67/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 6,771 Google reviews.
- 4.8★ from 6,771 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 260 Smith St, Farmingdale, NY 11735
Emergency HVAC Contractors in Deer Park, NY (2026)
Top 50 of 993 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 for emergency heating and cooling in Deer Park: Universe 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 Deer Park at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Universe Home Services | 67 | 4.8★ (6,771) | Farmingdale, 4 mi away | 24/7 |
| 2 | Apple Air Heating Cooling Electric and Plumbing | 66 | 4.8★ (4,690) | Farmingdale, 6 mi away | 24/7 |
| 3 | Tragar Home Services | 65 | 4.9★ (3,757) | Hicksville, 9 mi away | 24/7 |
| 4 | Dashing Dan's Plumbing & Heating Inc. | 64 | 4.9★ (764) | West Islip, 4 mi away | 24/7 |
| 5 | HomeServe of Long Island | 64 | 4.6★ (1,573) | Farmingdale, 6 mi away | 24/7 |
| 6 | K2 Heating & Air Conditioning | 64 | 4.8★ (328) | Deer Park | 24/7 |
| 7 | GallettAir Inc. Heating & Air Conditioning | 64 | 4.9★ (406) | West Babylon, 3 mi away | 24/7 |
| 8 | Suffolk Plumbing Inc | 63 | 4.9★ (797) | Amityville, 8 mi away | 24/7 |
| 9 | Wilson's Plumbing Heating HVAC & Electric | 63 | 5.0★ (258) | Bay Shore, 2 mi away | 24/7 |
| 10 | ALL Seasons Air Conditioning | 63 | 4.8★ (321) | West Babylon, 4 mi away | 24/7 |
Call an emergency HVAC contractor in Deer Park 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.
- #1Call (516) 755-3862
Open 24/7 · 4.8 from 6,771 Google reviews
- #2Call (516) 231-6542
#2Apple Air Heating Cooling Electric and Plumbing
Open 24/7 · 4.8 from 4,690 Google reviews
- #3Call (516) 980-3839
Open 24/7 · 4.9 from 3,757 Google reviews
- #4Call (631) 587-5236
#4Dashing Dan's Plumbing & Heating Inc.
Open 24/7 · 4.9 from 764 Google reviews
- #5Call (866) 608-8020
Open 24/7 · 4.6 from 1,573 Google reviews
- #6Call (800) 531-2160
#6K2 Heating & Air Conditioning
Open 24/7 · 4.8 from 328 Google reviews
- #8Call (631) 813-9384
Open 24/7 · 4.9 from 797 Google reviews
- #9Call (631) 855-5832
#9Wilson's Plumbing Heating HVAC & Electric
Open 24/7 · 5.0 from 258 Google reviews
The 50 emergency HVAC contractors in Deer Park, 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 993 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.
Based in Farmingdale, 6 mi away
66/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 4,690 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 4,690 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 700 Broadhollow Rd, Farmingdale, NY 11735
Based in Hicksville, 9 mi away
65/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 3,757 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 3,757 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 Washington Pkwy, Hicksville, NY 11801
Based in West Islip, 4 mi away
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 764 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 258 Higbie Ln, West Islip, NY 11795
Based in Farmingdale, 6 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.6★ from 1,573 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 1,573 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 500 Bi County Blvd, Farmingdale, NY 11735
Based in Deer Park
64/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 328 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 328 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 561 Acorn St unit d, Deer Park, NY 11729
Based in West Babylon, 3 mi away
64/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 406 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 406 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 860 Little East Neck Rd North, West Babylon, NY 11704
Based in Amityville, 8 mi away
63/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 797 Google reviews, listed on Google as “Heating contractor”.
- 4.9★ from 797 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 76 Montauk Hwy, Amityville, NY 11701
Based in Bay Shore, 2 mi away
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 258 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 258 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1062 Udall Rd, Bay Shore, NY 11706
Based in West Babylon, 4 mi away
63/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 321 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 321 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 40 Field St, West Babylon, NY 11704
Based in Massapequa, 8 mi away
63/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 590 Google reviews, listed on Google as “Heating contractor”.
- 4.8★ from 590 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5620 Old Sunrise Hwy, Massapequa, NY 11758
Based in Copiague, 6 mi away
63/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 407 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 407 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 35 Court St, Copiague, NY 11726
Based in Bohemia, 11 mi away
63/100CR ScoreRanked #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
#14 Energywise Inc
Based in Ronkonkoma, 10 mi away
62/100CR ScoreRanked #14 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
Based in Deer Park
62/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 210 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 210 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 569 Acorn St Unit 6, Deer Park, NY 11729
Based in Lindenhurst, 6 mi away
62/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 194 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 194 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Madison Ave, Lindenhurst, NY 11757
#17 Cool Power LLC
Based in Ronkonkoma, 12 mi away
62/100CR ScoreRanked #17 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
Based in Copiague, 7 mi away
62/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 398 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 398 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1265D Montauk Hwy, Copiague, NY 11726
Based in Massapequa, 8 mi away
62/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 283 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 283 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5788 Merrick Rd Suite 203, Massapequa, NY 11758
Based in Bay Shore, 4 mi away
62/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 112 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 112 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1557 5th Ave, Bay Shore, NY 11706
Based in Floral Park, 19 mi away
61/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 929 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 929 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 97 Gilmore Blvd, Floral Park, NY 11001
Based in Huntington Station, 8 mi away
61/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.5★ from 398 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 398 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 151 E 2nd St, Huntington Station, NY 11746
Based in Port Washington, 18 mi away
61/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 1,212 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,212 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 24 Seaview Blvd, Port Washington, NY 11050
Based in Bay Shore, 3 mi away
61/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 63 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1669 N Thompson Dr, Bay Shore, NY 11706
Based in West Babylon, 3 mi away
61/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.5★ from 161 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 161 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 99 Mahan St Suite A, West Babylon, NY 11704
Top 50 of 993 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.
How we ranked emergency HVAC contractors in Deer Park
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.
| Factor | Weight | Computed from |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |
Emergency HVAC contractors in Deer Park: questions
Which HVAC contractors in Deer Park are open 24/7?
25 on this list post 24/7 hours, including Universe Home Services, Apple Air Heating Cooling Electric and Plumbing, Tragar Home Services, Dashing Dan's Plumbing & Heating Inc. and HomeServe of Long Island.
Who is ranked #1 for emergency heating and cooling in Deer Park, NY?
Universe Home Services is #1, with a CR Score of 67 out of 100 on emergency weights.
How are emergency HVAC contractors in Deer Park 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?
24 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.
Update log for Deer Park
- October 2026: CR Scores recalculated for 993 hvac contractors serving Deer Park.
- October 2026: 3 duplicate listings merged.