44 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in St. Marys: Milt's Air Conditioning & Heating, CR Score 65/100; 4.9★ from 792 Google reviews; open 24/7.
Best for emergencies (open 24/7): Ed's Comfort Solutions, posts 24/7 hours; ranked #2 of 44.
Most-reviewed: Comfort Zone of North Florida Inc., 883 Google reviews at 4.8★, the most of 44 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
44 St. Marys HVAC contractors are ranked here by CR Score, from ten published factors. 17 are open 24/7, 26 open Saturdays and 21 open Sundays, based on posted hours. The median Google rating is 5.0★ across 44 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Milt's Air Conditioning & Heating | 65 | 4.9★ (792) | Fernandina Beach, 12 mi away | 24/7 | Overall |
| 2 | Ed's Comfort Solutions | 64 | 4.9★ (356) | Yulee, 8 mi away | 24/7 | Emergencies |
| 3 | Backs Mechanical | 64 | 4.9★ (100) | St. Marys | 24/7 | — |
| 4 | Comfort Zone of North Florida Inc. | 64 | 5.0★ (159) | Yulee, 6 mi away | 24/7 | — |
| 5 | Amelia’s Best Comfort Solutions | 64 | 5.0★ (199) | Fernandina Beach, 8 mi away | 24/7 | — |
| 6 | Snyder Air Conditioning, Plumbing & Electric | 64 | 4.9★ (220) | Fernandina Beach, 7 mi away | 24/7 | — |
| 7 | Comfort Zone of North Florida Inc. | 63 | 4.8★ (883) | Jacksonville, 19 mi away | 24/7 | Most reviews |
| 8 | Johnny's AC, LLC | 62 | 5.0★ (75) | Fernandina Beach, 8 mi away | 24/7 | — |
| 9 | Coastal Cooling Services, Inc. | 60 | 5.0★ (160) | Fernandina Beach, 20 mi away | 24/7 | — |
| 10 | Bryant's Cooling & Heating | 59 | 4.8★ (135) | St. Marys | — | — |
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 792 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Yulee, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 356 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Marys
Ranked #3 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Yulee, 6 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 159 Google reviews, listed on Google as “Air conditioning repair service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 8 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 199 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 7 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 220 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jacksonville, 19 mi away
Ranked #7 because of its Google rating and review volume: 4.8★ from 883 Google reviews, the most in St. Marys.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 8 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 20 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Marys
Ranked #10 because of its Google rating and trade focus: 4.8★ from 135 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 13 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Folkston, 20 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 159 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nassau Village-Ratliff, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 100 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 12 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Marys
Ranked #15 because of its Google rating and trade focus: 4.6★ from 121 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Marys
Ranked #16 because of its Google rating and trade focus: 4.4★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jacksonville, 13 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 22 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 11 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 113 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Yulee, 7 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 28 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 12 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Yulee, 4 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fernandina Beach, 12 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. Marys
Ranked #24 because of its Google rating and trade focus: 4.3★ from 27 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Jacksonville, 24 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 176 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #44, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Maxwell Duct Clean | 55 | 5.0★ (3) | 10 mi |
| 27 | Mason's Air Conditioning & Heat | 53 | 4.3★ (41) | 8 mi |
| 28 | AC Service Center | 53 | 4.3★ (74) | 11 mi |
| 29 | Stafford Services | 53 | 5.0★ (25) | 14 mi |
| 30 | Higginbotham Heating & Air LLC | 53 | 5.0★ (9) | 20 mi |
| 31 | HWK Mechanical Inc | 53 | 5.0★ (9) | 20 mi |
| 32 | JRT Custom Climates Inc | 53 | 5.0★ (3) | 20 mi |
| 33 | First Choice Car Care | 53 | 4.6★ (180) | 7 mi |
| 34 | Simply Duct Cleaning Co | 52 | 4.7★ (3) | 9 mi |
| 35 | Peacock Electric Incorporated | 52 | 5.0★ (7) | 8 mi |
| 36 | Anderson Air Conditioning Inc | 52 | 3.7★ (19) | 8 mi |
| 37 | Island Service Group | 52 | 5.0★ (7) | 9 mi |
| 38 | Sears Heating and Air Conditioning | 52 | 2.7★ (3) | In St. Marys |
| 39 | K. O. Electric, Heating & Air Inc | 51 | 4.6★ (48) | 20 mi |
| 40 | Tri-State hvac Solutions LLC | 51 | 5.0★ (11) | 22 mi |
| 41 | Orender's Heating & Air | 51 | 4.5★ (8) | 21 mi |
| 42 | Eby Heating & Air LLC. | 49 | 5.0★ (17) | 25 mi |
| 43 | A1A Solar Contracting, Inc. | 49 | 4.7★ (483) | 21 mi |
| 44 | Rocky Readdick Electric | 44 | 5.0★ (3) | 8 mi |
16 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 |
|---|---|---|
| AC Pro's LLC | In St. Marys | |
| B & W South Inc | 5.0★ (1) | 24 mi |
| Bryant´s Cooling & Heating | 5.0★ (1) | 9 mi |
| Callahan Pro Heating & Air | 5.0★ (2) | 24 mi |
| Chirinos HVAC Ductwork LLC | 5.0★ (2) | 17 mi |
| Healthy Homes Of NFL | 8 mi | |
| Hodges Electric & Air Conditioning Inc | 3.0★ (2) | 10 mi |
| Independent Air-General Maintenance and Repair | 5.0★ (1) | 20 mi |
| Jenkins Property Solutions, Inc. | 3.0★ (2) | 8 mi |
| Landrum AC Inc | 21 mi | |
| Miles Heat & Air, LLC | 5.0★ (1) | 20 mi |
| Pure Air | 5.0★ (1) | 12 mi |
| PureAir Duct Cleaning Service | 5.0★ (2) | In St. Marys |
| Shaw Heating & Air Conditioning | 5.0★ (2) | 21 mi |
| Wollitz Heat & Air Inc | 5.0★ (2) | 9 mi |
| Yulee AC Repair Pros | 1.0★ (1) | 8 mi |
National price ranges in USD, not adjusted for St. Marys. 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 Georgia, Georgia State Construction Industry Licensing Board licenses Conditioned air contractor licenses (Division of Conditioned Air Contractors).
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 Georgia, 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 44 St. Marys 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 St. Marys 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 |