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Emergency HVAC Contractors in League City, TX (2026)

Top 50 of 389 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 League City: Clear the Air Cooling & 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 League City at a glance

Top emergency HVAC contractors in League City at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Clear the Air Cooling & Heating654.9★ (1,785)Pearland, 8 mi away24/7
2ARS / Rescue Rooter654.5★ (4,100)Webster, 8 mi away24/7
3Priority AC & Heat655.0★ (627)Houston, 5 mi away24/7
4Air Tech of Pasadena - Miles Service634.9★ (1,334)Pasadena, 12 mi away24/7
5Service Company634.7★ (474)Houston, 4 mi away24/7
6Champion and Nash634.9★ (1,006)Pasadena, 12 mi away24/7
7Master Air Inc.634.9★ (656)Pearland, 10 mi away24/7
8A-Team's A/C & Heating, LLC624.9★ (96)League City24/7
9Brown Air Conditioning & Heating624.7★ (924)Pasadena, 12 mi away24/7
10SouthCoast Heat & Air624.9★ (357)Santa Fe, 10 mi away24/7

Call an emergency HVAC contractor in League 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 League 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 389 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, 8 mi away

    65/100CR 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

  3. #3 Priority AC & Heat

    Based in Houston, 5 mi away

    65/100CR Score

    Ranked #3 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

  5. #5 Service Company

    Based in Houston, 4 mi away

    63/100CR Score

    Ranked #5 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

  6. #6 Champion and Nash

    Based in Pasadena, 12 mi away

    63/100CR Score

    Ranked #6 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

  7. #7 Master Air Inc.

    Based in Pearland, 10 mi away

    63/100CR Score

    Ranked #7 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

  11. #11 Affordable Air & Heat

    Based in Santa Fe, 9 mi away

    62/100CR Score

    Ranked #11 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

  14. #14 LMH Services

    Based in Deer Park, 14 mi away

    61/100CR Score

    Ranked #14 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

  17. #17 Ruah A/C & Heating

    Based in Alvin, 10 mi away

    61/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 134 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1600 E Hwy 6, Alvin, TX 77511
    View profile for Ruah A/C & Heating(713) 992-7403

  21. #21 Covar Aircare LLC

    Based in Houston, 11 mi away

    60/100CR Score

    Ranked #21 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

  23. #23 Barrett's

    Based in La Porte, 12 mi away

    60/100CR Score

    Ranked #23 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

Top 50 of 389 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 League City, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Du-West Air Conditioning605.0★ (160)16 mi
27Precision Heating and Cooling LLC605.0★ (93)13 mi
28Ready Heating and Cooling595.0★ (12)In League City
29Air Integrity HVAC594.8★ (134)14 mi
30Vanderford Air & Plumbing594.8★ (1,473)2 mi
31Stalwart Air Conditioning & Heating Services LLC595.0★ (156)17 mi
32A Pro Air Heating And A/C, Inc.594.5★ (310)15 mi
33Arnett Mechanical595.0★ (290)22 mi
34Houston HVAC Alliance594.6★ (45)7 mi
35Residential AC & Heating ECi595.0★ (12)2 mi
36Roberts Air, LLC594.9★ (417)23 mi
37Excel Houston A/C & Heating595.0★ (27)9 mi
38Lightfoot Ac and Heating584.8★ (99)15 mi
39Air American Solution LLC584.9★ (59)13 mi
40Comfort Air & Heat LLC584.9★ (41)12 mi
41X-treme Air585.0★ (12)5 mi
42Colley Refrigeration584.9★ (103)18 mi
43Ellison Heating and Air Repair585.0★ (38)13 mi
44Turbo Plumbing , Air Conditioning, Electrical & HVAC Repair Services585.0★ (7)4 mi
45Air Capital Cooling and Heating L.L.C585.0★ (7)4 mi
46Prentice Air conditioning and Heating584.8★ (18)9 mi
47Snyder Services, Inc.585.0★ (3)In League City
48Elite Air Experts585.0★ (131)23 mi
49Vibrant Mechanical585.0★ (144)23 mi
50Little Bitz Handyman & HVAC Services585.0★ (9)6 mi

How we ranked emergency HVAC contractors in League 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 League City: questions

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

25 on this list post 24/7 hours, including Clear the Air Cooling & Heating, ARS / Rescue Rooter, Priority AC & Heat, Air Tech of Pasadena - Miles Service and Service Company.

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

Clear the Air Cooling & Heating is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in League 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?

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

Update log for League City

  1. October 2026: CR Scores recalculated for 389 hvac contractors serving League City.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages