144 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Charlestown: Boss Heating & Cooling Inc, CR Score 61/100; 4.9★ from 280 Google reviews.
Best for emergencies (open 24/7): AirTemp HVAC, posts 24/7 hours; ranked #2 of 144.
Most-reviewed: National Refrigeration Inc., 665 Google reviews at 4.9★, the most of 144 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
144 Charlestown HVAC contractors are ranked here by CR Score, from ten published factors. 21 are open 24/7, 54 open Saturdays and 37 open Sundays, based on posted hours. The median Google rating is 4.7★ across 144 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Boss Heating & Cooling Inc | 61 | 4.9★ (280) | Charlestown | — | Overall |
| 2 | AirTemp HVAC | 60 | 5.0★ (106) | Johnston, 20 mi away | 24/7 | Emergencies |
| 3 | South Shore Heating & Cooling Inc | 60 | 4.9★ (564) | Pawcatuck, 12 mi away | — | — |
| 4 | Heru hvac | 58 | 4.9★ (41) | Attleboro, 14 mi away | 24/7 | — |
| 5 | Priority One Oil Heat Service, Inc. | 58 | 4.9★ (35) | Hopkinton, 7 mi away | Sat · Sun | — |
| 6 | Kneeland heating & Cooling LLC | 58 | 4.6★ (169) | Groton, 22 mi away | 24/7 | — |
| 7 | Valley Heating & Cooling Inc | 58 | 3.9★ (56) | Hopkinton, 7 mi away | 24/7 | — |
| 8 | D&V Mechanical INC | 57 | 5.0★ (44) | Westerly, 7 mi away | Sat | — |
| 9 | Densmore Oil Company | 57 | 4.9★ (283) | Groton, 16 mi away | — | — |
| 10 | National Refrigeration Inc. | 57 | 4.9★ (665) | Warwick, 24 mi away | — | Most reviews |
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 280 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Johnston, 20 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pawcatuck, 12 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 564 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Attleboro, 14 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hopkinton, 7 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Groton, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 169 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hopkinton, 7 mi away
Ranked #7 because of its Google rating and trade focus: 3.9★ from 56 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westerly, 7 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Groton, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 283 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warwick, 24 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 665 Google reviews, the most in Charlestown.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seekonk, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Smithfield, 16 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seekonk, 14 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Groton, 13 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 256 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Kingstown, 8 mi away
Ranked #15 because of its Google rating and trade focus: 4.2★ from 41 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pawcatuck, 10 mi away
Ranked #16 because of its Google rating and trade focus: 3.8★ from 32 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coventry, 20 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 380 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bristol, 15 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warwick, 23 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in West Warwick, 24 mi away
Ranked #20 because of its Google rating and review volume: 4.8★ from 244 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Attleboro, 22 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plainfield, 14 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coventry, 24 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New London, 24 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 422 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cumberland, 14 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “HVAC contractor”.
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 144 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 |
|---|---|---|
| AllPhase Heating & Cooling | 3.0★ (54) | 21 mi |
| aplus plumbing&heating | 5.0★ (1) | 14 mi |
| Beaver River Heating & Cooling LLC | 3.0★ (2) | 13 mi |
| Big John's Plumbing & Heating | 5.0★ (1) | 14 mi |
| Chimney Works | 4.0★ (2) | 16 mi |
| Clermont Mechanical | 5.0★ (2) | 14 mi |
| D & J Plumbing & Heating Inc | 4.0★ (4) | In Charlestown |
| Dupuis Energy | 4.5★ (2) | 16 mi |
| Emergency Response Plumbing and Heating Inc | 5.0★ (2) | 16 mi |
| Fitzy Heating & Cooling LLC | 5.0★ (3) | 14 mi |
| Five Star Plumbing & Heating | 4.1★ (26) | 16 mi |
| G Hill Plumbing & Heating Inc | 1.0★ (1) | 10 mi |
| H K Heating Inc | 4.2★ (5) | 21 mi |
| Oceanside Plumbing & Heating | 5.0★ (1) | 5 mi |
| Pelletier & Son Plumbing & Heating | 5.0★ (2) | 20 mi |
| PRB Services | 3.5★ (2) | 23 mi |
| Rainville Plumbing & Heating | 5.0★ (4) | 24 mi |
| SMS Oil Burner Services Inc | 4.7★ (3) | 16 mi |
| VSP Plumbing & Heating | 1.0★ (2) | 19 mi |
| Wakefield Heating & Air Conditioning | 5.0★ (2) | 9 mi |
National price ranges in USD, not adjusted for Charlestown. 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 Rhode Island, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 144 Charlestown 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 Charlestown 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 |