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Emergency HVAC Contractors in Southold, NY (2026)

Top 50 of 128 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 Southold: HVAC 4 Service, 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 Southold at a glance

Top emergency HVAC contractors in Southold at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1HVAC 4 Service614.9★ (97)Springs, 14 mi away24/7
2Matz-Rightway, LLC614.6★ (193)Riverhead, 18 mi away24/7
3Hampton's Air Heating and Air Conditioning, Inc.604.9★ (93)Calverton, 18 mi away24/7
4Ocean Air - Plumbing, Heating & Air Conditioning605.0★ (80)Calverton, 18 mi away24/7
5Shoreline Heating & Cooling605.0★ (50)Calverton, 15 mi away24/7
6Heaterman VP Heating & Air Conditioning605.0★ (63)Calverton, 18 mi away24/7
7Riverhead Air Conditioning and Heating605.0★ (44)Calverton, 15 mi away24/7
8Connecticut HVAC Services llc584.6★ (107)Guilford, 24 mi away24/7
9WJW HVAC-R584.8★ (26)Coram, 15 mi away24/7
10MD Heating & Air Conditioning LLC.585.0★ (20)Bayport, 15 mi away24/7

Call an emergency HVAC contractor in Southold 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 Southold, 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 128 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.

  1. Ranked #1 in Southold

    #1 HVAC 4 Service

    Based in Springs, 14 mi away

    61/100CR Score

    Ranked #1 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

  2. #2 Matz-Rightway, LLC

    Based in Riverhead, 18 mi away

    61/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.6★ from 193 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 193 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    110 Kroemer Ave, Riverhead, NY 11901
    View profile for Matz-Rightway, LLC(631) 728-0661

  9. #9 WJW HVAC-R

    Based in Coram, 15 mi away

    58/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 26 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for WJW HVAC-R(631) 767-3277

  17. #17 MJC Air

    Based in Bay Shore, 15 mi away

    57/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.1★ from 19 Google reviews, listed on Google as “HVAC contractor”.

    • 4.1★ from 19 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for MJC Air(631) 408-2546

  18. #18 Action Air Inc.

    Based in Springs, 14 mi away

    57/100CR Score

    Ranked #18 because of its Google rating and trade focus: 3.8★ from 16 Google reviews, listed on Google as “HVAC contractor”.

    • 3.8★ from 16 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    20 16th St, East Hampton, NY 11937
    View profile for Action Air Inc.(631) 965-6289

Top 50 of 128 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 Southold, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26All Island Comfort565.0★ (23)23 mi
27Five Star Heating & Air Conditioning562.5★ (4)7 mi
28K.T. Cooper Heating & Cooling565.0★ (12)19 mi
29Total HVAC & Refrigeration LLC554.7★ (18)25 mi
30Expressway Roof Leaks and Siding Repair544.9★ (49)14 mi
31Neat & Complete Plumbing & Heating INC534.8★ (33)22 mi
32Dougherty Oil Co., Inc.533.0★ (7)24 mi
33Marco Plumbing and Heating535.0★ (13)17 mi
34Excelsior P & H, Inc. and East End Gas Services, Inc.523.4★ (17)7 mi
35RF Plumbing & Heating Inc525.0★ (6)16 mi
36El Olam Plumbing And Heating Inc.525.0★ (6)16 mi
37GEO Plumbing & Heating504.8★ (6)23 mi
38Burt's Reliable484.9★ (245)In Southold
39Blue Flame Heating & Cooling475.0★ (14)15 mi
40Bamaca's Roofing LLC474.3★ (6)24 mi
41Munro Plumbing & Heating465.0★ (22)21 mi
42Wilcox Energy465.0★ (467)15 mi
43Schenck Fuels Inc453.9★ (7)14 mi
44Flanders Service Experts454.6★ (473)15 mi
45Hardy Plumbing & Heating444.7★ (312)18 mi
46All Energy Solutions431.3★ (4)15 mi
47Junior's Elite Heating and Air Conditioning434.8★ (76)10 mi
48Manorville Heating Service & A/C434.5★ (8)23 mi
49J & V Plumbing & Heating Inc425.0★ (6)12 mi
50Tοwing & Heating Transpοrt Prοs415.0★ (10)In Southold

How we ranked emergency HVAC contractors in Southold

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 Southold: questions

Which HVAC contractors in Southold are open 24/7?

25 on this list post 24/7 hours, including HVAC 4 Service, Matz-Rightway, LLC, Hampton's Air Heating and Air Conditioning, Inc., Ocean Air - Plumbing, Heating & Air Conditioning and Shoreline Heating & Cooling.

Who is ranked #1 for emergency heating and cooling in Southold, NY?

HVAC 4 Service is #1, with a CR Score of 61 out of 100 on emergency weights.

How are emergency HVAC contractors in Southold 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 Southold

  1. October 2026: CR Scores recalculated for 128 hvac contractors serving Southold.
  2. October 2026: 1 duplicate listing merged.

More emergency and heating and cooling pages