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Emergency HVAC Contractors in Medford, NY (2026)

Top 50 of 549 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 Medford: Cool Power LLC, 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 Medford at a glance

Top emergency HVAC contractors in Medford at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Cool Power LLC644.9★ (630)Ronkonkoma, 5 mi away24/7
2Kintech Heating, Cooling & Plumbing645.0★ (633)Port Jefferson Station, 7 mi away24/7
3Varsity Home Service644.7★ (1,230)Bohemia, 7 mi away24/7
4Petro Home Services634.4★ (872)Yaphank, 3 mi away24/7
5Energywise Inc634.9★ (514)Ronkonkoma, 7 mi away24/7
6US Air Conditioning & Heating634.8★ (582)Port Jefferson Station, 7 mi away24/7
7Universe Home Services634.8★ (6,771)Farmingdale, 22 mi away24/7
8Airborne Heating & Air Conditioning - HVAC Contractor625.0★ (439)Coram, 11 mi away24/7
9Marran (Oil, Gas, and Security)624.7★ (191)Holtsville, 2 mi away24/7
10Apple Air Heating Cooling Electric and Plumbing624.8★ (4,690)Farmingdale, 23 mi away24/7

Call an emergency HVAC contractor in Medford 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 Medford, 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 549 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 Medford

    #1 Cool Power LLC

    Based in Ronkonkoma, 5 mi away

    64/100CR Score

    Ranked #1 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

  3. #3 Varsity Home Service

    Based in Bohemia, 7 mi away

    64/100CR Score

    Ranked #3 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

  4. #4 Petro Home Services

    Based in Yaphank, 3 mi away

    63/100CR Score

    Ranked #4 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

  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

  11. #11 Ljv mechanical

    Based in Bayport, 5 mi away

    61/100CR Score

    Ranked #11 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

  13. #13 Jen Air Inc

    Based in Bohemia, 6 mi away

    61/100CR Score

    Ranked #13 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

  16. #16 ECE Air

    Based in Calverton, 7 mi away

    61/100CR Score

    Ranked #16 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

  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

  21. #21 Best Temp Central

    Based in Yaphank, 3 mi away

    60/100CR Score

    Ranked #21 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 549 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 Medford, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Wilson's Plumbing Heating HVAC & Electric605.0★ (258)16 mi
27Salco HVAC Heating & Cooling604.8★ (63)6 mi
28Retail Mechanical Services604.9★ (46)6 mi
29Sony Heating and Cooling604.9★ (46)6 mi
30Suffolk Plumbing Inc604.9★ (797)23 mi
31Advanced Tech HVAC595.0★ (30)4 mi
32GallettAir Inc. Heating & Air Conditioning594.9★ (406)20 mi
33HomeServe of Long Island594.6★ (1,573)23 mi
34PerfecTemp Heating and Air Conditioning595.0★ (81)11 mi
35Global Oil Burner Services594.8★ (71)9 mi
36Advanced Air Conditioning, Heating & Refrigeration594.8★ (114)12 mi
37K2 Heating & Air Conditioning594.8★ (328)18 mi
38JLS Quality Air LLC594.9★ (43)7 mi
39JCP Plumbing & Heating, Inc594.9★ (167)1 mi
40Aaron's Heating & Air Conditioning594.3★ (18)In Medford
41Island Air Heating and Cooling594.4★ (49)5 mi
42NBS Mechanical594.8★ (20)3 mi
43Beckett oil burner service594.8★ (21)4 mi
44Christopher's Heating & Air Conditioning Inc594.9★ (112)14 mi
45Donlon Brothers Heating and Cooling593.8★ (26)In Medford
46Airco HVAC - Air Conditioning and Heating595.0★ (38)9 mi
47Innova Homes595.0★ (22)5 mi
48Next Level Mechanical Inc595.0★ (16)4 mi
49ALL Seasons Air Conditioning584.8★ (321)21 mi
50All Weather Heating & Cooling584.8★ (407)22 mi

How we ranked emergency HVAC contractors in Medford

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 Medford: questions

Which HVAC contractors in Medford are open 24/7?

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

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

Cool Power LLC is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Medford 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 Medford

  1. October 2026: CR Scores recalculated for 549 hvac contractors serving Medford.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages