447 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Riverdale: Reliable Heating & Air, Plumbing and Electrical - Fayetteville, CR Score 66/100; 4.8★ from 4,184 Google reviews; open 24/7.
Best for emergencies (open 24/7): Hammond Services | Heating & Air, Plumbing, Electrical, posts 24/7 hours; ranked #2 of 447.
Most-reviewed: Hammond Services, 5,835 Google reviews at 4.9★, the most of 447 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
447 Riverdale HVAC contractors are ranked here by CR Score, from ten published factors. 131 are open 24/7, 320 open Saturdays and 200 open Sundays, based on posted hours. The median Google rating is 4.9★ across 447 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Reliable Heating & Air, Plumbing and Electrical - Fayetteville | 66 | 4.8★ (4,184) | Fayetteville, 4 mi away | 24/7 | Overall |
| 2 | Hammond Services | Heating & Air, Plumbing, Electrical | 64 | 5.0★ (895) | Stockbridge, 8 mi away | 24/7 | Emergencies |
| 3 | Estes Services | 63 | 4.9★ (4,617) | Atlanta, 5 mi away | Sat · Evenings | — |
| 4 | Peachtree Service Experts | 63 | 4.8★ (605) | Morrow, 4 mi away | 24/7 | — |
| 5 | Assured Comfort Heating, Air, Plumbing | 63 | 4.8★ (3,674) | Douglasville, 16 mi away | 24/7 | — |
| 6 | Trinity Air Heating & Air Conditioning | 63 | 4.9★ (2,677) | Peachtree City, 17 mi away | 24/7 | — |
| 7 | Moncrief Heating & Air Conditioning | 63 | 4.8★ (3,152) | Atlanta, 16 mi away | 24/7 | — |
| 8 | All Stars Heating and Air | 63 | 4.9★ (252) | Union City, 4 mi away | 24/7 | — |
| 9 | E. Dennis Heating, Cooling, Plumbing & Electrical | 63 | 4.9★ (2,126) | Peachtree City, 16 mi away | 24/7 | — |
| 10 | Hammond Services | 63 | 4.9★ (5,835) | Griffin, 22 mi away | 24/7 | Most reviews |
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 Riverdale
Based in Fayetteville, 4 mi away
Ranked #1 because of its Google rating and trade focus: 4.8★ from 4,184 Google reviews, listed on Google as “HVAC contractor”.
Based in Stockbridge, 8 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 895 Google reviews, listed on Google as “HVAC contractor”.
Based in Atlanta, 5 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 4,617 Google reviews, listed on Google as “HVAC contractor”.
Based in Morrow, 4 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 605 Google reviews, listed on Google as “HVAC contractor”.
Based in Douglasville, 16 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 3,674 Google reviews, listed on Google as “HVAC contractor”.
Based in Peachtree City, 17 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 2,677 Google reviews, listed on Google as “HVAC contractor”.
Based in Atlanta, 16 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 Union City, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 252 Google reviews, listed on Google as “Heating contractor”.
Based in Peachtree City, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 2,126 Google reviews, listed on Google as “HVAC contractor”.
Based in Griffin, 22 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 5,835 Google reviews, the most in Riverdale.
Based in Fayetteville, 9 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 335 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverdale
Ranked #12 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “HVAC contractor”.
Based in Fayetteville, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 914 Google reviews, listed on Google as “HVAC contractor”.
Based in Stockbridge, 13 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 506 Google reviews, listed on Google as “Furnace repair service”.
Based in Canton, 23 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 2,157 Google reviews, listed on Google as “HVAC contractor”.
Based in Stockbridge, 8 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 180 Google reviews, listed on Google as “HVAC contractor”.
Based in Druid Hills, 3 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 138 Google reviews, listed on Google as “HVAC contractor”.
Based in Atlanta, 10 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 267 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverdale
Ranked #19 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Newnan, 10 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 337 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverdale
Ranked #21 because of its Google rating and trade focus: 4.3★ from 179 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverdale
Ranked #22 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based in Conyers, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 1,334 Google reviews, listed on Google as “HVAC contractor”.
Based in Fayetteville, 9 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 175 Google reviews, listed on Google as “HVAC contractor”.
Based in Riverdale
Ranked #25 because of its Google rating and trade focus: 4.8★ from 71 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 447 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 |
|---|---|---|
| 4surefix Heating Air and Refrigeration LLC | In Riverdale | |
| AC & HEAT and APPLIANCES | 3.0★ (2) | In Riverdale |
| At Home Air | In Riverdale | |
| ATLANTA HVAC PROS | 4.8★ (57) | 18 mi |
| Cooling Parts Southeast | 4.0★ (2) | 3 mi |
| Diamond Heating & Air Conditioning | 4.7★ (85) | 15 mi |
| Dunson Mechanical | In Riverdale | |
| EE HVAC Heating and Air | 4.8★ (24) | 11 mi |
| Innovative Mechanical, LLC | 4.9★ (312) | 24 mi |
| LBC Service | 3.0★ (2) | In Riverdale |
| Magho HVAC, LLC | 5.0★ (2) | 8 mi |
| Masters Pro Heating & Cooling | 5.0★ (8) | 5 mi |
| OneCall Services LLC | 5.0★ (2) | In Riverdale |
| Perfect Climate HVAC | 5.0★ (2) | 8 mi |
| Quan Chin S HVAC and Appliances | 1.0★ (1) | In Riverdale |
| Reginald O. Lawrence Services | 4.2★ (10) | 6 mi |
| SLAM Heating & Cooling | 5.0★ (264) | 20 mi |
| Top Notch Home Services | 2.8★ (18) | In Riverdale |
| Total Climate Control | In Riverdale | |
| Turner Heating & Air Conditioning | 3.5★ (2) | 9 mi |
National price ranges in USD, not adjusted for Riverdale. 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 447 Riverdale 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 Riverdale 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 |