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Emergency HVAC Contractors in Fairfield, CT (2026)

Top 50 of 644 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 Fairfield: Aire Serv of Southwest Connecticut, 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 Fairfield at a glance

Top emergency HVAC contractors in Fairfield at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Aire Serv of Southwest Connecticut654.8★ (565)Ansonia, 4 mi away24/7
2Celco Heating & Air Conditioning644.7★ (861)Bridgeport, 6 mi away24/7
3HL Bowman Inc Plumbing Heating & AC644.7★ (1,151)Milford, 11 mi away24/7
4Tyler Heating, Air Conditioning, Refrigeration LLC644.7★ (570)Stratford, 7 mi away24/7
5Levco Oil & Propane634.7★ (590)Trumbull, 9 mi away24/7
6Edgerton, Inc.624.8★ (555)Bethel, 14 mi away24/7
7Servco Oil & Propane625.0★ (133)Darien, 7 mi away24/7
8ENCON Heating and Air Conditioning624.9★ (529)Bridgeport, 16 mi away24/7
9Air Solutions, Inc.624.8★ (718)Stamford, 17 mi away24/7
10wtech22 Heating and Cooling625.0★ (111)Trumbull, 7 mi away24/7

Call an emergency HVAC contractor in Fairfield 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 Fairfield, 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 644 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 Levco Oil & Propane

    Based in Trumbull, 9 mi away

    63/100CR Score

    Ranked #5 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

  6. #6 Edgerton, Inc.

    Based in Bethel, 14 mi away

    62/100CR Score

    Ranked #6 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

  9. #9 Air Solutions, Inc.

    Based in Stamford, 17 mi away

    62/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 718 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 718 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    430 Fairfield Ave, Stamford, CT 06902
    View profile for Air Solutions, Inc.(203) 357-8853

  14. #14 Climate Care, LLC

    Based in Norwalk, 7 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.6★ from 171 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 171 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    318 Strawberry Hill Ave, Norwalk, CT 06851
    View profile for Climate Care, LLC(203) 354-2020

  17. #17 Aire Serv of Shelton

    Based in Ansonia, 16 mi away

    61/100CR Score

    Ranked #17 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

  25. #25 Robison

    Based in Port Chester, 23 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.5★ from 1,257 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 1,257 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    One Gateway Plaza 4th floor, Port Chester, NY 10573
    View profile for Robison(914) 345-5700

Top 50 of 644 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 Fairfield, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Air, Inc.604.8★ (692)24 mi
27Active Air LLC605.0★ (44)8 mi
28Hefferon Heating & Cooling LLC604.9★ (380)22 mi
29FAIRCONN Plumbing And Heating LLC605.0★ (101)15 mi
30Hydro Mechanical, LLC604.9★ (13)In Fairfield
31Energywise Inc604.9★ (514)25 mi
32Pickwick Plumbing & Heating605.0★ (297)22 mi
33SolvIt Home Services594.5★ (42)6 mi
34Ward Heating and Cooling LLC595.0★ (240)22 mi
35Sunray Services - Air Conditioning and Heating594.5★ (494)21 mi
36A1 Heating and Air Conditioning594.9★ (125)17 mi
37Candito Plumbing and HVAC, LLC594.9★ (50)11 mi
38Brothers Fix It594.7★ (30)7 mi
39Master Plumbing Heating Cooling594.5★ (398)21 mi
40Park City594.2★ (37)6 mi
41Royal Comfort594.9★ (199)23 mi
42Rick's Plumbing Service, Inc.585.0★ (1,157)11 mi
43RB MECHANICAL LLC585.0★ (16)7 mi
44Airwave Heating and Cooling585.0★ (5)In Fairfield
45Apple Oil583.6★ (84)6 mi
46Evolution Air, LLC584.9★ (60)17 mi
47A.E. Olsen Co., Inc. Service America584.8★ (170)23 mi
48Innovative Heating & Cooling LLC585.0★ (39)15 mi
49Around the Clock Refrigeration, Inc.584.9★ (107)21 mi
50E & J Comfort Systems LLC585.0★ (42)16 mi

How we ranked emergency HVAC contractors in Fairfield

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 Fairfield: questions

Which HVAC contractors in Fairfield are open 24/7?

25 on this list post 24/7 hours, including Aire Serv of Southwest Connecticut, Celco Heating & Air Conditioning, HL Bowman Inc Plumbing Heating & AC, Tyler Heating, Air Conditioning, Refrigeration LLC and Levco Oil & Propane.

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

Aire Serv of Southwest Connecticut is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Fairfield 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 Fairfield

  1. October 2026: CR Scores recalculated for 644 hvac contractors serving Fairfield.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages