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Emergency HVAC Contractors in Union City, GA (2026)

Top 50 of 414 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 Union City: Reliable Heating & Air, Plumbing and Electrical - Fayetteville, 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 Union City at a glance

Top emergency HVAC contractors in Union City at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Reliable Heating & Air, Plumbing and Electrical - Fayetteville664.8★ (4,184)Fayetteville, 8 mi away24/7
2Assured Comfort Heating, Air, Plumbing654.8★ (3,674)Douglasville, 9 mi away24/7
3All Stars Heating and Air644.9★ (252)Union City24/7
4E. Dennis Heating, Cooling, Plumbing & Electrical644.9★ (2,126)Peachtree City, 14 mi away24/7
5Trinity Air Heating & Air Conditioning644.9★ (2,677)Peachtree City, 15 mi away24/7
6Moncrief Heating & Air Conditioning634.8★ (3,152)Atlanta, 16 mi away24/7
7Essential Heating & Air Conditioning, Inc.634.8★ (267)Atlanta, 4 mi away24/7
8Hammond Services | Heating & Air, Plumbing, Electrical625.0★ (895)Stockbridge, 16 mi away24/7
9E. Dennis Heating, Cooling, Plumbing & Electrical624.9★ (4,846)Marietta, 25 mi away24/7
10Peachtree Service Experts624.8★ (605)Morrow, 11 mi away24/7

Call an emergency HVAC contractor in Union City 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 Union City, 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 414 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.

  11. #11 Walk On Air

    Based in Fayetteville, 11 mi away

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 335 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 335 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    500 W Lanier Ave Ste 706, Fayetteville, GA 30214
    View profile for Walk On Air(770) 624-4777

  17. #17 Jones Climate Control

    Based in Stockbridge, 20 mi away

    60/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 506 Google reviews, listed on Google as “Furnace repair service”.

    • 4.9★ from 506 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3230 GA-42 #H, Stockbridge, GA 30281
    View profile for Jones Climate Control(678) 210-3851

  25. #25 Carter and Sons HVAC

    Based in Smyrna, 21 mi away

    59/100CR Score

    Ranked #25 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

Top 50 of 414 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 Union City, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Berry Good Heating and Air594.7★ (133)14 mi
27Certified Air Care, Inc.594.8★ (287)20 mi
28inAir Heating & Air Conditioning594.8★ (324)21 mi
29Dynasty Heating and Air594.9★ (237)21 mi
30Innovative Mechanical, LLC594.9★ (312)23 mi
31Assured Comfort Heating, Air, Plumbing584.6★ (257)18 mi
32Royalty Heating & Air Conditioning584.3★ (179)13 mi
33Absolute Best Air Inc.584.8★ (416)24 mi
34ANYTIME HEATING, COOLING AND PLUMBING584.8★ (408)25 mi
35KBS Heating & Cooling Inc584.8★ (283)24 mi
36Americool Air Conditioning Heating Inc.584.9★ (256)25 mi
37OP's Heating and Air LLC585.0★ (212)25 mi
38H&A MECHANICAL SERVICE585.0★ (3)In Union City
39Ace & A HVAC, Heating & AC Repair584.6★ (213)20 mi
40Lee's Prestige HVAC & Plumbing584.9★ (45)15 mi
41Evans Heating and Air575.0★ (141)24 mi
42Precision cooling & heating LLC575.0★ (58)18 mi
43GAR Inc., Heating & Cooling574.8★ (62)17 mi
44Reginald O. Lawrence Services574.2★ (10)7 mi
45Georgia Home Heating & Air LLC574.9★ (37)16 mi
46Crew Mechanical574.9★ (33)16 mi
47C.B's Heating and Air Conditioning, LLC.574.8★ (38)16 mi
48Cool and Breezy HVAC LLC575.0★ (15)12 mi
49A1 Tech HVAC/R575.0★ (22)14 mi
50Manny's Hvac Llc574.8★ (29)15 mi

How we ranked emergency HVAC contractors in Union City

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 Union City: questions

Which HVAC contractors in Union City are open 24/7?

25 on this list post 24/7 hours, including Reliable Heating & Air, Plumbing and Electrical - Fayetteville, Assured Comfort Heating, Air, Plumbing, All Stars Heating and Air, E. Dennis Heating, Cooling, Plumbing & Electrical and Trinity Air Heating & Air Conditioning.

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

Reliable Heating & Air, Plumbing and Electrical - Fayetteville is #1, with a CR Score of 66 out of 100 on emergency weights.

How are emergency HVAC contractors in Union City 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 Union City

  1. October 2026: CR Scores recalculated for 414 hvac contractors serving Union City.
  2. October 2026: 7 duplicate listings merged.

More emergency and heating and cooling pages