7 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Iron Mountain: Premier Heating and Plumbing Inc, CR Score 65/100; 4.9★ from 53 Google reviews; open 24/7.
Best for emergencies (open 24/7): D & L Plumbing Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 7.
Most-reviewed: Sikora Sheet Metal Inc. Heating, Plumbing & Air Conditioning, 131 Google reviews at 4.9★, the most of 7 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Iron Mountain HVAC contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 3 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.7★ across 7 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Premier Heating and Plumbing Inc | 65 | 4.9★ (53) | Iron Mountain | 24/7 | Overall |
| 2 | D & L Plumbing Heating & Air Conditioning | 63 | 4.4★ (47) | Iron Mountain | 24/7 | Emergencies |
| 3 | Jacobson Heating & Air Conditioning | 63 | 4.7★ (38) | Kingsford, 2 mi away | 24/7 | — |
| 4 | Sikora Sheet Metal Inc. Heating, Plumbing & Air Conditioning | 63 | 4.9★ (131) | Iron Mountain | — | Most reviews |
| 5 | Miller Plumbing, Heating & Air Conditioning | 56 | 3.9★ (28) | Iron Mountain | — | — |
| 6 | CSA Air Inc. | 55 | 5.0★ (4) | Kingsford, 3 mi away | — | — |
| 7 | Universal Plumbing-Heating & Air Conditioning Inc | 55 | 3.8★ (16) | Kingsford, 2 mi away | — | — |
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 53 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iron Mountain
Ranked #2 because of its Google rating and trade focus: 4.4★ from 47 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingsford, 2 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 38 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iron Mountain
Ranked #4 because of its Google rating and review volume: 4.9★ from 131 Google reviews, the most in Iron Mountain.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Iron Mountain
Ranked #5 because of its Google rating and trade focus: 3.9★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingsford, 3 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kingsford, 2 mi away
Ranked #7 because of its Google rating and trade focus: 3.8★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Iron Mountain. 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 7 Iron Mountain 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 Iron Mountain 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 |