783 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Saint James: 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 783.
Most-reviewed: Universe Home Services, 6,771 Google reviews at 4.8★, the most of 783 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
783 Saint James HVAC contractors are ranked here by CR Score, from ten published factors. 248 are open 24/7, 475 open Saturdays and 331 open Sundays, based on posted hours. The median Google rating is 4.8★ across 783 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, 7 mi away | 24/7 | Overall |
| 2 | Universe Home Services | 64 | 4.8★ (6,771) | Farmingdale, 16 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Energywise Inc | 63 | 4.9★ (514) | Ronkonkoma, 6 mi away | 24/7 | — |
| 4 | Cool Power LLC | 63 | 4.9★ (630) | Ronkonkoma, 7 mi away | 24/7 | — |
| 5 | Apple Air Heating Cooling Electric and Plumbing | 63 | 4.8★ (4,690) | Farmingdale, 18 mi away | 24/7 | — |
| 6 | Tragar Home Services | 62 | 4.9★ (3,757) | Hicksville, 20 mi away | 24/7 | — |
| 7 | US Air Conditioning & Heating | 62 | 4.8★ (582) | Port Jefferson Station, 7 mi away | 24/7 | — |
| 8 | Sunray Services - Air Conditioning and Heating | 62 | 4.5★ (494) | Nesconset, 2 mi away | 24/7 | — |
| 9 | Dashing Dan's Plumbing & Heating Inc. | 62 | 4.9★ (764) | West Islip, 14 mi away | 24/7 | — |
| 10 | Airborne Heating & Air Conditioning - HVAC Contractor | 61 | 5.0★ (439) | Coram, 14 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 Saint James
Based in Port Jefferson Station, 7 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, 16 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 6,771 Google reviews, the most in Saint James.
Based in Ronkonkoma, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 514 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 7 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 630 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmingdale, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 4,690 Google reviews, listed on Google as “HVAC contractor”.
Based in Hicksville, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 3,757 Google reviews, listed on Google as “HVAC contractor”.
Based in Port Jefferson Station, 7 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 582 Google reviews, listed on Google as “HVAC contractor”.
Based in Nesconset, 2 mi away
Ranked #8 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, 14 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “HVAC contractor”.
Based in Coram, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 439 Google reviews, listed on Google as “HVAC contractor”.
Based in Bohemia, 7 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 1,230 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Coram, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 125 Google reviews, listed on Google as “HVAC contractor”.
Based in Bay Shore, 12 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 258 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmingville, 6 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 228 Google reviews, listed on Google as “HVAC contractor”.
Based in Bohemia, 7 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 117 Google reviews, listed on Google as “HVAC contractor”.
Based in Bohemia, 8 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 135 Google reviews, listed on Google as “HVAC contractor”.
Based in West Babylon, 15 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 406 Google reviews, listed on Google as “HVAC contractor”.
Based in Amityville, 19 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 797 Google reviews, listed on Google as “Heating contractor”.
Based in East Farmingdale, 7 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 107 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Deer Park, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 328 Google reviews, listed on Google as “HVAC contractor”.
Based in Middle Island, 10 mi away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 2,447 Google reviews, listed on Google as “Heating contractor”.
Based in Farmingdale, 18 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 1,573 Google reviews, listed on Google as “HVAC contractor”.
Based in Holtsville, 8 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 191 Google reviews, listed on Google as “HVAC contractor”.
Based in Brentwood, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 114 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 783 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) | 5 mi |
| Ace HVAC Service, Inc. | 5.0★ (2) | 7 mi |
| Action Air Refrigeration | 1.0★ (2) | 7 mi |
| Best Climate Control Corporation | 5.0★ (2) | 7 mi |
| Crestivew Plumbing & Heating | 5.0★ (2) | 4 mi |
| ECE Air | 4.8★ (159) | 16 mi |
| EXIT777 - Renovation and maintenance service | 5.0★ (2) | 7 mi |
| Ferme & Son Energy Corporation. | 5.0★ (2) | 7 mi |
| Five Aces Plumbing Heating Corp | 5.0★ (2) | 6 mi |
| Jet Air Co- Best Ventilation, Plumbing, Heating & Air Conditioning HVAC Contractor, Boiler installation Long Island, New York | 4.6★ (83) | 7 mi |
| Johnson Controls | 3.5★ (2) | 7 mi |
| Just Rite Heating & Cooling | 3.0★ (2) | 4 mi |
| Lechner Electric Inc | 5.0★ (2) | 8 mi |
| Madison & East Mechanical Corp | 5.0★ (2) | 6 mi |
| Michael James Industries, Inc. | 3.0★ (2) | 6 mi |
| One Hour Heating & Air Conditioning® | 4.5★ (210) | 13 mi |
| Pacific Heating & Air Conditioning | 4.9★ (60) | 7 mi |
| Storm Hvac Services Inc. | 2.5★ (2) | 7 mi |
| Sunset Refrigeration & AC | 5.0★ (2) | 4 mi |
| Tyler Heating, Air Conditioning, Refrigeration LLC | 4.7★ (570) | 20 mi |
National price ranges in USD, not adjusted for Saint James. 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 783 Saint James 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 Saint James 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 |