Top 50 of 762 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 East Norwalk: Air Solutions, Inc., 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 | Air Solutions, Inc. | 63 | 4.8★ (718) | Stamford, 9 mi away | 24/7 |
| 2 | Aire Serv of Southwest Connecticut | 62 | 4.8★ (565) | Ansonia, 8 mi away | 24/7 |
| 3 | Universe Home Services | 62 | 4.8★ (6,771) | Farmingdale, 24 mi away | 24/7 |
| 4 | Climate Care, LLC | 62 | 4.6★ (171) | Norwalk, 2 mi away | 24/7 |
| 5 | EXTRAVE Heating & Cooling | 62 | 5.0★ (209) | Stamford, 7 mi away | 24/7 |
| 6 | Servco Oil & Propane | 62 | 5.0★ (133) | Darien, 5 mi away | 24/7 |
| 7 | ENCON Heating and Air Conditioning | 62 | 4.9★ (211) | Stamford, 7 mi away | 24/7 |
| 8 | ENCON Heating and Air Conditioning | 61 | 4.9★ (529) | Bridgeport, 14 mi away | 24/7 |
| 9 | Celco Heating & Air Conditioning | 61 | 4.7★ (861) | Bridgeport, 14 mi away | 24/7 |
| 10 | Green Mechanicals Heating & Cooling LLC | 61 | 4.8★ (179) | Stamford, 6 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 · 4.8 from 718 Google reviews
#2Aire Serv of Southwest Connecticut
Open 24/7 · 4.8 from 565 Google reviews
Open 24/7 · 4.8 from 6,771 Google reviews
Open 24/7 · 4.6 from 171 Google reviews
Open 24/7 · 5.0 from 209 Google reviews
Open 24/7 · 5.0 from 133 Google reviews
#7ENCON Heating and Air Conditioning
Open 24/7 · 4.9 from 211 Google reviews
#8ENCON Heating and Air Conditioning
Open 24/7 · 4.9 from 529 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 762 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: 4.8★ from 718 Google reviews, listed on Google as “HVAC contractor”.
Based in Ansonia, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 565 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmingdale, 24 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 6,771 Google reviews.
Based in Norwalk, 2 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 171 Google reviews, listed on Google as “HVAC contractor”.
Based in Stamford, 7 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 209 Google reviews, listed on Google as “HVAC contractor”.
Based in Darien, 5 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “HVAC contractor”.
Based in Stamford, 7 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 211 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeport, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 529 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeport, 14 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 861 Google reviews, listed on Google as “HVAC contractor”.
Based in Stamford, 6 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 179 Google reviews, listed on Google as “HVAC contractor”.
Based in Greenburgh, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 3,366 Google reviews, listed on Google as “HVAC contractor”.
Based in White Plains, 20 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 1,821 Google reviews, listed on Google as “HVAC contractor”.
Based in Stamford, 7 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Heating contractor”.
Based in Stratford, 14 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 570 Google reviews, listed on Google as “HVAC contractor”.
Based in Port Chester, 16 mi away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 1,257 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 1,151 Google reviews, listed on Google as “HVAC contractor”.
Based in Greenwich, 15 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 297 Google reviews, listed on Google as “Heating contractor”.
Based in Darien, 4 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “HVAC contractor”.
Based in Eastchester, 24 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 1,440 Google reviews, listed on Google as “HVAC contractor”.
Based in Trumbull, 16 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 590 Google reviews, listed on Google as “HVAC contractor”.
Based in Ridgefield, 12 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 212 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethel, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 555 Google reviews, listed on Google as “HVAC contractor”.
Based in Norwalk, 2 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based in Greenburgh, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 549 Google reviews, listed on Google as “HVAC contractor”.
Based in Port Jefferson Station, 23 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 633 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.
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 |