73 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bay City: Haertel Heating & Cooling, CR Score 66/100; 4.9★ from 373 Google reviews; open 24/7.
Best for emergencies (open 24/7): Smith Mechanical Heating and Cooling, posts 24/7 hours; ranked #2 of 73.
Most-reviewed: All Seasons Heating and Cooling, 1,378 Google reviews at 4.9★, the most of 73 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 Bay City HVAC contractors are ranked here by CR Score, from ten published factors. 10 are open 24/7, 26 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.7★ across 73 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Haertel Heating & Cooling | 66 | 4.9★ (373) | Bay City | 24/7 | Overall |
| 2 | Smith Mechanical Heating and Cooling | 64 | 4.9★ (173) | Bay City | 24/7 | Emergencies |
| 3 | Chuck Baumer Heating & Cooling | 62 | 4.9★ (115) | Bay City | Sat · Sun · Evenings | — |
| 4 | Valley Heating & Cooling Inc. | 62 | 5.0★ (392) | Saginaw, 13 mi away | Sat · Sun | — |
| 5 | Great Lakes Air Mechanical Heating And Cooling | 60 | 4.7★ (24) | Bay City | 24/7 | — |
| 6 | Ryczek Heating & Cooling LLC | 60 | 4.8★ (132) | Saginaw, 8 mi away | Sat · Sun | — |
| 7 | Answer Heating & Cooling | 60 | 4.9★ (1,121) | Freeland, 13 mi away | — | — |
| 8 | Advantage Heating & Cooling | 59 | 5.0★ (31) | Freeland, 9 mi away | 24/7 | — |
| 9 | J.Fries Heating & Cooling | 59 | 4.9★ (300) | Saginaw, 13 mi away | Sat · Evenings | — |
| 10 | Badour Heating and Cooling | 59 | 4.9★ (155) | Bay City | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 373 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #2 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #3 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saginaw, 13 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 392 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #5 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saginaw, 8 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Freeland, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,121 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Freeland, 9 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saginaw, 13 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 300 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #10 because of its Google rating and trade focus: 4.9★ from 155 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saginaw, 12 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saginaw, 11 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Midland, 21 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 1,378 Google reviews, the most in Bay City.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Midland, 23 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 118 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #15 because of its Google rating and trade focus: 4.4★ from 127 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #16 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #17 because of its Google rating and trade focus: 4.3★ from 23 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saginaw Township North, 14 mi away
Ranked #18 because of its Google rating and trade focus: 4.4★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bridgeport, 12 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 110 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #20 because of its Google rating and trade focus: 4.4★ from 71 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #21 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bay City
Ranked #22 because of its Google rating and trade focus: 4.8★ from 27 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Midland, 16 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Midland, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 378 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay City
Ranked #25 because of its Google rating and trade focus: 4.7★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 73 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 |
|---|---|---|
| 6 O’clock Solutions | 5.0★ (1) | 17 mi |
| Accurate Plumbing & Heating | 5.0★ (2) | 12 mi |
| Cataline Heating and Air conditioning LLC | 5.0★ (1) | 9 mi |
| Cream Company | 4.0★ (43) | In Bay City |
| Jeff Schark Heating & Cooling Inc. | 5.0★ (2) | 12 mi |
| JJs mechanical llc | In Bay City | |
| Laski & Sons Plumbing and Heating | 5.0★ (2) | 11 mi |
| Mr.fix it rausch service hvac | 12 mi | |
| My Bryant Dealer | 11 mi | |
| Neymeiyer Mechanical | 5.0★ (1) | In Bay City |
| On Time Mechanical | 1.0★ (2) | 14 mi |
| P J's Plumbing & Heating | In Bay City | |
| Phillips & Norgan Plumbing & Heating | 3.0★ (3) | In Bay City |
| Phoenix Home Performance | 5.0★ (1) | 10 mi |
| Quality Heating Cooling & Plumbing | 5.0★ (2) | 11 mi |
| Remer Plumbing Heating & Air Conditioning, Inc. | 3.5★ (97) | 13 mi |
| S&J Heating & Cooling | 9 mi | |
| Schultz Plumbing & Heating Co | 5.0★ (2) | 14 mi |
| Seidel Heating | 5.0★ (5) | 17 mi |
| ServiceMaster | 4.0★ (4) | In Bay City |
National price ranges in USD, not adjusted for Bay City. 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 73 Bay City 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 Bay City 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 |