229 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Winder: Casteel Heating, Cooling, Plumbing & Electrical, CR Score 65/100; 4.9★ from 6,399 Google reviews; open 24/7.
Best for emergencies (open 24/7): Service 1st Pros Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 229.
Most-reviewed: Peachtree Service Experts, 6,700 Google reviews at 4.9★, the most of 229 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
229 Winder HVAC contractors are ranked here by CR Score, from ten published factors. 70 are open 24/7, 148 open Saturdays and 93 open Sundays, based on posted hours. The median Google rating is 4.9★ across 229 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Casteel Heating, Cooling, Plumbing & Electrical | 65 | 4.9★ (6,399) | Lawrenceville, 14 mi away | 24/7 | Overall |
| 2 | Service 1st Pros Heating & Air Conditioning | 64 | 4.8★ (2,078) | Auburn, 7 mi away | 24/7 | Emergencies |
| 3 | Comfort Tech Inc. | 64 | 5.0★ (260) | Winder | 24/7 | — |
| 4 | Keep Smiling Plumbing Electric Heating and Cooling | 63 | 4.9★ (3,664) | Loganville, 15 mi away | 24/7 | — |
| 5 | Peachtree Service Experts | 63 | 4.9★ (6,700) | Duluth, 22 mi away | 24/7 | Most reviews |
| 6 | Reliable Heating & Air, Plumbing and Electrical - Grayson | 63 | 4.8★ (3,335) | Snellville, 15 mi away | 24/7 | — |
| 7 | Air Conditioning Doctors Of America | 63 | 4.9★ (149) | Winder | 24/7 | — |
| 8 | Coolray Heating & Air Conditioning | 63 | 4.8★ (6,685) | Suwanee, 20 mi away | 24/7 | — |
| 9 | Ragsdale Heating, Air, Plumbing & Electrical | 63 | 4.9★ (1,409) | Loganville, 13 mi away | 24/7 | — |
| 10 | Techmazing Heating and Cooling | 63 | 5.0★ (898) | Loganville, 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 Winder
Based in Lawrenceville, 14 mi away
Ranked #1 because of its Google rating and trade focus: 4.9★ from 6,399 Google reviews, listed on Google as “HVAC contractor”.
Based in Auburn, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 2,078 Google reviews, listed on Google as “HVAC contractor”.
Based in Winder
Ranked #3 because of its Google rating and trade focus: 5.0★ from 260 Google reviews, listed on Google as “HVAC contractor”.
Based in Loganville, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 3,664 Google reviews, listed on Google as “HVAC contractor”.
Based in Duluth, 22 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 6,700 Google reviews, the most in Winder.
Based in Snellville, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 3,335 Google reviews, listed on Google as “HVAC contractor”.
Based in Winder
Ranked #7 because of its Google rating and trade focus: 4.9★ from 149 Google reviews, listed on Google as “HVAC contractor”.
Based in Suwanee, 20 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 6,685 Google reviews.
Based in Loganville, 13 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 1,409 Google reviews, listed on Google as “HVAC contractor”.
Based in Loganville, 13 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 898 Google reviews, listed on Google as “Heating contractor”.
Based in Monroe, 8 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 497 Google reviews, listed on Google as “Furnace repair service”.
Based in Winder
Ranked #12 because of its Google rating and trade focus: 4.8★ from 540 Google reviews, listed on Google as “HVAC contractor”.
Based in Loganville, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,653 Google reviews, listed on Google as “HVAC contractor”.
Based in Winder
Ranked #14 because of its Google rating and trade focus: 4.7★ from 172 Google reviews, listed on Google as “HVAC contractor”.
Based in Flowery Branch, 19 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 3,162 Google reviews, listed on Google as “HVAC contractor”.
Based in Monroe, 13 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 435 Google reviews, listed on Google as “HVAC contractor”.
Based in Winder
Ranked #17 because of its Google rating and trade focus: 4.9★ from 438 Google reviews, listed on Google as “HVAC contractor”.
Based in Suwanee, 19 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,117 Google reviews, listed on Google as “HVAC contractor”.
Based in Buford, 19 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 615 Google reviews, listed on Google as “HVAC contractor”.
Based in Loganville, 14 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 538 Google reviews, listed on Google as “HVAC contractor”.
Based in Winder
Ranked #21 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Buford, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 426 Google reviews, listed on Google as “HVAC contractor”.
Based in Winder
Ranked #23 because of its Google rating and trade focus: 4.7★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based in Winder
Ranked #24 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “HVAC contractor”.
Based in Buford, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 4,043 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 229 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 New Day Construction | 4.9★ (174) | In Winder |
| Air Conditioning Doctors of America | 3.0★ (2) | 6 mi |
| Beck Mechanical Heating & AC | 5.0★ (2) | 13 mi |
| Checkered Flag Plumbing | 5.0★ (6) | In Winder |
| Comfort Air Solutions LLC | 5.0★ (13) | 10 mi |
| Curt's Dependable Heating & Air - Braselton | 3.9★ (29) | 9 mi |
| Devoted Heating and Air Conditioning | 5.0★ (21) | 19 mi |
| Expert Snellville HVAC Services | 5.0★ (36) | 22 mi |
| Express Heating & Air Conditioning | 5.0★ (2) | In Winder |
| Extreme Trades Electric & Lighting | 4.9★ (108) | In Winder |
| Garner Plumbing Services | 4.3★ (77) | In Winder |
| GEO POWER HVAC, LLC | 5.0★ (10) | 14 mi |
| Happy HVAC Solutions, LLC | 5.0★ (10) | 17 mi |
| Impact HVAC Service | 5.0★ (1) | In Winder |
| JML Heating, Air, & Electrical | 5.0★ (1) | In Winder |
| Millennial Air HVAC | In Winder | |
| Peoples Plumber | 4.9★ (178) | In Winder |
| Richard & Son's Plumbing | 1.0★ (1) | In Winder |
| SJA All Services | In Winder | |
| Synergy Services Heating and Cooling | 5.0★ (10) | 5 mi |
National price ranges in USD, not adjusted for Winder. 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 229 Winder 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 Winder 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 |