865 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Richmond Hill: Reliance Heating, Air Conditioning & Plumbing, CR Score 67/100; 4.9★ from 10,870 Google reviews; open 24/7.
Best for emergencies (open 24/7): Enercare, posts 24/7 hours; ranked #2 of 865.
Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 20,445 Google reviews at 4.8★, the most of 865 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
865 Richmond Hill HVAC contractors are ranked here by CR Score, from ten published factors. 362 are open 24/7, 667 open Saturdays and 544 open Sundays, based on posted hours. The median Google rating is 4.9★ across 865 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Reliance Heating, Air Conditioning & Plumbing | 67 | 4.9★ (10,870) | Richmond Hill | 24/7 | Overall |
| 2 | Enercare | 65 | 4.9★ (9,609) | Vaughan, 14 km away | 24/7 | Emergencies |
| 3 | Enercare | 64 | 4.8★ (11,186) | North York, 17 km away | 24/7 | — |
| 4 | Smile HVAC | 64 | 5.0★ (1,314) | Vaughan, 8 km away | 24/7 | — |
| 5 | Go Lime | 64 | 4.8★ (6,512) | North York, 14 km away | 24/7 | — |
| 6 | Reliance Heating, Air Conditioning & Plumbing | 64 | 4.7★ (9,158) | North York, 14 km away | 24/7 | — |
| 7 | HVAC Trust | 63 | 4.9★ (465) | Richmond Hill | 24/7 | — |
| 8 | Econoair Heating & Cooling Inc | 63 | 4.9★ (435) | Richmond Hill | 24/7 | — |
| 9 | Air Point Heating & Cooling | 63 | 5.0★ (431) | Vaughan, 6 km away | 24/7 | — |
| 10 | Bay Tech Heating and Cooling | 63 | 5.0★ (223) | Richmond Hill | 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 10,870 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 14 km away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 9,609 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 17 km away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 11,186 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 8 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 1,314 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 14 km away
Ranked #5 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, 14 km away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 9,158 Google reviews, listed on Google as “HVAC contractor”.
Based in Richmond Hill
Ranked #7 because of its Google rating and trade focus: 4.9★ from 465 Google reviews, listed on Google as “HVAC contractor”.
Based in Richmond Hill
Ranked #8 because of its Google rating and trade focus: 4.9★ from 435 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 6 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 431 Google reviews, listed on Google as “HVAC contractor”.
Based in Richmond Hill
Ranked #10 because of its Google rating and trade focus: 5.0★ from 223 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 9 km away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 1,319 Google reviews, listed on Google as “HVAC contractor”.
Based in Aurora, 14 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,559 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 10 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 836 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 7 km away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 2,421 Google reviews, listed on Google as “HVAC contractor”.
Based in Mississauga, 32 km away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 20,445 Google reviews, listed on Google as “HVAC contractor”.
Based in Scarborough, 19 km away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 3,715 Google reviews, listed on Google as “HVAC contractor”.
Based in King, 9 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 391 Google reviews, listed on Google as “HVAC contractor”.
Based in Vaughan, 11 km away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 1,309 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 10 km away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 529 Google reviews, listed on Google as “HVAC contractor”.
Based in Etobicoke, 27 km away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 4,281 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 13 km away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 1,154 Google reviews, listed on Google as “HVAC contractor”.
Based in Brampton, 31 km away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 6,242 Google reviews, listed on Google as “HVAC contractor”.
Based in North York, 13 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 464 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 8 km away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 271 Google reviews, listed on Google as “HVAC contractor”.
Based in Markham, 9 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 266 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 865 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 |
|---|---|---|
| AFSA HVAC & Power | In Richmond Hill | |
| AlfaHigh Services Inc. | In Richmond Hill | |
| Alliance energy source | In Richmond Hill | |
| Arcmech Solutions | In Richmond Hill | |
| City Energy Heating & Air Conditioning Richmond Hill | In Richmond Hill | |
| Climax Heating & Air Conditioning North & Condo HVAC Service | In Richmond Hill | |
| Comfort Home 365 | In Richmond Hill | |
| Dena Hvac systems inc | In Richmond Hill | |
| Diako Air Comfort | In Richmond Hill | |
| Fresh Vent Air Technologies inc. | In Richmond Hill | |
| Husky Heating and Air Conditioning | 4.6★ (321) | 9 km |
| Kelvin Temp HVAC | In Richmond Hill | |
| KSI Integrated Facility Services | 5.0★ (1) | In Richmond Hill |
| Nor-Line Plumbing & Mechanical Limited | In Richmond Hill | |
| Old Man Winter Heat & Air | In Richmond Hill | |
| Reliance Heating, Air Conditioning & Plumbing | 4.7★ (1,854) | 25 km |
| SMART COMFORT AIR | In Richmond Hill | |
| Temp Master | In Richmond Hill | |
| The HOUSE DEPOT CORP. | 4.7★ (293) | 11 km |
| Universal Heating & Cooling | In Richmond Hill |
US national ranges converted to CAD, not adjusted for Richmond Hill. 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 865 Richmond Hill 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 Richmond Hill 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 |