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Emergency HVAC Contractors in Willowdale, ON (2026)

Top 50 of 884 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 Willowdale: Reliance 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 Willowdale at a glance

Top emergency HVAC contractors in Willowdale at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Reliance Heating, Air Conditioning & Plumbing664.9★ (10,870)Richmond Hill, 9 km away24/7
2Enercare664.8★ (11,186)North York, 8 km away24/7
3Go Lime664.8★ (6,512)North York, 6 km away24/7
4Reliance Heating, Air Conditioning & Plumbing664.7★ (9,158)North York, 6 km away24/7
5Enercare654.9★ (9,609)Vaughan, 13 km away24/7
6Enercare644.8★ (1,154)North York, 4 km away24/7
7Mersey Heating and Air Conditioning644.8★ (3,715)Scarborough, 13 km away24/7
8Reliance Heating, Air Conditioning & Plumbing644.8★ (20,445)Mississauga, 26 km away24/7
9Enercare644.9★ (4,281)Etobicoke, 18 km away24/7
10Smile HVAC645.0★ (1,314)Vaughan, 10 km away24/7

Call an emergency HVAC contractor in Willowdale 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 Willowdale, 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 884 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.

  2. #2 Enercare

    Based in North York, 8 km away

    66/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 11,186 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 11,186 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    37 Dufflaw Rd, North York, ON M6A 2W2
    View profile for Enercare(416) 640-1206

  3. #3 Go Lime

    Based in North York, 6 km away

    66/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 6,512 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 6,512 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2225 Sheppard Ave E, North York, ON M2J 5C2
    View profile for Go Lime(877) 747-8292

  5. #5 Enercare

    Based in Vaughan, 13 km away

    65/100CR Score

    Ranked #5 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

  6. #6 Enercare

    Based in North York, 4 km away

    64/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.8★ from 1,154 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,154 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Enercare(647) 288-1634

  9. #9 Enercare

    Based in Etobicoke, 18 km away

    64/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 4,281 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 4,281 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    123 Judge Rd, Etobicoke, ON M8Z 3L2
    View profile for Enercare(416) 849-6579

  10. #10 Smile HVAC

    Based in Vaughan, 10 km away

    64/100CR 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

  11. #11 Enercare

    Based in North York, 6 km away

    63/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.7★ from 1,470 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,470 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Enercare(647) 475-3687

  12. #12 LG Home Comfort

    Based in Vaughan, 9 km away

    63/100CR Score

    Ranked #12 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

  14. #14 ICare Home Comfort

    Based in Markham, 9 km away

    63/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 836 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 836 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1001 Denison St Unit 1-2, Markham, ON L3R 2Z6
    View profile for ICare Home Comfort(905) 399-9888

  18. #18 Empower Home Comfort

    Based in Toronto, 5 km away

    63/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.8★ from 546 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 546 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3080 Yonge St suite #6060, Toronto, ON M5M 1A2
    View profile for Empower Home Comfort(647) 696-7487

  19. #19 Royal Air Solutions

    Based in Markham, 4 km away

    63/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 271 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 271 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    168 Steeles Ave E, Markham, ON L3T 1A5
    View profile for Royal Air Solutions(416) 827-1916

  20. #20 Enercare

    Based in Brampton, 28 km away

    62/100CR Score

    Ranked #20 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

  22. #22 Enercare

    Based in Ajax, 18 km away

    62/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 2,085 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,085 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Enercare(289) 372-1037

  24. #24 Constant Home Comfort

    Based in Markham, 8 km away

    62/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.8★ from 583 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 583 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    201 Don Park Rd Unit 2, Markham, ON L3R 1C2
    View profile for Constant Home Comfort(888) 829-1875

Top 50 of 884 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 Willowdale, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26HVAC Trust624.9★ (465)8 km
27BreezeCome Home Service/Quality Breeze 清风到家 服务到家624.8★ (481)7 km
28Aire One Heating & Cooling624.8★ (480)8 km
29AccuServ Heating and Air Conditioning624.9★ (490)11 km
30Belyea Bros. Heating & Cooling624.6★ (662)6 km
31Econoair Heating & Cooling Inc624.9★ (435)9 km
32The HOUSE DEPOT CORP.624.7★ (293)2 km
33Hargrave Heating & Air Conditioning624.9★ (366)8 km
34Service Express HVAC624.9★ (384)9 km
35Enercare624.9★ (7,135)33 km
36Martino HVAC624.7★ (631)9 km
37Superior Care Home Services Inc.625.0★ (266)9 km
38Eco Star Home Services Co.624.7★ (490)8 km
39Hyper Heating & Cooling625.0★ (135)3 km
40Peel Heating & Air Conditioning624.8★ (3,190)25 km
41Dr HVAC and Plumbing (Toronto)614.9★ (287)9 km
42City Home Comfort614.7★ (697)13 km
43PRO CLIMATE614.9★ (242)8 km
445 Stars hvac services615.0★ (391)16 km
45Affordable Climate Solutions615.0★ (165)9 km
46AIRLAND HVAC INC.615.0★ (59)In Willowdale
47DeMark Home Ontario614.9★ (255)12 km
48Expert GTA Electric615.0★ (180)10 km
49For Saving Home Service | HVAC | AC | Furance Services614.8★ (256)9 km
50Solidcare Home Improvements614.8★ (207)8 km

How we ranked emergency HVAC contractors in Willowdale

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 Willowdale: questions

Which HVAC contractors in Willowdale are open 24/7?

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

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

Reliance Heating, Air Conditioning & Plumbing is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Willowdale 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 Willowdale

  1. October 2026: CR Scores recalculated for 884 hvac contractors serving Willowdale.
  2. October 2026: 4 duplicate listings merged.

More emergency and heating and cooling pages