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Emergency HVAC Contractors in Alpharetta, GA (2026)

Top 50 of 560 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 Alpharetta: Neese Heating, AC and Plumbing, 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 Alpharetta at a glance

Top emergency HVAC contractors in Alpharetta at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Neese Heating, AC and Plumbing664.9★ (1,955)Alpharetta24/7
2Cool Air Mechanical654.9★ (10,810)Marietta, 14 mi away24/7
3Staton Heating & Air Inc654.9★ (754)Alpharetta24/7
4Peachtree Service Experts644.9★ (6,700)Duluth, 13 mi away24/7
5Coolray Heating & Air Conditioning644.8★ (10,615)Marietta, 15 mi away24/7
6Bardi Heating, Cooling, Plumbing, Electrical644.7★ (7,525)Norcross, 12 mi away24/7
7Bardi Heating, Cooling, Plumbing, Electrical644.8★ (880)Roswell, 3 mi away24/7
8Reliable Heating & Air, Plumbing and Electrical - Alpharetta644.8★ (510)Alpharetta24/7
9Coolray Heating & Air Conditioning644.8★ (6,685)Suwanee, 14 mi away24/7
10Superior Indoor Comfort, Inc.644.8★ (424)Alpharetta24/7

Call an emergency HVAC contractor in Alpharetta 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 Alpharetta, 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 560 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, 14 mi away

    65/100CR 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

  12. #12 Cool Max HVAC

    Based in Alpharetta

    63/100CR Score

    Ranked #12 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

  15. #15 Rooter ProXpress

    Based in Norcross, 11 mi away

    63/100CR Score

    Ranked #15 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

  18. #18 Allgood Home Services

    Based in Norcross, 13 mi away

    62/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.4★ from 4,353 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 4,353 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1465 Beaver Ruin Rd, Norcross, GA 30093
    View profile for Allgood Home Services(770) 415-5543

  19. #19 United Air Temp

    Based in Norcross, 10 mi away

    62/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 703 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 703 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3030 Business Park Drive, Norcross, GA 30071
    View profile for United Air Temp(770) 676-3132

  23. #23 HVAC Bee

    Based in Woodstock, 13 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

  24. #24 The Air Company

    Based in Atlanta, 10 mi away

    61/100CR Score

    Ranked #24 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

  25. #25 Aaron Plumbing

    Based in Roswell, 4 mi away

    61/100CR Score

    Ranked #25 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

Top 50 of 560 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 Alpharetta, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26United Air Temp614.8★ (497)10 mi
27Moncrief Heating & Air Conditioning614.8★ (3,152)20 mi
28Andy Lewis/Hobson Heating & Air614.8★ (462)10 mi
29Air Force Heating & Air614.8★ (1,194)16 mi
30Comfort614.8★ (138)4 mi
31Airworx North Atlanta615.0★ (137)7 mi
32MMI Home Improvement614.8★ (260)8 mi
33Premier Indoor Comfort Systems614.8★ (1,047)16 mi
34Southeast Heating and Cooling LLC615.0★ (615)16 mi
35Milton Mechanical Services614.7★ (54)In Alpharetta
36Reliable Heating & Air, Plumbing and Electrical - Grayson614.8★ (3,335)23 mi
37Reliance Heating and Air614.8★ (466)13 mi
38Casteel Heating, Cooling, Plumbing & Electrical614.8★ (10,009)14 mi
39RS Andrews614.9★ (159)9 mi
40Summit615.0★ (529)16 mi
41Gee Heating and Air604.8★ (3,162)24 mi
42Absolute Climate Control605.0★ (45)4 mi
43R Tillery604.8★ (109)8 mi
44JE Mechanical Heating & Air604.9★ (129)10 mi
45ANYTIME HEATING, COOLING AND PLUMBING604.8★ (408)16 mi
46Arctic Blast Heating & Air Conditioning604.9★ (182)13 mi
47Americool Air Conditioning Heating Inc.604.9★ (256)15 mi
48Innovative Mechanical, LLC604.9★ (312)16 mi
49TBAM Mechanical605.0★ (60)8 mi
50Wincorp Master Plumbers605.0★ (126)12 mi

How we ranked emergency HVAC contractors in Alpharetta

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 Alpharetta: questions

Which HVAC contractors in Alpharetta are open 24/7?

25 on this list post 24/7 hours, including Neese Heating, AC and Plumbing, Cool Air Mechanical, Staton Heating & Air Inc, Peachtree Service Experts and Coolray Heating & Air Conditioning.

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

Neese Heating, AC and Plumbing is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Alpharetta 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 Alpharetta

  1. October 2026: CR Scores recalculated for 560 hvac contractors serving Alpharetta.
  2. October 2026: 7 duplicate listings merged.

More emergency and heating and cooling pages