Top 50 of 710 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 Windsor: Reliance Heating, Air Conditioning & Plumbing, 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 | Reliance Heating, Air Conditioning & Plumbing | 67 | 4.8★ (8,756) | Windsor | 24/7 |
| 2 | Absolute Comfort Control Services | 65 | 4.9★ (1,469) | Windsor | 24/7 |
| 3 | Bryant Heating & Cooling Service Experts | 65 | 4.8★ (1,330) | Windsor | 24/7 |
| 4 | CK Mechanical Heating and Cooling Inc. | 64 | 4.8★ (863) | Windsor | 24/7 |
| 5 | Handy Bros. HVAC Windsor (AC and Furnace Repair) | 63 | 4.9★ (347) | Windsor | 24/7 |
| 6 | Fahrhall Home Comfort Specialists | 63 | 4.7★ (374) | Windsor | 24/7 |
| 7 | AD Trades Mechanical Inc( heating & Cooling) | 63 | 5.0★ (162) | Windsor | 24/7 |
| 8 | Guaranteed Comfort Heating & Cooling | 63 | 4.9★ (169) | Windsor | 24/7 |
| 9 | Syles Mechanical Services | 62 | 4.8★ (704) | Essex, 11 km away | 24/7 |
| 10 | FLAME Heating, Cooling, Plumbing, Electrical | 62 | 4.7★ (3,170) | Warren, 22 km 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.
#1Reliance Heating, Air Conditioning & Plumbing
Open 24/7 · 4.8 from 8,756 Google reviews
#2Absolute Comfort Control Services
Open 24/7 · 4.9 from 1,469 Google reviews
#3Bryant Heating & Cooling Service Experts
Open 24/7 · 4.8 from 1,330 Google reviews
#4CK Mechanical Heating and Cooling Inc.
Open 24/7 · 4.8 from 863 Google reviews
#5Handy Bros. HVAC Windsor (AC and Furnace Repair)
Open 24/7 · 4.9 from 347 Google reviews
#6Fahrhall Home Comfort Specialists
Open 24/7 · 4.7 from 374 Google reviews
#7AD Trades Mechanical Inc( heating & Cooling)
Open 24/7 · 5.0 from 162 Google reviews
#8Guaranteed Comfort Heating & Cooling
Open 24/7 · 4.9 from 169 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 710 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 8,756 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,469 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,330 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #4 because of its Google rating and trade focus: 4.8★ from 863 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #5 because of its Google rating and trade focus: 4.9★ from 347 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #6 because of its Google rating and trade focus: 4.7★ from 374 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #7 because of its Google rating and trade focus: 5.0★ from 162 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #8 because of its Google rating and trade focus: 4.9★ from 169 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Essex, 11 km away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 704 Google reviews, listed on Google as “HVAC contractor”.
Based in Warren, 22 km away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 3,170 Google reviews, listed on Google as “HVAC contractor”.
Based in Southfield, 28 km away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 5,322 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #12 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “HVAC contractor”.
Based in Clinton Township, 31 km away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 3,178 Google reviews, listed on Google as “HVAC contractor”.
Based in Taylor, 20 km away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 702 Google reviews, listed on Google as “HVAC contractor”.
Based in Lincoln Park, 15 km away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 247 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor
Ranked #16 because of its Google rating and trade focus: 4.8★ from 46 Google reviews, listed on Google as “HVAC contractor”.
Based in Ferndale, 20 km away
Ranked #17 because of its Google rating and review volume: 4.9★ from 6,410 Google reviews.
Based in Flat Rock, 31 km away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,313 Google reviews, listed on Google as “HVAC contractor”.
Based in Dearborn, 22 km away
Ranked #19 because of its Google rating and trade focus: 4.3★ from 2,053 Google reviews, listed on Google as “HVAC contractor”.
Based in Warren, 19 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 216 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 32 km away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,199 Google reviews, listed on Google as “HVAC contractor”.
Based in Trenton, 22 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 291 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Dearborn, 24 km away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 851 Google reviews, listed on Google as “HVAC contractor”.
Based in Warren, 22 km away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 555 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 34 km away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 1,422 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 |