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Emergency HVAC Contractors in Southbury, CT (2026)

Top 50 of 532 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Southbury: Ryan F. Murphy Heating & Cooling LLC, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency HVAC contractors in Southbury at a glance

Top emergency HVAC contractors in Southbury at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Ryan F. Murphy Heating & Cooling LLC645.0★ (969)New Milford, 12 mi away24/7
2Ward Heating and Cooling LLC645.0★ (240)Bethel, 3 mi away24/7
3A.E. Olsen Co., Inc. Service America644.8★ (170)Southbury24/7
4American Heating Air Conditioning Service634.9★ (372)Waterbury, 9 mi away24/7
5Edgerton, Inc.634.8★ (555)Bethel, 10 mi away24/7
6Service Sean, LLC634.9★ (115)Middlebury, 3 mi away24/7
7Superior HVAC & Tank Removal | Residential Heating & Cooling Contractor624.9★ (277)Waterbury, 10 mi away24/7
8A & S Nathan Heating & Cooling LLC624.8★ (446)Ansonia, 12 mi away24/7
9Degree Heating and Cooling624.7★ (442)New Milford, 12 mi away24/7
10Total Mechanical Systems624.7★ (2,607)Plainville, 23 mi away24/7

Call an emergency HVAC contractor in Southbury now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Southbury, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 532 is on the HVAC contractors page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  5. #5 Edgerton, Inc.

    Based in Bethel, 10 mi away

    63/100CR Score

    Ranked #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
    View profile for Edgerton, Inc.(203) 268-6279

  11. #11 Aire Serv of Shelton

    Based in Ansonia, 12 mi away

    62/100CR Score

    Ranked #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
    View profile for Aire Serv of Shelton(203) 717-9527

  14. #14 Levco Oil & Propane

    Based in Trumbull, 17 mi away

    61/100CR Score

    Ranked #14 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
    View profile for Levco Oil & Propane(203) 533-8249

  25. #25 Air, Inc.

    Based in Branford, 25 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 692 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 692 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    171 Short Beach Rd, Branford, CT 06405
    View profile for Air, Inc.(203) 871-0801

Top 50 of 532 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Southbury, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Precise HVAC Home Services604.8★ (389)22 mi
27Crocco Mechanical | HVAC Repair & Replacement in Connecticut605.0★ (58)12 mi
28Top Tier Energy Service594.8★ (212)19 mi
29Bertola Plumbing & Heating595.0★ (570)14 mi
30wtech22 Heating and Cooling595.0★ (111)18 mi
31Dynamic Heating, Cooling & Geothermal594.8★ (262)21 mi
32Valley Mechanical LLC595.0★ (24)9 mi
33Evans Heating & Cooling595.0★ (48)14 mi
34Mobilio and Son HVAC594.7★ (112)17 mi
35Romeo Morelli & Sons Plumbing-Heating-Well Pumps595.0★ (439)14 mi
36JP DUNN HEATING & COOLING, LLC584.9★ (68)16 mi
37Leak Off Plumbing & Heating585.0★ (86)19 mi
38Sollas Heating584.7★ (33)11 mi
39Servco Oil & Propane585.0★ (133)23 mi
40Elite Comfort584.9★ (114)22 mi
41Standard Oil of Connecticut584.2★ (415)21 mi
42Escape Plumbing & Heating, LLC585.0★ (267)14 mi
43Active Air LLC585.0★ (44)16 mi
44Saucier Mechanical Services584.7★ (70)18 mi
45Aire Serv of New Haven584.9★ (112)23 mi
46E & J Comfort Systems LLC585.0★ (42)17 mi
47Elite Heating And Cooling LLC585.0★ (15)10 mi
48Cipriano & Sons LLc574.8★ (17)11 mi
49SMR Heating And Cooling575.0★ (85)24 mi
50Hands On Heating Inc.574.9★ (59)21 mi

How we ranked emergency HVAC contractors in Southbury

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Southbury: questions

Which HVAC contractors in Southbury are open 24/7?

25 on this list post 24/7 hours, including Ryan F. Murphy Heating & Cooling LLC, Ward Heating and Cooling LLC, A.E. Olsen Co., Inc. Service America, American Heating Air Conditioning Service and Edgerton, Inc..

Who is ranked #1 for emergency heating and cooling in Southbury, CT?

Ryan F. Murphy Heating & Cooling LLC is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Southbury ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Southbury

  1. October 2026: CR Scores recalculated for 532 hvac contractors serving Southbury.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages