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Emergency HVAC Contractors in Shirley, NY (2026)

Top 50 of 444 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 Shirley: Petro Home Services, 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 Shirley at a glance

Top emergency HVAC contractors in Shirley at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Petro Home Services644.4★ (872)Yaphank, 4 mi away24/7
2Kintech Heating, Cooling & Plumbing645.0★ (633)Port Jefferson Station, 12 mi away24/7
3ECE Air634.8★ (159)Calverton, 1 mi away24/7
4Cool Power LLC634.9★ (630)Ronkonkoma, 12 mi away24/7
5Varsity Home Service634.7★ (1,230)Bohemia, 13 mi away24/7
6Airborne Heating & Air Conditioning - HVAC Contractor635.0★ (439)Coram, 11 mi away24/7
7US Air Conditioning & Heating634.8★ (582)Port Jefferson Station, 12 mi away24/7
8Energywise Inc624.9★ (514)Ronkonkoma, 14 mi away24/7
9PerfecTemp Heating and Air Conditioning625.0★ (81)Center Moriches, 4 mi away24/7
10Marran (Oil, Gas, and Security)614.7★ (191)Holtsville, 9 mi away24/7

Call an emergency HVAC contractor in Shirley 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 Shirley, 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 444 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 Shirley

    #1 Petro Home Services

    Based in Yaphank, 4 mi away

    64/100CR Score

    Ranked #1 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

  3. #3 ECE Air

    Based in Calverton, 1 mi away

    63/100CR Score

    Ranked #3 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

  4. #4 Cool Power LLC

    Based in Ronkonkoma, 12 mi away

    63/100CR Score

    Ranked #4 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

  5. #5 Varsity Home Service

    Based in Bohemia, 13 mi away

    63/100CR Score

    Ranked #5 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

  8. #8 Energywise Inc

    Based in Ronkonkoma, 14 mi away

    62/100CR Score

    Ranked #8 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

  11. #11 Best Temp Central

    Based in Yaphank, 4 mi away

    61/100CR Score

    Ranked #11 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

  12. #12 Ljv mechanical

    Based in Bayport, 10 mi away

    61/100CR Score

    Ranked #12 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

  17. #17 Jen Air Inc

    Based in Bohemia, 13 mi away

    60/100CR Score

    Ranked #17 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 Matz-Rightway, LLC

    Based in Riverhead, 12 mi away

    60/100CR Score

    Ranked #18 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

  23. #23 Sam Mechanical Inc

    Based in Ronkonkoma, 14 mi away

    60/100CR Score

    Ranked #23 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

  25. #25 Advanced Tech HVAC

    Based in East Patchogue, 6 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 30 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    21 Stephano Rd, East Patchogue, NY 11772
    View profile for Advanced Tech HVAC(631) 210-7391

Top 50 of 444 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 Shirley, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Pacific Heating & Air Conditioning604.9★ (60)10 mi
27Hampton's Air Heating and Air Conditioning, Inc.604.9★ (93)14 mi
28Next Generation Mechanical595.0★ (34)8 mi
29Ocean Air - Plumbing, Heating & Air Conditioning595.0★ (80)14 mi
30Wilson's Plumbing Heating HVAC & Electric595.0★ (258)23 mi
31Salco HVAC Heating & Cooling594.8★ (63)12 mi
32BaezHVAC LLC595.0★ (25)7 mi
33Beckett oil burner service594.8★ (21)6 mi
34Heaterman VP Heating & Air Conditioning595.0★ (63)14 mi
35JNJ Air595.0★ (24)7 mi
36NBS Mechanical594.8★ (20)5 mi
37NYC Home Systems595.0★ (34)10 mi
38Next Level Mechanical Inc595.0★ (16)6 mi
39Retail Mechanical Services594.9★ (46)12 mi
40Sony Heating and Cooling594.9★ (46)13 mi
41Emergency Oil Delivery Inc594.3★ (52)9 mi
42Shoreline Heating & Cooling585.0★ (50)15 mi
43Advanced Air Conditioning, Heating & Refrigeration584.8★ (114)19 mi
44Castro Mechanical LLC584.4★ (27)7 mi
45Airco HVAC - Air Conditioning and Heating585.0★ (38)13 mi
46JCP Plumbing & Heating, Inc584.9★ (167)8 mi
47VP Plumbing & Heating584.9★ (316)12 mi
48All Island Comfort585.0★ (23)10 mi
49Riverhead Air Conditioning and Heating585.0★ (44)15 mi
50Island Air Heating and Cooling584.4★ (49)12 mi

How we ranked emergency HVAC contractors in Shirley

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 Shirley: questions

Which HVAC contractors in Shirley are open 24/7?

25 on this list post 24/7 hours, including Petro Home Services, Kintech Heating, Cooling & Plumbing, ECE Air, Cool Power LLC and Varsity Home Service.

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

Petro Home Services is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Shirley 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 Shirley

  1. October 2026: CR Scores recalculated for 444 hvac contractors serving Shirley.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages