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Emergency HVAC Contractors in Lambton Shores, ON (2026)

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

9 of the 29 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 Lambton Shores: AJM Heating Air Conditioning & Gas Services Inc., 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 Lambton Shores at a glance

Top emergency HVAC contractors in Lambton Shores at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1AJM Heating Air Conditioning & Gas Services Inc.644.8★ (36)Lambton Shores24/7
2Bright's Grove Heating & Cooling (AC and Furnace Repair)635.0★ (166)Sarnia, 30 km away24/7
3Budget Heating & Cooling624.9★ (14)Lambton Shores24/7
4MDR Hvac , London Heating and Air Conditioning Services605.0★ (7)Lambton Shores24/7
5Devet's Delta Cooling594.2★ (6)Lambton Shores24/7
6ASM - All Systems Mechanical584.8★ (37)Petrolia, 36 km away24/7
7London Home Climate575.0★ (16)London, 31 km away24/7
8Archer's Equipment Repair Limited545.0★ (5)Petrolia, 37 km away24/7
9Best Cooling Systems525.0★ (4)Huron East, 20 km away24/7
10Bear Metal465.0★ (6)Camlachie, 24 km away—

Call an emergency HVAC contractor in Lambton Shores 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 29 emergency HVAC contractors in Lambton Shores, ranked

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

  5. #5 Devet's Delta Cooling

    Based in Lambton Shores

    59/100CR Score

    Ranked #5 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

  6. #6 ASM - All Systems Mechanical

    Based in Petrolia, 36 km away

    58/100CR Score

    Ranked #6 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

  7. #7 London Home Climate

    Based in London, 31 km away

    57/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 16 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for London Home Climate(519) 476-4165

  9. #9 Best Cooling Systems

    Based in Huron East, 20 km away

    52/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “General contractor”.

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

    • 5.0★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    345 Ontario St S, Grand Bend, ON N0M 1T0
    View profile for Best Cooling Systems(519) 238-6196

  10. #10 Bear Metal

    Based in Camlachie, 24 km away

    46/100CR Score

    Ranked #10 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

  11. #11 Mid-Lam Heating And Cooling

    Based in Lambton Shores

    44/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Heating contractor”.

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

    • 4.8★ from 21 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    8482 Townsend Line, Arkona, ON N0M 1B0
    View profile for Mid-Lam Heating And Cooling(519) 828-3874

  12. #12 Jayden's Mechanical

    Based in Bluewater, 39 km away

    43/100CR Score

    Ranked #12 because of its Google rating and review volume: 4.8★ from 253 Google reviews.

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

    • 4.8★ from 253 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    39354-A Dashwood Rd, Hay, ON N0M 1W0
    View profile for Jayden's Mechanical(519) 237-4328

  13. #13 Mythic Heating & Cooling

    Based in Lambton Shores

    43/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    Kettle and Stony Point First Nation, 9624 Lake Rd No. 44, Kettle and Stony Point First Nation, No. 44, ON N0N 1J1
    View profile for Mythic Heating & Cooling(519) 491-2619

  14. #14 A Village Fireplace Shop

    Based in Sarnia, 28 km away

    43/100CR Score

    Ranked #14 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

  16. #16 Protect HVAC

    Based in Lambton Shores

    42/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 8 Google reviews
    Hours
    Mon–Sun 7 AM–8 PM
    View profile for Protect HVAC(519) 701-5525

  17. #17 King Plumbing & Heating

    Based in Huron East, 26 km away

    42/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 8 Google reviews, listed on Google as “Plumber”.

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

    • 4.9★ from 8 Google reviews
    Address
    70717 Shipka Line, Dashwood, ON N0M 1N0
    View profile for King Plumbing & Heating(519) 237-3240

  18. #18 Brian Johnson & Sons Plumbing & Heating Ltd.

    Based in Bluewater, 21 km away

    40/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.5★ from 25 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.5★ from 25 Google reviews
    Hours
    Mon 9 AM–5 PM · Tue 9:30 AM–3 PM · Wed–Thu 9 AM–5 PM · Fri 9:30 AM–3 PM · Sat–Sun closed
    Address
    98 Ontario St S, Grand Bend, ON N0M 1T0
    View profile for Brian Johnson & Sons Plumbing & Heating Ltd.(519) 238-6570

  19. #19 Great Lakes Mechanical

    Based in Bluewater, 40 km away

    40/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 70 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 70 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    74329 Driftwood Dr, Bayfield, ON N0M 1G0
    View profile for Great Lakes Mechanical(519) 525-6080

  20. #20 Fry's HVAC Services

    Based in Huron East, 25 km away

    39/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.6★ from 19 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    27451 Nairn Rd, Parkhill, ON N0M 2K0
    View profile for Fry's HVAC Services(519) 521-0129

  21. #21 Abram

    Based in Sarnia, 38 km away

    38/100CR Score

    Ranked #21 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

  22. #22 Bob Case Plumbing Electric Heating & Air Conditioning

    Based in Bluewater, 24 km away

    38/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 8 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    71054 Bluewater Hwy, Grand Bend, ON N0M 1T0
    View profile for Bob Case Plumbing Electric Heating & Air Conditioning(519) 238-8193

  23. #23 Geo-Teck Heating & Cooling Ltd

    Based in Huron East, 33 km away

    38/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 16 Google reviews
    Hours
    Mon–Fri 9 AM–4:30 PM · Sat–Sun closed
    Address
    33979 Bissonette Ave, Zurich, ON N0M 2T0
    View profile for Geo-Teck Heating & Cooling Ltd(519) 236-4770

  24. #24 Gregory Brian Heating Cooling & Air Quality Inc

    Based in Huron East, 33 km away

    37/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 12 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.9★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun 9 AM–6 PM
    Address
    1402 Rabbitwood Ct, Ailsa Craig, ON N0M 1A0
    View profile for Gregory Brian Heating Cooling & Air Quality Inc(519) 293-1056

All 29 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile.

HVAC contractors in Lambton Shores, ranks 26 to 29
RankBusinessCR ScoreGoogle ratingDistance
26Marks Comfort Tech374.6★ (20)39 km
27Neo-scenic Designs365.0★ (11)In Lambton Shores
28Ace Appliance Heating & Cooling Inc354.2★ (5)38 km
29Bluewater Plumbing & Heating335.0★ (12)34 km

How we ranked emergency HVAC contractors in Lambton Shores

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 Lambton Shores: questions

Which HVAC contractors in Lambton Shores are open 24/7?

9 on this list post 24/7 hours, including AJM Heating Air Conditioning & Gas Services Inc., Bright's Grove Heating & Cooling (AC and Furnace Repair), Budget Heating & Cooling, MDR Hvac , London Heating and Air Conditioning Services and Devet's Delta Cooling.

Who is ranked #1 for emergency heating and cooling in Lambton Shores, ON?

AJM Heating Air Conditioning & Gas Services Inc. is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Lambton Shores 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 Lambton Shores

  1. October 2026: CR Scores recalculated for 29 hvac contractors serving Lambton Shores.

More emergency and heating and cooling pages