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Emergency HVAC Contractors in Dayton, TX (2026)

Top 50 of 107 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 Dayton: Cucco's Air Conditioning & Heating, 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 Dayton at a glance

Top emergency HVAC contractors in Dayton at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Cucco's Air Conditioning & Heating654.9★ (362)Dayton24/7
2Air Tech of Humble - Elite Comfort634.9★ (2,937)Humble, 22 mi away24/7
3Texas Comfort Systems625.0★ (457)Humble, 17 mi away24/7
4Sc Mechanical Co LLC604.4★ (13)Dayton24/7
5Texas Strong Mechanical594.9★ (248)Humble, 23 mi away24/7
6Home Air Conditioning and Heating585.0★ (106)Humble, 21 mi away24/7
7Aaron Mechanical Air Conditioning & Heating584.9★ (140)Humble, 22 mi away24/7
8Goode Air Conditioning & Heating, Inc.584.8★ (138)Humble, 22 mi away24/7
9C.A.F Heating & Cooling LLC585.0★ (13)Beaumont, 10 mi away24/7
10Air Majesty A/C & Heating574.3★ (342)Humble, 22 mi away24/7

Call an emergency HVAC contractor in Dayton 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 Dayton, 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 107 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.

  19. #19 Robles Heating & A/c

    Based in Cleveland, 22 mi away

    55/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.8★ from 22 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    327 County Rd 322, Cleveland, TX 77327
    View profile for Robles Heating & A/c(832) 480-0301

  21. #21 Vanguard HVAC Co

    Based in Baytown, 16 mi away

    55/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 5 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10550 I-10, Baytown, TX 77523
    View profile for Vanguard HVAC Co(281) 962-5436

  22. #22 Vertech Services LLC

    Based in Baytown, 20 mi away

    55/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 10 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3201 TX-146BUS suite b, Baytown, TX 77521
    View profile for Vertech Services LLC(281) 938-4437

  23. #23 Home Town Air

    Based in Humble, 22 mi away

    54/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 13 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    131 Wilson Rd, Humble, TX 77338
    View profile for Home Town Air(346) 362-9398

Top 50 of 107 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 Dayton, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Platinum Group HVAC Experts545.0★ (5)20 mi
27Garden Industrial Heating & Cooling545.0★ (9)24 mi
28Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services534.6★ (10)24 mi
29Cleaver-Brooks Sales & Service534.7★ (6)25 mi
30Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services534.3★ (6)24 mi
31Chagin Heating & Plumbing523.3★ (7)23 mi
32Subcool Refrigeration Company525.0★ (3)22 mi
3324/7 Water Heaters Service Humble524.0★ (4)23 mi
34Desired Temperatures Heating and Air525.0★ (26)In Dayton
35BluePeak HVAC Pros525.0★ (3)24 mi
36Ainsworth & Co.514.7★ (400)19 mi
37Gilliand A/C & Heating Co475.0★ (3)5 mi
38Chapman Heating & AC462.0★ (7)6 mi
39Bay Air Conditioning & Heating455.0★ (169)In Dayton
40ASAP HVAC454.9★ (126)In Dayton
41Pleasant Air454.9★ (30)24 mi
42Lone Star Air Pros435.0★ (6)19 mi
43Kingwood Air Solutions435.0★ (765)20 mi
44Madd Air Heating & Cooling435.0★ (742)21 mi
45Crew Heating & AC Repair425.0★ (266)16 mi
46EZ Comfort Air Conditioning & Heating424.9★ (1,012)24 mi
47Silver Spur Air, Heating, & Plumbing of Houston424.8★ (673)22 mi
48Bay Air Conditioning LLC425.0★ (16)In Dayton
49Henscey Electric & A/C Co.414.2★ (28)In Dayton
50Bryant AC412.7★ (10)24 mi

How we ranked emergency HVAC contractors in Dayton

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 Dayton: questions

Which HVAC contractors in Dayton are open 24/7?

25 on this list post 24/7 hours, including Cucco's Air Conditioning & Heating, Air Tech of Humble - Elite Comfort, Texas Comfort Systems, Sc Mechanical Co LLC and Texas Strong Mechanical.

Who is ranked #1 for emergency heating and cooling in Dayton, TX?

Cucco's Air Conditioning & Heating is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Dayton 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 Dayton

  1. October 2026: CR Scores recalculated for 107 hvac contractors serving Dayton.

More emergency and heating and cooling pages