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Emergency HVAC Contractors in Pickering, ON (2026)

Top 50 of 659 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 Pickering: Button's Heating & Air Conditioning, 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 Pickering at a glance

Top emergency HVAC contractors in Pickering at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Button's Heating & Air Conditioning654.9★ (1,570)Pickering24/7
2Advantage Airtech ClimateCare654.9★ (1,230)Pickering24/7
3Reliance Heating, Air Conditioning & Plumbing644.9★ (10,870)Richmond Hill, 21 km away24/7
4Enercare644.9★ (8,942)Oshawa, 22 km away24/7
5Reliance Heating, Air Conditioning & Plumbing634.8★ (6,966)Oshawa, 20 km away24/7
6Mersey Heating and Air Conditioning634.8★ (3,715)Scarborough, 16 km away24/7
7Reliance Heating, Air Conditioning & Plumbing634.7★ (9,158)North York, 21 km away24/7
8Go Lime634.8★ (6,512)North York, 21 km away24/7
9Limcan Certified Heating and Air Conditioning634.8★ (2,979)Ajax, 18 km away24/7
10Enercare634.8★ (2,085)Ajax, 15 km away24/7

Call an emergency HVAC contractor in Pickering 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 Pickering, 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 659 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 Enercare

    Based in Oshawa, 22 km away

    64/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 8,942 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 8,942 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    285 Bloor St W, Oshawa, ON L1J 1R1
    View profile for Enercare(905) 245-2903

  8. #8 Go Lime

    Based in North York, 21 km away

    63/100CR Score

    Ranked #8 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

  10. #10 Enercare

    Based in Ajax, 15 km away

    63/100CR Score

    Ranked #10 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

  11. #11 HVAC Ontario

    Based in Pickering

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 134 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for HVAC Ontario(888) 705-7368

  13. #13 Enercare

    Based in North York, 33 km away

    62/100CR Score

    Ranked #13 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

  15. #15 Enercare

    Based in Vaughan, 37 km away

    62/100CR Score

    Ranked #15 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

  16. #16 ICare Home Comfort

    Based in Markham, 18 km away

    62/100CR Score

    Ranked #16 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

  20. #20 Constant Home Comfort

    Based in Markham, 19 km away

    61/100CR Score

    Ranked #20 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

  24. #24 Smile HVAC

    Based in Vaughan, 31 km away

    60/100CR Score

    Ranked #24 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

Top 50 of 659 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 Pickering, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Urban Life Heating & Cooling INC.604.9★ (42)In Pickering
27Above & Beyond Mechanical605.0★ (97)9 km
28BreezeCome Home Service/Quality Breeze 清风到家 服务到家604.8★ (481)19 km
29Expert Heating & Air Conditioning604.8★ (90)6 km
30Aire One Heating & Cooling604.8★ (480)20 km
31Limcan Certified Heating and Air Conditioning604.8★ (708)23 km
32Econoair Heating & Cooling Inc604.9★ (435)21 km
33HVAC Trust604.9★ (465)22 km
34Constant Home Comfort604.6★ (301)13 km
35Aire One East | Whitby Furnace Repair, Heat Pump Installation & AC Services604.8★ (327)19 km
36Eco Star Home Services Co.604.7★ (490)19 km
37Enercare604.7★ (1,470)28 km
38LG Home Comfort604.6★ (2,421)30 km
39Enercare604.8★ (1,154)30 km
40For Saving Home Service | HVAC | AC | Furance Services604.8★ (256)18 km
41Lazzaro Gas HVAC605.0★ (140)16 km
42AccuServ Heating and Air Conditioning594.9★ (490)28 km
43Royal Air Solutions595.0★ (271)24 km
44Affordable Climate Solutions595.0★ (165)21 km
45Air Point Heating & Cooling595.0★ (431)29 km
46Ashton Heating & Cooling594.9★ (512)28 km
47Maple Air - Heating, Cooling & Electrical594.8★ (1,309)34 km
48Reliance Heating, Air Conditioning & Plumbing594.7★ (1,854)34 km
49Advantage Airtech Ltd.595.0★ (16)In Pickering
50Climate Experts Heating & Cooling Inc.594.9★ (441)28 km

How we ranked emergency HVAC contractors in Pickering

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 Pickering: questions

Which HVAC contractors in Pickering are open 24/7?

25 on this list post 24/7 hours, including Button's Heating & Air Conditioning, Advantage Airtech ClimateCare, Reliance Heating, Air Conditioning & Plumbing, Enercare and Reliance Heating, Air Conditioning & Plumbing.

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

Button's Heating & Air Conditioning is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Pickering 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 Pickering

  1. October 2026: CR Scores recalculated for 659 hvac contractors serving Pickering.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages