92/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 2,591 Google reviews, open 24/7.
- 4.9★ from 2,591 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28930 Wall St, Wixom, MI 48393
Best HVAC Contractors in Northville, MI (2026)
735 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Northville: Robin Aire Service Company, CR Score 92/100; 4.9★ from 2,591 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Randazzo Heating & Cooling, posts 24/7 hours; ranked #2 of 735.
- 17
Most-reviewed: Thornton & Grooms, 15,592 Google reviews at 4.9★, the most of 735 ranked; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
735 Northville HVAC contractors are ranked here by CR Score, from 8 published factors. 230 are open 24/7, 487 open Saturdays and 373 open Sundays, based on posted hours. The median Google rating is 4.8★ across 735 rated businesses.
Top 10 HVAC contractors in Northville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Robin Aire Service Company | 92 | 4.9★ (2,591) | Wixom, 6 mi away | 24/7 | Overall |
| 2 | Randazzo Heating & Cooling | 92 | 4.9★ (1,580) | Farmington Hills, 4 mi away | 24/7 | Emergencies |
| 3 | Crain Heating and Cooling | 92 | 4.9★ (1,422) | Livonia, 5 mi away | 24/7 | — |
| 4 | Levine & Sons Plumbing, Heating & AC | 91 | 4.8★ (5,322) | Southfield, 11 mi away | 24/7 | — |
| 5 | Ehlers Heating & Cooling | 91 | 4.9★ (1,199) | Livonia, 7 mi away | 24/7 | — |
| 6 | High Comfort Heating Cooling and Refrigeration | 90 | 5.0★ (270) | Novi, 4 mi away | 24/7 | — |
| 7 | Matheson Heating Air Plumbing | 90 | 4.9★ (1,350) | Milford, 11 mi away | 24/7 | — |
| 8 | Breyer's Heating & Air Conditioning | 90 | 5.0★ (746) | Ann Arbor, 12 mi away | 24/7 | — |
| 9 | Lakeside Service Co. | 90 | 4.9★ (2,337) | Brighton, 16 mi away | 24/7 | — |
| 10 | Great Dane Heating, Cooling, Electrical, & Plumbing | 89 | 4.9★ (261) | Farmington Hills, 5 mi away | 24/7 | — |
The 735 best HVAC contractors in Northville, 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 Farmington Hills, 4 mi away
92/100CR ScoreRanked #2 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 Livonia, 5 mi away
92/100CR ScoreRanked #3 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 Southfield, 11 mi away
91/100CR ScoreRanked #4 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 Livonia, 7 mi away
91/100CR ScoreRanked #5 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 Novi, 4 mi away
90/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 270 Google reviews, open 24/7.
- 5.0★ from 270 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 43422 W Oaks Dr #203, Novi, MI 48377
Based in Milford, 11 mi away
90/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 1,350 Google reviews, open 24/7.
- 4.9★ from 1,350 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1965 Best Dr, Commerce Township, MI 48390
Based in Ann Arbor, 12 mi away
90/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 746 Google reviews, open 24/7.
- 5.0★ from 746 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6728 Anna Dr, Van Buren Township, MI 48111
Based in Brighton, 16 mi away
90/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 2,337 Google reviews, open 24/7.
- 4.9★ from 2,337 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4367 S Old US Hwy 23, Brighton, MI 48114
Based in Farmington Hills, 5 mi away
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 261 Google reviews, open 24/7.
- 4.9★ from 261 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 27280 Haggerty Rd C-19, Farmington Hills, MI 48331
Based in Auburn Hills, 16 mi away
89/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 1,067 Google reviews, open 24/7.
- 5.0★ from 1,067 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1032 W Huron St, Waterford Township, MI 48328
Based in Farmington Hills, 7 mi away
89/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 565 Google reviews, open 24/7.
- 4.8★ from 565 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 30640 W 8 Mile Rd, Farmington Hills, MI 48336
Based in Plymouth, 6 mi away
89/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 4,390 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 4,390 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
- Address
- 41170 Joy Rd, Plymouth, MI 48170
Based in Livonia, 5 mi away
89/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 318 Google reviews, open 24/7.
- 4.8★ from 318 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12551 Globe St, Livonia, MI 48150
Based in Farmington, 6 mi away
89/100CR ScoreRanked #15 because of its Google rating and availability: 4.8★ from 347 Google reviews, open 24/7.
- 4.8★ from 347 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 32708 Eight Mile W, Farmington, MI 48336
Based in Livonia, 8 mi away
89/100CR ScoreRanked #16 because of its Google rating and availability: 4.8★ from 474 Google reviews, open 24/7.
- 4.8★ from 474 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31037 Schoolcraft Rd, Livonia, MI 48150
Based in Farmington Hills, 4 mi away
89/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 15,592 Google reviews, the most Google reviews on this list (15,592).
- 4.9★ from 15,592 Google reviews
- Hours
- Mon–Fri 6 AM–7 PM · Sat 7 AM–4 PM · Sun closed
- Address
- 24565 Hallwood Ct, Farmington Hills, MI 48335
#18 Andy's Statewide
Based in Auburn Hills, 22 mi away
88/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 6,170 Google reviews, open 24/7.
- 4.8★ from 6,170 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4828 Joslyn Rd, Orion, MI 48359
Based in Westland, 8 mi away
88/100CR ScoreRanked #19 because of its Google rating and availability: 4.7★ from 820 Google reviews, open 24/7.
- 4.7★ from 820 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 38568 Webb Dr, Westland, MI 48185
Based in Farmington Hills, 9 mi away
88/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 181 Google reviews, open 24/7.
- 5.0★ from 181 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2775 Haggerty Rd suite 7, Commerce Township, MI 48390
Based in Milford, 9 mi away
88/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 280 Google reviews, open 24/7.
- 4.9★ from 280 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2530 E Buno Rd, Milford, MI 48381
Based in Auburn Hills, 15 mi away
88/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 681 Google reviews, open 24/7.
- 4.9★ from 681 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 980 S Cass Lake Rd, Waterford Township, MI 48328
#23 Randazzo
Based in Ypsilanti, 15 mi away
88/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 364 Google reviews, open 24/7.
- 5.0★ from 364 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 317 Ecorse Rd Suite #1, Ypsilanti, MI 48198
Based in Ann Arbor, 3 mi away
88/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 68 Google reviews, open 24/7.
- 4.9★ from 68 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Dearborn, 10 mi away
88/100CR ScoreRanked #25 because of its Google rating and availability: 4.7★ from 851 Google reviews, open 24/7.
- 4.7★ from 851 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 26135 Plymouth Rd, Redford Township, MI 48239
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 735 ranked HVAC contractors here; the rest are on their profiles.
Also serving Northville
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 |
|---|---|---|
| A1 Air Conditioning & Heating | 5.0★ (2) | 12 mi |
| D&D AC and Furnace Heating Repair | 5.0★ (2) | 4 mi |
| Duffy's Heating & Air Conditioning | 5.0★ (2) | 6 mi |
| Edwards Plumbing & Heating | 4.3★ (2,053) | 14 mi |
| Ehlers Heating & Cooling | 5.0★ (2) | 5 mi |
| Heating & Cooling | 5.0★ (2) | 13 mi |
| Horton Plumbing, Heating, Cooling, & Remodeling | 4.7★ (1,258) | 5 mi |
| Joe's Heating | 4.5★ (2) | 8 mi |
| JR Heating and Cooling | 5.0★ (2) | 7 mi |
| KENS HOME CREATIONS | 5.0★ (2) | 12 mi |
| MODOC Mechanical (A Rocket Service Pros Company) | 4.9★ (43) | 7 mi |
| On-Time Heating & Air Conditioning Services | 1.0★ (2) | 10 mi |
| One Hour Heating & Air Conditioning | 4.5★ (122) | 5 mi |
| Quality Aire Systems | 5.0★ (2) | 6 mi |
| South Lyon Heating And Cooling | 4.7★ (180) | 11 mi |
| Tempco Mechanical Contractors, Inc. | 5.0★ (2) | 5 mi |
| THE LYONS' DEN: HVAC CARE AND REPAIR, LLC | 5.0★ (2) | 8 mi |
| Westland Furnace and Air Conditioning | 3.0★ (2) | 11 mi |
| Will's Heating and Cooling LLC | 5.0★ (2) | 12 mi |
| Zilka Heating and Cooling | 4.8★ (260) | 14 mi |
How much do HVAC contractors cost in Northville?
National price ranges in USD, not adjusted for Northville. 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 Northville HVAC contractors
We scored 735 Northville 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 Northville 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 Northville: frequently asked questions
Who is the best HVAC contractor in Northville?
By CR Score, the highest-ranked HVAC contractor in Northville, MI is Robin Aire Service Company with a CR Score of 92/100. It has 4.9★ from 2,591 Google reviews. It is open 24/7. Randazzo Heating & Cooling (#2) and Crain Heating and Cooling (#3) follow. We ranked 735 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Northville?
ContractorsRanked ranks 735 HVAC contractors serving Northville, MI. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Northville are open 24/7?
230 ranked HVAC contractors in Northville post 24/7 hours. The highest-ranked are Robin Aire Service Company (#1), Randazzo Heating & Cooling (#2) and Crain Heating and Cooling (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Northville work on weekends?
487 of 735 ranked HVAC contractors post Saturday hours and 373 post Sunday hours. The highest-ranked open Saturdays are Robin Aire Service Company (#1), Randazzo Heating & Cooling (#2) and Crain Heating and Cooling (#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 Northville?
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 Northville. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Northville HVAC contractors have?
The median Google rating among 735 rated HVAC contractors in Northville is 4.8★, with a median of 28 reviews. Thornton & Grooms has the most, 15,592 reviews, and ranks #17. 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 Northville?
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 Northville
- October 2026: CR Scores recalculated for 735 hvac contractors serving Northville.
- October 2026: 5 duplicate listings merged.
More HVAC contractors and Northville pages
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