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Emergency HVAC Contractors in Tottenham, ON (2026)

Top 50 of 443 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 Tottenham: Enercare, 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 Tottenham at a glance

Top emergency HVAC contractors in Tottenham at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Enercare634.9★ (9,609)Vaughan, 33 km away24/7
2Reliance Heating, Air Conditioning & Plumbing624.9★ (10,870)Richmond Hill, 39 km away24/7
3Enercare624.9★ (7,135)Brampton, 36 km away24/7
4Enercare624.9★ (6,242)Brampton, 38 km away24/7
5Reliance Yanch Heating, Air Conditioning & Plumbing624.8★ (5,937)Barrie, 36 km away24/7
6Summers and Smith Cooling & Heating Limited614.9★ (1,559)Aurora, 28 km away24/7
7Affordable Comfort614.9★ (2,540)Barrie, 35 km away24/7
8APK HVAC PRO Heating and Air Conditioning615.0★ (42)Tottenham24/7
9Don's Heating and Cooling Ltd.614.8★ (1,048)Orangeville, 25 km away24/7
10Smile HVAC615.0★ (1,314)Vaughan, 33 km away24/7

Call an emergency HVAC contractor in Tottenham 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 Tottenham, 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 443 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.

  1. Ranked #1 in Tottenham

    #1 Enercare

    Based in Vaughan, 33 km away

    63/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 9,609 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 9,609 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    261 Trowers Rd, Vaughan, ON L4L 5Z8
    View profile for Enercare(905) 266-0219

  3. #3 Enercare

    Based in Brampton, 36 km away

    62/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 7,135 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 7,135 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5 Lowry Dr, Brampton, ON L7A 1A3
    View profile for Enercare(905) 488-2186

  4. #4 Enercare

    Based in Brampton, 38 km away

    62/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 6,242 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 6,242 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    278 Rutherford Rd S, Brampton, ON L6W 3K7
    View profile for Enercare(905) 488-2187

  7. #7 Affordable Comfort

    Based in Barrie, 35 km away

    61/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 2,540 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 2,540 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    92 Commerce Park Dr Unit 8, Barrie, ON L4N 8W8
    View profile for Affordable Comfort(705) 503-4328

  10. #10 Smile HVAC

    Based in Vaughan, 33 km away

    61/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 1,314 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 1,314 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8540 Keele St Unit 41, Vaughan, ON L4K 2A6
    View profile for Smile HVAC(437) 777-4555

  13. #13 Black Forest

    Based in East Gwillimbury, 26 km away

    60/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.8★ from 532 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 532 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16 Mt Albert Rd, East Gwillimbury, ON L9N 1K4
    View profile for Black Forest(905) 252-9994

  14. #14 LG Home Comfort

    Based in Vaughan, 35 km away

    60/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.6★ from 2,421 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 2,421 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    301 Bradwick Dr, Vaughan, ON L4K 1K5
    View profile for LG Home Comfort(866) 438-5442

  16. #16 Enercare

    Based in Barrie, 36 km away

    60/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.7★ from 2,051 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 2,051 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    680 Huronia Rd, Barrie, ON L4N 6C6
    View profile for Enercare(705) 408-1098

  18. #18 Dr HVAC

    Based in Brampton, 38 km away

    59/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.7★ from 1,957 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,957 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    215 Advance Blvd #1, Brampton, ON L6T 4V9
    View profile for Dr HVAC(905) 927-5581

  25. #25 Martino HVAC

    Based in Vaughan, 34 km away

    59/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.7★ from 631 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 631 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    150 Connie Crescent #16, Vaughan, ON L4K 1L9
    View profile for Martino HVAC(800) 465-5700

Top 50 of 443 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 Tottenham, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Revamped Heating & Cooling Ltd594.8★ (206)27 km
27Arseneau Home Comfort585.0★ (149)28 km
28Home Trade Standards - Condo HVAC Specialists585.0★ (464)40 km
29A Plus Air Systems584.7★ (460)34 km
30Air Source Home Comfort584.9★ (554)40 km
31Econoair Heating & Cooling Inc584.9★ (435)38 km
32HVAC Trust584.9★ (465)38 km
33North Star HVAC584.9★ (270)34 km
34Infiniti Air Conditioning & Heating584.9★ (181)31 km
35DeMark Home Ontario584.9★ (255)35 km
36Nexklima Inc.585.0★ (144)32 km
37PRO CLIMATE584.9★ (242)35 km
38Comfort Nest585.0★ (16)12 km
39City's Choice Comfort Air584.8★ (229)33 km
40ClimateCo Mechanical585.0★ (24)16 km
41ONAS Heating & Cooling Corp. O/A Ontario Air Services585.0★ (143)33 km
42Heat and Cool Brothers Inc.585.0★ (162)34 km
43Simcoe Muskoka Home Comfort584.9★ (244)36 km
44Central Heating584.8★ (306)36 km
45OM Heating & Cooling - HVAC Contractor for Furnace Repair, AC Repair in Brampton, Caledon, Mississauga, Etobicoke & GTA584.8★ (136)30 km
46HVAC Mechanical Systems584.8★ (73)25 km
47A Plus Heating & Air Conditioning574.9★ (212)36 km
48A Plus Quality Inc574.8★ (178)33 km
49Northwest Gas Ltd575.0★ (187)38 km
50Husky Heating and Air Conditioning574.6★ (321)35 km

How we ranked emergency HVAC contractors in Tottenham

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 Tottenham: questions

Which HVAC contractors in Tottenham are open 24/7?

25 on this list post 24/7 hours, including Enercare, Reliance Heating, Air Conditioning & Plumbing, Enercare, Enercare and Reliance Yanch Heating, Air Conditioning & Plumbing.

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

Enercare is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency HVAC contractors in Tottenham 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 Tottenham

  1. October 2026: CR Scores recalculated for 443 hvac contractors serving Tottenham.

More emergency and heating and cooling pages