152 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Decatur: Valley Heating & Cooling, CR Score 67/100; 4.9★ from 2,970 Google reviews; open 24/7.
Best for emergencies (open 24/7): Jackson Plumbing, Heating, Cooling, Septic, Electrical, posts 24/7 hours; ranked #2 of 152.
Most-reviewed: Blake Brothers Services Corporation, 4,731 Google reviews at 4.8★, the most of 152 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
152 Decatur HVAC contractors are ranked here by CR Score, from ten published factors. 62 are open 24/7, 89 open Saturdays and 73 open Sundays, based on posted hours. The median Google rating is 4.9★ across 152 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Valley Heating & Cooling | 67 | 4.9★ (2,970) | Decatur | 24/7 | Overall |
| 2 | Jackson Plumbing, Heating, Cooling, Septic, Electrical | 67 | 4.9★ (2,444) | Decatur | 24/7 | Emergencies |
| 3 | Higdon Service Heating, Cooling, Plumbing | 67 | 4.9★ (1,855) | Decatur | 24/7 | — |
| 4 | Skyward Heating Air Plumbing | 65 | 4.9★ (568) | Decatur | 24/7 | — |
| 5 | Environmental Comfort Systems - Air Conditioning & Heating Solutions | 64 | 5.0★ (246) | Decatur | 24/7 | — |
| 6 | Ultimate Heating and Air Conditioning | 63 | 4.9★ (204) | Decatur | 24/7 | — |
| 7 | Hiller Plumbing, Heating, Cooling & Electrical | 63 | 4.9★ (3,273) | Madison, 18 mi away | 24/7 | — |
| 8 | Integrity Services Heating and Cooling | 63 | 4.9★ (1,315) | Madison, 13 mi away | 24/7 | — |
| 9 | Lee Company | 62 | 4.7★ (803) | Madison, 8 mi away | 24/7 | — |
| 10 | Southeastern Mechanical Services, LLC | 62 | 4.9★ (89) | Decatur | 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: 4.9★ from 2,970 Google reviews, listed on Google as “HVAC contractor”.
Based in Decatur
Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,444 Google reviews, listed on Google as “HVAC contractor”.
Based in Decatur
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,855 Google reviews, listed on Google as “HVAC contractor”.
Based in Decatur
Ranked #4 because of its Google rating and trade focus: 4.9★ from 568 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Decatur
Ranked #5 because of its Google rating and trade focus: 5.0★ from 246 Google reviews, listed on Google as “HVAC contractor”.
Based in Decatur
Ranked #6 because of its Google rating and trade focus: 4.9★ from 204 Google reviews, listed on Google as “HVAC contractor”.
Based in Madison, 18 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 3,273 Google reviews, listed on Google as “HVAC contractor”.
Based in Madison, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,315 Google reviews, listed on Google as “HVAC contractor”.
Based in Madison, 8 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 803 Google reviews, listed on Google as “HVAC contractor”.
Based in Decatur
Ranked #10 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntsville, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 2,796 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntsville, 24 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 4,731 Google reviews, the most in Decatur.
Based in Huntsville, 20 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 1,890 Google reviews, listed on Google as “HVAC contractor”.
Based in Hartselle, 11 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntsville, 23 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 926 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntsville, 24 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 832 Google reviews, listed on Google as “HVAC contractor”.
Based in Athens, 12 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 93 Google reviews, listed on Google as “HVAC contractor”.
Based in Decatur
Ranked #18 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntsville, 25 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 516 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntsville, 24 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 207 Google reviews, listed on Google as “HVAC contractor”.
Based in Madison, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 60 Google reviews, listed on Google as “HVAC contractor”.
Based in Decatur
Ranked #22 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based in Huntsville, 22 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 403 Google reviews, listed on Google as “HVAC contractor”.
Based in Madison, 18 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “HVAC contractor”.
Based in Decatur
Ranked #25 because of its Google rating and trade focus: 4.6★ from 17 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 152 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 |
|---|---|---|
| A 2 Z Home Repairs | 1.0★ (1) | In Decatur |
| Air Care Systems | 4.5★ (35) | 22 mi |
| Air Degree | 5.0★ (73) | 23 mi |
| Athens Refrigeration and Air Conditioning | 5.0★ (2) | 6 mi |
| Chenault Heating & Cooling | 3.3★ (3) | 10 mi |
| Complete Care HVAC Ser, Inc | In Decatur | |
| Donald Carter Heating-Cooling | 5.0★ (2) | 14 mi |
| DrainPro Express | 5.0★ (115) | In Decatur |
| Elite Aire | 4.6★ (50) | 23 mi |
| Elite Heating and Cooling LLC | 4.5★ (56) | 25 mi |
| Flannagan Heat & Air LLC | 5.0★ (21) | 23 mi |
| H R Moore Co Inc. | 5.0★ (1) | In Decatur |
| HBP Electrical LLC | 4.9★ (158) | In Decatur |
| JagAir HVAC Solutions Inc | 5.0★ (44) | 23 mi |
| Kingdom Mechanical L.L.C. | 5.0★ (22) | 20 mi |
| Madison Heating & Cooling | 5.0★ (2) | 17 mi |
| North Alabama Heating and Cooling LLC | 4.8★ (10) | 17 mi |
| Rocket City Home Repair | 3.0★ (2) | 19 mi |
| Sparkman Heating And Air | 5.0★ (2) | 12 mi |
| The Handy Man | 5.0★ (1) | In Decatur |
National price ranges in USD, not adjusted for Decatur. 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 152 Decatur 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 Decatur 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 |