628 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Smithfield: GEM Plumbing and Heating, CR Score 93/100; 4.6★ from 6,353 Google reviews; open 24/7.
Best for emergencies (open 24/7): Prime Heating & Cooling, posts 24/7 hours; ranked #2 of 628.
Most-reviewed: Landry Mechanical Inc Plumbing HVAC & Electric, 3,030 Google reviews at 4.8★, the most of 628 ranked after GEM Plumbing and Heating; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
628 Smithfield HVAC contractors are ranked here by CR Score, from 8 published factors. 170 are open 24/7, 319 open Saturdays and 218 open Sundays, based on posted hours. The median Google rating is 4.8★ across 628 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | GEM Plumbing and Heating | 93 | 4.6★ (6,353) | Lincoln, 4 mi away | 24/7 | Overall |
| 2 | Prime Heating & Cooling | 92 | 4.8★ (694) | Smithfield | 24/7 | Emergencies |
| 3 | Notturno Home Services | 92 | 4.9★ (1,586) | Blackstone, 9 mi away | 24/7 | — |
| 4 | Air Duct Cleaning of New England | 90 | 5.0★ (104) | Smithfield | 24/7 | — |
| 5 | G&C Plumbing & Heating | 90 | 4.9★ (990) | Franklin, 13 mi away | 24/7 | — |
| 6 | Accurate Baker Elman | 89 | 4.9★ (508) | Franklin, 13 mi away | 24/7 | — |
| 7 | Superior Comfort Incorporated | 89 | 4.9★ (1,721) | Bristol, 21 mi away | 24/7 | — |
| 8 | Heritage Home Service | 89 | 4.9★ (2,563) | Auburn, 24 mi away | 24/7 | — |
| 9 | Nicholson Plumbing, Electrical, Heating, and Air Conditioning | 89 | 4.8★ (2,950) | Holliston, 22 mi away | 24/7 | — |
| 10 | All-Temp Systems Mechanical, LLC | 89 | 4.9★ (533) | Milford, 15 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.6★ from 6,353 Google reviews, the most Google reviews on this list (6,353).
Based in Smithfield
Ranked #2 because of its Google rating and availability: 4.8★ from 694 Google reviews, open 24/7.
Based in Blackstone, 9 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 1,586 Google reviews, open 24/7.
Based in Smithfield
Ranked #4 because of its Google rating and availability: 5.0★ from 104 Google reviews, open 24/7.
Based in Franklin, 13 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 990 Google reviews, open 24/7.
Based in Franklin, 13 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 508 Google reviews, open 24/7.
Based in Bristol, 21 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 1,721 Google reviews, open 24/7.
Based in Auburn, 24 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 2,563 Google reviews, open 24/7.
Based in Holliston, 22 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 2,950 Google reviews, open 24/7.
Based in Milford, 15 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 533 Google reviews, open 24/7.
Based in Millbury, 22 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 3,030 Google reviews, open 24/7.
Based in Attleboro, 10 mi away
Ranked #12 because of its Google rating and availability: 4.8★ from 371 Google reviews, open 24/7.
Based in Attleboro, 14 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 400 Google reviews, open 24/7.
Based in North Smithfield, 4 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 45 Google reviews, open 24/7.
Based in Providence, 11 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 146 Google reviews, open 24/7.
Based in Smithfield
Ranked #16 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
Based in Shrewsbury, 25 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 586 Google reviews, open 24/7.
Based in Attleboro, 25 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 585 Google reviews, open 24/7.
Based in Mansfield, 20 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 409 Google reviews, open 24/7.
Based in Grafton, 24 mi away
Ranked #20 because of its Google rating and availability: 4.9★ from 781 Google reviews, open 24/7.
Based in Uxbridge, 13 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 126 Google reviews, open 24/7.
Based in Warwick, 15 mi away
Ranked #22 because of its Google rating and availability: 4.8★ from 259 Google reviews, open 24/7.
Based in Attleboro, 12 mi away
Ranked #23 because of its Google rating and availability: 4.5★ from 859 Google reviews, open 24/7.
Based in Blackstone, 12 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 602 Google reviews, open 24/7.
Based in Douglas, 13 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 107 Google reviews, open 24/7.
#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 628 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 |
|---|---|---|
| All Clean Inc | 3.0★ (2) | 9 mi |
| Apuzzo Plumbing & Heating | 5.0★ (1) | In Smithfield |
| CoreComfort LLC | 5.0★ (1) | In Smithfield |
| Dan & Sons Plumbing Heating | 3.0★ (2) | 11 mi |
| Desmarais Plumbing & Heating Inc | 3.0★ (2) | 7 mi |
| Evergreen Plumbing, Heating, & Cooling Home Services | 4.3★ (518) | 14 mi |
| Full Spectrum Services | 4.8★ (81) | 18 mi |
| GEM Plumbing & Heating | 4.7★ (635) | 12 mi |
| J & J Plumbing Heating & Lawn | 4.0★ (2) | 6 mi |
| New England Mechanical Services Inc | 5.0★ (2) | 8 mi |
| Oceanline Combustion Service Inc | 3.0★ (2) | 9 mi |
| Oliveira Plumbing & Heating | 3.0★ (2) | In Smithfield |
| Pete's Plumbing & Heating | 4.0★ (2) | 4 mi |
| Petro Home Services | 4.1★ (193) | 6 mi |
| Pinnacle Plumbing & Heating, Inc. | In Smithfield | |
| Platinum Home Services Inc | 3.5★ (2) | 9 mi |
| Precision Air Testing & Balancing, Inc. | In Smithfield | |
| R K & Son Plumbing & Heating | In Smithfield | |
| Renaissance Sheet Metal LLC | 5.0★ (2) | 10 mi |
| William J Lamar & Sons Inc | 3.0★ (2) | 4 mi |
National price ranges in USD, not adjusted for Smithfield. 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 628 Smithfield HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Smithfield data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |