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Emergency HVAC Contractors in Leamington, ON (2026)

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

18 of the 49 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 Leamington: Handy Bros. HVAC Leamington (AC and Furnace Repair), 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 Leamington at a glance

Top emergency HVAC contractors in Leamington at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Handy Bros. HVAC Leamington (AC and Furnace Repair)634.9★ (240)Essex, 1 km away24/7
2Reliance Heating, Air Conditioning & Plumbing624.8★ (8,756)Windsor, 37 km away24/7
3Absolute Comfort Control Services604.9★ (1,469)Windsor, 40 km away24/7
4Syles Mechanical Services594.8★ (704)Essex, 35 km away24/7
5PSR Combustion595.0★ (9)Leamington24/7
6Dave Heating Cooling594.9★ (192)Essex, 29 km away24/7
7Goyea Mechanical services Inc575.0★ (5)Essex, 9 km away24/7
8Superior Plumbing & Heating of Essex564.6★ (27)Essex, 23 km away24/7
9Lisinski's Mechanical Services554.1★ (23)Essex, 28 km away24/7
10On Demand Heating & Cooling inc544.8★ (32)Amherstburg, 39 km away24/7

Call an emergency HVAC contractor in Leamington 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 49 emergency HVAC contractors in Leamington, 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 Leamington

    #1 Handy Bros. HVAC Leamington (AC and Furnace Repair)

    Based in Essex, 1 km away

    63/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 240 Google reviews, listed on Google as “HVAC contractor”.

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

    • 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
    View profile for Handy Bros. HVAC Leamington (AC and Furnace Repair)(226) 210-4320

  4. #4 Syles Mechanical Services

    Based in Essex, 35 km away

    59/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 704 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 704 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3255 Odessa Dr, Tecumseh, ON N8N 0H8
    View profile for Syles Mechanical Services(519) 979-2090

  5. #5 PSR Combustion

    Based in Leamington

    59/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 9 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for PSR Combustion(519) 329-2577

  6. #6 Dave Heating Cooling

    Based in Essex, 29 km away

    59/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 192 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 192 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1365 Crosswinds Dr, Belle River, ON N8L 0T3
    View profile for Dave Heating Cooling(519) 567-6060

  11. #11 NEU-TEMP HVAC SERVICES INC.

    Based in Essex, 27 km away

    54/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 6 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    35 Canal St E, Tilbury, ON N0P 2L0
    View profile for NEU-TEMP HVAC SERVICES INC.(519) 350-0751

  13. #13 R K Heating & Cooling

    Based in Windsor, 37 km away

    54/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.4★ from 21 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.4★ from 21 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11117 Timber Bay Crescent, Windsor, ON N8R 2L4
    View profile for R K Heating & Cooling(519) 890-2223

  14. #14 Cardinal Services Group

    Based in Windsor, 37 km away

    53/100CR Score

    Ranked #14 because of its Google rating and trade focus: 3.8★ from 20 Google reviews, listed on Google as “HVAC contractor”.

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

    • 3.8★ from 20 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3625 Munich Ct, Windsor, ON N8N 0E7
    View profile for Cardinal Services Group(519) 735-6666

  15. #15 KZ Plumbing And Heating

    Based in Windsor, 38 km away

    53/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.1★ from 14 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.1★ from 14 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2567 Gatwick Ave, Windsor, ON N8P 1Y7
    View profile for KZ Plumbing And Heating(519) 564-9109

  18. #18 Supreme Plumbing & Heating Inc.

    Based in Essex, 36 km away

    49/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Plumber”.

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

    • 5.0★ from 5 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5555 Walker Rd, Oldcastle, ON N0R 1L0
    View profile for Supreme Plumbing & Heating Inc.

  20. #20 DH&C Mechanical

    Based in Leamington

    43/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 62 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1 Iroquois Rd, Leamington, ON N8H 3V7
    View profile for DH&C Mechanical(519) 326-6054

  21. #21 Gualtieri Mechanical Inc

    Based in Leamington

    41/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.6★ from 25 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.6★ from 25 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    12 Seacliff Dr E, Leamington, ON N8H 2L2
    View profile for Gualtieri Mechanical Inc(519) 326-9018

  23. #23 Warkentin Plumbing Heating & Air Conditioning

    Based in Essex, 11 km away

    40/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.5★ from 63 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.5★ from 63 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri 8 AM–4 PM · Sat–Sun closed
    Address
    54 Mill St E, Kingsville, ON N9Y 1K7
    View profile for Warkentin Plumbing Heating & Air Conditioning(519) 733-5832

All 49 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #49, in CR Score order; each links to its profile.

HVAC contractors in Leamington, ranks 26 to 49
RankBusinessCR ScoreGoogle ratingDistance
26Hot & Cold Heating & Cooling395.0★ (5)In Leamington
27Murdoch Heating & Cooling394.7★ (31)17 km
28County Cooling and Heating384.9★ (18)17 km
293DM Solutions384.6★ (79)27 km
30Ferriss HVAC Systems384.6★ (10)16 km
31Wood Mechanical Heating and Cooling374.1★ (12)16 km
32Mastro's Heating and Cooling Inc.374.4★ (36)26 km
33Encore Mechanical & Building Services Inc.374.6★ (95)36 km
34ALPHA Home Comfort375.0★ (31)32 km
35DWD HVAC and More375.0★ (64)38 km
36Flow Tech Heating & Cooling Inc.375.0★ (12)24 km
37FD Heating & Cooling374.7★ (23)28 km
38Mailloux Mechanical Ltd.364.9★ (44)37 km
39Tyger Mechanical Solutions364.9★ (28)33 km
40Superior Plumbing & Home comfort354.8★ (98)26 km
41Weir Brothers Heating-Cooling354.4★ (33)37 km
42Martin's Sheet Metal354.9★ (27)40 km
43Summit Heating & Cooling Solutions355.0★ (4)27 km
44SMC Plumbing Inc354.5★ (11)34 km
45Urban Heating & Cooling343.8★ (28)37 km
46Eagle Heating & Cooling343.4★ (32)35 km
47Phoenix Services Solutions333.4★ (5)39 km
48Pro Trades Mechanical Inc.324.7★ (215)36 km
49Sealed293.1★ (43)24 km

How we ranked emergency HVAC contractors in Leamington

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 Leamington: questions

Which HVAC contractors in Leamington are open 24/7?

18 on this list post 24/7 hours, including Handy Bros. HVAC Leamington (AC and Furnace Repair), Reliance Heating, Air Conditioning & Plumbing, Absolute Comfort Control Services, Syles Mechanical Services and PSR Combustion.

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

Handy Bros. HVAC Leamington (AC and Furnace Repair) is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency HVAC contractors in Leamington 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?

24 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Leamington

  1. October 2026: CR Scores recalculated for 49 hvac contractors serving Leamington.

More emergency and heating and cooling pages