66/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 8,756 Google reviews.
- 4.8★ from 8,756 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1900 Blackacre Dr, Windsor, ON N0R 1L0
Emergency HVAC Contractors in Essex, ON (2026)
Top 50 of 319 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.
If you smell gas, leave the building now and call your gas utility or 911 from outside.
The short answer
- 1
#1 for emergency heating and cooling in Essex: 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
Top emergency HVAC contractors in Essex at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Reliance Heating, Air Conditioning & Plumbing | 66 | 4.8★ (8,756) | Windsor, 14 km away | 24/7 |
| 2 | Syles Mechanical Services | 65 | 4.8★ (704) | Essex | 24/7 |
| 3 | AC’s Heating and Cooling | 65 | 5.0★ (420) | Essex | 24/7 |
| 4 | Handy Bros. HVAC Leamington (AC and Furnace Repair) | 63 | 4.9★ (240) | Essex | 24/7 |
| 5 | Absolute Comfort Control Services | 63 | 4.9★ (1,469) | Windsor, 17 km away | 24/7 |
| 6 | Dave Heating Cooling | 63 | 4.9★ (192) | Essex | 24/7 |
| 7 | Bryant Heating & Cooling Service Experts | 63 | 4.8★ (1,330) | Windsor, 18 km away | 24/7 |
| 8 | The Heating and Cooling Company Of Detroit | 62 | 4.9★ (89) | Essex | 24/7 |
| 9 | CK Mechanical Heating and Cooling Inc. | 61 | 4.8★ (863) | Windsor, 25 km away | 24/7 |
| 10 | Handy Bros. HVAC Windsor (AC and Furnace Repair) | 61 | 4.9★ (347) | Windsor, 21 km away | 24/7 |
Call an emergency HVAC contractor in Essex now
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.
- #1Call (866) 756-7191
#1Reliance Heating, Air Conditioning & Plumbing
Open 24/7 · 4.8 from 8,756 Google reviews
- #2Call (519) 979-2090
Open 24/7 · 4.8 from 704 Google reviews
- #3Call (313) 334-0884
Open 24/7 · 5.0 from 420 Google reviews
- #4Call (226) 210-4320
#4Handy Bros. HVAC Leamington (AC and Furnace Repair)
Open 24/7 · 4.9 from 240 Google reviews
- #5Call (226) 778-9204
#5Absolute Comfort Control Services
Open 24/7 · 4.9 from 1,469 Google reviews
- #6Call (519) 567-6060
Open 24/7 · 4.9 from 192 Google reviews
- #7Call (519) 966-1147
#7Bryant Heating & Cooling Service Experts
Open 24/7 · 4.8 from 1,330 Google reviews
- #8Call (313) 488-2188
#8The Heating and Cooling Company Of Detroit
Open 24/7 · 4.9 from 89 Google reviews
The 50 emergency HVAC contractors in Essex, ranked
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 319 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.
Based in Essex
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 704 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 704 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3255 Odessa Dr, Tecumseh, ON N8N 0H8
Based in Essex
65/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 420 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 420 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Essex
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 240 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 240 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 Erie St N, Upper Level, ON N8H 2Z2
Based in Windsor, 17 km away
63/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 1,469 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,469 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4080 North Service Rd E #2, Windsor, ON N8W 5X2
Based in Essex
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 192 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 192 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1365 Crosswinds Dr, Belle River, ON N8L 0T3
Based in Windsor, 18 km away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 1,330 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,330 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3194 Devon Dr, Windsor, ON N8X 4L2
Based in Essex
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Windsor, 25 km away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 863 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 863 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3846 Peter St, Windsor, ON N9C 1K2
Based in Windsor, 21 km away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 347 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 347 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5430 Wyandotte St E, Windsor, ON N8S 1L8
Based in Essex
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 28 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Windsor, 19 km away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 162 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 162 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 716 Vanier St, Windsor, ON N8X 3E6
Based in Windsor, 18 km away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 169 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.9★ from 169 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2722 Meldrum Rd, Windsor, ON N8W 4G5
Based in Essex
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2 Talbot St S Unit#4, Essex, ON N8M 1A7
Based in Flat Rock, 39 km away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 1,313 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,313 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 27518 Telegraph Rd, Flat Rock, MI 48134, United States
Based in Windsor, 25 km away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 374 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 374 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3822 Sandwich St., Windsor, ON N9C 1C1
Based in Trenton, 31 km away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 330 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 330 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3336 Charles St, Trenton, MI 48183
Based in Trenton, 31 km away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 291 Google reviews, listed on Google as “Air conditioning contractor”.
- 5.0★ from 291 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1661 Kenwood St, Trenton, MI 48183, United States
Based in Taylor, 35 km away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 702 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 702 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21159 Goddard Rd, Taylor, MI 48180
Based in Windsor, 18 km away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 88 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9962 Little River Blvd, Windsor, ON N8P 0C5
Based in Essex
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.1★ from 23 Google reviews, listed on Google as “HVAC contractor”.
- 4.1★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 527 Notre Dame St, Belle River, ON N8L 1K8
Based in Lincoln Park, 30 km away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 247 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 247 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3725 Fort St, Lincoln Park, MI 48146, United States
Based in Riverview, 32 km away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 198 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 198 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18421 Valleyview St, Riverview, MI 48193
Based in Grosse Pointe, 25 km away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 105 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 656 St Clair Ave, Grosse Pointe, MI 48236
Based in Romulus, 36 km away
58/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 271 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 271 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17790 Telegraph Rd, Brownstown Township, MI 48174
Top 50 of 319 HVAC contractors by emergency score
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
How we ranked emergency HVAC contractors in Essex
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 |
Emergency HVAC contractors in Essex: questions
Which HVAC contractors in Essex are open 24/7?
25 on this list post 24/7 hours, including Reliance Heating, Air Conditioning & Plumbing, Syles Mechanical Services, AC’s Heating and Cooling, Handy Bros. HVAC Leamington (AC and Furnace Repair) and Absolute Comfort Control Services.
Who is ranked #1 for emergency heating and cooling in Essex, ON?
Reliance Heating, Air Conditioning & Plumbing is #1, with a CR Score of 66 out of 100 on emergency weights.
How are emergency HVAC contractors in Essex ranked?
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.
What should I do before the HVAC contractor arrives?
If you smell gas, leave the building now and call your gas utility or 911 from outside.
How many emergency HVAC contractors here list a phone number?
25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.
Update log for Essex
- October 2026: CR Scores recalculated for 319 hvac contractors serving Essex.
- October 2026: 1 duplicate listing merged.