25 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Williamston: Dunlow Mechanical, CR Score 60/100; 4.8★ from 56 Google reviews.
Best for emergencies (open 24/7): American Facility Solutions, posts 24/7 hours; ranked #12 of 25.
Most-reviewed: The Air Doctor, 74 Google reviews at 4.8★, the most of 25 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Williamston HVAC contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 8 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.2★ across 25 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Dunlow Mechanical | 60 | 4.8★ (56) | Williamston | — | Overall |
| 2 | The Air Doctor | 60 | 4.8★ (74) | Greenville, 19 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Anderson's Heating and Air Conditioning | 59 | 4.8★ (72) | Greenville, 25 mi away | Sat · Sun | — |
| 4 | Bowen Heating Air & Refrigeration Inc | 58 | 4.1★ (22) | Williamston | — | — |
| 5 | Roberson's Heating & Air Inc | 58 | 4.1★ (47) | Williamston | — | — |
| 6 | Barnhill Electric Service | 55 | 3.6★ (9) | Williamston | Sat | — |
| 7 | Corey Heating, Air Conditioning & Plumbing, Inc. | 55 | 4.3★ (13) | Williamston | — | — |
| 8 | AB SERVICES LLC | 55 | 5.0★ (18) | Greenville, 23 mi away | Sat · Sun · Evenings | — |
| 9 | Sam Pollard and Son, Inc. Heating, Air Conditioning, Plumbing, and Electrical | 53 | 4.1★ (59) | Greenville, 20 mi away | — | — |
| 10 | Roberson Heating & Air Conditioning | 53 | 3.2★ (26) | Washington, 21 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: 4.8★ from 56 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 19 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 74 Google reviews, the most in Williamston.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 25 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 72 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamston
Ranked #4 because of its Google rating and trade focus: 4.1★ from 22 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Williamston
Ranked #5 because of its Google rating and trade focus: 4.1★ from 47 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamston
Ranked #6 because of its Google rating and trade focus: 3.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williamston
Ranked #7 because of its Google rating and trade focus: 4.3★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 23 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 20 mi away
Ranked #9 because of its Google rating and trade focus: 4.1★ from 59 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 21 mi away
Ranked #10 because of its Google rating and trade focus: 3.2★ from 26 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 21 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 22 mi away
Ranked #12 because of its Google rating and trade focus: 3.5★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 20 mi away
Ranked #13 because of its Google rating and trade focus: 4.3★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 21 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 22 mi away
Ranked #15 because of its Google rating and trade focus: 3.8★ from 31 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.4★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 25 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 24 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 23 mi away
Ranked #19 because of its Google rating and trade focus: 4.0★ from 22 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 22 mi away
Ranked #21 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Washington, 22 mi away
Ranked #22 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 25 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Washington, 19 mi away
Ranked #24 because of its Google rating and trade focus: 1.5★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Washington, 20 mi away
Ranked #25 because of its Google rating and review volume: 3.3★ from 19 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
7 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 |
|---|---|---|
| CMS Mechanical | 23 mi | |
| Cox's Plumbing Heating & AC | 3.0★ (2) | 20 mi |
| ENC Comfort | 25 mi | |
| Etchison's HVAC & Refrigeration | 5.0★ (1) | 24 mi |
| Lee Turner Plumbing | 5.0★ (7) | In Williamston |
| North Carolina Heating & AC | 5.0★ (1) | 24 mi |
| Northeast heating and cooling | 5.0★ (1) | 13 mi |
National price ranges in USD, not adjusted for Williamston. 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 25 Williamston 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 Williamston 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 |