95/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 8,756 Google reviews, open 24/7.
- 4.8★ from 8,756 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1900 Blackacre Dr, Windsor, ON N0R 1L0
Best HVAC Contractors in Windsor, ON (2026)
710 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Windsor: Reliance Heating, Air Conditioning & Plumbing, CR Score 95/100; 4.8★ from 8,756 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Absolute Comfort Control Services, posts 24/7 hours; ranked #2 of 710.
- 18
Most-reviewed: Cregger Plumbing, Heating & Cooling, 6,410 Google reviews at 4.9★, the most of 710 ranked after Reliance Heating, Air Conditioning & Plumbing; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
710 Windsor HVAC contractors are ranked here by CR Score, from 8 published factors. 213 are open 24/7, 470 open Saturdays and 352 open Sundays, based on posted hours. The median Google rating is 4.8★ across 710 rated businesses.
Top 10 HVAC contractors in Windsor at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Reliance Heating, Air Conditioning & Plumbing | 95 | 4.8★ (8,756) | Windsor | 24/7 | Overall |
| 2 | Absolute Comfort Control Services | 93 | 4.9★ (1,469) | Windsor | 24/7 | Emergencies |
| 3 | Bryant Heating & Cooling Service Experts | 92 | 4.8★ (1,330) | Windsor | 24/7 | — |
| 4 | CK Mechanical Heating and Cooling Inc. | 92 | 4.8★ (863) | Windsor | 24/7 | — |
| 5 | Handy Bros. HVAC Windsor (AC and Furnace Repair) | 91 | 4.9★ (347) | Windsor | 24/7 | — |
| 6 | AD Trades Mechanical Inc( heating & Cooling) | 91 | 5.0★ (162) | Windsor | 24/7 | — |
| 7 | Guaranteed Comfort Heating & Cooling | 90 | 4.9★ (169) | Windsor | 24/7 | — |
| 8 | Fahrhall Home Comfort Specialists | 90 | 4.7★ (374) | Windsor | 24/7 | — |
| 9 | Syles Mechanical Services | 89 | 4.8★ (704) | Essex, 11 km away | 24/7 | — |
| 10 | Levine & Sons Plumbing, Heating & AC | 89 | 4.8★ (5,322) | Southfield, 28 km away | 24/7 | — |
The 710 best HVAC contractors in Windsor, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Windsor
93/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 1,469 Google reviews, open 24/7.
- 4.9★ from 1,469 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4080 North Service Rd E #2, Windsor, ON N8W 5X2
Based in Windsor
92/100CR ScoreRanked #3 because of its Google rating and availability: 4.8★ from 1,330 Google reviews, open 24/7.
- 4.8★ from 1,330 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3194 Devon Dr, Windsor, ON N8X 4L2
Based in Windsor
92/100CR ScoreRanked #4 because of its Google rating and availability: 4.8★ from 863 Google reviews, open 24/7.
- 4.8★ from 863 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3846 Peter St, Windsor, ON N9C 1K2
Based in Windsor
91/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 347 Google reviews, open 24/7.
- 4.9★ from 347 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5430 Wyandotte St E, Windsor, ON N8S 1L8
Based in Windsor
91/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 162 Google reviews, open 24/7.
- 5.0★ from 162 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 716 Vanier St, Windsor, ON N8X 3E6
Based in Windsor
90/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 169 Google reviews, open 24/7.
- 4.9★ from 169 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2722 Meldrum Rd, Windsor, ON N8W 4G5
Based in Windsor
90/100CR ScoreRanked #8 because of its Google rating and availability: 4.7★ from 374 Google reviews, open 24/7.
- 4.7★ from 374 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3822 Sandwich St., Windsor, ON N9C 1C1
Based in Essex, 11 km away
89/100CR ScoreRanked #9 because of its Google rating and availability: 4.8★ from 704 Google reviews, open 24/7.
- 4.8★ from 704 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3255 Odessa Dr, Tecumseh, ON N8N 0H8
Based in Southfield, 28 km away
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.8★ from 5,322 Google reviews, open 24/7.
- 4.8★ from 5,322 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 23820 Telegraph Rd, Southfield, MI 48033
Based in Windsor
89/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 88 Google reviews, open 24/7.
- 4.9★ from 88 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9962 Little River Blvd, Windsor, ON N8P 0C5
Based in Warren, 22 km away
89/100CR ScoreRanked #12 because of its Google rating and availability: 4.7★ from 3,170 Google reviews, open 24/7.
- 4.7★ from 3,170 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2200 E 11 Mile Rd, Warren, MI 48091
Based in Clinton Township, 31 km away
88/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 3,178 Google reviews, open 24/7.
- 4.8★ from 3,178 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 36611 Gratiot Ave, Clinton Township, MI 48035
Based in Lincoln Park, 15 km away
88/100CR ScoreRanked #14 because of its Google rating and availability: 4.9★ from 247 Google reviews, open 24/7.
- 4.9★ from 247 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3725 Fort St, Lincoln Park, MI 48146, United States
Based in Trenton, 23 km away
88/100CR ScoreRanked #15 because of its Google rating and availability: 5.0★ from 330 Google reviews, open 24/7.
- 5.0★ from 330 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3336 Charles St, Trenton, MI 48183
Based in Trenton, 22 km away
88/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 291 Google reviews, open 24/7.
- 5.0★ from 291 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1661 Kenwood St, Trenton, MI 48183, United States
Based in Taylor, 20 km away
88/100CR ScoreRanked #17 because of its Google rating and availability: 4.8★ from 702 Google reviews, open 24/7.
- 4.8★ from 702 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21159 Goddard Rd, Taylor, MI 48180
Based in Ferndale, 20 km away
88/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 6,410 Google reviews, open 24/7.
- 4.9★ from 6,410 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2335 Goodrich St, Ferndale, MI 48220
Based in Flat Rock, 31 km away
88/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 1,313 Google reviews, open 24/7.
- 4.9★ from 1,313 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 27518 Telegraph Rd, Flat Rock, MI 48134, United States
Based in Windsor
88/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 373 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 373 Google reviews
- Hours
- Mon–Sun 8 AM–11 PM
- Address
- 6555 Malden Rd #9, Windsor, ON N9H 1T5
Based in Livonia, 32 km away
88/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 1,199 Google reviews, open 24/7.
- 4.9★ from 1,199 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 30885 Eight Mile W, Livonia, MI 48152
Based in Windsor
88/100CR ScoreRanked #22 because of its Google rating and availability: 4.8★ from 46 Google reviews, open 24/7.
- 4.8★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2427 Longfellow Ave, Windsor, ON N9E 2K8
Based in Riverview, 21 km away
88/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 198 Google reviews, open 24/7.
- 5.0★ from 198 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18421 Valleyview St, Riverview, MI 48193
Based in Livonia, 34 km away
87/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 1,422 Google reviews, open 24/7.
- 4.9★ from 1,422 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37493 Schoolcraft Rd, Livonia, MI 48150
Based in Essex, 10 km away
87/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 89 Google reviews, open 24/7.
- 4.9★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
HVAC contractors ranked #26 to #50
#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 710 ranked HVAC contractors here; the rest are on their profiles.
Also serving Windsor
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 Plus Gary & Sons Plumbing / HVAC | 5.0★ (2) | 5 km |
| ANB Heating & Cooling | 5.0★ (2) | In Windsor |
| Climatec Mechanical Services | In Windsor | |
| Cole Mechanical Systems | In Windsor | |
| Comfort Plusss Inc | In Windsor | |
| Complete Mechanical HVAC Services Inc. | 5.0★ (7) | In Windsor |
| Detroit Heating & Air Conditioning | 5.0★ (2) | 8 km |
| Dougall Heating Cooling | In Windsor | |
| E McCrone Plumbing & Heating | In Windsor | |
| Edwards Plumbing & Heating | 4.3★ (2,053) | 22 km |
| Honeywell Building Solutions | 1.0★ (1) | In Windsor |
| Len's Refrigeration & Air Conditioning | 1.0★ (1) | In Windsor |
| Mike Deez Metal Contractors Inc. | 5.0★ (1) | In Windsor |
| Rushi hvac servies inc | In Windsor | |
| Scotts HVAC Service | In Windsor | |
| South West Mechanical Services | 5.0★ (2) | In Windsor |
| Spada Sheet Metal Inc | 5.0★ (1) | In Windsor |
| Superior Plumbing & Heating of Tecumseh | In Windsor | |
| Technical Hot & Cold | 4.7★ (820) | 33 km |
| Windsor Drainage & Electric Eel | 4.8★ (64) | In Windsor |
How much do HVAC contractors cost in Windsor?
US national ranges converted to CAD, not adjusted for Windsor. 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 |
When to hire an HVAC contractor in Ontario
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.
How we ranked Windsor HVAC contractors
We scored 710 Windsor HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Windsor data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
HVAC contractors in Windsor: frequently asked questions
Who is the best HVAC contractor in Windsor?
By CR Score, the highest-ranked HVAC contractor in Windsor, ON is Reliance Heating, Air Conditioning & Plumbing with a CR Score of 95/100. It has 4.8★ from 8,756 Google reviews. It is open 24/7. Absolute Comfort Control Services (#2) and Bryant Heating & Cooling Service Experts (#3) follow. We ranked 710 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Windsor?
ContractorsRanked ranks 710 HVAC contractors serving Windsor, ON. 14 of them are based in Windsor; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Windsor are open 24/7?
213 ranked HVAC contractors in Windsor post 24/7 hours. The highest-ranked are Reliance Heating, Air Conditioning & Plumbing (#1), Absolute Comfort Control Services (#2) and Bryant Heating & Cooling Service Experts (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Windsor work on weekends?
470 of 710 ranked HVAC contractors post Saturday hours and 352 post Sunday hours. The highest-ranked open Saturdays are Reliance Heating, Air Conditioning & Plumbing (#1), Absolute Comfort Control Services (#2) and Bryant Heating & Cooling Service Experts (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Windsor?
AC replacement typically costs CA$5,460 to CA$11,350, with CA$8,400 typical (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)). This is a national range, not adjusted for Windsor. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Windsor HVAC contractors have?
The median Google rating among 710 rated HVAC contractors in Windsor is 4.8★, with a median of 27 reviews. Reliance Heating, Air Conditioning & Plumbing has the most, 8,756 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Windsor?
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.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Windsor
- October 2026: CR Scores recalculated for 710 hvac contractors serving Windsor.
- October 2026: 4 duplicate listings merged.
More HVAC contractors and Windsor pages
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