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Emergency HVAC Contractors in Calverton, NY (2026)

Top 50 of 367 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 Calverton: ECE Air, 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 Calverton at a glance

Top emergency HVAC contractors in Calverton at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1ECE Air644.8★ (159)Calverton24/7
2Airborne Heating & Air Conditioning - HVAC Contractor645.0★ (439)Coram, 9 mi away24/7
3Hampton's Air Heating and Air Conditioning, Inc.634.9★ (93)Calverton24/7
4Ocean Air - Plumbing, Heating & Air Conditioning635.0★ (80)Calverton24/7
5Kintech Heating, Cooling & Plumbing635.0★ (633)Port Jefferson Station, 15 mi away24/7
6Matz-Rightway, LLC634.6★ (193)Riverhead, 2 mi away24/7
7Heaterman VP Heating & Air Conditioning625.0★ (63)Calverton24/7
8Global Oil Burner Services624.8★ (71)Calverton24/7
9Shoreline Heating & Cooling625.0★ (50)Calverton24/7
10Petro Home Services624.4★ (872)Yaphank, 12 mi away24/7

Call an emergency HVAC contractor in Calverton 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 Calverton, 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 367 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 Calverton

    #1 ECE Air

    Based in Calverton

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 159 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 159 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for ECE Air(631) 365-4379

  6. #6 Matz-Rightway, LLC

    Based in Riverhead, 2 mi away

    63/100CR Score

    Ranked #6 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

  10. #10 Petro Home Services

    Based in Yaphank, 12 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.4★ from 872 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 872 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    30 Old Dock Rd, Yaphank, NY 11980
    View profile for Petro Home Services(516) 495-8322

  13. #13 Varsity Home Service

    Based in Bohemia, 22 mi away

    61/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.7★ from 1,230 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.7★ from 1,230 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1610 Ocean Ave, Bohemia, NY 11716
    View profile for Varsity Home Service(631) 305-2227

  14. #14 Cool Power LLC

    Based in Ronkonkoma, 20 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 630 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 630 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    75 Air Park Dr, Ronkonkoma, NY 11779
    View profile for Cool Power LLC(631) 913-8905

  16. #16 BaezHVAC LLC

    Based in Calverton

    61/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 25 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for BaezHVAC LLC(631) 747-3878

  17. #17 Energywise Inc

    Based in Ronkonkoma, 22 mi away

    60/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 514 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 514 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2231 5th Ave Suite 26, Ronkonkoma, NY 11779
    View profile for Energywise Inc(631) 500-5300

  23. #23 All Island Comfort

    Based in Wading River, 6 mi away

    59/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Heating contractor”.

    • 5.0★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6304 NY-25A, Wading River, NY 11792
    View profile for All Island Comfort(631) 591-2289

Top 50 of 367 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 Calverton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26WJW HVAC-R594.8★ (26)6 mi
27A1 Heating and Air Conditioning594.9★ (125)18 mi
28MD Heating & Air Conditioning LLC.595.0★ (20)6 mi
29Viridian Heating & Cooling595.0★ (9)In Calverton
30Best Temp Central594.9★ (52)12 mi
31Sunray Services - Air Conditioning and Heating594.5★ (494)22 mi
32KB HEATING AND AIR595.0★ (17)6 mi
33Ljv mechanical595.0★ (104)19 mi
34JNJ Air595.0★ (24)9 mi
35K.S Mechanical Services | Air Conditioning | Boiler Repair | Furnace Repair594.9★ (135)20 mi
36Jen Air Inc584.9★ (138)21 mi
37Junior's Climate Control, Inc.585.0★ (13)6 mi
38Brooklyn Queens HVAC | Heating & Air Conditioning Repairs & Service584.5★ (55)13 mi
39Long Island's Burner King, LLC584.3★ (428)22 mi
40MJC Air584.1★ (19)6 mi
41Donlon Brothers Heating and Cooling583.8★ (26)6 mi
42Castro Mechanical LLC584.4★ (27)9 mi
43Sam Mechanical Inc584.9★ (117)22 mi
44Long Island HVAC Repair585.0★ (10)6 mi
45Pacific Heating & Air Conditioning584.9★ (60)18 mi
46Airco HVAC - Air Conditioning and Heating585.0★ (38)15 mi
47VP Plumbing & Heating584.9★ (316)15 mi
48North Shore Heating Service584.6★ (10)6 mi
49Aire Serv of Long Island-East End584.8★ (20)11 mi
50Beckett oil burner service574.8★ (21)11 mi

How we ranked emergency HVAC contractors in Calverton

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 Calverton: questions

Which HVAC contractors in Calverton are open 24/7?

24 on this list post 24/7 hours, including ECE Air, Airborne Heating & Air Conditioning - HVAC Contractor, Hampton's Air Heating and Air Conditioning, Inc., Ocean Air - Plumbing, Heating & Air Conditioning and Kintech Heating, Cooling & Plumbing.

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

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

How are emergency HVAC contractors in Calverton 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 Calverton

  1. October 2026: CR Scores recalculated for 367 hvac contractors serving Calverton.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages