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ContractorsRanked

Best HVAC Contractors in Acworth, GA (2026)

276 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Acworth: Cool Air Mechanical, CR Score 94/100; 4.9★ from 10,810 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Coolray Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 276.

  3. 2

    Most-reviewed: Coolray Heating & Air Conditioning, 10,615 Google reviews at 4.8★, the most of 276 ranked after Cool Air Mechanical; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

276 Acworth HVAC contractors are ranked here by CR Score, from 8 published factors. 96 are open 24/7, 200 open Saturdays and 150 open Sundays, based on posted hours. The median Google rating is 4.9★ across 276 rated businesses.

Top 10 HVAC contractors in Acworth at a glance

Top 10 HVAC contractors in Acworth at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Cool Air Mechanical944.9★ (10,810)Marietta, 10 mi away24/7Overall
2Coolray Heating & Air Conditioning934.8★ (10,615)Marietta, 10 mi away24/7Emergencies, Most reviews
3E. Dennis Heating, Cooling, Plumbing & Electrical924.9★ (4,846)Marietta, 13 mi away24/7—
4E. Smith Heating & Air Conditioning914.9★ (1,775)Marietta, 10 mi away24/7—
5Guardian Home Experts- Heating, Air, Plumbing & Electrical914.9★ (1,303)Cartersville, 10 mi away24/7—
6HVAC Bee905.0★ (582)Woodstock, 10 mi away24/7—
7Summit905.0★ (529)Marietta, 12 mi away24/7—
8Casteel Heating, Cooling, Plumbing & Electrical894.8★ (10,009)Marietta, 10 mi away24/7—
9Rieger Mechanical Heating & Cooling895.0★ (282)AcworthSat · Sun—
10Air Force Heating & Air884.8★ (1,194)Marietta, 15 mi away24/7—

The 276 best HVAC contractors in Acworth, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Acworth

    #1 Cool Air Mechanical

    Based in Marietta, 10 mi away

    94/100CR Score

    Ranked #1 because of its Google rating and availability: 4.9★ from 10,810 Google reviews, open 24/7.

    • 4.9★ from 10,810 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1950 Guffin Ln, Marietta, GA 30066
    View profile for Cool Air Mechanical(470) 531-5480

  6. #6 HVAC Bee

    Based in Woodstock, 10 mi away

    90/100CR Score

    Ranked #6 because of its Google rating and availability: 5.0★ from 582 Google reviews, open 24/7.

    • 5.0★ from 582 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    715 Hammond Dr, Woodstock, GA 30188
    View profile for HVAC Bee(678) 327-8360

  7. #7 Summit

    Based in Marietta, 12 mi away

    90/100CR Score

    Ranked #7 because of its Google rating and availability: 5.0★ from 529 Google reviews, open 24/7.

    • 5.0★ from 529 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    51 Austin Ave NE, Marietta, GA 30060
    View profile for Summit(770) 282-9545

  22. #22 The Air Company

    Based in Atlanta, 20 mi away

    87/100CR Score

    Ranked #22 because of its Google rating and availability: 5.0★ from 361 Google reviews, open 24/7.

    • 5.0★ from 361 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Glenlake Pkwy NE Suite 130, Atlanta, GA 30328
    View profile for The Air Company(404) 583-7788

  23. #23 United Air Temp

    Based in Marietta, 16 mi away

    87/100CR Score

    Ranked #23 because of its Google rating and availability: 4.8★ from 497 Google reviews, open 24/7.

    • 4.8★ from 497 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1240 Johnson Ferry Pl Building - C Suite #220, Marietta, GA 30068
    View profile for United Air Temp(770) 999-0314

HVAC contractors ranked #26 to #50

#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 276 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Acworth, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Excel Mechanical Solutions875.0★ (91)13 mi
27Airworx North Atlanta875.0★ (137)16 mi
28Cool Air Experts865.0★ (25)5 mi
29RS Andrews864.9★ (159)15 mi
30Staton Heating & Air Inc864.9★ (754)23 mi
31Dayco Systems Heating & Cooling864.9★ (1,655)In Acworth
32MARService Heating & Air Conditioning864.8★ (53)7 mi
33A TEAM SERVICES Heating & Air864.6★ (193)9 mi
34Southern Airflow Advisors864.9★ (94)14 mi
35Cary Moody Heating & Air864.9★ (493)24 mi
36Assured Comfort Heating, Air, Plumbing854.7★ (147)13 mi
37Climate Heroes Air Conditioning855.0★ (163)21 mi
38Aaron Plumbing855.0★ (108)19 mi
39Reliable Heating & Air, Plumbing and Electrical - Alpharetta854.8★ (510)22 mi
40Aire Serv of Woodstock855.0★ (21)10 mi
41Self Brothers Heating & Cooling855.0★ (449)15 mi
42TempTide855.0★ (24)11 mi
43Cool Max HVAC854.9★ (245)24 mi
44Andrews Mechanical Solutions854.9★ (339)In Acworth
45Superior Indoor Comfort, Inc.854.8★ (424)24 mi
46Ace Tech855.0★ (241)14 mi
47Wilson Air Conditioning Service, Inc.844.7★ (76)13 mi
48Comfort844.8★ (138)19 mi
49Majestic Plumbing, Electric & HVAC844.7★ (709)11 mi
50Comfort Medics Heating&Cooling LLC845.0★ (12)6 mi

Also serving Acworth

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.

Unranked HVAC contractors serving Acworth
BusinessGoogle ratingDistance
2020 Appliances Repair LLLP5.0★ (2)12 mi
ABSOLUTE APPLIANCE REPAIR, INC5.0★ (2)12 mi
Accurate Services Inc5.0★ (2)25 mi
amj heating & air5.0★ (2)16 mi
Central Heating & Air Conditioning5.0★ (2)17 mi
Cochran Heating & Air2.0★ (1)9 mi
Emperial Heating and Air LLC3.0★ (2)11 mi
Gibby Mechanical HVAC, LLC5.0★ (1)14 mi
GUARANTEED Cooling & Heating5.0★ (1)13 mi
Hanratty Heating and Cooling, LLC5.0★ (2)16 mi
Leo Handyman Services L.L.C.5.0★ (1)11 mi
Mechanical Services, Inc.5.0★ (1)15 mi
Pars Air LLC5.0★ (2)12 mi
Reliable Heating Pros - Marietta2.5★ (2)15 mi
Shepherd's Home Repair4.0★ (2)19 mi
SLAM Heating & Cooling5.0★ (264)21 mi
Turbaire One HVAC5.0★ (2)25 mi
Universal Time Solutions5.0★ (2)14 mi
Woodstock Classic Air Conditioning Repair1.0★ (1)11 mi
Z & L Plumbing & Heating1.0★ (2)13 mi

How much do HVAC contractors cost in Acworth?

National price ranges in USD, not adjusted for Acworth. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Acworth?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in Georgia

In Georgia, Georgia State Construction Industry Licensing Board licenses Conditioned air contractor licenses (Division of Conditioned Air Contractors).

  1. Search the business name or license number on the Georgia State Construction Industry Licensing Board license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

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

When to hire an HVAC contractor in Georgia

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.

How we ranked Acworth HVAC contractors

We scored 276 Acworth HVAC contractors on 8 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. Unknown factors are left out of the score, 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Acworth data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Acworth: frequently asked questions

Who is the best HVAC contractor in Acworth?

By CR Score, the highest-ranked HVAC contractor in Acworth, GA is Cool Air Mechanical with a CR Score of 94/100. It has 4.9★ from 10,810 Google reviews. It is open 24/7. Coolray Heating & Air Conditioning (#2) and E. Dennis Heating, Cooling, Plumbing & Electrical (#3) follow. We ranked 276 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Acworth?

ContractorsRanked ranks 276 HVAC contractors serving Acworth, GA. 3 of them are based in Acworth; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Acworth are open 24/7?

96 ranked HVAC contractors in Acworth post 24/7 hours. The highest-ranked are Cool Air Mechanical (#1), Coolray Heating & Air Conditioning (#2) and E. Dennis Heating, Cooling, Plumbing & Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Acworth work on weekends?

200 of 276 ranked HVAC contractors post Saturday hours and 150 post Sunday hours. The highest-ranked open Saturdays are Cool Air Mechanical (#1), Coolray Heating & Air Conditioning (#2) and E. Dennis Heating, Cooling, Plumbing & Electrical (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Georgia?

In Georgia, Georgia State Construction Industry Licensing Board handles licensing and covers Conditioned air contractor licenses (Division of Conditioned Air Contractors). Search the business or license number at https://verify.sos.ga.gov/verification/.

How much does ac replacement cost in Acworth?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Acworth. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Acworth HVAC contractors have?

The median Google rating among 276 rated HVAC contractors in Acworth is 4.9★, with a median of 35 reviews. Cool Air Mechanical has the most, 10,810 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Acworth?

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.

Update log for Acworth

  1. October 2026: CR Scores recalculated for 276 hvac contractors serving Acworth.
  2. October 2026: 2 duplicate listings merged.

More HVAC contractors and Acworth pages

Other trades in Acworth