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Emergency HVAC Contractors in Canton, GA (2026)

Top 50 of 233 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 Canton: Premier Indoor Comfort Systems, 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 Canton at a glance

Top emergency HVAC contractors in Canton at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Premier Indoor Comfort Systems654.8★ (1,047)Canton24/7
2Cool Air Mechanical644.9★ (10,810)Marietta, 17 mi away24/7
3Coolray Heating & Air Conditioning644.8★ (10,615)Marietta, 17 mi away24/7
4HVAC Bee625.0★ (582)Woodstock, 10 mi away24/7
5E. Dennis Heating, Cooling, Plumbing & Electrical624.9★ (4,846)Marietta, 20 mi away24/7
6E. Smith Heating & Air Conditioning614.9★ (1,775)Marietta, 18 mi away24/7
7Neese Heating, AC and Plumbing614.9★ (1,955)Alpharetta, 19 mi away24/7
8Staton Heating & Air Inc614.9★ (754)Alpharetta, 16 mi away24/7
9Bardi Heating, Cooling, Plumbing, Electrical614.8★ (880)Roswell, 16 mi away24/7
10Guardian Home Experts- Heating, Air, Plumbing & Electrical614.9★ (1,303)Cartersville, 20 mi away24/7

Call an emergency HVAC contractor in Canton 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 Canton, 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 233 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.

  2. #2 Cool Air Mechanical

    Based in Marietta, 17 mi away

    64/100CR Score

    Ranked #2 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

  4. #4 HVAC Bee

    Based in Woodstock, 10 mi away

    62/100CR Score

    Ranked #4 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

  15. #15 Summit

    Based in Marietta, 20 mi away

    60/100CR Score

    Ranked #15 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

  19. #19 United Air Temp

    Based in Marietta, 18 mi away

    59/100CR Score

    Ranked #19 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

  23. #23 RS Andrews

    Based in Marietta, 15 mi away

    59/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 159 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 159 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2997 Johnson Ferry Rd, Marietta, GA 30062
    View profile for RS Andrews(404) 382-9296

  25. #25 The Air Company

    Based in Atlanta, 22 mi away

    59/100CR Score

    Ranked #25 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

Top 50 of 233 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 Canton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26ANYTIME HEATING, COOLING AND PLUMBING584.8★ (408)21 mi
27Cool Max HVAC584.9★ (245)19 mi
28Aaron Plumbing585.0★ (108)16 mi
29All Weather Heating and Air, LLC584.8★ (225)18 mi
30MARService Heating & Air Conditioning584.8★ (53)11 mi
31Snappy Services - Electric, Plumbing, Heating & Air584.9★ (1,853)16 mi
32Comfort584.8★ (138)16 mi
33Woodstock GA Premium HVAC Contractor585.0★ (15)6 mi
34Emergency Heating and Air Conditioning584.9★ (131)18 mi
35Innovative Mechanical, LLC584.9★ (312)23 mi
36Carter and Sons HVAC584.9★ (339)24 mi
37JE Mechanical Heating & Air584.9★ (129)19 mi
38Aire Serv of Woodstock575.0★ (21)10 mi
39Excel Mechanical Solutions575.0★ (91)19 mi
40Southern Airflow Advisors574.9★ (94)18 mi
41inAir Heating & Air Conditioning574.8★ (324)24 mi
42MMI Home Improvement574.8★ (260)24 mi
43Arp's Heating & Air574.2★ (23)9 mi
44Assured Comfort Heating, Air, Plumbing574.7★ (147)20 mi
45Jade Heating & Air, Inc.574.9★ (95)21 mi
46Milton Mechanical Services574.7★ (54)17 mi
47Reeveco Residential Heating575.0★ (11)11 mi
48Burton Heating & Air Conditioning Services564.4★ (26)13 mi
49Absolute Climate Control565.0★ (45)20 mi
50Peach State HVAC565.0★ (94)25 mi

How we ranked emergency HVAC contractors in Canton

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 Canton: questions

Which HVAC contractors in Canton are open 24/7?

25 on this list post 24/7 hours, including Premier Indoor Comfort Systems, Cool Air Mechanical, Coolray Heating & Air Conditioning, HVAC Bee and E. Dennis Heating, Cooling, Plumbing & Electrical.

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

Premier Indoor Comfort Systems is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Canton 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 Canton

  1. October 2026: CR Scores recalculated for 233 hvac contractors serving Canton.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages