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Emergency HVAC Contractors in Port Huron, MI (2026)

41 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank

15 of the 41 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

    #1 for emergency heating and cooling in Port Huron: 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 Port Huron at a glance

Top emergency HVAC contractors in Port Huron at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Reliance Home Comfort674.8★ (3,256)Sarnia, 4 mi away24/7
2Vincent's Heating & Plumbing Inc664.8★ (997)Port Huron24/7
3It's Your Heating And Cooling Guy664.9★ (739)Port Huron24/7
4Dependable Heating Cooling & Refrigeration654.9★ (707)Sarnia, 6 mi away24/7
5Stewart Adams & Son Heating & Air Conditioning LLC645.0★ (200)Port Huron24/7
6Handy Bros. HVAC Sarnia (AC and Furnace Repair)644.9★ (312)Sarnia, 2 mi away24/7
7Superior Heating & Cooling Inc.644.9★ (191)Port Huron24/7
8Bright's Grove Heating & Cooling (AC and Furnace Repair)625.0★ (166)Sarnia, 10 mi away24/7
9Superior Plumbing & Heating of Sarnia605.0★ (20)Sarnia, 1 mi away24/7
10ASM - All Systems Mechanical574.8★ (37)Petrolia, 15 mi away24/7

Call an emergency HVAC contractor in Port Huron 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.

The 41 emergency HVAC contractors in Port Huron, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights.

  1. Ranked #1 in Port Huron

    #1 Reliance Home Comfort

    Based in Sarnia, 4 mi away

    67/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.8★ from 3,256 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 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
    View profile for Reliance Home Comfort(866) 780-3710

  10. #10 ASM - All Systems Mechanical

    Based in Petrolia, 15 mi away

    57/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 37 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 37 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    414 Albany St, Petrolia, ON N0N 1R0
    View profile for ASM - All Systems Mechanical(519) 381-4328

  15. #15 Richmond Heating and Cooling

    Based in Richmond, 21 mi away

    53/100CR Score

    Ranked #15 because of its Google rating and trade focus: 3.5★ from 4 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.5★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    67731 Joe Wood Dr, Richmond, MI 48062
    View profile for Richmond Heating and Cooling(586) 623-7638

  16. #16 Jet Heating & Air

    Based in Port Huron

    53/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.8★ from 71 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.8★ from 71 Google reviews
    Address
    5649 State Rd, Fort Gratiot Township, MI 48059
    View profile for Jet Heating & Air(810) 385-4700

  17. #17 Dale’s Mechanical

    Based in Marysville, 8 mi away

    49/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Heating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 20 Google reviews
    Address
    1441 S Range Rd, St Clair, MI 48079
    View profile for Dale’s Mechanical(810) 326-4328

  18. #18 Mc Cormick Heating

    Based in Port Huron

    48/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 4 Google reviews
    Address
    3120 Maplewood Dr, Fort Gratiot Township, MI 48059
    View profile for Mc Cormick Heating(810) 385-3997

  19. #19 Bear Metal

    Based in Camlachie, 14 mi away

    45/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 6 Google reviews
    Address
    6729 O'Banwell St, Camlachie, ON N0N 1E0
    View profile for Bear Metal(519) 899-2651

  21. #21 MN Mechanical

    Based in Sarnia, 4 mi away

    43/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 76 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    1323 Lougar Ave, Sarnia, ON N7S 5N7
    View profile for MN Mechanical(519) 383-9922

  23. #23 Royal heating and cooling

    Based in Richmond, 20 mi away

    42/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 4 Google reviews
    Address
    68834 Main St STE 2, Richmond, MI 48062
    View profile for Royal heating and cooling(586) 489-5438

  24. #24 Saucier Plumbing and Heating

    Based in Sarnia, 2 mi away

    42/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.5★ from 48 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 48 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    791 Ontario St, Sarnia, ON N7T 1M9
    View profile for Saucier Plumbing and Heating(519) 337-6568

  25. #25 Yale Heating & Air Inc

    Based in Port Huron

    42/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 21 Google reviews
    Hours
    Mon–Fri 9 AM–6:30 PM · Sat–Sun closed
    Address
    2544 Conner St, Port Huron, MI 48060
    View profile for Yale Heating & Air Inc(810) 212-2620

All 41 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #41, in CR Score order; each links to its profile.

HVAC contractors in Port Huron, ranks 26 to 41
RankBusinessCR ScoreGoogle ratingDistance
26W J Barnes424.3★ (55)2 mi
27Sarnia Heating414.4★ (28)2 mi
28Abram414.2★ (47)5 mi
29Mark's Plumbing & Heating405.0★ (3)11 mi
30Marks Comfort Tech404.6★ (20)6 mi
31A Village Fireplace Shop404.4★ (160)16 mi
32S B Heating & Air Conditioning Inc393.3★ (33)4 mi
33Tony's Heating and Cooling394.8★ (188)23 mi
34MHT Air Conditioning & Heating, LLC394.3★ (3)In Port Huron
35Ace Appliance Heating & Cooling Inc384.2★ (5)5 mi
36Northern Air Heating & Cooling374.6★ (37)21 mi
37Kelley & Sons Heating & Cooling374.9★ (34)24 mi
38St. Clair Plumbing & Heating363.5★ (4)12 mi
39Watson Bros. Company344.4★ (7)In Port Huron
40Blue Water Plumbing & Heating335.0★ (3)9 mi
41Therma Construction - Heating & Cooling - HVAC Services in Arkona305.0★ (6)25 mi

How we ranked emergency HVAC contractors in Port Huron

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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Port Huron: questions

Which HVAC contractors in Port Huron are open 24/7?

15 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 Stewart Adams & Son Heating & Air Conditioning LLC.

Who is ranked #1 for emergency heating and cooling in Port Huron, MI?

Reliance Home Comfort is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency HVAC contractors in Port Huron 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 Port Huron

  1. October 2026: CR Scores recalculated for 41 hvac contractors serving Port Huron.

More emergency and heating and cooling pages