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Emergency HVAC Contractors in La Porte, TX (2026)

Top 50 of 376 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 La Porte: Air Tech of Pasadena - Miles Service, 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 La Porte at a glance

Top emergency HVAC contractors in La Porte at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Air Tech of Pasadena - Miles Service644.9★ (1,334)Pasadena, 9 mi away24/7
2ARS / Rescue Rooter644.5★ (4,100)Webster, 11 mi away24/7
3Texcellent A/C Service645.0★ (159)La Porte24/7
4Brown Air Conditioning & Heating634.7★ (924)Pasadena, 8 mi away24/7
5Champion and Nash634.9★ (1,006)Pasadena, 11 mi away24/7
6Barrett's635.0★ (125)La Porte24/7
7Priority AC & Heat635.0★ (627)Houston, 10 mi away24/7
8LMH Services635.0★ (348)Deer Park, 7 mi away24/7
9Clear the Air Cooling & Heating634.9★ (1,785)Pearland, 16 mi away24/7
10Texcellent Heating & Cooling LLC625.0★ (210)Deer Park, 6 mi away24/7

Call an emergency HVAC contractor in La Porte 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 La Porte, 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 376 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 ARS / Rescue Rooter

    Based in Webster, 11 mi away

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.5★ from 4,100 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 4,100 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    369 Tristar Dr, Webster, TX 77598
    View profile for ARS / Rescue Rooter(281) 674-6272

  5. #5 Champion and Nash

    Based in Pasadena, 11 mi away

    63/100CR Score

    Ranked #5 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

  6. #6 Barrett's

    Based in La Porte

    63/100CR Score

    Ranked #6 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

  7. #7 Priority AC & Heat

    Based in Houston, 10 mi away

    63/100CR Score

    Ranked #7 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

  8. #8 LMH Services

    Based in Deer Park, 7 mi away

    63/100CR Score

    Ranked #8 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

  13. #13 Service Company

    Based in Houston, 10 mi away

    62/100CR Score

    Ranked #13 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

  14. #14 Master Air Inc.

    Based in Pearland, 16 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 656 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 656 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2020 E Broadway St, Pearland, TX 77581
    View profile for Master Air Inc.(281) 485-3231

  16. #16 Air Integrity HVAC

    Based in Deer Park, 7 mi away

    61/100CR Score

    Ranked #16 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

  19. #19 Covar Aircare LLC

    Based in Houston, 12 mi away

    60/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.8★ from 150 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.8★ from 150 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11665 Fuqua St, Houston, TX 77034
    View profile for Covar Aircare LLC(713) 476-8945

  25. #25 Affordable Air & Heat

    Based in Santa Fe, 20 mi away

    59/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 337 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.8★ from 337 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    14310 Hwy 6, Santa Fe, TX 77517
    View profile for Affordable Air & Heat(409) 916-7215

Top 50 of 376 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 La Porte, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26SouthCoast Heat & Air594.9★ (357)22 mi
27Precision Heating and Cooling LLC595.0★ (93)15 mi
28AirSol Air Conditioning and Heating595.0★ (58)12 mi
29Excel Houston A/C & Heating585.0★ (27)9 mi
30Knights A/C & Heating LLC585.0★ (134)20 mi
31Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair585.0★ (13)6 mi
32Air American Solution LLC584.9★ (59)14 mi
33Ruah A/C & Heating585.0★ (134)21 mi
34Petro Chem Refrigeration584.6★ (5)In La Porte
35Kenn's Plumbing, Inc.584.9★ (212)22 mi
36Ellison Heating and Air Repair585.0★ (38)13 mi
37Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services584.6★ (10)4 mi
38Turbo Plumbing , Air Conditioning, Electrical & HVAC Services584.6★ (19)7 mi
39A Pro Air Heating And A/C, Inc.584.5★ (310)21 mi
40Vibrant Mechanical585.0★ (144)22 mi
41Stalwart Air Conditioning & Heating Services LLC585.0★ (156)23 mi
42Eric's Heating & Air Conditioning Alvin584.9★ (151)22 mi
43Windsanity Mini Split584.8★ (206)22 mi
44The Local A/C Guy584.9★ (145)22 mi
45Captain's Cooling & Technical Services Inc.584.8★ (50)15 mi
46Crown Heating And Cooling585.0★ (19)10 mi
47Ace Comfort Air Conditioning & Heating584.9★ (175)23 mi
48Sherman Air Conditioning Experts585.0★ (33)14 mi
49Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services574.3★ (6)3 mi
50Master AC and Heat, LLC- The Heights574.8★ (165)23 mi

How we ranked emergency HVAC contractors in La Porte

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 La Porte: questions

Which HVAC contractors in La Porte are open 24/7?

25 on this list post 24/7 hours, including Air Tech of Pasadena - Miles Service, ARS / Rescue Rooter, Texcellent A/C Service, Brown Air Conditioning & Heating and Champion and Nash.

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

Air Tech of Pasadena - Miles Service is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in La Porte 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?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for La Porte

  1. October 2026: CR Scores recalculated for 376 hvac contractors serving La Porte.
  2. October 2026: 2 duplicate listings merged.

More emergency and heating and cooling pages