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Emergency HVAC Contractors in Mont Belvieu, TX (2026)

Top 50 of 206 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 Mont Belvieu: Air Tech of Humble - Elite Comfort, 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 Mont Belvieu at a glance

Top emergency HVAC contractors in Mont Belvieu at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Air Tech of Humble - Elite Comfort624.9★ (2,937)Humble, 24 mi away24/7
2Air Tech of Pasadena - Miles Service614.9★ (1,334)Pasadena, 21 mi away24/7
3ARS / Rescue Rooter614.5★ (4,100)Webster, 25 mi away24/7
4LMH Services615.0★ (348)Deer Park, 17 mi away24/7
5Texas Comfort Systems615.0★ (457)Humble, 19 mi away24/7
6Brown Air Conditioning & Heating614.7★ (924)Pasadena, 20 mi away24/7
7Champion and Nash604.9★ (1,006)Pasadena, 23 mi away24/7
8Texcellent A/C Service605.0★ (159)La Porte, 15 mi away24/7
9Doctor Home Experts Electrical Heating And Air604.7★ (590)Pasadena, 20 mi away24/7
10Priority AC & Heat605.0★ (627)Houston, 25 mi away24/7

Call an emergency HVAC contractor in Mont Belvieu 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 Mont Belvieu, 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 206 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.

  4. #4 LMH Services

    Based in Deer Park, 17 mi away

    61/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 348 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 348 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    113 Center St, Deer Park, TX 77536
    View profile for LMH Services(832) 800-4564

  7. #7 Champion and Nash

    Based in Pasadena, 23 mi away

    60/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,006 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.9★ from 1,006 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4227 Allen-Genoa Rd, Pasadena, TX 77504
    View profile for Champion and Nash(713) 322-7682

  10. #10 Priority AC & Heat

    Based in Houston, 25 mi away

    60/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 627 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 627 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    846 Wavecrest Ln, Houston, TX 77062
    View profile for Priority AC & Heat(713) 854-2776

  12. #12 Barrett's

    Based in La Porte, 15 mi away

    60/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 125 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 125 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    208 E Main St, La Porte, TX 77571
    View profile for Barrett's(281) 471-1118

  13. #13 Air Integrity HVAC

    Based in Deer Park, 17 mi away

    59/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.8★ from 134 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 134 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    902 Center St, Deer Park, TX 77536
    View profile for Air Integrity HVAC(281) 786-0210

  15. #15 Service Company

    Based in Houston, 25 mi away

    58/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.7★ from 474 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 474 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16628 Sea Lark Rd, Houston, TX 77062
    View profile for Service Company(281) 297-8486

  19. #19 Vanguard HVAC Co

    Based in Baytown, 2 mi away

    58/100CR Score

    Ranked #19 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

  21. #21 Vertech Services LLC

    Based in Baytown, 7 mi away

    57/100CR Score

    Ranked #21 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

Top 50 of 206 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 Mont Belvieu, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Covar Aircare LLC574.8★ (150)25 mi
27Home Air Conditioning and Heating575.0★ (106)25 mi
28Lightfoot Ac and Heating574.8★ (99)22 mi
29Galveston Bay Air Conditioning574.8★ (104)23 mi
30Air Majesty A/C & Heating574.3★ (342)24 mi
31Celsius A/C & Heating574.8★ (41)18 mi
32American Air Duct Cleaning Humble565.0★ (82)25 mi
33Cruz Air & Electric: Humble HVAC Company564.5★ (165)24 mi
34Platinum Group HVAC Experts565.0★ (5)8 mi
35Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services564.6★ (10)11 mi
36Air Well A/C & Heating565.0★ (24)17 mi
37Sherman Air Conditioning Experts565.0★ (33)20 mi
38First Class AC & Heating, LLC564.9★ (34)20 mi
39C.A.F Heating & Cooling LLC555.0★ (13)17 mi
40Kingwood AC Repair Pros555.0★ (29)22 mi
41Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services554.3★ (6)12 mi
42Garden Industrial Heating & Cooling555.0★ (9)15 mi
43Deerwood Air & Electrical Solutions554.9★ (39)23 mi
44Ellison Heating and Air Repair555.0★ (38)24 mi
45Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services554.2★ (21)17 mi
46Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair555.0★ (13)18 mi
47Excel Houston A/C & Heating555.0★ (27)23 mi
48Turbo Plumbing , Air Conditioning, Electrical & HVAC Services554.6★ (19)19 mi
49Blessed Air and Heat554.7★ (37)25 mi
50Crown Heating And Cooling555.0★ (19)22 mi

How we ranked emergency HVAC contractors in Mont Belvieu

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 Mont Belvieu: questions

Which HVAC contractors in Mont Belvieu are open 24/7?

25 on this list post 24/7 hours, including Air Tech of Humble - Elite Comfort, Air Tech of Pasadena - Miles Service, ARS / Rescue Rooter, LMH Services and Texas Comfort Systems.

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

Air Tech of Humble - Elite Comfort is #1, with a CR Score of 62 out of 100 on emergency weights.

How are emergency HVAC contractors in Mont Belvieu 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 Mont Belvieu

  1. October 2026: CR Scores recalculated for 206 hvac contractors serving Mont Belvieu.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages