Top 50 of 72 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 Canandaigua: Isaac Heating & Air Conditioning, 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 | Isaac Heating & Air Conditioning | 66 | 4.8★ (974) | Canandaigua | 24/7 |
| 2 | Potter Heating Cooling & Plumbing | 66 | 4.9★ (668) | Canandaigua | 24/7 |
| 3 | Halco of Phelps | 64 | 4.9★ (2,427) | Newark, 16 mi away | 24/7 |
| 4 | Miano's Heating and Cooling | 64 | 5.0★ (212) | Niagara Falls, 4 mi away | 24/7 |
| 5 | John Betlem Heating & Cooling | 63 | 4.9★ (2,704) | Rochester, 20 mi away | 24/7 |
| 6 | Finger Lakes Comfort, Inc. | 63 | 4.9★ (823) | Newark, 15 mi away | 24/7 |
| 7 | Halco of Rochester | 62 | 5.0★ (877) | Rochester, 20 mi away | 24/7 |
| 8 | Airquip Heating & Air Conditioning | 61 | 4.9★ (640) | Rochester, 20 mi away | 24/7 |
| 9 | Crossfield Heating & Air Conditioning | 61 | 4.9★ (1,008) | Webster, 25 mi away | 24/7 |
| 10 | High Performance Heating & Air Conditioning | 60 | 4.8★ (711) | Rochester, 23 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.
#1Isaac Heating & Air Conditioning
Open 24/7 · 4.8 from 974 Google reviews
#2Potter Heating Cooling & Plumbing
Open 24/7 · 4.9 from 668 Google reviews
Open 24/7 · 4.9 from 2,427 Google reviews
Open 24/7 · 5.0 from 212 Google reviews
#5John Betlem Heating & Cooling
Open 24/7 · 4.9 from 2,704 Google reviews
Open 24/7 · 4.9 from 823 Google reviews
Open 24/7 · 5.0 from 877 Google reviews
#8Airquip Heating & Air Conditioning
Open 24/7 · 4.9 from 640 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 72 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 974 Google reviews, listed on Google as “Furnace repair service”.
Based in Canandaigua
Ranked #2 because of its Google rating and trade focus: 4.9★ from 668 Google reviews, listed on Google as “HVAC contractor”.
Based in Newark, 16 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 2,427 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Niagara Falls, 4 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 212 Google reviews, listed on Google as “HVAC contractor”.
Based in Rochester, 20 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 2,704 Google reviews.
Based in Newark, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 823 Google reviews, listed on Google as “HVAC contractor”.
Based in Rochester, 20 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 877 Google reviews, listed on Google as “HVAC contractor”.
Based in Rochester, 20 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 640 Google reviews, listed on Google as “HVAC contractor”.
Based in Webster, 25 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 1,008 Google reviews, listed on Google as “HVAC contractor”.
Based in Rochester, 23 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 711 Google reviews, listed on Google as “HVAC contractor”.
Based in Rochester, 24 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 580 Google reviews, listed on Google as “HVAC contractor”.
Based in Rochester, 23 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 605 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 22 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 257 Google reviews, listed on Google as “HVAC contractor”.
Based in Irondequoit, 5 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 19 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 119 Google reviews, listed on Google as “HVAC contractor”.
Based in Fairport, 17 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “HVAC contractor”.
Based in Webster, 22 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 18 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 16 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Heating contractor”.
Based in Rochester, 25 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 156 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 20 mi away
Ranked #21 because of its Google rating and trade focus: 4.4★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 15 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based in Niagara Falls, 17 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based in East Rochester, 20 mi away
Ranked #24 because of its Google rating and trade focus: 4.4★ from 14 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 24 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 14 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 |