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Emergency HVAC Contractors in Woodstock, ON (2026)

Top 50 of 154 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

    #1 for emergency heating and cooling in Woodstock: Reliance London Heating, Air Conditioning & Plumbing, 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 Woodstock at a glance

Top emergency HVAC contractors in Woodstock at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Reliance London Heating, Air Conditioning & Plumbing634.8★ (12,217)London, 36 km away24/7
2Handy Bros. Home Comfort: Woodstock HVAC625.0★ (103)Woodstock24/7
3Priority Heating, Cooling & Plumbing604.9★ (593)Brant, 30 km away24/7
4Total Aire Care Inc.595.0★ (857)Kitchener, 39 km away24/7
5Enns Air - HVAC Services595.0★ (110)Huron East, 22 km away24/7
6Premier Gas Services595.0★ (53)Ingersoll, 15 km away24/7
7LG Home Comfort KWC584.9★ (674)Kitchener, 39 km away24/7
8B.R.'s Plumbing and Heating584.8★ (236)Norfolk County, 28 km away24/7
9Advance Heating & Cooling KW585.0★ (451)Kitchener, 39 km away24/7
10V. Tech HVAC Services Ltd584.9★ (203)Orangeville, 32 km away24/7

Call an emergency HVAC contractor in Woodstock 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 50 emergency HVAC contractors in Woodstock, 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 154 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.

  4. #4 Total Aire Care Inc.

    Based in Kitchener, 39 km away

    59/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 857 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 857 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    299 Manitou Dr A, Kitchener, ON N2C 1L5
    View profile for Total Aire Care Inc.(226) 894-1000

  7. #7 LG Home Comfort KWC

    Based in Kitchener, 39 km away

    58/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 674 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 674 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    20 Hanson Ave, Kitchener, ON N2C 2E2
    View profile for LG Home Comfort KWC(226) 289-1301

  11. #11 Air and Water Care

    Based in Kitchener, 35 km away

    58/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 203 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 203 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    169 Seabrook Dr, Kitchener, ON N2R 0E6
    View profile for Air and Water Care(226) 242-4328

  18. #18 Unique Air

    Based in Kitchener, 40 km away

    57/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 187 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 187 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    533 Queen St S, Kitchener, ON N2G 1W9
    View profile for Unique Air(519) 729-3939

Top 50 of 154 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.

HVAC contractors in Woodstock, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Oldridge Heating & Cooling564.9★ (34)30 km
27Parr Mechanical Plumbing & Heating Inc.564.8★ (38)31 km
28The Honest Heating Company - HVAC Contractor Kitchener & Waterloo554.8★ (61)36 km
29AJM Heating Air Conditioning & Gas Services Inc.554.8★ (36)33 km
30Enercare553.8★ (466)33 km
31RWH Mechanical555.0★ (5)18 km
32Local Heating And Cooling554.9★ (40)36 km
33Toasty's Heat and Cool555.0★ (19)31 km
34Superior Plumbing & Heating of Stratford554.5★ (31)32 km
35Superior Plumbing & Heating of Tillsonburg554.7★ (21)30 km
36Gasko Heating and Cooling Inc.554.7★ (29)35 km
37Superior Plumbing & Heating of Kitchener544.8★ (40)40 km
38All Climate Inc.544.8★ (23)37 km
39Budget Heating & Cooling544.9★ (14)34 km
40Verhoeve's Mechanical545.0★ (8)30 km
41A-1 Stop Shop Heating & Cooling544.5★ (22)37 km
42MKM MECHANICAL LIMITED535.0★ (14)37 km
43Pioneer Mechanical Inc.535.0★ (14)37 km
44Volt Multitrade535.0★ (9)34 km
45Ampair Mechanical Inc535.0★ (16)40 km
46Royal 1 HVAC Services535.0★ (5)30 km
47Steve Young Plumbing & Heating Ltd534.8★ (83)29 km
48Culliton Inc.533.9★ (7)31 km
49Fateh heating and cooling535.0★ (15)40 km
50Auscan Mechanical525.0★ (8)39 km

How we ranked emergency HVAC contractors in Woodstock

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 Woodstock: questions

Which HVAC contractors in Woodstock are open 24/7?

25 on this list post 24/7 hours, including Reliance London Heating, Air Conditioning & Plumbing, Handy Bros. Home Comfort: Woodstock HVAC, Priority Heating, Cooling & Plumbing, Total Aire Care Inc. and Enns Air - HVAC Services.

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

Reliance London Heating, Air Conditioning & Plumbing is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency HVAC contractors in Woodstock 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 Woodstock

  1. October 2026: CR Scores recalculated for 154 hvac contractors serving Woodstock.

More emergency and heating and cooling pages