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Emergency HVAC Contractors in Austell, GA (2026)

Top 50 of 463 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Austell: Cool Air Mechanical, open 24/7.

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

Top emergency HVAC contractors in Austell at a glance

Top emergency HVAC contractors in Austell at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Cool Air Mechanical654.9★ (10,810)Marietta, 14 mi away24/7
2Assured Comfort Heating, Air, Plumbing654.8★ (3,674)Douglasville, 8 mi away24/7
3Coolray Heating & Air Conditioning644.8★ (10,615)Marietta, 14 mi away24/7
4E. Dennis Heating, Cooling, Plumbing & Electrical644.9★ (4,846)Marietta, 12 mi away24/7
5H & H Mechanical, Inc.644.9★ (435)Austell24/7
6Moncrief Heating & Air Conditioning634.8★ (3,152)Atlanta, 12 mi away24/7
7E. Smith Heating & Air Conditioning634.9★ (1,775)Marietta, 13 mi away24/7
8Comfort Solutions Heating & Cooling LLC624.9★ (1,371)Villa Rica, 13 mi away24/7
9Air Force Heating & Air624.8★ (1,194)Marietta, 11 mi away24/7
10Cary Moody Heating & Air624.9★ (493)Douglasville, 9 mi away24/7

Call an emergency HVAC contractor in Austell now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Austell, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 463 is on the HVAC contractors page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Austell

    #1 Cool Air Mechanical

    Based in Marietta, 14 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 10,810 Google reviews, listed on Google as “HVAC contractor”.

    • 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

  11. #11 Summit

    Based in Marietta, 11 mi away

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 529 Google reviews, listed on Google as “Air conditioning contractor”.

    • 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

  14. #14 Carter and Sons HVAC

    Based in Smyrna, 9 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 339 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 339 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1701 McCoba Dr SE Suite A, Smyrna, GA 30080
    View profile for Carter and Sons HVAC(770) 434-4095

  25. #25 Manny's Hvac Llc

    Based in Lithia Springs, 2 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 29 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 29 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1618 Crossings Dr, Lithia Springs, GA 30122
    View profile for Manny's Hvac Llc(404) 914-4650

Top 50 of 463 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Austell, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26The Air Company605.0★ (361)18 mi
27United Air Temp604.8★ (497)17 mi
28Assured Comfort Heating, Air, Plumbing604.6★ (257)11 mi
29Cunningham Associates604.8★ (1,107)22 mi
30HVAC Bee605.0★ (582)21 mi
31All Stars Heating and Air594.9★ (252)17 mi
32Assured Comfort Heating, Air, Plumbing594.7★ (147)12 mi
33Excel Mechanical Solutions595.0★ (91)13 mi
34GAR Inc., Heating & Cooling594.8★ (62)10 mi
35KBS Heating & Cooling Inc594.8★ (283)17 mi
36Bardi Heating, Cooling, Plumbing, Electrical594.8★ (880)24 mi
37Berry Good Heating and Air594.7★ (133)13 mi
38Snappy Services - Electric, Plumbing, Heating & Air594.9★ (1,853)15 mi
39Evans Heating and Air585.0★ (141)17 mi
40Southern Airflow Advisors584.9★ (94)15 mi
41Peachtree Service Experts584.8★ (605)24 mi
42Morgans Mechanical LLC585.0★ (14)6 mi
43Superior Douglasville HVAC Pros585.0★ (16)6 mi
44Americool Air Conditioning Heating Inc.584.9★ (256)21 mi
45RS Andrews584.9★ (159)19 mi
46Aire Serv of Smyrna584.6★ (50)11 mi
47Fulton Services584.3★ (61)9 mi
48Galgon HVAC & Mechanical Service, Inc.584.7★ (37)11 mi
49Mccravy Mechanical LLC585.0★ (11)6 mi
50Dynasty Heating and Air584.9★ (237)23 mi

How we ranked emergency HVAC contractors in Austell

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Austell: questions

Which HVAC contractors in Austell are open 24/7?

25 on this list post 24/7 hours, including Cool Air Mechanical, Assured Comfort Heating, Air, Plumbing, Coolray Heating & Air Conditioning, E. Dennis Heating, Cooling, Plumbing & Electrical and H & H Mechanical, Inc..

Who is ranked #1 for emergency heating and cooling in Austell, GA?

Cool Air Mechanical is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Austell ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Austell

  1. October 2026: CR Scores recalculated for 463 hvac contractors serving Austell.
  2. October 2026: 6 duplicate listings merged.

More emergency and heating and cooling pages