429 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lithia Springs: Assured Comfort Heating, Air, Plumbing, CR Score 64/100; 4.8★ from 3,674 Google reviews; open 24/7.
Best for emergencies (open 24/7): Cool Air Mechanical, posts 24/7 hours; ranked #2 of 429.
Most-reviewed: Cool Air Mechanical, 10,810 Google reviews at 4.9★, the most of 429 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
429 Lithia Springs HVAC contractors are ranked here by CR Score, from ten published factors. 138 are open 24/7, 313 open Saturdays and 217 open Sundays, based on posted hours. The median Google rating is 4.9★ across 429 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Assured Comfort Heating, Air, Plumbing | 64 | 4.8★ (3,674) | Douglasville, 7 mi away | 24/7 | Overall |
| 2 | Cool Air Mechanical | 64 | 4.9★ (10,810) | Marietta, 16 mi away | 24/7 | Emergencies, Most reviews |
| 3 | E. Dennis Heating, Cooling, Plumbing & Electrical | 64 | 4.9★ (4,846) | Marietta, 14 mi away | 24/7 | — |
| 4 | Coolray Heating & Air Conditioning | 63 | 4.8★ (10,615) | Marietta, 16 mi away | 24/7 | — |
| 5 | H & H Mechanical, Inc. | 63 | 4.9★ (435) | Austell, 1 mi away | 24/7 | — |
| 6 | Comfort Solutions Heating & Cooling LLC | 63 | 4.9★ (1,371) | Villa Rica, 11 mi away | 24/7 | — |
| 7 | Moncrief Heating & Air Conditioning | 62 | 4.8★ (3,152) | Atlanta, 14 mi away | 24/7 | — |
| 8 | Cary Moody Heating & Air | 62 | 4.9★ (493) | Douglasville, 7 mi away | 24/7 | — |
| 9 | E. Smith Heating & Air Conditioning | 62 | 4.9★ (1,775) | Marietta, 14 mi away | 24/7 | — |
| 10 | Air Force Heating & Air | 61 | 4.8★ (1,194) | Marietta, 13 mi away | 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 in Lithia Springs
Based in Douglasville, 7 mi away
Ranked #1 because of its Google rating and trade focus: 4.8★ from 3,674 Google reviews, listed on Google as “HVAC contractor”.
Based in Marietta, 16 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 10,810 Google reviews, listed on Google as “HVAC contractor”.
Based in Marietta, 14 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 4,846 Google reviews, listed on Google as “HVAC contractor”.
Based in Marietta, 16 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 10,615 Google reviews, listed on Google as “HVAC contractor”.
Based in Austell, 1 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 435 Google reviews, listed on Google as “HVAC contractor”.
Based in Villa Rica, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 1,371 Google reviews, listed on Google as “HVAC contractor”.
Based in Atlanta, 14 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 3,152 Google reviews, listed on Google as “HVAC contractor”.
Based in Douglasville, 7 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 493 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Marietta, 14 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 1,775 Google reviews, listed on Google as “HVAC contractor”.
Based in Marietta, 13 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,194 Google reviews, listed on Google as “HVAC contractor”.
Based in Marietta, 13 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 529 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Canton, 21 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 2,157 Google reviews, listed on Google as “HVAC contractor”.
Based in Smyrna, 11 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 339 Google reviews, listed on Google as “HVAC contractor”.
Based in Fayetteville, 23 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 4,184 Google reviews, listed on Google as “HVAC contractor”.
Based in Lithia Springs
Ranked #15 because of its Google rating and trade focus: 4.7★ from 236 Google reviews, listed on Google as “HVAC contractor”.
Based in Marietta, 13 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 312 Google reviews, listed on Google as “HVAC contractor”.
Based in Atlanta, 18 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 508 Google reviews, listed on Google as “HVAC contractor”.
Based in Villa Rica, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 287 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Marietta, 13 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 408 Google reviews, listed on Google as “HVAC contractor”.
Based in Lithia Springs
Ranked #20 because of its Google rating and trade focus: 4.8★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based in Douglasville, 4 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 542 Google reviews, listed on Google as “HVAC contractor”.
Based in Atlanta, 12 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 267 Google reviews, listed on Google as “HVAC contractor”.
Based in Marietta, 13 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 449 Google reviews, listed on Google as “HVAC contractor”.
Based in Marietta, 17 mi away
Ranked #24 because of its Google rating and review volume: 4.8★ from 10,009 Google reviews.
Based in Atlanta, 18 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 4,617 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 429 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 |
|---|---|---|
| 2020 Appliances Repair LLLP | 5.0★ (2) | 11 mi |
| Affordable Service and Repair LLC | 5.0★ (8) | 4 mi |
| All Pro Mechanical of North Atlanta | 5.0★ (2) | 21 mi |
| Americool Air Conditioning Heating Inc. | 4.9★ (256) | 23 mi |
| Central Heating & Air Conditioning | 5.0★ (2) | 11 mi |
| Cooling Parts Southeast | 4.0★ (2) | 19 mi |
| Divine Comfort Heating and Cooling LLC | 5.0★ (113) | 20 mi |
| EME Construction | 5.0★ (2) | 19 mi |
| Emperial Heating and Air LLC | 3.0★ (2) | 13 mi |
| Fulton Services | 4.3★ (61) | 11 mi |
| Galgon HVAC & Mechanical Service, Inc. | 4.7★ (37) | 12 mi |
| KC A/C & Heat | 5.0★ (2) | 20 mi |
| LBC Service | 3.0★ (2) | 21 mi |
| Locklear Service Company, LLC | 5.0★ (2) | 14 mi |
| Magho HVAC, LLC | 5.0★ (2) | 15 mi |
| Reliable Heating Pros - Marietta | 2.5★ (2) | 13 mi |
| Shepherd's Home Repair | 4.0★ (2) | 3 mi |
| Southern Airflow Advisors | 4.9★ (94) | 17 mi |
| Turner Heating & Air Conditioning | 3.5★ (2) | 15 mi |
| Universal Time Solutions | 5.0★ (2) | 13 mi |
National price ranges in USD, not adjusted for Lithia Springs. 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 429 Lithia Springs 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 Lithia Springs 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 |