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HVAC Contractors in Richmond Hill

26 HVAC contractors in Richmond Hill with multi-platform trust scores.

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Who is the best HVAC contractor in Richmond Hill, Ontario?

The highest-scoring HVAC contractors in Richmond Hill on ProScore are Cozy World Inc. (86/100), Up North Mechanical LTD (79/100) and Kobist Air Inc. Heating & Cooling (77/100). ProScore has scored 26 HVAC contractors in Richmond Hill across 10+ data sources and 20+ trust signals. 9 of the 26 are Trusted-tier (70+) or higher.

Star ratings alone do not separate them: 24 of the 26 average 4.5 stars or higher on Google, but only 9 reach Trusted (70+). ProScore also weighs government licensing including TSSA, WSIB coverage, ratings on other platforms and what customers say in their reviews.

Trust scores last computed between October 13, 2026 and November 1, 2026.

Which HVAC contractors in Richmond Hill score highest?

All 26 scored hvac contractors in Richmond Hill, ranked by ProScore.

ProScore scores 26 hvac contractors in Richmond Hill, and their average score is 65 out of 100. 9 of them reach the Trusted threshold of 70 or higher. 8 are registered with WSIB and 6 hold a TSSA licence. 26 have Google reviews on file — 12,939 reviews in total, and 4 carry a Better Business Bureau rating. Across Ontario, 29% of the HVAC contractors ProScore has scored reach the Trusted threshold; at 35%, Richmond Hill is above the provincial rate.

1
86
Richmond Hill|★4.9
WSIB VerifiedTSSA Licensed274 reviews

Cozy World Inc. operates seven days a week from Richmond Hill and handles HVAC repairs and installations, with wheelchair-accessible entrance and washroom facilities on site.

Cozy World Inc. ranks 1st of the 26 hvac contractors ProScore scores in Richmond Hill, holding a ProScore of 86 out of 100 (Elite tier). Its score draws on 274 Google reviews averaging 4.9 out of 5, 1,435 reviews on other major review platforms and a Better Business Bureau rating of A+. Public records show it is registered with WSIB and licensed by the TSSA.

2
79
Richmond Hill|★5.0
WSIB VerifiedTSSA Licensed53 reviews

Up North Mechanical LTD handles HVAC work in Richmond Hill, responding quickly to service calls and emergency repairs, often same-day or next-day, with diagnostic expertise and proactive maintenance guidance delivered in a straightforward, detail-oriented manner.

Up North Mechanical LTD ranks 2nd of the 26 hvac contractors ProScore scores in Richmond Hill, holding a ProScore of 79 out of 100 (Trusted tier). Its score draws on 53 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB and licensed by the TSSA.

3
77
Richmond Hill|★5.0
TSSA Licensed43 reviews

Kobist Air Inc. Heating & Cooling provides HVAC services in Richmond Hill, operating seven days a week.

Kobist Air Inc. Heating & Cooling ranks 3rd of the 26 hvac contractors ProScore scores in Richmond Hill, holding a ProScore of 77 out of 100 (Trusted tier). Its score draws on 43 Google reviews averaging 5.0 out of 5, 12 reviews on other major review platforms and a Better Business Bureau rating of A+. Public records show it is licensed by the TSSA.

4
76
Richmond Hill|★4.9
56 reviews

Primipair Home Services is an HVAC contractor based in Richmond Hill that operates 24/7 and works on site. Technicians conduct thorough inspections, identify problems proactively, and explain findings and system operation clearly to customers.

The ProScore for Primipair Home Services draws on 56 Google reviews averaging 4.9 out of 5, 95 reviews on other major review platforms and a Better Business Bureau rating of A+.

5
74
Richmond Hill|★5.0
WSIB VerifiedTSSA Licensed38 reviews

Comfort Care Inc provides HVAC services in Richmond Hill and offers online estimates, operating seven days a week.

The ProScore for Comfort Care Inc draws on 38 Google reviews averaging 5.0 out of 5. Public records show Comfort Care Inc is registered with WSIB and licensed by the TSSA.

6
74
Richmond Hill|★4.9
10922 reviews

Reliance Heating, Air Conditioning & Plumbing is an HVAC contractor in Richmond Hill that operates 24/7 by appointment.

The ProScore for Reliance Heating, Air Conditioning & Plumbing draws on 10,922 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.

7
73
Richmond Hill|★4.9
WSIB Verified441 reviews

Open 24 hours, seven days a week, Econoair Heating & Cooling Inc handles HVAC repairs and installations in Richmond Hill.

The ProScore for Econoair Heating & Cooling Inc draws on 441 Google reviews averaging 4.9 out of 5 and 67 reviews on other major review platforms. Public records show Econoair Heating & Cooling Inc is registered with WSIB.

8
72
Richmond Hill|★4.9
WSIB VerifiedTSSA Licensed44 reviews

Enersave Heating and Cooling is an HVAC contractor in Richmond Hill operating seven days a week.

The ProScore for Enersave Heating and Cooling draws on 44 Google reviews averaging 4.9 out of 5. Public records show Enersave Heating and Cooling is registered with WSIB and licensed by the TSSA.

9
71
HVAC TrustTrusted
Richmond Hill|★4.9
470 reviews

The ProScore for HVAC Trust draws on 470 Google reviews averaging 4.9 out of 5.

10
69
Richmond Hill|★4.9
53 reviews

Airtek Ontario (Gree) delivers HVAC training with a hands-on approach grounded in field experience, combining theory with practical real-world examples and patient, thorough instruction.

The ProScore for Airtek Ontario (Gree) draws on 53 Google reviews averaging 4.9 out of 5.

11
67
Richmond Hill|★4.2
WSIB VerifiedTSSA Licensed58 reviews

Greensaving Group Inc is a 24/7 HVAC repair service based in Richmond Hill.

The ProScore for Greensaving Group Inc draws on 58 Google reviews averaging 4.2 out of 5. Public records show Greensaving Group Inc is registered with WSIB and licensed by the TSSA.

12
66
Richmond Hill|★4.5
75 reviews

Green Approved Solutions - Heating, Cooling, Water operates 24/7 from Richmond Hill and handles HVAC repairs with wheelchair-accessible parking.

The ProScore for Green Approved Solutions - Heating, Cooling, Water draws on 75 Google reviews averaging 4.5 out of 5.

13
63
Richmond Hill|★5.0
31 reviews

Climax Heating & Air Conditioning North & Condo HVAC Service operates 24/7 in Richmond Hill, providing on-site HVAC service by appointment and offering online estimates; the location has wheelchair-accessible parking.

The ProScore for Climax Heating & Air Conditioning North & Condo HVAC Service draws on 31 Google reviews averaging 5.0 out of 5.

14
63
Richmond Hill|★5.0
31 reviews

Kelvin Temp HVAC is an HVAC repair service in Richmond Hill available 24/7, operating in English and French, with online estimates and on-site service.

The ProScore for Kelvin Temp HVAC draws on 31 Google reviews averaging 5.0 out of 5.

15
62
Richmond Hill|★4.9
36 reviews

Superior HVAC Service, Heating & Air Conditioning handles heating and air conditioning repair in Richmond Hill, operating seven days a week with on-site service and online estimates available. The business serves customers in English and American Sign Language.

The ProScore for Superior HVAC Service, Heating & Air Conditioning draws on 36 Google reviews averaging 4.9 out of 5.

16
62
Richmond Hill|★4.9
140 reviews

The Ontario HVAC Group provides HVAC repair services in Richmond Hill and operates 24/7, offering online estimates and on-site work.

The ProScore for The Ontario HVAC Group draws on 140 Google reviews averaging 4.9 out of 5.

17
61
Richmond Hill|★4.9
WSIB Verified15 reviews

The ProScore for Alliance energy source draws on 15 Google reviews averaging 4.9 out of 5 and 44 reviews on other major review platforms. Public records show Alliance energy source is registered with WSIB.

18
60
Richmond Hill|★5.0
27 reviews

Diamond Air is an HVAC contractor in Richmond Hill, Ontario, open seven days a week and accessible by wheelchair-accessible parking.

The ProScore for Diamond Air draws on 27 Google reviews averaging 5.0 out of 5.

19
59
Richmond Hill|★5.0
13 reviews

City Energy Heating & Air Conditioning Richmond Hill provides HVAC services on site in Richmond Hill, operating by appointment six days a week and offering wheelchair-accessible parking.

The ProScore for City Energy Heating & Air Conditioning Richmond Hill draws on 13 Google reviews averaging 5.0 out of 5.

20
58
Richmond Hill|★5.0
WSIB Verified19 reviews

The ProScore for Blue Sky Comfort Care draws on 19 Google reviews averaging 5.0 out of 5. Public records show Blue Sky Comfort Care is registered with WSIB.

21
56
Richmond Hill|★4.6
10 reviews

Heating Ontario provides HVAC service on site in Richmond Hill and offers online estimates, operating seven days a week.

The ProScore for Heating Ontario draws on 10 Google reviews averaging 4.6 out of 5.

22
56
Richmond Hill|★5.0
11 reviews

ROYAL HVAC INC. operates seven days a week and handles HVAC repairs on site, with the ability to provide estimates online.

The ProScore for ROYAL HVAC INC. draws on 11 Google reviews averaging 5.0 out of 5.

23
55
Richmond Hill|★5.0
12 reviews

Arcmech Solutions operates seven days a week from Richmond Hill, offering HVAC services.

The ProScore for Arcmech Solutions draws on 12 Google reviews averaging 5.0 out of 5.

24
55
Richmond Hill|★4.4
43 reviews

Maxim Air handles HVAC repair and installation work in Richmond Hill, operating seven days a week.

The ProScore for Maxim Air draws on 43 Google reviews averaging 4.4 out of 5.

25
53
Richmond Hill|★5.0
12 reviews

The ProScore for Atasun City draws on 12 Google reviews averaging 5.0 out of 5.

26
53
Richmond Hill|★5.0
12 reviews

Spring Air Pro Heating And Cooling operates 24 hours a day, seven days a week and provides HVAC services in Richmond Hill.

The ProScore for Spring Air Pro Heating And Cooling draws on 12 Google reviews averaging 5.0 out of 5.

How is an HVAC contractor's ProScore calculated?

Every HVAC contractor in Richmond Hill is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing including TSSA and WSIB), Transparency (online presence and profile completeness), and Sentiment (AI analysis of customer reviews). The result is a ProScore from 0 to 100.

Read the full methodology →

Frequently Asked Questions

Who is the best HVAC contractor in Richmond Hill?

Cozy World Inc. has the highest ProScore (86/100) among 26 HVAC contractors in Richmond Hill, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing (TSSA), WSIB coverage, and AI-analyzed customer sentiment.

How do I find a trustworthy HVAC contractor in Richmond Hill?

Look for hvac contractors with verified TSSA licensing, active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Richmond Hill, 1 hvac contractor holds Elite-tier ProScores (81+), 8 are Trusted-tier (70+), and 15 are Good-tier (54+).

Are hvac contractors in Richmond Hill licensed?

Gas and fuel work in Ontario must be done by a TSSA-registered contractor using certified technicians. Ask for the registration number and check it with the TSSA. Of the top 26 hvac contractors in Richmond Hill by ProScore, 6 hold a TSSA registration according to ProScore’s records. Of the top 26 hvac contractors in Richmond Hill by ProScore, 8 are registered with WSIB according to ProScore’s records.

How many hvac contractors has ProScore scored in Richmond Hill?

ProScore has scored 26 hvac contractors in Richmond Hill, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between October 13, 2026 and November 1, 2026.

What's the ProScore distribution among hvac contractors in Richmond Hill?

Among 26 hvac contractors in Richmond Hill, Ontario: 1 is Elite-tier (81+), 8 are Trusted-tier (70+), and 15 are Good-tier (54+). Together they average a ProScore of 65/100, with Cozy World Inc. leading at 86/100.

How do HVAC contractors in Richmond Hill compare with Ontario as a whole?

35% of the HVAC contractors ProScore has scored in Richmond Hill reach the Trusted tier (70+), against 29% across Ontario as a whole, so Richmond Hill is above the provincial rate.