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Emergency HVAC Contractors in Selden, NY (2026)

Top 50 of 623 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 Selden: Kintech Heating, Cooling & Plumbing, 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 Selden at a glance

Top emergency HVAC contractors in Selden at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Kintech Heating, Cooling & Plumbing655.0★ (633)Port Jefferson Station, 3 mi away24/7
2US Air Conditioning & Heating644.8★ (582)Port Jefferson Station, 3 mi away24/7
3Cool Power LLC634.9★ (630)Ronkonkoma, 6 mi away24/7
4Varsity Home Service634.7★ (1,230)Bohemia, 7 mi away24/7
5Energywise Inc634.9★ (514)Ronkonkoma, 7 mi away24/7
6Universe Home Services634.8★ (6,771)Farmingdale, 21 mi away24/7
7Airborne Heating & Air Conditioning - HVAC Contractor635.0★ (439)Coram, 9 mi away24/7
8Petro Home Services624.4★ (872)Yaphank, 6 mi away24/7
9Apple Air Heating Cooling Electric and Plumbing624.8★ (4,690)Farmingdale, 23 mi away24/7
10Around the Clock Refrigeration, Inc.624.9★ (107)East Farmingdale, 2 mi away24/7

Call an emergency HVAC contractor in Selden 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 Selden, 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 623 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.

  3. #3 Cool Power LLC

    Based in Ronkonkoma, 6 mi away

    63/100CR Score

    Ranked #3 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

  4. #4 Varsity Home Service

    Based in Bohemia, 7 mi away

    63/100CR Score

    Ranked #4 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

  5. #5 Energywise Inc

    Based in Ronkonkoma, 7 mi away

    63/100CR Score

    Ranked #5 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

  8. #8 Petro Home Services

    Based in Yaphank, 6 mi away

    62/100CR Score

    Ranked #8 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

  14. #14 Jen Air Inc

    Based in Bohemia, 7 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 138 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1507 Smithtown Ave #17, Bohemia, NY 11716
    View profile for Jen Air Inc(631) 212-0801

  18. #18 Sam Mechanical Inc

    Based in Ronkonkoma, 7 mi away

    61/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 117 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 117 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    154-1 Remington Blvd, Ronkonkoma, NY 11779
    View profile for Sam Mechanical Inc(631) 484-1198

  19. #19 Ljv mechanical

    Based in Bayport, 8 mi away

    61/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 104 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    735 Sylvan Ave, Bayport, NY 11705
    View profile for Ljv mechanical(631) 664-5566

  21. #21 ECE Air

    Based in Calverton, 10 mi away

    60/100CR Score

    Ranked #21 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

  25. #25 Best Temp Central

    Based in Yaphank, 6 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 52 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    24 Old Dock Rd, Yaphank, NY 11980
    View profile for Best Temp Central(631) 266-5968

Top 50 of 623 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 Selden, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Global Oil Burner Services604.8★ (71)8 mi
27HomeServe of Long Island604.6★ (1,573)23 mi
28Airco HVAC - Air Conditioning and Heating605.0★ (38)6 mi
29Salco HVAC Heating & Cooling604.8★ (63)7 mi
30GallettAir Inc. Heating & Air Conditioning594.9★ (406)20 mi
31Suffolk Plumbing Inc594.9★ (797)24 mi
32Advanced Air Conditioning, Heating & Refrigeration594.8★ (114)11 mi
33K2 Heating & Air Conditioning594.8★ (328)18 mi
34Retail Mechanical Services594.9★ (46)7 mi
35Brooklyn Queens HVAC | Heating & Air Conditioning Repairs & Service594.5★ (55)5 mi
36Innova Homes595.0★ (22)3 mi
37JLS Quality Air LLC594.9★ (43)7 mi
38HL Bowman Inc Plumbing Heating & AC594.7★ (1,151)24 mi
39Next Generation Mechanical595.0★ (34)7 mi
40VP Plumbing & Heating594.9★ (316)5 mi
41Bobby O’s HVAC Inc.594.3★ (30)2 mi
42Cardinal Air - Heating and Cooling594.8★ (21)3 mi
43Celco Heating & Air Conditioning594.7★ (861)23 mi
44Christopher's Heating & Air Conditioning Inc594.9★ (112)14 mi
45PerfecTemp Heating and Air Conditioning595.0★ (81)14 mi
46Tyler Heating, Air Conditioning, Refrigeration LLC594.7★ (570)22 mi
47Beckett oil burner service594.8★ (21)5 mi
48Island Air Heating and Cooling594.4★ (49)7 mi
49Advanced Tech HVAC595.0★ (30)8 mi
50ALL Seasons Air Conditioning594.8★ (321)21 mi

How we ranked emergency HVAC contractors in Selden

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 Selden: questions

Which HVAC contractors in Selden are open 24/7?

25 on this list post 24/7 hours, including Kintech Heating, Cooling & Plumbing, US Air Conditioning & Heating, Cool Power LLC, Varsity Home Service and Energywise Inc.

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

Kintech Heating, Cooling & Plumbing is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Selden 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 Selden

  1. October 2026: CR Scores recalculated for 623 hvac contractors serving Selden.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages