443 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Tottenham: Enercare, CR Score 63/100; 4.9★ from 9,609 Google reviews; open 24/7.
Best for emergencies (open 24/7): Reliance Heating, Air Conditioning & Plumbing, posts 24/7 hours; ranked #2 of 443.
Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 10,870 Google reviews at 4.9★, the most of 443 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
443 Tottenham HVAC contractors are ranked here by CR Score, from ten published factors. 176 are open 24/7, 318 open Saturdays and 255 open Sundays, based on posted hours. The median Google rating is 4.9★ across 443 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Enercare | 63 | 4.9★ (9,609) | Vaughan, 33 km away | 24/7 | Overall |
| 2 | Reliance Heating, Air Conditioning & Plumbing | 62 | 4.9★ (10,870) | Richmond Hill, 39 km away | 24/7 | Emergencies, Most reviews |
| 3 | Enercare | 62 | 4.9★ (7,135) | Brampton, 36 km away | 24/7 | — |
| 4 | Enercare | 62 | 4.9★ (6,242) | Brampton, 38 km away | 24/7 | — |
| 5 | Summers and Smith Cooling & Heating Limited | 61 | 4.9★ (1,559) | Aurora, 28 km away | 24/7 | — |
| 6 | Reliance Yanch Heating, Air Conditioning & Plumbing | 61 | 4.8★ (5,937) | Barrie, 36 km away | 24/7 | — |
| 7 | Affordable Comfort | 61 | 4.9★ (2,540) | Barrie, 35 km away | 24/7 | — |
| 8 | APK HVAC PRO Heating and Air Conditioning | 61 | 5.0★ (42) | Tottenham | 24/7 | — |
| 9 | Smile HVAC | 61 | 5.0★ (1,314) | Vaughan, 33 km away | 24/7 | — |
| 10 | Don's Heating and Cooling Ltd. | 61 | 4.8★ (1,048) | Orangeville, 25 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: 4.9★ from 9,609 Google reviews, listed on Google as “HVAC contractor”.
Based in Richmond Hill, 39 km away
Ranked #2 because of its Google rating and review volume: 4.9★ from 10,870 Google reviews, the most in Tottenham.
Based in Brampton, 36 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 7,135 Google reviews, listed on Google as “HVAC contractor”.
Based in Brampton, 38 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 6,242 Google reviews, listed on Google as “HVAC contractor”.
Based in Aurora, 28 km away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,559 Google reviews, listed on Google as “HVAC contractor”.
Based in Barrie, 36 km away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 5,937 Google reviews, listed on Google as “HVAC contractor”.
Based in Barrie, 35 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 2,540 Google reviews, listed on Google as “HVAC contractor”.
Based in Tottenham
Ranked #8 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 33 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 1,314 Google reviews, listed on Google as “HVAC contractor”.
Based in Orangeville, 25 km away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,048 Google reviews, listed on Google as “HVAC contractor”.
Based in King, 28 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 391 Google reviews, listed on Google as “HVAC contractor”.
Based in Brampton, 39 km away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 3,190 Google reviews, listed on Google as “HVAC contractor”.
Based in East Gwillimbury, 26 km away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 532 Google reviews, listed on Google as “HVAC contractor”.
Based in Alliston, 15 km away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 139 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 35 km away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 1,309 Google reviews, listed on Google as “HVAC contractor”.
Based in Ajax, 25 km away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 233 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 34 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 431 Google reviews, listed on Google as “HVAC contractor”.
Based in Barrie, 36 km away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 2,051 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 27 km away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 294 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 35 km away
Ranked #20 because of its Google rating and trade focus: 4.6★ from 2,421 Google reviews, listed on Google as “HVAC contractor”.
Based in Brampton, 38 km away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 1,957 Google reviews, listed on Google as “HVAC contractor”.
Based in Barrie, 17 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “HVAC contractor”.
Based in Richmond Hill, 31 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 223 Google reviews, listed on Google as “HVAC contractor”.
Based in Barrie, 36 km away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 841 Google reviews, listed on Google as “HVAC contractor”.
Based in Barrie, 39 km away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 738 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 443 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 |
|---|---|---|
| A-SUN- TECH AIR SYSTEM | 5.0★ (2) | 32 km |
| Air Pollution Solutions Inc | 5.0★ (2) | 28 km |
| Caspian Breeze Heating and Air Conditioning | 5.0★ (2) | 35 km |
| Coryn's HVAC Services | 2.5★ (2) | 32 km |
| EVE Mechanical Services Inc. | 3.0★ (2) | 20 km |
| Everest Drain & Plumbing: Vaughan's Local Plumber | 5.0★ (2) | 28 km |
| HVAC Mechanical Systems | 4.8★ (73) | 25 km |
| JJ HVAC Care Newmarket | 5.0★ (2) | 27 km |
| Kool Freeze Mechanical | 3.0★ (2) | 27 km |
| Markham Heating and Air Conditioning by Freezing Hot Mechanical | 5.0★ (2) | 37 km |
| N & M Mechanical.Inc | 5.0★ (2) | In Tottenham |
| New Tech HVAC | In Tottenham | |
| Panda Home Comfort: HVAC Service | 5.0★ (2) | 29 km |
| Pedrosa Plumbing Inc | 5.0★ (84) | In Tottenham |
| Plumbing & Gas Care H & L | 1.0★ (1) | In Tottenham |
| Plumbing & Heating O And O. | 5.0★ (2) | 30 km |
| Selective Air Systems | 5.0★ (2) | 35 km |
| The Tech Guys | 5.0★ (2) | 39 km |
| Thermoflow Heating & Air Conditioning Ltd. | 5.0★ (2) | 35 km |
| Yorktowne Heating & Cooling Inc. | 5.0★ (2) | 32 km |
US national ranges converted to CAD, not adjusted for Tottenham. 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 443 Tottenham 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 Tottenham 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 |