251 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Grayson Valley: Service Experts Birmingham, CR Score 64/100; 4.7★ from 3,209 Google reviews; open 24/7.
Best for emergencies (open 24/7): Perfect Service Heating & Air, posts 24/7 hours; ranked #2 of 251.
Most-reviewed: OnTime Service, 8,308 Google reviews at 4.9★, the most of 251 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
251 Grayson Valley HVAC contractors are ranked here by CR Score, from ten published factors. 86 are open 24/7, 163 open Saturdays and 112 open Sundays, based on posted hours. The median Google rating is 4.9★ across 251 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Experts Birmingham | 64 | 4.7★ (3,209) | Irondale, 5 mi away | 24/7 | Overall |
| 2 | Perfect Service Heating & Air | 64 | 4.8★ (1,273) | Trussville, 4 mi away | 24/7 | Emergencies |
| 3 | Wilbur's Air Conditioning, Heating & Plumbing | 64 | 4.8★ (1,124) | Birmingham, 5 mi away | 24/7 | — |
| 4 | One Source Heating, Cooling, Plumbing & Electrical | 63 | 4.8★ (810) | Birmingham, 5 mi away | 24/7 | — |
| 5 | Ethridge Heating and Air | 63 | 4.9★ (979) | Birmingham, 10 mi away | 24/7 | — |
| 6 | Alabama Cooling and Heating | 63 | 5.0★ (151) | Birmingham, 1 mi away | 24/7 | — |
| 7 | Skelton's Heating, Cooling & Plumbing | 63 | 5.0★ (2,961) | Birmingham, 19 mi away | 24/7 | — |
| 8 | Standard Heating, Cooling & Plumbing | 63 | 4.9★ (1,888) | Birmingham, 15 mi away | 24/7 | — |
| 9 | Doyal Heating & Cooling | 62 | 5.0★ (167) | Oneonta, 4 mi away | 24/7 | — |
| 10 | Guin Service, LLC | 62 | 4.9★ (1,185) | Irondale, 8 mi away | Sat · Sun | — |
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: 4.7★ from 3,209 Google reviews, listed on Google as “HVAC contractor”.
Based in Trussville, 4 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,273 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 5 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 1,124 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 5 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 810 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 979 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 1 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 19 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 2,961 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,888 Google reviews, listed on Google as “HVAC contractor”.
Based in Oneonta, 4 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 167 Google reviews, listed on Google as “HVAC contractor”.
Based in Irondale, 8 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,185 Google reviews, listed on Google as “HVAC contractor”.
Based in Irondale, 6 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 240 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 950 Google reviews, listed on Google as “HVAC contractor”.
Based in Hueytown, 24 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 3,134 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 1 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 113 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 16 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 425 Google reviews, listed on Google as “HVAC contractor”.
Based in Fultondale, 10 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 198 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 19 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 2,254 Google reviews, listed on Google as “HVAC contractor”.
Based in Hoover, 18 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 8,308 Google reviews, the most in Grayson Valley.
Based in Birmingham, 15 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 432 Google reviews, listed on Google as “HVAC contractor”.
Based in Birmingham, 15 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 302 Google reviews, listed on Google as “HVAC contractor”.
Based in Leeds, 9 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 168 Google reviews, listed on Google as “HVAC contractor”.
Based in Grayson Valley
Ranked #22 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based in Gadsden, 19 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 305 Google reviews, listed on Google as “HVAC contractor”.
Based in Moody, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “HVAC contractor”.
Based in Leeds, 9 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 77 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 251 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 |
|---|---|---|
| Air -Tech Inc | 5.0★ (2) | 18 mi |
| Alabama Cooling & Heating | 4.5★ (2) | 10 mi |
| Alpine Services, Inc | 3.5★ (2) | 20 mi |
| Blankenship Heating & Cooling, LLC | 4.9★ (54) | 19 mi |
| CovaAir LLC | 5.0★ (2) | 12 mi |
| Douglas Cooling Heating Electrical Plumbing | 4.8★ (150) | 23 mi |
| Engle Services Heating & Air - Electrical - Plumbing | 4.8★ (68) | 21 mi |
| Engle Services Heating & Air -Electrical - Plumbing | 5.0★ (2) | 17 mi |
| Family Comfort Heating And Cooling | 5.0★ (2) | 15 mi |
| Hardy Services | 5.0★ (2) | 12 mi |
| Hatcher Maintenance and Repair LLC | 5.0★ (2) | 12 mi |
| Infinity Air Solutions | 5.0★ (59) | 19 mi |
| Mastercraft Heating Cooling & Plumbing Co.Inc. | 4.1★ (63) | 10 mi |
| Mulvehill heating and air | 3.0★ (2) | 10 mi |
| Overflow Heating & Cooling, Llc | 4.4★ (29) | 11 mi |
| Peak Performance | 4.0★ (2) | 16 mi |
| PR Heating & Cooling Solutions Fairfield | 5.0★ (2) | 20 mi |
| Tiger Mechanical Service | 5.0★ (26) | 14 mi |
| Wade Heating & Air | 4.8★ (183) | 24 mi |
| Walker Heating and Air | 5.0★ (1) | In Grayson Valley |
National price ranges in USD, not adjusted for Grayson Valley. 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 251 Grayson Valley 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 Grayson Valley 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 |