616 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Romulus: Breyer's Heating & Air Conditioning, CR Score 64/100; 5.0★ from 746 Google reviews; open 24/7.
Best for emergencies (open 24/7): Fairchild Plumbing, Heating & Cooling, posts 24/7 hours; ranked #2 of 616.
Most-reviewed: Thornton & Grooms, 15,592 Google reviews at 4.9★, the most of 616 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
616 Romulus HVAC contractors are ranked here by CR Score, from ten published factors. 192 are open 24/7, 401 open Saturdays and 311 open Sundays, based on posted hours. The median Google rating is 4.8★ across 616 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Breyer's Heating & Air Conditioning | 64 | 5.0★ (746) | Ann Arbor, 4 mi away | 24/7 | Overall |
| 2 | Fairchild Plumbing, Heating & Cooling | 63 | 5.0★ (271) | Romulus | 24/7 | Emergencies |
| 3 | Affordable Comfort Heating and Cooling | 63 | 4.8★ (459) | Romulus | 24/7 | — |
| 4 | Superior Comfort Heating and Cooling | 62 | 4.9★ (1,313) | Flat Rock, 10 mi away | 24/7 | — |
| 5 | Crain Heating and Cooling | 62 | 4.9★ (1,422) | Livonia, 11 mi away | 24/7 | — |
| 6 | Colonial Heating & Cooling | 62 | 4.8★ (4,390) | Plymouth, 9 mi away | Sat · Sun · Evenings | — |
| 7 | Levine & Sons Plumbing, Heating & AC | 62 | 4.8★ (5,322) | Southfield, 18 mi away | 24/7 | — |
| 8 | R & L Heating and Cooling | 62 | 4.8★ (702) | Taylor, 8 mi away | 24/7 | — |
| 9 | Reliance Heating, Air Conditioning & Plumbing | 61 | 4.8★ (8,756) | Windsor, 22 mi away | 24/7 | — |
| 10 | Air Temperature Control | 61 | 4.9★ (920) | Romulus | Sat · Evenings | — |
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: 5.0★ from 746 Google reviews, listed on Google as “HVAC contractor”.
Based in Romulus
Ranked #2 because of its Google rating and trade focus: 5.0★ from 271 Google reviews, listed on Google as “HVAC contractor”.
Based in Romulus
Ranked #3 because of its Google rating and trade focus: 4.8★ from 459 Google reviews, listed on Google as “HVAC contractor”.
Based in Flat Rock, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,313 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,422 Google reviews, listed on Google as “HVAC contractor”.
Based in Plymouth, 9 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 4,390 Google reviews, listed on Google as “HVAC contractor”.
Based in Southfield, 18 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 5,322 Google reviews, listed on Google as “HVAC contractor”.
Based in Taylor, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 702 Google reviews, listed on Google as “HVAC contractor”.
Based in Windsor, 22 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 8,756 Google reviews, listed on Google as “HVAC contractor”.
Based in Romulus
Ranked #10 because of its Google rating and trade focus: 4.9★ from 920 Google reviews, listed on Google as “HVAC contractor”.
Based in Ypsilanti, 10 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 364 Google reviews, listed on Google as “HVAC contractor”.
Based in Westland, 7 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 820 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 17 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,580 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 15 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,199 Google reviews, listed on Google as “HVAC contractor”.
Based in Wixom, 21 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 2,591 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 17 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 15,592 Google reviews, the most in Romulus.
Based in Trenton, 12 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 330 Google reviews, listed on Google as “HVAC contractor”.
Based in Trenton, 11 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 291 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Dearborn, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 851 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverview, 10 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 198 Google reviews, listed on Google as “HVAC contractor”.
Based in Ypsilanti, 9 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 211 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 11 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 474 Google reviews, listed on Google as “HVAC contractor”.
Based in Essex, 9 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 420 Google reviews, listed on Google as “HVAC contractor”.
Based in Dearborn, 4 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Heating contractor”.
Based in Monroe, 21 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 2,605 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 616 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 |
|---|---|---|
| A. C. Electric Service, Inc. | 3.7★ (6) | In Romulus |
| A1 Air Conditioning & Heating | 5.0★ (2) | 4 mi |
| Air Temperature Control inc | 4.8★ (9) | In Romulus |
| Alltemp Heating & Cooling | 5.0★ (2) | 10 mi |
| Bclean Air Maintenance Services LLC | 4.9★ (57) | 6 mi |
| D&D AC and Furnace Heating Repair | 5.0★ (2) | 11 mi |
| Galaxy HVAC | 5.0★ (2) | 7 mi |
| Great Dane Heating, Cooling, Electrical, & Plumbing | 4.9★ (261) | 19 mi |
| Heating & Cooling | 5.0★ (2) | 10 mi |
| Indoor Comfort Heating & Cooling | 4.9★ (538) | 23 mi |
| KT Group Inc | In Romulus | |
| Milan Mechanical Heating & Cooling LLC. | In Romulus | |
| National Electric | 4.6★ (113) | 9 mi |
| On-Time Heating & Air Conditioning Services | 1.0★ (2) | 9 mi |
| One Hour Heating & Air Conditioning | 4.5★ (122) | 11 mi |
| Parsons Heating & Cooling | 4.6★ (126) | 10 mi |
| Quality Aire Systems | 5.0★ (2) | 10 mi |
| Trenton Heating & Cooling | 4.8★ (22) | 4 mi |
| Westland Furnace and Air Conditioning | 3.0★ (2) | 6 mi |
| Will's Heating and Cooling LLC | 5.0★ (2) | 12 mi |
National price ranges in USD, not adjusted for Romulus. 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 616 Romulus 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 Romulus 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 |