Top 50 of 696 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency heating and cooling in Lake Grove: Varsity Home Service, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Varsity Home Service | 64 | 4.7★ (1,230) | Bohemia, 5 mi away | 24/7 |
| 2 | Kintech Heating, Cooling & Plumbing | 64 | 5.0★ (633) | Port Jefferson Station, 6 mi away | 24/7 |
| 3 | Cool Power LLC | 64 | 4.9★ (630) | Ronkonkoma, 5 mi away | 24/7 |
| 4 | Energywise Inc | 64 | 4.9★ (514) | Ronkonkoma, 4 mi away | 24/7 |
| 5 | Universe Home Services | 64 | 4.8★ (6,771) | Farmingdale, 17 mi away | 24/7 |
| 6 | US Air Conditioning & Heating | 63 | 4.8★ (582) | Port Jefferson Station, 6 mi away | 24/7 |
| 7 | Apple Air Heating Cooling Electric and Plumbing | 63 | 4.8★ (4,690) | Farmingdale, 19 mi away | 24/7 |
| 8 | Sunray Services - Air Conditioning and Heating | 63 | 4.5★ (494) | Nesconset, 2 mi away | 24/7 |
| 9 | Tragar Home Services | 62 | 4.9★ (3,757) | Hicksville, 22 mi away | 24/7 |
| 10 | Dashing Dan's Plumbing & Heating Inc. | 62 | 4.9★ (764) | West Islip, 14 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
Open 24/7 · 4.7 from 1,230 Google reviews
#2Kintech Heating, Cooling & Plumbing
Open 24/7 · 5.0 from 633 Google reviews
Open 24/7 · 4.9 from 630 Google reviews
Open 24/7 · 4.9 from 514 Google reviews
Open 24/7 · 4.8 from 6,771 Google reviews
#6US Air Conditioning & Heating
Open 24/7 · 4.8 from 582 Google reviews
#7Apple Air Heating Cooling Electric and Plumbing
Open 24/7 · 4.8 from 4,690 Google reviews
#8Sunray Services - Air Conditioning and Heating
Open 24/7 · 4.5 from 494 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 696 is on the HVAC contractors page.
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 because of its Google rating and trade focus: 4.7★ from 1,230 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Port Jefferson Station, 6 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 633 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 5 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 Ronkonkoma, 4 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 Farmingdale, 17 mi away
Ranked #5 because of its Google rating and review volume: 4.8★ from 6,771 Google reviews.
Based in Port Jefferson Station, 6 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 582 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmingdale, 19 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 4,690 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 Hicksville, 22 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 3,757 Google reviews, listed on Google as “HVAC contractor”.
Based in West Islip, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 764 Google reviews, listed on Google as “HVAC contractor”.
Based in Coram, 13 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 439 Google reviews, listed on Google as “HVAC contractor”.
Based in Bohemia, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 4 mi away
Ranked #13 because of its Google rating and trade focus: 4.3★ from 428 Google reviews, listed on Google as “HVAC contractor”.
Based in Holtsville, 5 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, 9 mi away
Ranked #15 because of its Google rating and trade focus: 4.4★ from 872 Google reviews, listed on Google as “HVAC contractor”.
Based in Ronkonkoma, 4 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, 6 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 Coram, 6 mi away
Ranked #18 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 #19 because of its Google rating and trade focus: 5.0★ from 258 Google reviews, listed on Google as “HVAC contractor”.
Based in East Farmingdale, 6 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 Lake Ronkonkoma, 1 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 46 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmingdale, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 1,573 Google reviews, listed on Google as “HVAC contractor”.
Based in Bayport, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “HVAC contractor”.
Based in West Babylon, 16 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 406 Google reviews, listed on Google as “HVAC contractor”.
Based in Amityville, 20 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 797 Google reviews, listed on Google as “Heating contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
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 |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |