430 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mastic: Kintech Heating, Cooling & Plumbing, CR Score 63/100; 5.0★ from 633 Google reviews; open 24/7.
Best for emergencies (open 24/7): Airborne Heating & Air Conditioning - HVAC Contractor, posts 24/7 hours; ranked #2 of 430.
Most-reviewed: NH Ross, 2,447 Google reviews at 4.7★, the most of 430 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
430 Mastic HVAC contractors are ranked here by CR Score, from ten published factors. 139 are open 24/7, 282 open Saturdays and 175 open Sundays, based on posted hours. The median Google rating is 4.8★ across 430 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Kintech Heating, Cooling & Plumbing | 63 | 5.0★ (633) | Port Jefferson Station, 13 mi away | 24/7 | Overall |
| 2 | Airborne Heating & Air Conditioning - HVAC Contractor | 63 | 5.0★ (439) | Coram, 11 mi away | 24/7 | Emergencies |
| 3 | Cool Power LLC | 63 | 4.9★ (630) | Ronkonkoma, 13 mi away | 24/7 | — |
| 4 | ECE Air | 63 | 4.8★ (159) | Calverton, 2 mi away | 24/7 | — |
| 5 | Petro Home Services | 62 | 4.4★ (872) | Yaphank, 6 mi away | 24/7 | — |
| 6 | PerfecTemp Heating and Air Conditioning | 62 | 5.0★ (81) | Center Moriches, 3 mi away | 24/7 | — |
| 7 | US Air Conditioning & Heating | 62 | 4.8★ (582) | Port Jefferson Station, 13 mi away | 24/7 | — |
| 8 | Energywise Inc | 62 | 4.9★ (514) | Ronkonkoma, 16 mi away | 24/7 | — |
| 9 | NH Ross | 62 | 4.7★ (2,447) | Middle Island, 9 mi away | Sat · Evenings | Most reviews |
| 10 | Just Fuel | 61 | 4.9★ (269) | Glen Cove, 6 mi away | Sat · Sun | — |
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 Mastic
Based in Port Jefferson Station, 13 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 Coram, 11 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 439 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 13 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 630 Google reviews, listed on Google as “HVAC contractor”.
Based in Calverton, 2 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 159 Google reviews, listed on Google as “HVAC contractor”.
Based in Yaphank, 6 mi away
Ranked #5 because of its Google rating and trade focus: 4.4★ from 872 Google reviews, listed on Google as “HVAC contractor”.
Based in Center Moriches, 3 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “HVAC contractor”.
Based in Port Jefferson Station, 13 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 Ronkonkoma, 16 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 514 Google reviews, listed on Google as “HVAC contractor”.
Based in Middle Island, 9 mi away
Ranked #9 because of its Google rating and review volume: 4.7★ from 2,447 Google reviews, the most in Mastic.
Based in Glen Cove, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 269 Google reviews, listed on Google as “HVAC contractor”.
Based in Bohemia, 15 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 Calverton, 8 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 578 Google reviews, listed on Google as “HVAC contractor”.
Based in Patchogue, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 1,014 Google reviews, listed on Google as “HVAC contractor”.
Based in Holtsville, 10 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 191 Google reviews, listed on Google as “HVAC contractor”.
Based in Yaphank, 6 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “HVAC contractor”.
Based in East Farmingdale, 11 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 107 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Farmingville, 12 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 228 Google reviews, listed on Google as “HVAC contractor”.
Based in Bohemia, 13 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 135 Google reviews, listed on Google as “HVAC contractor”.
Based in Calverton, 5 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Bohemia, 14 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverhead, 11 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 193 Google reviews, listed on Google as “HVAC contractor”.
Based in Shirley, 2 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “HVAC contractor”.
Based in Middle Island, 8 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 994 Google reviews, listed on Google as “HVAC contractor”.
Based in Calverton, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 71 Google reviews, listed on Google as “HVAC contractor”.
Based in Calverton, 12 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 93 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 430 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 HVAC Service, Inc. | 5.0★ (2) | 11 mi |
| Airco HVAC - Air Conditioning and Heating | 5.0★ (38) | 14 mi |
| All Island Comfort | 5.0★ (23) | 10 mi |
| CAS HEAT AND COOL | 5.0★ (2) | 8 mi |
| DiPrizito Plumbing and Heating Inc | 5.0★ (2) | 7 mi |
| Emergency Oil Delivery Inc | 4.3★ (52) | 10 mi |
| Empire Building Solutions | 4.5★ (2) | 6 mi |
| EXIT777 - Renovation and maintenance service | 5.0★ (2) | 11 mi |
| Fordhom Plumbing & Heating | 5.0★ (2) | 6 mi |
| Green Synergy Solutions | 1.5★ (2) | In Mastic |
| Houcks Burner Service | 4.2★ (10) | 3 mi |
| JCP Plumbing & Heating, Inc | 4.9★ (167) | 9 mi |
| KDK Mechanical Inc. | 5.0★ (2) | 8 mi |
| Lion Air Installations | 1.0★ (2) | 9 mi |
| Pacific Heating & Air Conditioning | 4.9★ (60) | 11 mi |
| Schneider's All Star Mechanical HVAC Corp. | 5.0★ (2) | 8 mi |
| Sony Heating and Cooling | 4.9★ (46) | 14 mi |
| South Shore burner service | 3.0★ (2) | 2 mi |
| Storm Hvac Services Inc. | 2.5★ (2) | 11 mi |
| Surefire Mechanical | 4.6★ (11) | 6 mi |
National price ranges in USD, not adjusted for Mastic. 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 430 Mastic 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 Mastic 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 |