65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 3,256 Google reviews.
- 4.8★ from 3,256 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1355 Confederation St Unit 15, Sarnia, ON N7S 4T2
Emergency HVAC Contractors in Saint Clair, MI (2026)
Top 50 of 65 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 Saint Clair: Reliance Home Comfort, 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 Saint Clair at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Reliance Home Comfort | 65 | 4.8★ (3,256) | Sarnia, 12 mi away | 24/7 |
| 2 | Vincent's Heating & Plumbing Inc | 64 | 4.8★ (997) | Port Huron, 10 mi away | 24/7 |
| 3 | It's Your Heating And Cooling Guy | 64 | 4.9★ (739) | Port Huron, 10 mi away | 24/7 |
| 4 | Dependable Heating Cooling & Refrigeration | 63 | 4.9★ (707) | Sarnia, 11 mi away | 24/7 |
| 5 | Handy Bros. HVAC Sarnia (AC and Furnace Repair) | 62 | 4.9★ (312) | Sarnia, 12 mi away | 24/7 |
| 6 | Stewart Adams & Son Heating & Air Conditioning LLC | 61 | 5.0★ (200) | Port Huron, 12 mi away | 24/7 |
| 7 | Superior Heating & Cooling Inc. | 61 | 4.9★ (191) | Port Huron, 12 mi away | 24/7 |
| 8 | Askar Heating and Cooling, LLC | 60 | 4.9★ (424) | Clinton Township, 23 mi away | 24/7 |
| 9 | Finzel's Heating and Cooling | 60 | 4.9★ (516) | Clinton Township, 24 mi away | 24/7 |
| 10 | Bright's Grove Heating & Cooling (AC and Furnace Repair) | 59 | 5.0★ (166) | Sarnia, 19 mi away | 24/7 |
Call an emergency HVAC contractor in Saint Clair 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) 780-3710
Open 24/7 · 4.8 from 3,256 Google reviews
- #2Call (810) 643-0862
#2Vincent's Heating & Plumbing Inc
Open 24/7 · 4.8 from 997 Google reviews
- #3Call (810) 642-4311
#3It's Your Heating And Cooling Guy
Open 24/7 · 4.9 from 739 Google reviews
- #4Call (810) 510-3344
#4Dependable Heating Cooling & Refrigeration
Open 24/7 · 4.9 from 707 Google reviews
- #5Call (226) 210-4320
#5Handy Bros. HVAC Sarnia (AC and Furnace Repair)
Open 24/7 · 4.9 from 312 Google reviews
- #6Call (810) 982-0706
#6Stewart Adams & Son Heating & Air Conditioning LLC
Open 24/7 · 5.0 from 200 Google reviews
- #7Call (586) 727-7753
#7Superior Heating & Cooling Inc.
Open 24/7 · 4.9 from 191 Google reviews
- #8Call (586) 219-1979
#8Askar Heating and Cooling, LLC
Open 24/7 · 4.9 from 424 Google reviews
The 50 emergency HVAC contractors in Saint Clair, 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 65 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 Port Huron, 10 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 997 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 997 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2650 Oak St, Port Huron, MI 48060, United States
Based in Port Huron, 10 mi away
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 739 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 739 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1717 Bancroft St, Port Huron, MI 48060, United States
Based in Sarnia, 11 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 707 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 707 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2302 Wadhams Rd, Smiths Creek, MI 48074, United States
Based in Sarnia, 12 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 312 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 312 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 110 East Street S Unit 11, Sarnia, ON N7T 4H8
Based in Port Huron, 12 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 200 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 200 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1016 11th Ave, Port Huron, MI 48060, United States
Based in Port Huron, 12 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 191 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 191 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 920 Pine Grove Ave, Port Huron, MI 48060, United States
Based in Clinton Township, 23 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 424 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 424 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 46266 Erb Dr, Macomb, MI 48042
Based in Clinton Township, 24 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 516 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 516 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 44335 N Groesbeck Hwy, Clinton Township, MI 48036
Based in Sarnia, 19 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 166 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 166 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Waterworks Rd, Sarnia, ON N0N 1C0
Based in Clinton Township, 21 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 170 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 170 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 47416 Hennings St, Chesterfield, MI 48047
Based in Richmond, 13 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 29 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37562 31 Mile Rd, Richmond, MI 48062
Based in Sarnia, 11 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 20 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 149 Christina St N, Sarnia, ON N7T 5T8
Based in Saint Clair Shores, 23 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 76 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 38923 E Archer Dr Suite 100, Harrison Township, MI 48045
Based in Petrolia, 18 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 37 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 37 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 414 Albany St, Petrolia, ON N0N 1R0
Based in Berkley, 24 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 47 Google reviews, listed on Google as “Heating contractor”.
- 4.7★ from 47 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in New Baltimore, 23 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#18 Heatmasters
Based in New Baltimore, 18 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Heating contractor”.
- 4.6★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 30960 Hickey Rd, New Baltimore, MI 48051
Based in Richmond, 14 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 66375A S Forest Ave, Lenox, MI 48050
Based in Petrolia, 17 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4053 Charlie St, Petrolia, ON N0N 1R0
Based in Richmond, 14 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.5★ from 4 Google reviews, listed on Google as “Heating contractor”.
- 3.5★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 67731 Joe Wood Dr, Richmond, MI 48062
Based in New Baltimore, 20 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “HVAC contractor”.
- 4.4★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 47212 Jefferson Ave, Chesterfield, MI 48047
Based in Clinton Township, 24 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 15 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 44420 Reynolds Dr, Clinton Township, MI 48036
Based in New Haven, 21 mi away
54/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 8 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Mount Clemens, 25 mi away
54/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28151 Hiller St, Harrison Township, MI 48045
Top 50 of 65 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 Saint Clair
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 Saint Clair: questions
Which HVAC contractors in Saint Clair are open 24/7?
25 on this list post 24/7 hours, including Reliance Home Comfort, Vincent's Heating & Plumbing Inc, It's Your Heating And Cooling Guy, Dependable Heating Cooling & Refrigeration and Handy Bros. HVAC Sarnia (AC and Furnace Repair).
Who is ranked #1 for emergency heating and cooling in Saint Clair, MI?
Reliance Home Comfort is #1, with a CR Score of 65 out of 100 on emergency weights.
How are emergency HVAC contractors in Saint Clair 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 Saint Clair
- October 2026: CR Scores recalculated for 65 hvac contractors serving Saint Clair.