractor”.
Based in Belmont, 11 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 343 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 17 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 2,919 Google reviews, listed on Google as “HVAC contractor”.
Based in Gastonia, 8 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “HVAC contractor”.
Based in Gastonia, 5 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 444 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 4,070 Google reviews, listed on Google as “HVAC contractor”.
Based in Belmont, 7 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 118 Google reviews, listed on Google as “HVAC contractor”.
Based in Fort Mill, 19 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 1,231 Google reviews, listed on Google as “HVAC contractor”.
Based in Fort Mill, 19 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,411 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 18 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 1,656 Google reviews, listed on Google as “HVAC contractor”.
Based in Fort Mill, 19 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 1,028 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 18 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,496 Google reviews, listed on Google as “HVAC contractor”.
Based in Rock Hill, 18 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 812 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 1,453 Google reviews, listed on Google as “HVAC contractor”.
Based in Charlotte, 18 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 496 Google reviews, listed on Google as “HVAC contractor”.
Based in Rock Hill, 21 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 1,017 Google reviews, listed on Google as “HVAC contractor”.
Based in Rock Hill, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 719 Google reviews, listed on Google as “HVAC contractor”.
#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 338 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 25 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 |
|---|---|---|
| Aiken Heating & Air Conditioning | 5.0★ (6) | 3 mi |
| Air Carolinas | 4.9★ (238) | 18 mi |
| Aire Serv of South Charlotte | 5.0★ (105) | 17 mi |
| Airstream Heating and Cooling, LLC | 5.0★ (2) | 5 mi |
| Blue Sky Mechanical | 5.0★ (2) | 16 mi |
| Carolina Heating & Cooling Inc | 3.0★ (2) | 9 mi |
| EAS Inc | 3.5★ (2) | 7 mi |
| First Responders Heating and Air Conditioning LLC | 5.0★ (2) | 3 mi |
| Gastonia Sheet Metal | 4.7★ (12) | 3 mi |
| HVAC Service Corporation | 5.0★ (2) | 3 mi |
| LH Heating & Cooling | 5.0★ (2) | 14 mi |
| Mabreeze HVAC | 5.0★ (68) | 13 mi |
| Precision Plumbing, Heating & Air | 4.9★ (482) | 18 mi |
| Prestige Heating & Air Llc | 1.0★ (2) | 20 mi |
| Progressive Service Company | 4.6★ (311) | 13 mi |
| Robertson Heating & A/C Inc | 5.0★ (2) | 22 mi |
| Rust Mechanical, LLC | 5.0★ (2) | 16 mi |
| Tadlock Construction Service’s LLC | 5.0★ (2) | 10 mi |
| TC Mechanical LLC | 5.0★ (2) | 9 mi |
| Waycaster Mechanical Inc | 5.0★ (2) | 4 mi |
National price ranges in USD, not adjusted for South Gastonia. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In North Carolina, North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors licenses Heating and air conditioning contractor licenses.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 338 South Gastonia HVAC contractors 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 South Gastonia 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 |