847 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Scarborough: Mersey Heating and Air Conditioning, CR Score 65/100; 4.8★ from 3,715 Google reviews; open 24/7.
Best for emergencies (open 24/7): Reliance Heating, Air Conditioning & Plumbing, posts 24/7 hours; ranked #2 of 847.
Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 20,445 Google reviews at 4.8★, the most of 847 ranked; ranked #22.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
847 Scarborough HVAC contractors are ranked here by CR Score, from ten published factors. 351 are open 24/7, 643 open Saturdays and 527 open Sundays, based on posted hours. The median Google rating is 4.9★ across 847 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mersey Heating and Air Conditioning | 65 | 4.8★ (3,715) | Scarborough | 24/7 | Overall |
| 2 | Reliance Heating, Air Conditioning & Plumbing | 65 | 4.9★ (10,870) | Richmond Hill, 13 km away | 24/7 | Emergencies |
| 3 | Go Lime | 65 | 4.8★ (6,512) | North York, 6 km away | 24/7 | — |
| 4 | Reliance Heating, Air Conditioning & Plumbing | 65 | 4.7★ (9,158) | North York, 6 km away | 24/7 | — |
| 5 | Enercare | 64 | 4.8★ (11,186) | North York, 18 km away | 24/7 | — |
| 6 | Enercare | 64 | 4.8★ (2,085) | Ajax, 6 km away | 24/7 | — |
| 7 | Enercare | 63 | 4.9★ (9,609) | Vaughan, 24 km away | 24/7 | — |
| 8 | BreezeCome Home Service/Quality Breeze 清风到家 服务到家 | 63 | 4.8★ (481) | Scarborough | 24/7 | — |
| 9 | ICare Home Comfort | 63 | 4.9★ (836) | Markham, 8 km away | 24/7 | — |
| 10 | High Efficiency Cooling & Heating Inc. | 62 | 4.8★ (1,319) | Markham, 9 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 3,715 Google reviews, listed on Google as “HVAC contractor”.
Based in Richmond Hill, 13 km away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 10,870 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 6 km away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 6,512 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 6 km away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 9,158 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 18 km away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 11,186 Google reviews, listed on Google as “HVAC contractor”.
Based in Ajax, 6 km away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 2,085 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 24 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 9,609 Google reviews, listed on Google as “HVAC contractor”.
Based in Scarborough
Ranked #8 because of its Google rating and trade focus: 4.8★ from 481 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 8 km away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 836 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 9 km away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,319 Google reviews, listed on Google as “HVAC contractor”.
Based in Scarborough
Ranked #11 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 8 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 529 Google reviews, listed on Google as “HVAC contractor”.
Based in Pickering, 17 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,570 Google reviews, listed on Google as “HVAC contractor”.
Based in Etobicoke, 27 km away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 4,281 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 21 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 1,314 Google reviews, listed on Google as “HVAC contractor”.
Based in East York, 10 km away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 490 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Pickering, 17 km away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,230 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 11 km away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 1,470 Google reviews, listed on Google as “HVAC contractor”.
Based in Oshawa, 33 km away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 8,942 Google reviews, listed on Google as “HVAC contractor”.
Based in Scarborough
Ranked #20 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 8 km away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 366 Google reviews, listed on Google as “HVAC contractor”.
Based in Mississauga, 37 km away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 20,445 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 9 km away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 384 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 9 km away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 583 Google reviews, listed on Google as “HVAC contractor”.
Based in Toronto, 18 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 694 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 847 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Aas | 4.0★ (2) | 12 km |
| Active Air Comfort Inc | 3.0★ (2) | 11 km |
| Airzone Heating & Cooling, HVAC contractor | 5.0★ (2) | 7 km |
| alkebulan hvac services inc | 5.0★ (2) | 11 km |
| BR-HVAC | 5.0★ (2) | In Scarborough |
| Bridlewood Air | In Scarborough | |
| Cambridge Heating Cooling | 4.8★ (75) | In Scarborough |
| Everest Drain & Plumbing: Scarborough's Local Plumber | In Scarborough | |
| Limcan Certified Heating and Air Conditioning | 4.8★ (2,979) | 29 km |
| N And D Plumbing & Heating | 3.0★ (2) | 12 km |
| Next Day Air | In Scarborough | |
| NT HOME SERVICE INC | 5.0★ (1) | In Scarborough |
| Revive Home Services | 5.0★ (2) | 11 km |
| Right energy heating and cooling | 5.0★ (1) | In Scarborough |
| Scarborough heating and air conditioning ltd | In Scarborough | |
| Svmk Hvac Services | 5.0★ (2) | In Scarborough |
| Unitech Home Comfort | 5.0★ (2) | 13 km |
| Visionair HVAC & Plumbing | In Scarborough | |
| Whole Home Savings | 2.5★ (2) | In Scarborough |
| Worthing Heating And Cooling Inc | 5.0★ (2) | 9 km |
US national ranges converted to CAD, not adjusted for Scarborough. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | CA$5,460 | CA$8,400 | CA$11,350 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
| Furnace replacement | CA$3,970 | CA$6,770 | CA$9,690 | Per system, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
In Ontario, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 847 Scarborough HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Scarborough data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |