9 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Troy: Alabama's Best Heating Air & Home Repair, CR Score 91/100; 5.0★ from 207 Google reviews; open 24/7.
Best for emergencies (open 24/7): A1 HVAC, posts 24/7 hours; ranked #2 of 9.
Most-reviewed: Patriot Heating & Cooling, LLC, 53 Google reviews at 4.8★, the most of 9 ranked after Alabama's Best Heating Air & Home Repair; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Troy HVAC contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 5 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.7★ across 9 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Alabama's Best Heating Air & Home Repair | 91 | 5.0★ (207) | Montgomery, 23 mi away | 24/7 | Overall |
| 2 | A1 HVAC | 88 | 4.5★ (11) | Troy | 24/7 | Emergencies |
| 3 | Patriot Heating & Cooling, LLC | 88 | 4.8★ (53) | Troy | Sat · Sun | Most reviews |
| 4 | Hamm's HVAC Services,LLC | 83 | 5.0★ (19) | Troy | Sat | — |
| 5 | Your Top Choice Heating & Cooling | 83 | 4.6★ (9) | Troy | — | — |
| 6 | Chill Cultivators Heating & Air Conditioning | 81 | 2.7★ (3) | Troy | Sat · Sun · Evenings | — |
| 7 | Stone Cold Heating & Cooling | 79 | 4.7★ (27) | Troy | — | — |
| 8 | Shupe Carboni & Associates | 75 | 5.0★ (7) | East Ridge, 10 mi away | — | — |
| 9 | A-1 Services | 74 | 4.6★ (7) | Troy | — | — |
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 review volume: 5.0★ from 207 Google reviews, the most Google reviews on this list (207).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Troy
Ranked #2 because of its Google rating and availability: 4.5★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Troy
Ranked #3 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Troy
Ranked #4 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Troy
Ranked #5 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Troy
Ranked #6 because of its Google rating and trade focus: 2.7★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Troy
Ranked #7 because of its Google rating and trade focus: 4.7★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Ridge, 10 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Troy
Ranked #9 because of its Google rating and trade focus: 4.6★ from 7 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 Troy. 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 Alabama, Alabama Board of Heating, Air Conditioning and Refrigeration Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
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 Alabama, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.
We scored 9 Troy 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 Troy 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 |