431 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mastic Beach: Kintech Heating, Cooling & Plumbing, CR Score 91/100; 5.0★ from 633 Google reviews; open 24/7.
Best for emergencies (open 24/7): Cool Power LLC, posts 24/7 hours; ranked #2 of 431.
Most-reviewed: NH Ross, 2,447 Google reviews at 4.7★, the most of 431 ranked; ranked #36.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
431 Mastic Beach HVAC contractors are ranked here by CR Score, from 8 published factors. 142 are open 24/7, 283 open Saturdays and 178 open Sundays, based on posted hours. The median Google rating is 4.8★ across 431 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Kintech Heating, Cooling & Plumbing | 91 | 5.0★ (633) | Port Jefferson Station, 14 mi away | 24/7 | Overall |
| 2 | Cool Power LLC | 91 | 4.9★ (630) | Ronkonkoma, 13 mi away | 24/7 | Emergencies |
| 3 | Airborne Heating & Air Conditioning - HVAC Contractor | 91 | 5.0★ (439) | Coram, 14 mi away | 24/7 | — |
| 4 | ECE Air | 90 | 4.8★ (159) | Calverton, 2 mi away | 24/7 | — |
| 5 | Energywise Inc | 90 | 4.9★ (514) | Ronkonkoma, 15 mi away | 24/7 | — |
| 6 | PerfecTemp Heating and Air Conditioning | 90 | 5.0★ (81) | Center Moriches, 4 mi away | 24/7 | — |
| 7 | US Air Conditioning & Heating | 89 | 4.8★ (582) | Port Jefferson Station, 14 mi away | 24/7 | — |
| 8 | Petro Home Services | 89 | 4.4★ (872) | Yaphank, 6 mi away | 24/7 | — |
| 9 | Dashing Dan's Plumbing & Heating Inc. | 88 | 4.9★ (764) | West Islip, 24 mi away | 24/7 | — |
| 10 | K.S Mechanical Services | Air Conditioning | Boiler Repair | Furnace Repair | 88 | 4.9★ (135) | Bohemia, 13 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Mastic Beach
Based in Port Jefferson Station, 14 mi away
Ranked #1 because of its Google rating and availability: 5.0★ from 633 Google reviews, open 24/7.
Based in Ronkonkoma, 13 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 630 Google reviews, open 24/7.
Based in Coram, 14 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 439 Google reviews, open 24/7.
Based in Calverton, 2 mi away
Ranked #4 because of its Google rating and availability: 4.8★ from 159 Google reviews, open 24/7.
Based in Ronkonkoma, 15 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 514 Google reviews, open 24/7.
Based in Center Moriches, 4 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 81 Google reviews, open 24/7.
Based in Port Jefferson Station, 14 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 582 Google reviews, open 24/7.
Based in Yaphank, 6 mi away
Ranked #8 because of its Google rating and availability: 4.4★ from 872 Google reviews, open 24/7.
Based in West Islip, 24 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 764 Google reviews, open 24/7.
Based in Bohemia, 13 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 135 Google reviews, open 24/7.
Based in Holtsville, 10 mi away
Ranked #11 because of its Google rating and availability: 4.7★ from 191 Google reviews, open 24/7.
Based in Yaphank, 6 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 52 Google reviews, open 24/7.
Based in Bohemia, 14 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 138 Google reviews, open 24/7.
Based in Glen Cove, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 269 Google reviews, listed on Google as “HVAC contractor”.
Based in East Farmingdale, 12 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 107 Google reviews, open 24/7.
Based in Bay Shore, 23 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 258 Google reviews, open 24/7.
Based in Calverton, 14 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 80 Google reviews, open 24/7.
Based in Ronkonkoma, 15 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 117 Google reviews, open 24/7.
Based in East Patchogue, 6 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 30 Google reviews, open 24/7.
Based in Calverton, 14 mi away
Ranked #20 because of its Google rating and availability: 4.9★ from 93 Google reviews, open 24/7.
Based in Coram, 16 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 125 Google reviews, open 24/7.
Based in Patchogue, 8 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
Based in Calverton, 14 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 63 Google reviews, open 24/7.
Based in Bohemia, 14 mi away
Ranked #24 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, 11 mi away
Ranked #25 because of its Google rating and availability: 4.8★ from 71 Google reviews, open 24/7.
#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 431 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 |
| Action Air Refrigeration | 1.0★ (2) | 11 mi |
| CAS HEAT AND COOL | 5.0★ (2) | 10 mi |
| DiPrizito Plumbing and Heating Inc | 5.0★ (2) | 8 mi |
| Empire Building Solutions | 4.5★ (2) | 5 mi |
| EXIT777 - Renovation and maintenance service | 5.0★ (2) | 11 mi |
| Flawless Home Repair | 5.0★ (2) | 5 mi |
| Fordhom Plumbing & Heating | 5.0★ (2) | 8 mi |
| Green Synergy Solutions | 1.5★ (2) | 3 mi |
| Houcks Burner Service | 4.2★ (10) | 4 mi |
| Island Air Heating and Cooling | 4.4★ (49) | 12 mi |
| KDK Mechanical Inc. | 5.0★ (2) | 10 mi |
| Lion Air Installations | 1.0★ (2) | 10 mi |
| Long Island's Burner King, LLC | 4.3★ (428) | 15 mi |
| Majeskis Heating & Air Conditioning | 5.0★ (1) | In Mastic Beach |
| Pacific Heating & Air Conditioning | 4.9★ (60) | 11 mi |
| Schneider's All Star Mechanical HVAC Corp. | 5.0★ (2) | 10 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 Beach. 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 431 Mastic Beach HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Beach data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |