Ranked #1 because of its Google rating and trade focus: 4.7★ from 2,618 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 2,618 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1150 N Old US 23, Howell, MI 48843
138 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Howell: Mrs. Michael Plumbers, Electricians, and HVAC Technicians, CR Score 67/100; 4.7★ from 2,618 Google reviews; open 24/7.
Best for emergencies (open 24/7): Accu-Temp Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 138.
Most-reviewed: AAA Service Network, 2,657 Google reviews at 4.8★, the most of 138 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
138 Howell HVAC contractors are ranked here by CR Score, from ten published factors. 42 are open 24/7, 79 open Saturdays and 63 open Sundays, based on posted hours. The median Google rating is 4.9★ across 138 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mrs. Michael Plumbers, Electricians, and HVAC Technicians | 67 | 4.7★ (2,618) | Howell | 24/7 | Overall |
| 2 | Accu-Temp Heating & Air Conditioning | 66 | 4.9★ (671) | Howell | 24/7 | Emergencies |
| 3 | Vredevoogd Heating & Cooling | 66 | 5.0★ (368) | Howell | 24/7 | — |
| 4 | Lakeside Service Co. | 65 | 4.9★ (2,337) | Brighton, 10 mi away | 24/7 | — |
| 5 | Weathervane Heating and Cooling | 65 | 4.8★ (512) | Howell | 24/7 | — |
| 6 | Robin Aire Service Company | 63 | 4.9★ (2,591) | Wixom, 22 mi away | 24/7 | — |
| 7 | Haley Mechanical - Brighton | 63 | 4.9★ (374) | Brighton, 10 mi away | 24/7 | — |
| 8 | Dominion Service Company | 63 | 5.0★ (684) | Brighton, 10 mi away | Sat · Sun · Evenings | — |
| 9 | Titan Plumbing Group | 62 | 4.9★ (2,038) | Howell | 24/7 | — |
| 10 | Matheson Heating Air Plumbing | 61 | 4.9★ (1,350) | Milford, 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: 4.7★ from 2,618 Google reviews, listed on Google as “HVAC contractor”.
Based in Howell
Ranked #2 because of its Google rating and trade focus: 4.9★ from 671 Google reviews, listed on Google as “HVAC contractor”.
Based in Howell
Ranked #3 because of its Google rating and trade focus: 5.0★ from 368 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,337 Google reviews, listed on Google as “HVAC contractor”.
Based in Howell
Ranked #5 because of its Google rating and trade focus: 4.8★ from 512 Google reviews, listed on Google as “HVAC contractor”.
Based in Wixom, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 2,591 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 10 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 374 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 10 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 684 Google reviews, listed on Google as “Heating contractor”.
Based in Howell
Ranked #9 because of its Google rating and review volume: 4.9★ from 2,038 Google reviews.
Based in Milford, 23 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.
Based in Howell
Ranked #11 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “HVAC contractor”.
Based in Brighton, 13 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 2,657 Google reviews, the most in Howell.
Based in Fenton, 19 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,114 Google reviews, listed on Google as “HVAC contractor”.
Based in Holly, 20 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 260 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 8 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 271 Google reviews, listed on Google as “HVAC contractor”.
Based in Ann Arbor, 23 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 538 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 19 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 280 Google reviews, listed on Google as “HVAC contractor”.
Based in Fenton, 18 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 778 Google reviews, listed on Google as “HVAC contractor”.
Based in Fenton, 18 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 178 Google reviews, listed on Google as “HVAC contractor”.
Based in Howell
Ranked #21 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based in Howell
Ranked #22 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 1,820 Google reviews, listed on Google as “HVAC contractor”.
Based in South Lyon, 15 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 180 Google reviews, listed on Google as “HVAC contractor”.
Based in Novi, 24 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 270 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 138 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 |
|---|---|---|
| AIG Heating & Cooling | 4.8★ (16) | 8 mi |
| Air Solution & the Newway Co | 5.0★ (1) | 19 mi |
| Brumley Heating & Cooling | 3.2★ (24) | 17 mi |
| Certified Heating & Cooling | 5.0★ (1) | 14 mi |
| CMR Mechancial | 5.0★ (1) | 17 mi |
| Dee Cramer | 4.3★ (44) | 25 mi |
| Gil-Rich Cooling & Heating | 1.0★ (1) | 14 mi |
| Harper Mechanical Inc | 5.0★ (2) | 10 mi |
| High Point Mechanical Systems-Mechanical Contractor-HVAC Contractor | In Howell | |
| Koala Insulation of Ann Arbor and East Lansing | 4.7★ (53) | In Howell |
| Mechanical Piping Solutions, Inc. | In Howell | |
| Michigan Engineered Comfort Corporation | 5.0★ (1) | 13 mi |
| Phoenix Refrigeration | 4.8★ (4) | 22 mi |
| Polar Bear Heating & AC | 3.4★ (49) | 24 mi |
| Service Control | 3.3★ (6) | In Howell |
| Tankless Pros, LLC - Rinnai Tankless Water Heater & Tankless Boiler Specialists | 4.9★ (105) | 24 mi |
| Tip Top Heating & Cooling | 5.0★ (4) | 17 mi |
| Total HVAC Brighton | 5.0★ (1) | 9 mi |
| Trusted Air Duct Cleaning | 5.0★ (2) | 6 mi |
| Williams Brothers AC and Heat | 4.9★ (16) | 24 mi |
National price ranges in USD, not adjusted for Howell. 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 138 Howell 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 Howell 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 |