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Best HVAC Contractors in Petrolia, ON (2026)

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

The short answer

  1. 1

    Best overall in Petrolia: Reliance Home Comfort, CR Score 64/100; 4.8★ from 3,256 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): It's Your Heating And Cooling Guy, posts 24/7 hours; ranked #2 of 36.

  3. 3

    Most-reviewed: Vincent's Heating & Plumbing Inc, 997 Google reviews at 4.8★, the most of 36 ranked after Reliance Home Comfort; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

36 Petrolia HVAC contractors are ranked here by CR Score, from ten published factors. 12 are open 24/7, 15 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.8★ across 36 rated businesses.

Most of this list also appears on the HVAC contractors in Sarnia ranking. See HVAC contractors in Sarnia

Top 10 HVAC contractors in Petrolia at a glance

Top 10 HVAC contractors in Petrolia at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Reliance Home Comfort644.8★ (3,256)Sarnia, 20 km away24/7Overall
2It's Your Heating And Cooling Guy624.9★ (739)Port Huron, 26 km away24/7Emergencies
3Vincent's Heating & Plumbing Inc624.8★ (997)Port Huron, 27 km away24/7Most reviews
4Handy Bros. HVAC Sarnia (AC and Furnace Repair)614.9★ (312)Sarnia, 22 km away24/7—
5Bright's Grove Heating & Cooling (AC and Furnace Repair)615.0★ (166)Sarnia, 20 km away24/7—
6ASM - All Systems Mechanical614.8★ (37)Petrolia24/7—
7Dependable Heating Cooling & Refrigeration604.9★ (707)Sarnia, 34 km away24/7—
8Stewart Adams & Son Heating & Air Conditioning LLC605.0★ (200)Port Huron, 27 km away24/7—
9Superior Heating & Cooling Inc.604.9★ (191)Port Huron, 26 km away24/7—
10Archer's Equipment Repair Limited585.0★ (5)Petrolia24/7—

The 36 best HVAC contractors in Petrolia, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Petrolia

    #1 Reliance Home Comfort

    Based in Sarnia, 20 km away

    64/100CR Score

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

    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

  8. #8 Stewart Adams & Son Heating & Air Conditioning LLC

    Based in Port Huron, 27 km away

    60/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 200 Google reviews, listed on Google as “HVAC contractor”.

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

    • 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
    View profile for Stewart Adams & Son Heating & Air Conditioning LLC(810) 982-0706

  9. #9 Superior Heating & Cooling Inc.

    Based in Port Huron, 26 km away

    60/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 191 Google reviews, listed on Google as “HVAC contractor”.

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

    • 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
    View profile for Superior Heating & Cooling Inc.(586) 727-7753

  13. #13 A Village Fireplace Shop

    Based in Sarnia, 10 km away

    56/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.4★ from 160 Google reviews, listed on Google as “Furnace repair service”.

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

    • 4.4★ from 160 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–2 PM · Sun closed
    Address
    623 Broadway St, Wyoming, ON N0N 1T0
    View profile for A Village Fireplace Shop(519) 845-9915

  14. #14 MN Mechanical

    Based in Sarnia, 20 km away

    54/100CR Score

    Ranked #14 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

  16. #16 Jet Heating & Air

    Based in Port Huron, 36 km away

    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, 28 km away

    53/100CR 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 Bear Metal

    Based in Camlachie, 19 km away

    52/100CR Score

    Ranked #18 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

  19. #19 Devet's Delta Cooling

    Based in Lambton Shores, 36 km away

    52/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.2★ from 6 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.2★ from 6 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8176 Northville Rd, Thedford, ON N0M 2N0
    View profile for Devet's Delta Cooling(519) 296-2665

  20. #20 Marks Comfort Tech

    Based in Sarnia, 17 km away

    52/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.6★ from 20 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.6★ from 20 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1918 Confederation Line, Sarnia, ON N7W 1A5
    View profile for Marks Comfort Tech(519) 330-0765

  21. #21 Saucier Plumbing and Heating

    Based in Sarnia, 22 km away

    52/100CR Score

    Ranked #21 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

  22. #22 W J Barnes

    Based in Sarnia, 22 km away

    51/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.3★ from 55 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.3★ from 55 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    Sarnia, ON N7T 3N1
    View profile for W J Barnes(519) 332-1770

  23. #23 Abram

    Based in Sarnia, 20 km away

    51/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.2★ from 47 Google reviews, listed on Google as “Heating contractor”.

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

    • 4.2★ from 47 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    1606 London Line, Sarnia, ON N7W 1A8
    View profile for Abram(519) 542-3475

  24. #24 Yale Heating & Air Inc

    Based in Port Huron, 26 km away

    51/100CR Score

    Ranked #24 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

  25. #25 Sarnia Heating

    Based in Sarnia, 22 km away

    51/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.4★ from 28 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.4★ from 28 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    701 Ontario St, Sarnia, ON N7T 1M3
    View profile for Sarnia Heating(519) 542-3633

HVAC contractors ranked #29 to #29

#1 to #25 are shown in full above. Here are #29 to #29, in CR Score order; each links to its profile. We publish the top 29 of 36 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Petrolia, ranks 29 to 29
RankBusinessCR ScoreGoogle ratingDistance
29Mc Cormick Heating495.0★ (4)35 km

How much do HVAC contractors cost in Petrolia?

US national ranges converted to CAD, not adjusted for Petrolia. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Petrolia?
JobLowTypicalHighBasisChecked
AC replacementCA$5,460CA$8,400CA$11,350Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)October 2026
Furnace replacementCA$3,970CA$6,770CA$9,690Per system, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)October 2026

When to hire an HVAC contractor in Ontario

In Ontario, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.

How we ranked Petrolia HVAC contractors

We scored 36 Petrolia HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

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 fromIn Petrolia data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Petrolia: frequently asked questions

Who is the best HVAC contractor in Petrolia?

By CR Score, the highest-ranked HVAC contractor in Petrolia, ON is Reliance Home Comfort with a CR Score of 64/100. It has 4.8★ from 3,256 Google reviews. It is open 24/7. It's Your Heating And Cooling Guy (#2) and Vincent's Heating & Plumbing Inc (#3) follow. We ranked 36 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Petrolia?

ContractorsRanked ranks 36 HVAC contractors serving Petrolia, ON. 2 of them are based in Petrolia; the rest serve it from nearby towns. Counts are as of October 2026.

Which HVAC contractors in Petrolia are open 24/7?

12 ranked HVAC contractors in Petrolia post 24/7 hours. The highest-ranked are Reliance Home Comfort (#1), It's Your Heating And Cooling Guy (#2) and Vincent's Heating & Plumbing Inc (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Petrolia work on weekends?

15 of 36 ranked HVAC contractors post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are Reliance Home Comfort (#1), It's Your Heating And Cooling Guy (#2) and Vincent's Heating & Plumbing Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Petrolia?

AC replacement typically costs CA$5,460 to CA$11,350, with CA$8,400 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)). This is a national range, not adjusted for Petrolia. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Petrolia HVAC contractors have?

The median Google rating among 36 rated HVAC contractors in Petrolia is 4.8★, with a median of 31 reviews. Reliance Home Comfort has the most, 3,256 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Petrolia?

In Ontario, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.

How does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Petrolia

  1. October 2026: CR Scores recalculated for 36 hvac contractors serving Petrolia.

More HVAC contractors and Petrolia pages

Other trades in Petrolia