781 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Stony Brook: Kintech Heating, Cooling & Plumbing, CR Score 64/100; 5.0★ from 633 Google reviews; open 24/7.
Best for emergencies (open 24/7): Universe Home Services, posts 24/7 hours; ranked #2 of 781.
Most-reviewed: Universe Home Services, 6,771 Google reviews at 4.8★, the most of 781 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
781 Stony Brook HVAC contractors are ranked here by CR Score, from ten published factors. 249 are open 24/7, 470 open Saturdays and 328 open Sundays, based on posted hours. The median Google rating is 4.8★ across 781 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Kintech Heating, Cooling & Plumbing | 64 | 5.0★ (633) | Port Jefferson Station, 6 mi away | 24/7 | Overall |
| 2 | Universe Home Services | 63 | 4.8★ (6,771) | Farmingdale, 19 mi away | 24/7 | Emergencies, Most reviews |
| 3 | US Air Conditioning & Heating | 63 | 4.8★ (582) | Port Jefferson Station, 5 mi away | 24/7 | — |
| 4 | Energywise Inc | 62 | 4.9★ (514) | Ronkonkoma, 9 mi away | 24/7 | — |
| 5 | Cool Power LLC | 62 | 4.9★ (630) | Ronkonkoma, 10 mi away | 24/7 | — |
| 6 | Apple Air Heating Cooling Electric and Plumbing | 62 | 4.8★ (4,690) | Farmingdale, 20 mi away | 24/7 | — |
| 7 | Tragar Home Services | 62 | 4.9★ (3,757) | Hicksville, 22 mi away | 24/7 | — |
| 8 | Airborne Heating & Air Conditioning - HVAC Contractor | 62 | 5.0★ (439) | Coram, 12 mi away | 24/7 | — |
| 9 | A1 Heating and Air Conditioning | 61 | 4.9★ (125) | Coram, 3 mi away | 24/7 | — |
| 10 | Sunray Services - Air Conditioning and Heating | 61 | 4.5★ (494) | Nesconset, 5 mi away | 24/7 | — |
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.
Ranked #1 in Stony Brook
Based in Port Jefferson Station, 6 mi away
Ranked #1 because of its Google rating and trade focus: 5.0★ from 633 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmingdale, 19 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 6,771 Google reviews, the most in Stony Brook.
Based in Port Jefferson Station, 5 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 582 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 514 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 630 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmingdale, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 4,690 Google reviews, listed on Google as “HVAC contractor”.
Based in Hicksville, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 3,757 Google reviews, listed on Google as “HVAC contractor”.
Based in Coram, 12 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 439 Google reviews, listed on Google as “HVAC contractor”.
Based in Coram, 3 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 125 Google reviews, listed on Google as “HVAC contractor”.
Based in Nesconset, 5 mi away
Ranked #10 because of its Google rating and trade focus: 4.5★ from 494 Google reviews, listed on Google as “Air conditioning contractor”.
Based in West Islip, 17 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “HVAC contractor”.
Based in Bohemia, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 1,230 Google reviews, listed on Google as “Air conditioning contractor”.
Based in East Farmingdale, 7 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 107 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Bay Shore, 15 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 258 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmingville, 7 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 228 Google reviews, listed on Google as “HVAC contractor”.
Based in Middle Island, 10 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 2,447 Google reviews, listed on Google as “Heating contractor”.
Based in Bohemia, 10 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 9 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 117 Google reviews, listed on Google as “HVAC contractor”.
Based in Bohemia, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 135 Google reviews, listed on Google as “HVAC contractor”.
Based in Norwalk, 19 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,998 Google reviews, listed on Google as “HVAC contractor”.
Based in West Babylon, 18 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 406 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeport, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 861 Google reviews, listed on Google as “HVAC contractor”.
Based in Holtsville, 10 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 191 Google reviews, listed on Google as “HVAC contractor”.
Based in Amityville, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 797 Google reviews, listed on Google as “Heating contractor”.
Based in Milford, 20 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 1,151 Google reviews, listed on Google as “HVAC contractor”.
#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 781 ranked HVAC contractors here; the rest are on their profiles.
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 |
|---|---|---|
| Ace Climate Enterprises | 1.0★ (2) | 8 mi |
| Ace HVAC Service, Inc. | 5.0★ (2) | 9 mi |
| Action Air Refrigeration | 1.0★ (2) | 9 mi |
| Best Climate Control Corporation | 5.0★ (2) | 10 mi |
| Crestivew Plumbing & Heating | 5.0★ (2) | 6 mi |
| ECE Air | 4.8★ (159) | 17 mi |
| EXIT777 - Renovation and maintenance service | 5.0★ (2) | 9 mi |
| Global Oil Burner Services | 4.8★ (71) | 12 mi |
| Jet Air Co- Best Ventilation, Plumbing, Heating & Air Conditioning HVAC Contractor, Boiler installation Long Island, New York | 4.6★ (83) | 10 mi |
| Just Rite Heating & Cooling | 3.0★ (2) | 5 mi |
| Lion Air Installations | 1.0★ (2) | 9 mi |
| Ljv mechanical | 5.0★ (104) | 13 mi |
| Madison & East Mechanical Corp | 5.0★ (2) | 9 mi |
| Michael James Industries, Inc. | 3.0★ (2) | 9 mi |
| Ms Air Inc | 3.0★ (2) | 7 mi |
| Pacific Heating & Air Conditioning | 4.9★ (60) | 9 mi |
| Retail Mechanical Services | 4.9★ (46) | 10 mi |
| Storm Hvac Services Inc. | 2.5★ (2) | 9 mi |
| Sunset Refrigeration & AC | 5.0★ (2) | 5 mi |
| Tyler Heating, Air Conditioning, Refrigeration LLC | 4.7★ (570) | 17 mi |
National price ranges in USD, not adjusted for Stony Brook. 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 |
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.
We scored 781 Stony Brook 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 Stony Brook 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 |