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Emergency HVAC Contractors in East Haddam, CT (2026)

Top 50 of 364 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 East Haddam: 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 East Haddam at a glance

Top emergency HVAC contractors in East Haddam at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Absolute Air Services, LLC644.9★ (1,027)Portland, 11 mi away24/7
2Degree Heating and Cooling624.8★ (1,302)Glastonbury, 19 mi away24/7
3Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning614.8★ (601)Wallingford, 18 mi away24/7
4SM Mechanical Services LLC614.8★ (618)Glastonbury, 20 mi away24/7
5Direct Home Services614.7★ (268)Guilford, 13 mi away24/7
6DTS Oil & Gas Service & Solutions LLC605.0★ (150)Hebron, 15 mi away24/7
7Air, Inc.604.8★ (692)Branford, 23 mi away24/7
8Ductworks HVAC Services604.8★ (695)Bristol, 25 mi away24/7
9TruComfort Heating and Cooling604.9★ (79)Cheshire Village, 12 mi away24/7
10Connecticut HVAC Services llc594.6★ (107)Guilford, 12 mi away24/7

Call an emergency HVAC contractor in East Haddam 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 East Haddam, 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 364 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 Direct Home Services

    Based in Guilford, 13 mi away

    61/100CR 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

  7. #7 Air, Inc.

    Based in Branford, 23 mi away

    60/100CR Score

    Ranked #7 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

  14. #14 Russ Energy

    Based in East Haddam

    59/100CR Score

    Ranked #14 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

  15. #15 Clark's Heating

    Based in Middletown, 12 mi away

    59/100CR Score

    Ranked #15 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

Top 50 of 364 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 East Haddam, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Prime Time Heating, LLC585.0★ (15)10 mi
27M.J. Emonds Mechanical Contractors, LLC574.5★ (89)19 mi
28Mobilio and Son HVAC574.7★ (112)24 mi
29HVAC Restorations LLC.575.0★ (33)19 mi
30Limitless Mechanical Services565.0★ (64)24 mi
31Marzano Plumbing & Heating llc564.9★ (656)24 mi
32Crown Point Heating And Cooling565.0★ (17)15 mi
33American Air Mechanical LLC563.9★ (17)12 mi
34Corbett HVAC Services LLC564.4★ (80)22 mi
35Saucier Mechanical Services564.7★ (70)24 mi
36C&M Heating and Cooling, LLC564.6★ (28)18 mi
37N&T Heating Cooling and Ventilation LLC565.0★ (24)20 mi
38Bystrek's Oil Company, LLC553.8★ (10)13 mi
39Macri Associates555.0★ (10)16 mi
40AirTech Heating & Cooling LLC555.0★ (28)23 mi
41Future Mechanical LLC554.7★ (27)21 mi
42Carnot Heating554.6★ (9)15 mi
43Superior Fuel553.6★ (25)16 mi
44AMC Services LLC555.0★ (6)14 mi
45Sprague Heating & Cooling LLC555.0★ (8)15 mi
46Comfortable Environments LLC555.0★ (7)16 mi
47Braga Mechanical555.0★ (6)16 mi
48Spotless Chimney Sweeping & Solutions LLC544.6★ (714)19 mi
49Total HVAC & Refrigeration LLC544.7★ (18)22 mi
50SLS HEATING LLC- 24 HOUR EMERGENCY SERVICE543.4★ (62)19 mi

How we ranked emergency HVAC contractors in East Haddam

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 East Haddam: questions

Which HVAC contractors in East Haddam are open 24/7?

25 on this list post 24/7 hours, including Absolute Air Services, LLC, Degree Heating and Cooling, Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning, SM Mechanical Services LLC and Direct Home Services.

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

Absolute Air Services, LLC is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in East Haddam 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 East Haddam

  1. October 2026: CR Scores recalculated for 364 hvac contractors serving East Haddam.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages