93/100CR 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 Novi, MI (2026)
750 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Novi: Robin Aire Service Company, CR Score 93/100; 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 750.
- 14
Most-reviewed: Thornton & Grooms, 15,592 Google reviews at 4.9★, the most of 750 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
750 Novi HVAC contractors are ranked here by CR Score, from 8 published factors. 234 are open 24/7, 493 open Saturdays and 380 open Sundays, based on posted hours. The median Google rating is 4.8★ across 750 rated businesses.
Top 10 HVAC contractors in Novi at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Robin Aire Service Company | 93 | 4.9★ (2,591) | Wixom, 3 mi away | 24/7 | Overall |
| 2 | Randazzo Heating & Cooling | 92 | 4.9★ (1,580) | Farmington Hills, 3 mi away | 24/7 | Emergencies |
| 3 | High Comfort Heating Cooling and Refrigeration | 92 | 5.0★ (270) | Novi | 24/7 | — |
| 4 | Levine & Sons Plumbing, Heating & AC | 91 | 4.8★ (5,322) | Southfield, 10 mi away | 24/7 | — |
| 5 | Crain Heating and Cooling | 91 | 4.9★ (1,422) | Livonia, 8 mi away | 24/7 | — |
| 6 | Ehlers Heating & Cooling | 91 | 4.9★ (1,199) | Livonia, 7 mi away | 24/7 | — |
| 7 | Matheson Heating Air Plumbing | 91 | 4.9★ (1,350) | Milford, 7 mi away | 24/7 | — |
| 8 | 1st Heating and Cooling | 90 | 5.0★ (1,067) | Auburn Hills, 13 mi away | 24/7 | — |
| 9 | Great Dane Heating, Cooling, Electrical, & Plumbing | 90 | 4.9★ (261) | Farmington Hills, 2 mi away | 24/7 | — |
| 10 | Lakeside Service Co. | 90 | 4.9★ (2,337) | Brighton, 15 mi away | 24/7 | — |
The 750 best HVAC contractors in Novi, 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, 3 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 Novi
92/100CR ScoreRanked #3 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 Southfield, 10 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, 8 mi away
91/100CR ScoreRanked #5 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 Livonia, 7 mi away
91/100CR ScoreRanked #6 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 Milford, 7 mi away
91/100CR 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 Auburn Hills, 13 mi away
90/100CR ScoreRanked #8 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, 2 mi away
90/100CR ScoreRanked #9 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 Brighton, 15 mi away
90/100CR ScoreRanked #10 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
#11 Andy's Statewide
Based in Auburn Hills, 19 mi away
89/100CR ScoreRanked #11 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 Farmington Hills, 6 mi away
89/100CR ScoreRanked #12 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 Farmington Hills, 7 mi away
89/100CR ScoreRanked #13 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 Farmington Hills, 3 mi away
89/100CR ScoreRanked #14 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
Based in Auburn Hills, 12 mi away
89/100CR ScoreRanked #15 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
Based in Milford, 7 mi away
89/100CR ScoreRanked #16 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 Ann Arbor, 16 mi away
89/100CR ScoreRanked #17 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 Farmington, 6 mi away
89/100CR ScoreRanked #18 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
#19 Rightemp
Based in Milford, 6 mi away
89/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 192 Google reviews, open 24/7.
- 4.9★ from 192 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3214 Old Farm Ln, Commerce Charter Twp, MI 48390
Based in Livonia, 9 mi away
88/100CR ScoreRanked #20 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 Novi
88/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 259 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 259 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Based in Plymouth, 9 mi away
88/100CR ScoreRanked #22 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, 8 mi away
88/100CR ScoreRanked #23 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
#24 Hi-Tech, Inc.
Based in Milford, 10 mi away
88/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 271 Google reviews, open 24/7.
- 4.9★ from 271 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3224 S Duck Lake Rd, Highland Township, MI 48356
Based in Farmington Hills, 5 mi away
88/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 64 Google reviews, open 24/7.
- 5.0★ from 64 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 750 ranked HVAC contractors here; the rest are on their profiles.
Also serving Novi
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-Team Heating and Cooling | 4.9★ (211) | 17 mi |
| D&D AC and Furnace Heating Repair | 5.0★ (2) | 7 mi |
| Duffy's Heating & Air Conditioning | 5.0★ (2) | 3 mi |
| Edwards Plumbing & Heating | 4.7★ (2,426) | 10 mi |
| Ehlers Heating & Cooling | 5.0★ (2) | 8 mi |
| Joe's Heating | 4.5★ (2) | 9 mi |
| JR Heating and Cooling | 5.0★ (2) | 5 mi |
| Keating Contracting LLC | In Novi | |
| KENS HOME CREATIONS | 5.0★ (2) | 11 mi |
| LEO'S HEATING AND COOLING | 4.9★ (158) | 15 mi |
| Mrs. Michael Plumbers, Electricians, and HVAC Technicians | 4.8★ (926) | 22 mi |
| On-Time Heating & Air Conditioning Services | 1.0★ (2) | 12 mi |
| Prime Cooling & Heating | In Novi | |
| Quality Aire Systems | 5.0★ (2) | 9 mi |
| R & L Heating and Cooling | 4.8★ (702) | 21 mi |
| Service Plumbing & Heating | 5.0★ (2) | 13 mi |
| South Lyon Heating And Cooling | 4.7★ (180) | 11 mi |
| Tempco Mechanical Contractors, Inc. | 5.0★ (2) | 4 mi |
| THE LYONS' DEN: HVAC CARE AND REPAIR, LLC | 5.0★ (2) | 7 mi |
| Zilka Heating and Cooling | 4.8★ (260) | 11 mi |
How much do HVAC contractors cost in Novi?
National price ranges in USD, not adjusted for Novi. 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 Novi HVAC contractors
We scored 750 Novi 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 Novi 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 Novi: frequently asked questions
Who is the best HVAC contractor in Novi?
By CR Score, the highest-ranked HVAC contractor in Novi, MI is Robin Aire Service Company with a CR Score of 93/100. It has 4.9★ from 2,591 Google reviews. It is open 24/7. Randazzo Heating & Cooling (#2) and High Comfort Heating Cooling and Refrigeration (#3) follow. We ranked 750 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Novi?
ContractorsRanked ranks 750 HVAC contractors serving Novi, MI. 3 of them are based in Novi; 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 Novi are open 24/7?
234 ranked HVAC contractors in Novi post 24/7 hours. The highest-ranked are Robin Aire Service Company (#1), Randazzo Heating & Cooling (#2) and High Comfort Heating Cooling and Refrigeration (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Novi work on weekends?
493 of 750 ranked HVAC contractors post Saturday hours and 380 post Sunday hours. The highest-ranked open Saturdays are Robin Aire Service Company (#1), Randazzo Heating & Cooling (#2) and High Comfort Heating Cooling and Refrigeration (#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 Novi?
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 Novi. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Novi HVAC contractors have?
The median Google rating among 750 rated HVAC contractors in Novi is 4.8★, with a median of 28 reviews. Thornton & Grooms has the most, 15,592 reviews, and ranks #14. 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 Novi?
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 Novi
- October 2026: CR Scores recalculated for 750 hvac contractors serving Novi.
- October 2026: 6 duplicate listings merged.
More HVAC contractors and Novi pages
HVAC contractors near Novi
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Other trades in Novi
- Roofers in Novi828 ranked
- Plumbers in Novi578 ranked
- Electricians in Novi452 ranked
- General contractors in Novi675 ranked
- Painters in Novi267 ranked
- Landscapers in Novi366 ranked
- Handymen in Novi153 ranked
- Kitchen remodelers in Novi431 ranked
- Bathroom remodelers in Novi435 ranked
- Flooring contractors in Novi415 ranked
- Tile installers in Novi78 ranked
- Drywall contractors in Novi29 ranked
- Concrete contractors in Novi396 ranked
- Fence contractors in Novi108 ranked
- Deck builders in Novi189 ranked
- Siding contractors in Novi366 ranked
- Window installers in Novi352 ranked
- Gutter installers in Novi272 ranked
- Insulation contractors in Novi126 ranked
- Solar installers in Novi51 ranked
- Garage door repair companies in Novi143 ranked
- Foundation repair companies in Novi132 ranked
- Tree services in Novi504 ranked
- Masonry contractors in Novi278 ranked
- Water damage restoration companies in Novi535 ranked
- Home builders in Novi409 ranked
- Demolition contractors in Novi111 ranked
- All contractors in Novi