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Emergency HVAC Contractors in Roswell, GA (2026)

Top 50 of 589 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 Roswell: 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 Roswell at a glance

Top emergency HVAC contractors in Roswell at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Cool Air Mechanical664.9★ (10,810)Marietta, 10 mi away24/7
2Coolray Heating & Air Conditioning654.8★ (10,615)Marietta, 10 mi away24/7
3E. Dennis Heating, Cooling, Plumbing & Electrical654.9★ (4,846)Marietta, 10 mi away24/7
4Bardi Heating, Cooling, Plumbing, Electrical654.8★ (880)Roswell24/7
5Bardi Heating, Cooling, Plumbing, Electrical644.7★ (7,525)Norcross, 12 mi away24/7
6ANYTIME HEATING, COOLING AND PLUMBING644.9★ (2,157)Canton, 9 mi away24/7
7Peachtree Service Experts644.9★ (6,700)Duluth, 15 mi away24/7
8Neese Heating, AC and Plumbing634.9★ (1,955)Alpharetta, 11 mi away24/7
9E. Smith Heating & Air Conditioning634.9★ (1,775)Marietta, 11 mi away24/7
10Coolray Heating & Air Conditioning634.8★ (6,685)Suwanee, 17 mi away24/7

Call an emergency HVAC contractor in Roswell 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 Roswell, 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 589 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 Roswell

    #1 Cool Air Mechanical

    Based in Marietta, 10 mi away

    66/100CR 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 Rooter ProXpress

    Based in Norcross, 11 mi away

    63/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.6★ from 3,109 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 3,109 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    400 Lively Ave, Norcross, GA 30071
    View profile for Rooter ProXpress(770) 765-1414

  14. #14 United Air Temp

    Based in Marietta, 5 mi away

    63/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 497 Google reviews, listed on Google as “HVAC contractor”.

    • 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

  17. #17 The Air Company

    Based in Atlanta, 6 mi away

    63/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 361 Google reviews, listed on Google as “HVAC contractor”.

    • 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

  19. #19 Aaron Plumbing

    Based in Roswell

    62/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 108 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 108 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    615 Colonial Park Dr STE 201, Roswell, GA 30075
    View profile for Aaron Plumbing(770) 239-6628

  21. #21 Comfort

    Based in Roswell

    62/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.8★ from 138 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 138 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    570 Colonial Park Dr #314, Roswell, GA 30075
    View profile for Comfort(770) 637-9611

  23. #23 HVAC Bee

    Based in Woodstock, 10 mi away

    62/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 582 Google reviews, listed on Google as “HVAC contractor”.

    • 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

  25. #25 Cool Max HVAC

    Based in Alpharetta, 5 mi away

    62/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 245 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3000 Old Alabama Rd Ste 119-204, Alpharetta, GA 30022
    View profile for Cool Max HVAC(678) 749-7009

Top 50 of 589 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 Roswell, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Casteel Heating, Cooling, Plumbing & Electrical624.9★ (6,399)23 mi
27Summit625.0★ (529)11 mi
28United Air Temp624.8★ (703)10 mi
29Allgood Home Services624.4★ (4,353)14 mi
30Casteel Heating, Cooling, Plumbing & Electrical624.8★ (10,009)9 mi
31RS Andrews624.9★ (159)4 mi
32Superior Indoor Comfort, Inc.614.8★ (424)9 mi
33ANYTIME HEATING, COOLING AND PLUMBING614.8★ (408)10 mi
34MMI Home Improvement614.8★ (260)8 mi
35Innovative Mechanical, LLC614.9★ (312)11 mi
36Premier Indoor Comfort Systems614.8★ (1,047)16 mi
37SLAM Heating & Cooling615.0★ (264)12 mi
38Climate Heroes Air Conditioning614.9★ (1,117)19 mi
39Carter and Sons HVAC614.9★ (339)12 mi
40inAir Heating & Air Conditioning614.8★ (324)11 mi
41Southern Airflow Advisors604.9★ (94)7 mi
42Americool Air Conditioning Heating Inc.604.9★ (256)13 mi
43Reliable Heating & Air, Plumbing and Electrical - Grayson604.8★ (3,335)25 mi
44TempTide605.0★ (24)In Roswell
45Excel Mechanical Solutions605.0★ (91)9 mi
46Prime HVAC Contractors Roswell GA604.9★ (22)In Roswell
47Arctic Blast Heating & Air Conditioning604.9★ (182)12 mi
48Andy Lewis/Hobson Heating & Air604.8★ (462)15 mi
49Snappy Services - Electric, Plumbing, Heating & Air604.9★ (1,853)10 mi
50Southeast Heating and Cooling LLC605.0★ (615)21 mi

How we ranked emergency HVAC contractors in Roswell

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 Roswell: questions

Which HVAC contractors in Roswell are open 24/7?

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

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

Cool Air Mechanical is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Roswell 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?

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

Update log for Roswell

  1. October 2026: CR Scores recalculated for 589 hvac contractors serving Roswell.
  2. October 2026: 7 duplicate listings merged.

More emergency and heating and cooling pages