722 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Plymouth: Crain Heating and Cooling, CR Score 64/100; 4.9★ from 1,422 Google reviews; open 24/7.
Best for emergencies (open 24/7): Randazzo Heating & Cooling, posts 24/7 hours; ranked #3 of 722.
Most-reviewed: Thornton & Grooms, 15,592 Google reviews at 4.9★, the most of 722 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
722 Plymouth HVAC contractors are ranked here by CR Score, from ten published factors. 223 are open 24/7, 475 open Saturdays and 360 open Sundays, based on posted hours. The median Google rating is 4.8★ across 722 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Crain Heating and Cooling | 64 | 4.9★ (1,422) | Livonia, 3 mi away | 24/7 | Overall |
| 2 | Colonial Heating & Cooling | 64 | 4.8★ (4,390) | Plymouth | Sat · Sun · Evenings | — |
| 3 | Randazzo Heating & Cooling | 63 | 4.9★ (1,580) | Farmington Hills, 7 mi away | 24/7 | Emergencies |
| 4 | Robin Aire Service Company | 63 | 4.9★ (2,591) | Wixom, 10 mi away | 24/7 | — |
| 5 | Levine & Sons Plumbing, Heating & AC | 63 | 4.8★ (5,322) | Southfield, 12 mi away | 24/7 | — |
| 6 | Thornton & Grooms | 63 | 4.9★ (15,592) | Farmington Hills, 8 mi away | Sat · Evenings | Most reviews |
| 7 | Ehlers Heating & Cooling | 63 | 4.9★ (1,199) | Livonia, 8 mi away | 24/7 | — |
| 8 | Breyer's Heating & Air Conditioning | 63 | 5.0★ (746) | Ann Arbor, 8 mi away | 24/7 | — |
| 9 | Technical Hot & Cold | 62 | 4.7★ (820) | Westland, 4 mi away | 24/7 | — |
| 10 | Cappy Heating & Air Conditioning, Inc. | 62 | 4.8★ (318) | Livonia, 3 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,422 Google reviews, listed on Google as “HVAC contractor”.
Based in Plymouth
Ranked #2 because of its Google rating and trade focus: 4.8★ from 4,390 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 7 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,580 Google reviews, listed on Google as “HVAC contractor”.
Based in Wixom, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,591 Google reviews, listed on Google as “HVAC contractor”.
Based in Southfield, 12 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 5,322 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 8 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 15,592 Google reviews, the most in Plymouth.
Based in Livonia, 8 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,199 Google reviews, listed on Google as “HVAC contractor”.
Based in Ann Arbor, 8 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 746 Google reviews, listed on Google as “HVAC contractor”.
Based in Westland, 4 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 820 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 3 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 318 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 6 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 474 Google reviews, listed on Google as “HVAC contractor”.
Based in Novi, 9 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 270 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 8 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 565 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 7 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 1,520 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 19 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 2,337 Google reviews, listed on Google as “HVAC contractor”.
Based in Dearborn, 9 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 851 Google reviews, listed on Google as “HVAC contractor”.
Based in Westland, 2 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “HVAC contractor”.
Based in Ypsilanti, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 364 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 2 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington, 7 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 347 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 9 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 1,053 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 9 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 261 Google reviews, listed on Google as “HVAC contractor”.
Based in Ann Arbor, 2 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 68 Google reviews, listed on Google as “HVAC contractor”.
Based in Auburn Hills, 20 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 1,067 Google reviews, listed on Google as “HVAC contractor”.
#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 722 ranked HVAC contractors here; the rest are on their profiles.
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) | 8 mi |
| Absotemp Climate Control Inc. | 4.6★ (191) | 12 mi |
| Affordable Heating, Cooling, Plumbing and Drain Co. | 3.0★ (2) | 12 mi |
| CK Mechanical Heating and Cooling Inc. | 4.8★ (863) | 21 mi |
| D&D AC and Furnace Heating Repair | 5.0★ (2) | In Plymouth |
| Duffy's Heating & Air Conditioning | 5.0★ (2) | 9 mi |
| Ehlers Heating & Cooling | 5.0★ (2) | In Plymouth |
| Farmington Heating & Cooling | 5.0★ (55) | 8 mi |
| Haley Mechanical - Brighton | 4.9★ (374) | 18 mi |
| Heating & Cooling | 5.0★ (2) | 10 mi |
| Joe's Heating | 4.5★ (2) | 7 mi |
| JR Heating and Cooling | 5.0★ (2) | 9 mi |
| On-Time Heating & Air Conditioning Services | 1.0★ (2) | 7 mi |
| Parsons Heating & Cooling | 4.6★ (126) | 10 mi |
| Quality Aire Systems | 5.0★ (2) | In Plymouth |
| TCS Michgan | 4.8★ (17) | In Plymouth |
| Tempco Mechanical Contractors, Inc. | 5.0★ (2) | 8 mi |
| THE LYONS' DEN: HVAC CARE AND REPAIR, LLC | 5.0★ (2) | 9 mi |
| Westland Furnace and Air Conditioning | 3.0★ (2) | 8 mi |
| Will's Heating and Cooling LLC | 5.0★ (2) | 10 mi |
National price ranges in USD, not adjusted for Plymouth. 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 |
In Michigan, Michigan LARA, Bureau of Construction Codes licenses Mechanical contractor licenses.
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
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.
We scored 722 Plymouth HVAC contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Plymouth data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |