60/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 186 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 186 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 699 Storrs Rd, Storrs, CT 06268
Best HVAC Contractors in Plainfield, CT (2026)
251 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Plainfield: CNM Heating Cooling Piping LLC, CR Score 60/100; 5.0★ from 186 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): DTS Oil & Gas Service & Solutions LLC, posts 24/7 hours; ranked #2 of 251.
- 40
Most-reviewed: Benjamin Franklin Plumbing, 2,408 Google reviews at 4.7★, the most of 251 ranked; ranked #40.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
251 Plainfield HVAC contractors are ranked here by CR Score, from ten published factors. 56 are open 24/7, 107 open Saturdays and 73 open Sundays, based on posted hours. The median Google rating is 4.7★ across 251 rated businesses.
Top 10 HVAC contractors in Plainfield at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CNM Heating Cooling Piping LLC | 60 | 5.0★ (186) | Storrs, 17 mi away | 24/7 | Overall |
| 2 | DTS Oil & Gas Service & Solutions LLC | 59 | 5.0★ (150) | Hebron, 19 mi away | 24/7 | Emergencies |
| 3 | E. M. Gas Services LLC | 59 | 5.0★ (12) | Plainfield | 24/7 | — |
| 4 | AirTemp HVAC | 58 | 5.0★ (106) | Johnston, 20 mi away | 24/7 | — |
| 5 | Air Pro Services LLC | 58 | 4.6★ (9) | Plainfield | 24/7 | — |
| 6 | STAK'D Mechanical | 58 | 4.6★ (9) | Plainfield | 24/7 | — |
| 7 | Emergency Response Plumbing, Heating and Air Conditioning | 58 | 4.8★ (259) | Warwick, 24 mi away | 24/7 | — |
| 8 | Wright Comfort Solutions Inc | 58 | 5.0★ (81) | Plainfield | — | — |
| 9 | HVAC Restorations LLC. | 57 | 5.0★ (33) | Norwich, 14 mi away | 24/7 | — |
| 10 | Kneeland heating & Cooling LLC | 57 | 4.6★ (169) | Groton, 19 mi away | 24/7 | — |
The 251 best HVAC contractors in Plainfield, ranked
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.
Based in Hebron, 19 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 150 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 150 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 33 Carriage Dr, Lebanon, CT 06249
Based in Plainfield
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 127 Wauregan Rd, Brooklyn, CT 06234
#4 AirTemp HVAC
Based in Johnston, 20 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 106 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Plainfield
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 54 Woodchuck Hill Rd, Canterbury, CT 06331
Based in Plainfield
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Warwick, 24 mi away
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 259 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 259 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 130 Corona St, Warwick, RI 02886
Based in Plainfield
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 81 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
Based in Norwich, 14 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 104 Browning Rd, Norwich, CT 06360
Based in Groton, 19 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 169 Google reviews, listed on Google as “Heating contractor”.
- 4.6★ from 169 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5 Oakwood Dr, Gales Ferry, CT 06335
Based in Smithfield, 24 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 104 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 41 Cedar Swamp Rd, Smithfield, RI 02917
Based in Hebron, 9 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 264 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 264 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
#13 Hometown Heating
Based in Putnam, 10 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 246 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 246 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 549 Wolf Den Rd, Brooklyn, CT 06234
Based in Willimantic, 16 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.4★ from 80 Google reviews, listed on Google as “HVAC contractor”.
- 4.4★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45 Mansfield Ave, Willimantic, CT 06226
Based in Norwich, 6 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.4★ from 25 Google reviews, listed on Google as “HVAC contractor”.
- 4.4★ from 25 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 9 Mechanic St unit A, Griswold, CT 06351
#16 Pete's Heat LLC
Based in Exeter, 10 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 61 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 127 Cucumber Hill Rd, Foster, RI 02825
Based in Coventry, 20 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 126 Howard Ave, Coventry, RI 02816
Based in Ledyard, 17 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 28 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 28 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#19 Heru hvac
Based in Attleboro, 23 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 41 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in West Warwick, 20 mi away
55/100CR ScoreRanked #20 because of its Google rating and review volume: 4.8★ from 244 Google reviews.
- 4.8★ from 244 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10 Alpine St, West Warwick, RI 02893
#21 HotPros
Based in Smithfield, 21 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#22 T&C HVAC
Based in East Greenwich, 25 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 32 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Hopkinton, 18 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Heating contractor”.
- 4.9★ from 35 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun 7 AM–12 PM
- Address
- 16 Sandy Pond Rd, Hope Valley, RI 02832
Based in Glastonbury, 20 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1598 Exeter Rd, Lebanon, CT 06249
Based in Norwich, 13 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 12 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 117 Baltic St, Norwich, CT 06360
HVAC contractors ranked #26 to #50
#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 251 ranked HVAC contractors here; the rest are on their profiles.
Also serving Plainfield
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) | 18 mi |
| Barrette Mechanical | 3.0★ (2) | 9 mi |
| Beaver River Heating & Cooling LLC | 3.0★ (2) | 15 mi |
| Brayman Heating & Cooling, Inc | 3.0★ (2) | 16 mi |
| Dupuis Energy | 4.5★ (2) | 14 mi |
| Fitzy Heating & Cooling LLC | 5.0★ (3) | 23 mi |
| FixItNow Services LLC | 3.0★ (2) | In Plainfield |
| High-Tech Engineering Inc. | 4.0★ (4) | 25 mi |
| JBC Refrigeration LLC | 5.0★ (6) | 23 mi |
| JEM Technical Services | In Plainfield | |
| New England Services & Controls | In Plainfield | |
| Old Time Refrigeration, Inc. | 4.0★ (8) | 25 mi |
| Pomfret Fuel Services LLC | 3.0★ (2) | 14 mi |
| Reliable Remediation | 5.0★ (144) | In Plainfield |
| Rescom Plumbing and Heating | In Plainfield | |
| SAMEER Heating & Plumbing | 5.0★ (17) | 25 mi |
| SLS HEATING LLC- 24 HOUR EMERGENCY SERVICE | 3.4★ (62) | 19 mi |
| Sterling Oil LLC | In Plainfield | |
| Sussman & Perry Inc | 5.0★ (2) | 18 mi |
| Wentzel Burner Service | 5.0★ (4) | 23 mi |
How much do HVAC contractors cost in Plainfield?
National price ranges in USD, not adjusted for Plainfield. 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 |
How to check an HVAC contractor's license in Connecticut
In Connecticut, Connecticut Department of Consumer Protection licenses Heating, piping, cooling and sheet metal licenses.
- Search the business name or license number on the Connecticut Department of Consumer Protection license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
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
When to hire an HVAC contractor in Connecticut
In Connecticut, 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.
How we ranked Plainfield HVAC contractors
We scored 251 Plainfield 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 Plainfield 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 |
HVAC contractors in Plainfield: frequently asked questions
Who is the best HVAC contractor in Plainfield?
By CR Score, the highest-ranked HVAC contractor in Plainfield, CT is CNM Heating Cooling Piping LLC with a CR Score of 60/100. It has 5.0★ from 186 Google reviews. It is open 24/7. DTS Oil & Gas Service & Solutions LLC (#2) and E. M. Gas Services LLC (#3) follow. We ranked 251 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Plainfield?
ContractorsRanked ranks 251 HVAC contractors serving Plainfield, CT. 5 of them are based in Plainfield; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Plainfield are open 24/7?
56 ranked HVAC contractors in Plainfield post 24/7 hours. The highest-ranked are CNM Heating Cooling Piping LLC (#1), DTS Oil & Gas Service & Solutions LLC (#2) and E. M. Gas Services LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Plainfield work on weekends?
107 of 251 ranked HVAC contractors post Saturday hours and 73 post Sunday hours. The highest-ranked open Saturdays are CNM Heating Cooling Piping LLC (#1), DTS Oil & Gas Service & Solutions LLC (#2) and E. M. Gas Services LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an HVAC contractor's license in Connecticut?
In Connecticut, Connecticut Department of Consumer Protection handles licensing and covers Heating, piping, cooling and sheet metal licenses. Search the business or license number at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx.
How much does ac replacement cost in Plainfield?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Plainfield. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Plainfield HVAC contractors have?
The median Google rating among 251 rated HVAC contractors in Plainfield is 4.7★, with a median of 17 reviews. Benjamin Franklin Plumbing has the most, 2,408 reviews, and ranks #40. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Plainfield?
In Connecticut, 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.
Update log for Plainfield
- October 2026: CR Scores recalculated for 251 hvac contractors serving Plainfield.
- October 2026: 6 duplicate listings merged.
More HVAC contractors and Plainfield pages
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