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Emergency HVAC Contractors in Old Saybrook, CT (2026)

Top 50 of 192 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

24 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 Old Saybrook: Absolute Air Services, 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 Old Saybrook at a glance

Top emergency HVAC contractors in Old Saybrook at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Absolute Air Services, LLC634.9★ (1,027)Portland, 23 mi away24/7
2Air, Inc.614.8★ (692)Branford, 24 mi away24/7
3Connecticut HVAC Services llc614.6★ (107)Guilford, 9 mi away24/7
4D/E/F Services Group, LTD614.4★ (33)Old Saybrook24/7
5Direct Home Services604.7★ (268)Guilford, 22 mi away24/7
6Kneeland heating & Cooling LLC594.6★ (169)Groton, 19 mi away24/7
7DTS Oil & Gas Service & Solutions LLC595.0★ (150)Hebron, 24 mi away24/7
8Aire Serv of New Haven594.9★ (112)Wallingford Center, 23 mi away24/7
9HVAC 4 Service584.9★ (97)Springs, 24 mi away24/7
10TruComfort Heating and Cooling584.9★ (79)Cheshire Village, 23 mi away24/7

Call an emergency HVAC contractor in Old Saybrook 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 Old Saybrook, 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 192 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.

  2. #2 Air, Inc.

    Based in Branford, 24 mi away

    61/100CR Score

    Ranked #2 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

  5. #5 Direct Home Services

    Based in Guilford, 22 mi away

    60/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.7★ from 268 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 268 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    57 Ozick Dr Suite i, Durham, CT 06422
    View profile for Direct Home Services(860) 339-6001

  9. #9 HVAC 4 Service

    Based in Springs, 24 mi away

    58/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 97 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 97 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    186 Springs Fireplace Rd UNIT 2, East Hampton, NY 11937
    View profile for HVAC 4 Service(631) 276-8909

  14. #14 Clark's Heating

    Based in Middletown, 24 mi away

    57/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 63 Google reviews, listed on Google as “Heating contractor”.

    • 4.8★ from 63 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16 Alsop Ave, Middletown, CT 06457
    View profile for Clark's Heating(860) 346-1137

  22. #22 Russ Energy

    Based in East Haddam, 17 mi away

    55/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Russ Energy(860) 800-4737

  23. #23 Carnot Heating

    Based in Groton, 17 mi away

    55/100CR Score

    Ranked #23 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
    View profile for Carnot Heating(860) 917-5879

Top 50 of 192 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 Old Saybrook, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Crown Point Heating And Cooling555.0★ (17)24 mi
27Sprague Heating & Cooling LLC545.0★ (8)20 mi
28Grant Heating & Cooling544.9★ (15)24 mi
29American Air Mechanical LLC543.9★ (17)22 mi
30Action Air Inc.543.8★ (16)22 mi
31Macri Associates545.0★ (10)25 mi
32Superior Fuel543.6★ (25)25 mi
33Dougherty Oil Co., Inc.533.0★ (7)20 mi
34AMC Services LLC535.0★ (6)23 mi
35Bystrek's Oil Company, LLC533.8★ (10)24 mi
36Comfortable Environments LLC535.0★ (7)25 mi
37Marlborough Heating & AC534.2★ (5)22 mi
38Braga Mechanical535.0★ (6)25 mi
39Future Mechanical LLC524.4★ (5)25 mi
40Five Star Heating & Air Conditioning522.5★ (4)22 mi
41GEO Plumbing & Heating514.8★ (6)15 mi
42Expressway Roof Leaks and Siding Repair514.9★ (49)21 mi
43Air Guarden515.0★ (59)24 mi
44Marco Plumbing and Heating515.0★ (13)24 mi
45Bamaca's Roofing LLC494.3★ (6)12 mi
46Excelsior P & H, Inc. and East End Gas Services, Inc.483.4★ (17)19 mi
47Munro Plumbing & Heating485.0★ (22)14 mi
48Wilcox Energy485.0★ (467)4 mi
49Integrity Plumbing and Drain Clearing463.0★ (6)21 mi
50Tomaszek & Sons Plumbing Heating454.6★ (9)In Old Saybrook

How we ranked emergency HVAC contractors in Old Saybrook

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 Old Saybrook: questions

Which HVAC contractors in Old Saybrook are open 24/7?

24 on this list post 24/7 hours, including Absolute Air Services, LLC, Air, Inc., Connecticut HVAC Services llc, D/E/F Services Group, LTD and Direct Home Services.

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

Absolute Air Services, LLC is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency HVAC contractors in Old Saybrook 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 Old Saybrook

  1. October 2026: CR Scores recalculated for 192 hvac contractors serving Old Saybrook.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages