439 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ypsilanti: Randazzo, CR Score 64/100; 5.0★ from 364 Google reviews; open 24/7.
Best for emergencies (open 24/7): Breyer's Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 439.
Most-reviewed: Thornton & Grooms, 15,592 Google reviews at 4.9★, the most of 439 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
439 Ypsilanti HVAC contractors are ranked here by CR Score, from ten published factors. 136 are open 24/7, 279 open Saturdays and 208 open Sundays, based on posted hours. The median Google rating is 4.8★ across 439 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Randazzo | 64 | 5.0★ (364) | Ypsilanti | 24/7 | Overall |
| 2 | Breyer's Heating & Air Conditioning | 63 | 5.0★ (746) | Ann Arbor, 8 mi away | 24/7 | Emergencies |
| 3 | A-Team Heating and Cooling | 63 | 4.9★ (211) | Ypsilanti | 24/7 | — |
| 4 | Mrs. Michael Plumbers, Electricians, and HVAC Technicians | 62 | 4.8★ (926) | Ann Arbor, 6 mi away | 24/7 | — |
| 5 | Crain Heating and Cooling | 62 | 4.9★ (1,422) | Livonia, 14 mi away | 24/7 | — |
| 6 | Colonial Heating & Cooling | 62 | 4.8★ (4,390) | Plymouth, 11 mi away | Sat · Sun · Evenings | — |
| 7 | Robin Aire Service Company | 61 | 4.9★ (2,591) | Wixom, 19 mi away | 24/7 | — |
| 8 | Indoor Comfort Heating & Cooling | 61 | 4.9★ (538) | Ann Arbor, 12 mi away | 24/7 | — |
| 9 | Randazzo Heating & Cooling | 61 | 4.9★ (1,580) | Farmington Hills, 18 mi away | 24/7 | — |
| 10 | Levine & Sons Plumbing, Heating & AC | 60 | 4.8★ (5,322) | Southfield, 23 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: 5.0★ from 364 Google reviews, listed on Google as “HVAC contractor”.
Based in Ann Arbor, 8 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 746 Google reviews, listed on Google as “HVAC contractor”.
Based in Ypsilanti
Ranked #3 because of its Google rating and trade focus: 4.9★ from 211 Google reviews, listed on Google as “HVAC contractor”.
Based in Ann Arbor, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 926 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 14 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, 11 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 Wixom, 19 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 2,591 Google reviews, listed on Google as “HVAC contractor”.
Based in Ann Arbor, 12 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 538 Google reviews, listed on Google as “HVAC contractor”.
Based in Farmington Hills, 18 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 1,580 Google reviews, listed on Google as “HVAC contractor”.
Based in Southfield, 23 mi away
Ranked #10 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, 19 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 15,592 Google reviews, the most in Ypsilanti.
Based in Brighton, 22 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 2,337 Google reviews, listed on Google as “HVAC contractor”.
Based in Westland, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 820 Google reviews, listed on Google as “HVAC contractor”.
Based in Flat Rock, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 1,313 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 19 mi away
Ranked #15 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, 7 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 112 Google reviews, listed on Google as “HVAC contractor”.
Based in Ann Arbor, 5 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 216 Google reviews, listed on Google as “HVAC contractor”.
Based in Romulus, 7 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 920 Google reviews, listed on Google as “HVAC contractor”.
Based in Romulus, 14 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 459 Google reviews, listed on Google as “HVAC contractor”.
Based in Monroe, 24 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 2,605 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 14 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 318 Google reviews, listed on Google as “HVAC contractor”.
Based in Westland, 11 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 103 Google reviews, listed on Google as “HVAC contractor”.
Based in Livonia, 17 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 474 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 25 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.
Based in Ann Arbor, 3 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 23 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 439 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) | 12 mi |
| Air Temperature Control inc | 4.8★ (9) | 4 mi |
| Alltemp Heating & Cooling | 5.0★ (2) | In Ypsilanti |
| D&D AC and Furnace Heating Repair | 5.0★ (2) | 12 mi |
| Ehlers Heating & Cooling | 5.0★ (2) | 11 mi |
| Fahrenheit Heating and Cooling | 4.9★ (68) | 13 mi |
| Galaxy HVAC | 5.0★ (2) | 18 mi |
| Heating & Cooling | 5.0★ (2) | 18 mi |
| Horton Plumbing, Heating, Cooling, & Remodeling | 4.7★ (1,258) | 11 mi |
| HVAC Complex | 5.0★ (1) | In Ypsilanti |
| Joe's Heating | 4.5★ (2) | 18 mi |
| Lashbrook Mechanical | 4.9★ (80) | 10 mi |
| On-Time Heating & Air Conditioning Services | 1.0★ (2) | 16 mi |
| Osburn Services Inc | 4.9★ (280) | 22 mi |
| Quality Air Control Heating & Cooling | 5.0★ (198) | 21 mi |
| Quality Aire Systems | 5.0★ (2) | 11 mi |
| South Lyon Heating And Cooling | 4.7★ (180) | 17 mi |
| Westland Furnace and Air Conditioning | 3.0★ (2) | 14 mi |
| Wilber Heating & Air Conditioning | In Ypsilanti | |
| Williams Brothers AC and Heat | 4.9★ (16) | 6 mi |
National price ranges in USD, not adjusted for Ypsilanti. 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 439 Ypsilanti 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 Ypsilanti 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 |