9 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Alpena: Root's Heating & Cooling, CR Score 87/100; 4.7★ from 14 Google reviews; open 24/7.
Best for emergencies (open 24/7): Henry Heating Company, LLC, posts 24/7 hours; ranked #2 of 9.
Most-reviewed: Weinkauf Plumbing Heating and Cooling, 527 Google reviews at 4.9★, the most of 9 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Alpena HVAC contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.4★ across 9 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Root's Heating & Cooling | 87 | 4.7★ (14) | Alpena | 24/7 | Overall |
| 2 | Henry Heating Company, LLC | 87 | 4.5★ (15) | Alpena | 24/7 | Emergencies |
| 3 | Weinkauf Plumbing Heating and Cooling | 85 | 4.9★ (527) | Alpena | — | Most reviews |
| 4 | Control Solutions Inc | 81 | 5.0★ (3) | Alpena | — | — |
| 5 | All American Heating Services | 79 | 3.9★ (10) | Alpena | Sat | — |
| 6 | Quality Heating & Cooling | 75 | 3.9★ (7) | Alpena | — | — |
| 7 | Zolnierek Heating & Cooling Co | 75 | 4.4★ (22) | Alpena | — | — |
| 8 | Lakeshore Plumbing & Heating | 75 | 4.1★ (55) | Alpena | — | — |
| 9 | Great Lakes Plumbing Heating & Cooling Inc | 74 | 3.7★ (6) | Alpena | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.7★ from 14 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alpena
Ranked #2 because of its Google rating and availability: 4.5★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alpena
Ranked #3 because of its Google rating and review volume: 4.9★ from 527 Google reviews, the most Google reviews on this list (527).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alpena
Ranked #4 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Alpena
Ranked #5 because of its Google rating and trade focus: 3.9★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alpena
Ranked #6 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “General contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Alpena
Ranked #7 because of its Google rating and trade focus: 4.4★ from 22 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alpena
Ranked #8 because of its Google rating and trade focus: 4.1★ from 55 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Alpena
Ranked #9 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Alpena. 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 9 Alpena HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Alpena data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |