92/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 692 Google reviews, open 24/7.
- 4.8★ from 692 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 171 Short Beach Rd, Branford, CT 06405
Best HVAC Contractors in New Haven, CT (2026)
449 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in New Haven: Air, Inc., CR Score 92/100; 4.8★ from 692 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): HL Bowman Inc Plumbing Heating & AC, posts 24/7 hours; ranked #2 of 449.
- 18
Most-reviewed: Rick's Plumbing Service, Inc., 1,157 Google reviews at 5.0★, the most of 449 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
449 New Haven HVAC contractors are ranked here by CR Score, from 8 published factors. 111 are open 24/7, 211 open Saturdays and 150 open Sundays, based on posted hours. The median Google rating is 4.8★ across 449 rated businesses.
Top 10 HVAC contractors in New Haven at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Air, Inc. | 92 | 4.8★ (692) | Branford, 6 mi away | 24/7 | Overall |
| 2 | HL Bowman Inc Plumbing Heating & AC | 91 | 4.7★ (1,151) | Milford, 10 mi away | 24/7 | Emergencies |
| 3 | A & S Nathan Heating & Cooling LLC | 90 | 4.8★ (446) | Ansonia, 8 mi away | 24/7 | — |
| 4 | Aire Serv of Shelton | 90 | 4.8★ (347) | Ansonia, 8 mi away | 24/7 | — |
| 5 | Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning | 89 | 4.8★ (601) | Wallingford, 14 mi away | 24/7 | — |
| 6 | Celco Heating & Air Conditioning | 89 | 4.7★ (861) | Bridgeport, 15 mi away | 24/7 | — |
| 7 | Levco Oil & Propane | 89 | 4.7★ (590) | Trumbull, 12 mi away | 24/7 | — |
| 8 | Ward Heating and Cooling LLC | 89 | 5.0★ (240) | Bethel, 16 mi away | 24/7 | — |
| 9 | Aire Serv of New Haven | 89 | 4.9★ (112) | Wallingford Center, 8 mi away | 24/7 | — |
| 10 | American Heating Air Conditioning Service | 88 | 4.9★ (372) | Waterbury, 18 mi away | 24/7 | — |
The 449 best HVAC contractors in New Haven, ranked
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.
Based in Milford, 10 mi away
91/100CR ScoreRanked #2 because of its Google rating and availability: 4.7★ from 1,151 Google reviews, open 24/7.
- 4.7★ from 1,151 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 922 Bridgeport Ave, Milford, CT 06460
Based in Ansonia, 8 mi away
90/100CR ScoreRanked #3 because of its Google rating and availability: 4.8★ from 446 Google reviews, open 24/7.
- 4.8★ from 446 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 34 Clifton Ave, Ansonia, CT 06401
Based in Ansonia, 8 mi away
90/100CR ScoreRanked #4 because of its Google rating and availability: 4.8★ from 347 Google reviews, open 24/7.
- 4.8★ from 347 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 41 Clifton Ave, Ansonia, CT 06401
Based in Wallingford, 14 mi away
89/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 601 Google reviews, open 24/7.
- 4.8★ from 601 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21 N Plains Industrial Rd unit C, Wallingford, CT 06492
Based in Bridgeport, 15 mi away
89/100CR ScoreRanked #6 because of its Google rating and availability: 4.7★ from 861 Google reviews, open 24/7.
- 4.7★ from 861 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 467 Bishop Ave, Bridgeport, CT 06610
Based in Trumbull, 12 mi away
89/100CR ScoreRanked #7 because of its Google rating and availability: 4.7★ from 590 Google reviews, open 24/7.
- 4.7★ from 590 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 55 Merritt Blvd, Trumbull, CT 06611
Based in Bethel, 16 mi away
89/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 240 Google reviews, open 24/7.
- 5.0★ from 240 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Wallingford Center, 8 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 112 Google reviews, open 24/7.
- 4.9★ from 112 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Waterbury, 18 mi away
88/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 372 Google reviews, open 24/7.
- 4.9★ from 372 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 64 Westridge Dr, Waterbury, CT 06708
#11 Edgerton, Inc.
Based in Bethel, 17 mi away
88/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 555 Google reviews, open 24/7.
- 4.8★ from 555 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 786 Main St, Monroe, CT 06468
Based in Portland, 25 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 1,027 Google reviews, open 24/7.
- 4.9★ from 1,027 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1116 Portland-Cobalt Rd, Portland, CT 06480
Based in Coram, 24 mi away
88/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 439 Google reviews, open 24/7.
- 5.0★ from 439 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 68 Woodville Rd, Shoreham, NY 11786
Based in Ansonia, 21 mi away
87/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 565 Google reviews, open 24/7.
- 4.8★ from 565 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Milford, 7 mi away
87/100CR ScoreRanked #15 because of its Google rating and availability: 5.0★ from 39 Google reviews, open 24/7.
- 5.0★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 301 Brewster Rd STE 17, Milford, CT 06460
Based in Bristol, 23 mi away
87/100CR ScoreRanked #16 because of its Google rating and availability: 4.8★ from 695 Google reviews, open 24/7.
- 4.8★ from 695 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 175 Spring St, Southington, CT 06489
Based in Naugatuck, 13 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 90 Google reviews, open 24/7.
- 4.9★ from 90 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 485 Cherry St, Naugatuck, CT 06770
Based in Milford, 10 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 1,157 Google reviews, open 24/7.
- 5.0★ from 1,157 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1050 Bridgeport Ave STE D1, Milford, CT 06460
Based in Branford, 7 mi away
87/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 24/7.
- 5.0★ from 28 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12 Summer Island Point, Branford, CT 06405
Based in Bridgeport, 16 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 86 Google reviews, open 24/7.
- 5.0★ from 86 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 54 Glendale Ave, Bridgeport, CT 06606
Based in Southbury, 17 mi away
86/100CR ScoreRanked #21 because of its Google rating and availability: 4.8★ from 170 Google reviews, open 24/7.
- 4.8★ from 170 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1257 Southford Rd, Southbury, CT 06488
Based in Torrington, 16 mi away
86/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 77 Google reviews, open 24/7.
- 5.0★ from 77 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Middlebury, 18 mi away
86/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 115 Google reviews, open 24/7.
- 4.9★ from 115 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Trumbull, 18 mi away
86/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 570 Google reviews, open 24/7.
- 5.0★ from 570 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 90 Fresh Meadow Dr, Trumbull, CT 06611
Based in Stratford, 15 mi away
86/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 59 Google reviews, open 24/7.
- 4.9★ from 59 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 97 West Ave, Stratford, CT 06615
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 449 ranked HVAC contractors here; the rest are on their profiles.
Also serving New Haven
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 |
|---|---|---|
| A-Team Plumbing & HVAC | In New Haven | |
| Accuray Mechanical, LLC | In New Haven | |
| Active Air LLC | 5.0★ (44) | 16 mi |
| Advance HVAC | 5.0★ (16) | 4 mi |
| Air Conditioning Repair & Heating Co. | In New Haven | |
| Buckingham Routh Co | 5.0★ (1) | In New Haven |
| Circle Energy Services | In New Haven | |
| CRC Energy | In New Haven | |
| DDM Air duct & Dryer vent cleaning and Chimney inspector LLC OF NEW HAVEN CT | In New Haven | |
| Enterprise Plumbing & Heating | In New Haven | |
| Heating & Air Conditioning Company | In New Haven | |
| Heating & Cooling | In New Haven | |
| Kleins Plumbing & Heating Shop | In New Haven | |
| Mechanical Heating and Air Conditioning, Inc. | In New Haven | |
| Mercury Energy | In New Haven | |
| New Haven Heating And Cooling Services | In New Haven | |
| SMR Heating And Cooling | 5.0★ (85) | 16 mi |
| Team Trusted Heating & Cooling | In New Haven | |
| Tyler Heating, Air Conditioning, Refrigeration LLC | 4.7★ (570) | 15 mi |
| United Refrigeration Inc | In New Haven |
How much do HVAC contractors cost in New Haven?
National price ranges in USD, not adjusted for New Haven. 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 New Haven HVAC contractors
We scored 449 New Haven 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 New Haven 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 |
HVAC contractors in New Haven: frequently asked questions
Who is the best HVAC contractor in New Haven?
By CR Score, the highest-ranked HVAC contractor in New Haven, CT is Air, Inc. with a CR Score of 92/100. It has 4.8★ from 692 Google reviews. It is open 24/7. HL Bowman Inc Plumbing Heating & AC (#2) and A & S Nathan Heating & Cooling LLC (#3) follow. We ranked 449 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in New Haven?
ContractorsRanked ranks 449 HVAC contractors serving New Haven, CT. 1 of them is based in New Haven; 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 New Haven are open 24/7?
111 ranked HVAC contractors in New Haven post 24/7 hours. The highest-ranked are Air, Inc. (#1), HL Bowman Inc Plumbing Heating & AC (#2) and A & S Nathan Heating & Cooling LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in New Haven work on weekends?
211 of 449 ranked HVAC contractors post Saturday hours and 150 post Sunday hours. The highest-ranked open Saturdays are Air, Inc. (#1), HL Bowman Inc Plumbing Heating & AC (#2) and A & S Nathan Heating & Cooling 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 New Haven?
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 New Haven. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do New Haven HVAC contractors have?
The median Google rating among 449 rated HVAC contractors in New Haven is 4.8★, with a median of 20 reviews. Rick's Plumbing Service, Inc. has the most, 1,157 reviews, and ranks #18. 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 New Haven?
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 New Haven
- October 2026: CR Scores recalculated for 449 hvac contractors serving New Haven.
- October 2026: 5 duplicate listings merged.
More HVAC contractors and New Haven pages
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