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ContractorsRanked

Emergency HVAC Contractors in Killingly Center, CT (2026)

Top 50 of 386 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 Killingly Center: GEM Plumbing and Heating, 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 Killingly Center at a glance

Top emergency HVAC contractors in Killingly Center at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1GEM Plumbing and Heating894.6★ (6,353)Lincoln, 21 mi away24/7
2Notturno Home Services884.9★ (1,586)Blackstone, 25 mi away24/7
3Prime Heating & Cooling884.8★ (694)Smithfield, 18 mi away24/7
4CNM Heating Cooling Piping LLC875.0★ (186)Storrs, 18 mi away24/7
5Landry Mechanical Inc Plumbing HVAC & Electric874.9★ (424)Charlton, 22 mi away24/7
6Air Duct Cleaning of New England865.0★ (104)Smithfield, 17 mi away24/7
7Emergency Response Plumbing, Heating and Air Conditioning854.8★ (259)Warwick, 23 mi away24/7
8Tetra854.6★ (183)Brookline, 17 mi away24/7
9Doc's Peak Heating & Air Conditioning Inc854.9★ (126)Uxbridge, 21 mi away24/7
10E. M. Gas Services LLC855.0★ (12)Plainfield, 6 mi away24/7

Call an emergency HVAC contractor in Killingly Center 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 Killingly Center, 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 386 is on the HVAC contractors page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  8. #8 Tetra

    Based in Brookline, 17 mi away

    85/100CR Score

    Ranked #8 because of its Google rating and availability: 4.6★ from 183 Google reviews, open 24/7.

    • 4.6★ from 183 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Tetra(413) 930-4281

  12. #12 Air Synergy

    Based in Providence, 23 mi away

    84/100CR Score

    Ranked #12 because of its Google rating and availability: 4.9★ from 146 Google reviews, open 24/7.

    • 4.9★ from 146 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    78 Narragansett Ave, Providence, RI 02907
    View profile for Air Synergy(401) 443-9015

  13. #13 T&C HVAC

    Based in East Greenwich, 14 mi away

    84/100CR Score

    Ranked #13 because of its Google rating and availability: 5.0★ from 32 Google reviews, open 24/7.

    • 5.0★ from 32 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for T&C HVAC(401) 591-0958

  18. #18 Kejdi HVAC

    Based in Webster, 14 mi away

    83/100CR Score

    Ranked #18 because of its Google rating and availability: 5.0★ from 20 Google reviews, open 24/7.

    • 5.0★ from 20 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    33 May St, Webster, MA 01570
    View profile for Kejdi HVAC(774) 296-2922

Top 50 of 386 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 Killingly Center, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
264 SEASONS HVAC LLC835.0★ (13)14 mi
27Gervais Plumbing Heating & Air Conditioning834.4★ (203)22 mi
28HVAC Experts824.8★ (58)24 mi
29Corbett HVAC Services LLC824.4★ (80)20 mi
30D'Alleva Mechanical Services, LLC825.0★ (14)17 mi
31SOS Plumbing & Heating824.8★ (244)19 mi
32Done Right HVAC824.8★ (23)20 mi
33HVAC Restorations LLC.825.0★ (33)24 mi
34Phillips Plumbing & Mechanical824.5★ (112)24 mi
35Kwik Plumbing & Heating RI824.4★ (47)20 mi
36Stewart Plumbing And Heating825.0★ (25)22 mi
37PerfectTemp Heating, Air & Electric814.8★ (79)24 mi
38Air Pro Services LLC814.6★ (9)15 mi
39NV Heating and Air Conditioning814.2★ (22)17 mi
40Petro Home Services814.1★ (193)21 mi
41A to Z Refrigeration, INC815.0★ (13)14 mi
42Shelly Heating814.4★ (13)17 mi
43Arctic Elements815.0★ (15)21 mi
44ArcticBreeze Charlton HVAC Repair815.0★ (19)23 mi
45Air Man Heating & Cooling - Mass814.8★ (20)22 mi
46Araya HVAC Services LLC815.0★ (7)17 mi
47Fellowship Plumbing & Mechanical814.6★ (31)23 mi
48HotPros815.0★ (23)24 mi
49SB Carbone Plumbing & Heating814.0★ (45)19 mi
50All Air HVAC804.0★ (8)17 mi

How we ranked emergency HVAC contractors in Killingly Center

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency HVAC contractors in Killingly Center: questions

Which HVAC contractors in Killingly Center are open 24/7?

25 on this list post 24/7 hours, including GEM Plumbing and Heating, Notturno Home Services, Prime Heating & Cooling, CNM Heating Cooling Piping LLC and Landry Mechanical Inc Plumbing HVAC & Electric.

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

GEM Plumbing and Heating is #1, with a CR Score of 89 out of 100 on emergency weights.

How are emergency HVAC contractors in Killingly Center ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 Killingly Center

  1. October 2026: CR Scores recalculated for 386 hvac contractors serving Killingly Center.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages