64/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 969 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 969 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8 S Main St, New Milford, CT 06776
Best HVAC Contractors in Southbury, CT (2026)
532 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Southbury: Ryan F. Murphy Heating & Cooling LLC, CR Score 64/100; 5.0★ from 969 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Ward Heating and Cooling LLC, posts 24/7 hours; ranked #2 of 532.
- 13
Most-reviewed: Total Mechanical Systems, 2,607 Google reviews at 4.7★, the most of 532 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
532 Southbury HVAC contractors are ranked here by CR Score, from ten published factors. 128 are open 24/7, 243 open Saturdays and 178 open Sundays, based on posted hours. The median Google rating is 4.8★ across 532 rated businesses.
Top 10 HVAC contractors in Southbury at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ryan F. Murphy Heating & Cooling LLC | 64 | 5.0★ (969) | New Milford, 12 mi away | 24/7 | Overall |
| 2 | Ward Heating and Cooling LLC | 64 | 5.0★ (240) | Bethel, 3 mi away | 24/7 | Emergencies |
| 3 | A.E. Olsen Co., Inc. Service America | 63 | 4.8★ (170) | Southbury | 24/7 | — |
| 4 | American Heating Air Conditioning Service | 63 | 4.9★ (372) | Waterbury, 9 mi away | 24/7 | — |
| 5 | Edgerton, Inc. | 63 | 4.8★ (555) | Bethel, 10 mi away | 24/7 | — |
| 6 | Service Stars | 62 | 4.9★ (1,350) | Danbury, 12 mi away | Sat · Sun · Evenings | — |
| 7 | Service Sean, LLC | 62 | 4.9★ (115) | Middlebury, 3 mi away | 24/7 | — |
| 8 | A & S Nathan Heating & Cooling LLC | 62 | 4.8★ (446) | Ansonia, 12 mi away | 24/7 | — |
| 9 | Carmine’s Plumbing, Heating & Air Conditioning | 62 | 4.9★ (2,252) | Danbury, 12 mi away | Sat | — |
| 10 | Hefferon Heating & Cooling LLC | 62 | 4.9★ (380) | Danbury, 14 mi away | 24/7 | — |
The 532 best HVAC contractors in Southbury, 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 Bethel, 3 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 240 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 240 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Southbury
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 170 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 170 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1257 Southford Rd, Southbury, CT 06488
Based in Waterbury, 9 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 372 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 372 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 64 Westridge Dr, Waterbury, CT 06708
Based in Bethel, 10 mi away
63/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 555 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 555 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 786 Main St, Monroe, CT 06468
Based in Danbury, 12 mi away
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,350 Google reviews
- Hours
- Mon–Sun 7:30 AM–10 PM
- Address
- 43C Beaver Brook Rd, Danbury, CT 06810
Based in Middlebury, 3 mi away
62/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 115 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Ansonia, 12 mi away
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 446 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 446 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 34 Clifton Ave, Ansonia, CT 06401
Based in Danbury, 12 mi away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 2,252 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,252 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 92 Sand Pit Rd, Danbury, CT 06810
Based in Danbury, 14 mi away
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 380 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 380 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37A Padanaram Rd, Danbury, CT 06811
Based in Ansonia, 12 mi away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 347 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 347 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 41 Clifton Ave, Ansonia, CT 06401
Based in New Milford, 12 mi away
61/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 442 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 442 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 50 South End Plaza, New Milford, CT 06776
Based in Plainville, 23 mi away
61/100CR ScoreRanked #13 because of its Google rating and review volume: 4.7★ from 2,607 Google reviews, the most in Southbury.
- 4.7★ from 2,607 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 74 Northwest Dr, Plainville, CT 06062
Based in Milford, 20 mi away
61/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ from 1,151 Google reviews, listed on Google as “HVAC contractor”.
- 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 Bridgeport, 20 mi away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 529 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 529 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Naugatuck, 8 mi away
61/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 90 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 90 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 485 Cherry St, Naugatuck, CT 06770
Based in Bristol, 20 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 695 Google reviews, listed on Google as “Heating contractor”.
- 4.8★ from 695 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 175 Spring St, Southington, CT 06489
Based in Waterbury, 10 mi away
60/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 277 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 277 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 240 Railroad Hill St, Waterbury, CT 06708
Based in Bristol, 15 mi away
60/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 1,841 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,841 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 81 River St, Thomaston, CT 06787
Based in Trumbull, 17 mi away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 590 Google reviews, listed on Google as “HVAC contractor”.
- 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, 12 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 2,594 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,594 Google reviews
- Hours
- Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
- Address
- 234 Main St, Monroe, CT 06468
Based in Wallingford, 21 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 601 Google reviews, listed on Google as “HVAC contractor”.
- 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 Ansonia, 20 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 565 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 565 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bridgeport, 20 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 861 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 861 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 467 Bishop Ave, Bridgeport, CT 06610
Based in Naugatuck, 6 mi away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 44 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19 Tower Ln, Naugatuck, CT 06770
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 532 ranked HVAC contractors here; the rest are on their profiles.
Also serving Southbury
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 C 2000. | In Southbury | |
| Able Plumbing & Heating | 5.0★ (2) | In Southbury |
| Accurate Mechanical Company | In Southbury | |
| Active Air LLC | 5.0★ (44) | 16 mi |
| Aire Serv of New Haven | 4.9★ (112) | 23 mi |
| Cipriano & Sons LLc | 4.8★ (17) | 11 mi |
| Hands On Heating Inc. | 4.9★ (59) | 21 mi |
| James Rossetti Plumbing & Heating | In Southbury | |
| Jim's Heating & Air Conditioning | 5.0★ (2) | 3 mi |
| John J Denley Plumbing & Heating | 5.0★ (2) | 10 mi |
| Precision Plumbing CT, LLC | 5.0★ (6) | In Southbury |
| Rick Sekelsky Plumbing & Heating | 5.0★ (2) | 9 mi |
| Saucier Mechanical Services | 4.7★ (70) | 18 mi |
| Schmidt Plumbing & Heating Co | In Southbury | |
| SMR Heating And Cooling | 5.0★ (85) | 24 mi |
| SRG Dryer vent & Air Duct Cleaning Services Southbury, CT | 1.0★ (1) | In Southbury |
| Stone Dryer Vent Cleaning Services Southbury, CT | 4.8★ (13) | In Southbury |
| Stratford Plumbing & Heating, Inc | In Southbury | |
| Tyler Heating, Air Conditioning, Refrigeration LLC | 4.7★ (570) | 22 mi |
| Wesson Energy Inc. | In Southbury |
How much do HVAC contractors cost in Southbury?
National price ranges in USD, not adjusted for Southbury. 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 Southbury HVAC contractors
We scored 532 Southbury 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 Southbury 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 Southbury: frequently asked questions
Who is the best HVAC contractor in Southbury?
By CR Score, the highest-ranked HVAC contractor in Southbury, CT is Ryan F. Murphy Heating & Cooling LLC with a CR Score of 64/100. It has 5.0★ from 969 Google reviews. It is open 24/7. Ward Heating and Cooling LLC (#2) and A.E. Olsen Co., Inc. Service America (#3) follow. We ranked 532 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Southbury?
ContractorsRanked ranks 532 HVAC contractors serving Southbury, CT. 1 of them is based in Southbury; 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 Southbury are open 24/7?
128 ranked HVAC contractors in Southbury post 24/7 hours. The highest-ranked are Ryan F. Murphy Heating & Cooling LLC (#1), Ward Heating and Cooling LLC (#2) and A.E. Olsen Co., Inc. Service America (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Southbury work on weekends?
243 of 532 ranked HVAC contractors post Saturday hours and 178 post Sunday hours. The highest-ranked open Saturdays are Ryan F. Murphy Heating & Cooling LLC (#1), Ward Heating and Cooling LLC (#2) and A.E. Olsen Co., Inc. Service America (#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 Southbury?
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 Southbury. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Southbury HVAC contractors have?
The median Google rating among 532 rated HVAC contractors in Southbury is 4.8★, with a median of 22 reviews. Total Mechanical Systems has the most, 2,607 reviews, and ranks #13. 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 Southbury?
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 Southbury
- October 2026: CR Scores recalculated for 532 hvac contractors serving Southbury.
- October 2026: 4 duplicate listings merged.
More HVAC contractors and Southbury pages
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