66/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 6,771 Google reviews, the most in West Islip.
- 4.8★ from 6,771 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 260 Smith St, Farmingdale, NY 11735
Best HVAC Contractors in West Islip, NY (2026)
867 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in West Islip: Universe Home Services, CR Score 66/100; 4.8★ from 6,771 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Apple Air Heating Cooling Electric and Plumbing, posts 24/7 hours; ranked #2 of 867.
- 2
Most-reviewed: Apple Air Heating Cooling Electric and Plumbing, 4,690 Google reviews at 4.8★, the most of 867 ranked after Universe Home Services; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
867 West Islip HVAC contractors are ranked here by CR Score, from ten published factors. 272 are open 24/7, 538 open Saturdays and 379 open Sundays, based on posted hours. The median Google rating is 4.8★ across 867 rated businesses.
Top 10 HVAC contractors in West Islip at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Universe Home Services | 66 | 4.8★ (6,771) | Farmingdale, 7 mi away | 24/7 | Overall |
| 2 | Apple Air Heating Cooling Electric and Plumbing | 65 | 4.8★ (4,690) | Farmingdale, 6 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Dashing Dan's Plumbing & Heating Inc. | 65 | 4.9★ (764) | West Islip | 24/7 | — |
| 4 | Tragar Home Services | 65 | 4.9★ (3,757) | Hicksville, 11 mi away | 24/7 | — |
| 5 | Suffolk Plumbing Inc | 64 | 4.9★ (797) | Amityville, 6 mi away | 24/7 | — |
| 6 | GallettAir Inc. Heating & Air Conditioning | 63 | 4.9★ (406) | West Babylon, 3 mi away | 24/7 | — |
| 7 | Wilson's Plumbing Heating HVAC & Electric | 63 | 5.0★ (258) | Bay Shore, 2 mi away | 24/7 | — |
| 8 | HomeServe of Long Island | 63 | 4.6★ (1,573) | Farmingdale, 7 mi away | 24/7 | — |
| 9 | LVV HVAC Heating & Refrigeration | 63 | 5.0★ (194) | Lindenhurst, 4 mi away | 24/7 | — |
| 10 | All Weather Heating & Cooling | 62 | 4.8★ (407) | Copiague, 5 mi away | 24/7 | — |
The 867 best HVAC contractors in West Islip, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
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
65/100CR 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 West Islip
65/100CR ScoreRanked #3 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 Hicksville, 11 mi away
65/100CR ScoreRanked #4 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 Amityville, 6 mi away
64/100CR ScoreRanked #5 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 West Babylon, 3 mi away
63/100CR ScoreRanked #6 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 Bay Shore, 2 mi away
63/100CR ScoreRanked #7 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 Farmingdale, 7 mi away
63/100CR ScoreRanked #8 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 Lindenhurst, 4 mi away
63/100CR ScoreRanked #9 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
Based in Copiague, 5 mi away
62/100CR ScoreRanked #10 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 Massapequa, 7 mi away
62/100CR 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 Deer Park, 4 mi away
62/100CR ScoreRanked #12 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, 5 mi away
62/100CR ScoreRanked #13 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, 7 mi away
62/100CR ScoreRanked #14 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
#15 Energywise Inc
Based in Ronkonkoma, 11 mi away
62/100CR ScoreRanked #15 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 Copiague, 5 mi away
62/100CR ScoreRanked #16 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
#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 Bay Shore, 4 mi away
61/100CR ScoreRanked #18 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, 20 mi away
61/100CR ScoreRanked #19 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 Lindenhurst, 3 mi away
61/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 90 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 90 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7 Storz Pl, Lindenhurst, NY 11757
Based in Bay Shore, 4 mi away
60/100CR ScoreRanked #21 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 Port Jefferson Station, 20 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 633 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 633 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 585 N Bicycle Path # 6, Port Jefferson Station, NY 11776
Based in Bay Shore, 3 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 56 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Massapequa, 9 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 123 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20 Brooklyn Ave, Massapequa, NY 11758
Based in West Babylon, 2 mi away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 67 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 67 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 68 NY-109, West Babylon, NY 11704
HVAC contractors ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 867 ranked HVAC contractors here; the rest are on their profiles.
Also serving West Islip
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| All-Temp Refrigeration & Air Conditioning, Corp. | 3.0★ (2) | 5 mi |
| American Metal Inc | 5.0★ (2) | 5 mi |
| Apollo Hvac Corp | 3.0★ (2) | 4 mi |
| Commercial Instrumentation Services | 2.0★ (2) | 4 mi |
| D&L Plumbing & Heating Service | 5.0★ (2) | In West Islip |
| Erol's Plumbing, Heating & A/C Inc. | 4.5★ (51) | 4 mi |
| Expert Mechanical Contracting | In West Islip | |
| Ferme & Son Energy Corporation. | 5.0★ (2) | 8 mi |
| Gallagher Heating & Plumbing | 5.0★ (2) | 2 mi |
| GVA Mechanical LLC | 5.0★ (2) | 2 mi |
| HSL REPS | In West Islip | |
| HVACRX | 3.0★ (2) | 4 mi |
| Johnson Controls | 3.5★ (2) | 8 mi |
| Just Chillin HVACR LLC | 5.0★ (2) | 2 mi |
| KGI Plumbing Heating And Ac | 5.0★ (2) | 6 mi |
| Long Island's Burner King, LLC | 4.3★ (428) | 11 mi |
| Metro Heating & Air Conditioning Inc | 5.0★ (1) | In West Islip |
| Moimoi & Odeen | 1.0★ (2) | 2 mi |
| Petro Home Services | 4.3★ (687) | 13 mi |
| Sunray Services - Air Conditioning and Heating | 4.5★ (494) | 13 mi |
How much do HVAC contractors cost in West Islip?
National price ranges in USD, not adjusted for West Islip. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
When to hire an HVAC contractor in New York
In New York, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
How we ranked West Islip HVAC contractors
We scored 867 West Islip HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
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 | In West Islip data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
HVAC contractors in West Islip: frequently asked questions
Who is the best HVAC contractor in West Islip?
By CR Score, the highest-ranked HVAC contractor in West Islip, NY is Universe Home Services with a CR Score of 66/100. It has 4.8★ from 6,771 Google reviews. It is open 24/7. Apple Air Heating Cooling Electric and Plumbing (#2) and Dashing Dan's Plumbing & Heating Inc. (#3) follow. We ranked 867 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in West Islip?
ContractorsRanked ranks 867 HVAC contractors serving West Islip, NY. 1 of them is based in West Islip; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in West Islip are open 24/7?
272 ranked HVAC contractors in West Islip post 24/7 hours. The highest-ranked are Universe Home Services (#1), Apple Air Heating Cooling Electric and Plumbing (#2) and Dashing Dan's Plumbing & Heating Inc. (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in West Islip work on weekends?
538 of 867 ranked HVAC contractors post Saturday hours and 379 post Sunday hours. The highest-ranked open Saturdays are Universe Home Services (#1), Apple Air Heating Cooling Electric and Plumbing (#2) and Dashing Dan's Plumbing & Heating Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in West Islip?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for West Islip. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do West Islip HVAC contractors have?
The median Google rating among 867 rated HVAC contractors in West Islip is 4.8★, with a median of 17 reviews. Universe Home Services has the most, 6,771 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in West Islip?
In New York, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for West Islip
- October 2026: CR Scores recalculated for 867 hvac contractors serving West Islip.
- October 2026: 2 duplicate listings merged.
More HVAC contractors and West Islip pages
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- All contractors in West Islip