93/100CR 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 Detroit, MI (2026)
769 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Detroit: Reliance Heating, Air Conditioning & Plumbing, CR Score 93/100; 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 769.
- 9
Most-reviewed: Randazzo Heating & Cooling, 8,968 Google reviews at 4.9★, the most of 769 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
769 Detroit HVAC contractors are ranked here by CR Score, from 8 published factors. 234 are open 24/7, 507 open Saturdays and 383 open Sundays, based on posted hours. The median Google rating is 4.8★ across 769 rated businesses.
Top 10 HVAC contractors in Detroit at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Reliance Heating, Air Conditioning & Plumbing | 93 | 4.8★ (8,756) | Windsor, 8 mi away | 24/7 | Overall |
| 2 | Absolute Comfort Control Services | 92 | 4.9★ (1,469) | Windsor, 5 mi away | 24/7 | Emergencies |
| 3 | Bryant Heating & Cooling Service Experts | 91 | 4.8★ (1,330) | Windsor, 5 mi away | 24/7 | — |
| 4 | CK Mechanical Heating and Cooling Inc. | 91 | 4.8★ (863) | Windsor, 4 mi away | 24/7 | — |
| 5 | Handy Bros. HVAC Windsor (AC and Furnace Repair) | 90 | 4.9★ (347) | Windsor, 4 mi away | 24/7 | — |
| 6 | Levine & Sons Plumbing, Heating & AC | 90 | 4.8★ (5,322) | Southfield, 15 mi away | 24/7 | — |
| 7 | AD Trades Mechanical Inc( heating & Cooling) | 90 | 5.0★ (162) | Windsor, 4 mi away | 24/7 | — |
| 8 | FLAME Heating, Cooling, Plumbing, Electrical | 89 | 4.7★ (3,170) | Warren, 11 mi away | 24/7 | — |
| 9 | Randazzo Heating & Cooling | 89 | 4.9★ (8,968) | Auburn Hills, 24 mi away | 24/7 | Most reviews |
| 10 | Guaranteed Comfort Heating & Cooling | 89 | 4.9★ (169) | Windsor, 4 mi away | 24/7 | — |
The 769 best HVAC contractors in Detroit, 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, 5 mi away
92/100CR 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, 5 mi away
91/100CR 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, 4 mi away
91/100CR 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, 4 mi away
90/100CR 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 Southfield, 15 mi away
90/100CR ScoreRanked #6 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, 4 mi away
90/100CR ScoreRanked #7 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 Warren, 11 mi away
89/100CR ScoreRanked #8 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 Auburn Hills, 24 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 8,968 Google reviews, open 24/7.
- 4.9★ from 8,968 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 51327 Quadrate Dr, Macomb, MI 48042
Based in Windsor, 4 mi away
89/100CR ScoreRanked #10 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 Essex, 9 mi away
89/100CR ScoreRanked #11 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 Windsor, 4 mi away
89/100CR ScoreRanked #12 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 Ferndale, 10 mi away
89/100CR ScoreRanked #13 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 Clinton Township, 18 mi away
89/100CR ScoreRanked #14 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 Livonia, 17 mi away
88/100CR ScoreRanked #15 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 Livonia, 19 mi away
88/100CR ScoreRanked #16 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, 4 mi away
88/100CR ScoreRanked #17 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
Based in Lincoln Park, 10 mi away
88/100CR ScoreRanked #18 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 Taylor, 12 mi away
88/100CR ScoreRanked #19 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 Trenton, 15 mi away
88/100CR ScoreRanked #20 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 Trenton, 16 mi away
88/100CR ScoreRanked #21 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 Farmington Hills, 21 mi away
88/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 1,580 Google reviews, open 24/7.
- 4.9★ from 1,580 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 23485 Industrial Park Dr, Farmington Hills, MI 48335
Based in Flat Rock, 20 mi away
88/100CR ScoreRanked #23 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, 6 mi away
87/100CR ScoreRanked #24 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, 9 mi away
87/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 216 Google reviews, open 24/7.
- 5.0★ from 216 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2071 E 9 Mile Rd, Warren, MI 48091
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 769 ranked HVAC contractors here; the rest are on their profiles.
Also serving Detroit
20 more HVAC contractors within 25 mi 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) | In Detroit |
| AAA Heating & Cooling Inc | 3.5★ (2) | 6 mi |
| Affordable Heating, Cooling, Plumbing and Drain Co. | 3.0★ (2) | 11 mi |
| Air Clinic Heating and Cooling | 4.8★ (102) | 11 mi |
| Air Doctor Heating & Cooling | 5.0★ (2) | 5 mi |
| ANB Heating & Cooling | 5.0★ (2) | 3 mi |
| B&G Heating & Cooling & Electrical | 4.5★ (2) | In Detroit |
| Detroit Heating & Air Conditioning | 5.0★ (2) | In Detroit |
| Edwards Plumbing & Heating | 4.3★ (2,053) | 12 mi |
| Empire Heating & Cooling Inc | 5.0★ (2) | 10 mi |
| Five Star Cooling | In Detroit | |
| GDR Home Heating & Air Conditioning Co | 5.0★ (1) | In Detroit |
| National Electric | 4.4★ (43) | In Detroit |
| SAWAS Mechanical | 5.0★ (2) | 10 mi |
| South West Mechanical Services | 5.0★ (2) | 7 mi |
| StoneHill Heating and Cooling llc | 5.0★ (2) | 8 mi |
| Technical Hot & Cold | 4.7★ (820) | 19 mi |
| Top Solutions Cooling & Heating | In Detroit | |
| VTC Air Cleaning Service | In Detroit | |
| warrior hvac solutions inc | In Detroit |
How much do HVAC contractors cost in Detroit?
National price ranges in USD, not adjusted for Detroit. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
How to check an HVAC contractor's license in Michigan
In Michigan, Michigan LARA, Bureau of Construction Codes licenses Mechanical contractor licenses.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
When to hire an HVAC contractor in Michigan
In Michigan, 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 Detroit HVAC contractors
We scored 769 Detroit 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 Detroit 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 Detroit: frequently asked questions
Who is the best HVAC contractor in Detroit?
By CR Score, the highest-ranked HVAC contractor in Detroit, MI is Reliance Heating, Air Conditioning & Plumbing with a CR Score of 93/100. 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 769 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Detroit?
ContractorsRanked ranks 769 HVAC contractors serving Detroit, MI. 2 of them are based in Detroit; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Detroit are open 24/7?
234 ranked HVAC contractors in Detroit 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 Detroit work on weekends?
507 of 769 ranked HVAC contractors post Saturday hours and 383 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 do I check an HVAC contractor's license in Michigan?
In Michigan, Michigan LARA, Bureau of Construction Codes handles licensing and covers Mechanical contractor licenses.
How much does ac replacement cost in Detroit?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Detroit. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Detroit HVAC contractors have?
The median Google rating among 769 rated HVAC contractors in Detroit is 4.8★, with a median of 28 reviews. Randazzo Heating & Cooling has the most, 8,968 reviews, and ranks #9. 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 Detroit?
In Michigan, 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.
Update log for Detroit
- October 2026: CR Scores recalculated for 769 hvac contractors serving Detroit.
- October 2026: 5 duplicate listings merged.
More HVAC contractors and Detroit pages
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