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Emergency HVAC Contractors in Sugar Land, TX (2026)

Top 50 of 748 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 Sugar Land: One Hour Air Conditioning & Heating® of Houston, 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 Sugar Land at a glance

Top emergency HVAC contractors in Sugar Land at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1One Hour Air Conditioning & Heating® of Houston634.7★ (9,886)Houston, 15 mi away24/7
2Air Tech of Houston AC & Plumbing624.9★ (5,588)Houston, 18 mi away24/7
3ARS / Rescue Rooter624.6★ (11,276)Houston, 17 mi away24/7
4The Katy Plumbing Company Heating & Air624.9★ (3,343)Katy, 17 mi away24/7
5TemperaturePro624.9★ (113)Sugar Land24/7
6BVS Home Experts624.9★ (940)Katy, 12 mi away24/7
7Air Tech of Katy624.8★ (3,047)Katy, 17 mi away24/7
8Maxx AC & Heating624.8★ (304)Stafford, 5 mi away24/7
9House Pro Air Conditioning614.7★ (1,336)Houston, 12 mi away24/7
10Air Energy Air conditioning And heating615.0★ (147)Stafford, 4 mi away24/7

Call an emergency HVAC contractor in Sugar Land 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 Sugar Land, 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 748 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.

  3. #3 ARS / Rescue Rooter

    Based in Houston, 17 mi away

    62/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.6★ from 11,276 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 11,276 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10515 Okanella St STE 100, Houston, TX 77041
    View profile for ARS / Rescue Rooter(713) 428-2700

  5. #5 TemperaturePro

    Based in Sugar Land

    62/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 113 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 113 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    19901 Southwest Fwy Suite 237A, Sugar Land, TX 77479
    View profile for TemperaturePro(281) 519-0031

  6. #6 BVS Home Experts

    Based in Katy, 12 mi away

    62/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 940 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 940 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2717 Commercial Center Blvd E201, Katy, TX 77494
    View profile for BVS Home Experts(281) 248-8369

  7. #7 Air Tech of Katy

    Based in Katy, 17 mi away

    62/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 3,047 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 3,047 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5614 Franz Rd Suite B, Katy, TX 77493
    View profile for Air Tech of Katy(281) 317-7680

  8. #8 Maxx AC & Heating

    Based in Stafford, 5 mi away

    62/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.8★ from 304 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 304 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13120 Mula Ct, Stafford, TX 77477
    View profile for Maxx AC & Heating(281) 338-2653

  13. #13 Air Express

    Based in Richmond, 9 mi away

    61/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.8★ from 495 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 495 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7225 N Park Dr, Richmond, TX 77407
    View profile for Air Express(281) 638-8593

  16. #16 Fresh Air LP

    Based in Richmond, 12 mi away

    60/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.8★ from 488 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 488 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5702 Powerline Rd, Richmond, TX 77469
    View profile for Fresh Air LP(281) 499-3511

  20. #20 Air Star Now

    Based in Houston, 18 mi away

    60/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 646 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 646 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6607 Flintlock Rd, Houston, TX 77040
    View profile for Air Star Now(713) 597-4457

  21. #21 Arnett Mechanical

    Based in Alvin, 14 mi away

    60/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 290 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 290 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    14018 Hwy 6 Ste 5, Rosharon, TX 77583
    View profile for Arnett Mechanical(713) 300-1478

  22. #22 Just Fix It Today

    Based in Katy, 13 mi away

    60/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 434 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 434 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    21819 Katy Fwy Ste B103, Katy, TX 77450
    View profile for Just Fix It Today(281) 503-4125

  23. #23 The Lee Thompson Co

    Based in Houston, 14 mi away

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 412 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 412 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1718 Elmview Dr, Houston, TX 77080
    View profile for The Lee Thompson Co(713) 688-6900

Top 50 of 748 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 Sugar Land, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Aire Serv of Katy604.9★ (242)13 mi
27Elite Air Experts605.0★ (131)11 mi
28Hage Energy605.0★ (203)13 mi
29Houston A/C and Heating Pros605.0★ (52)6 mi
30Sugar Land HVAC Repair605.0★ (20)In Sugar Land
31All Star A/C, Plumbing & Electrical594.9★ (1,765)24 mi
32Nathan Lazarine A/C Heat & Electric595.0★ (145)12 mi
33Elite HVAC Houston Specialists595.0★ (43)5 mi
34Excel Air594.9★ (442)17 mi
35TemperaturePro Katy-Cypress594.9★ (310)15 mi
36MJS A/C and Heating LLC595.0★ (151)13 mi
37Modern Air of Katy595.0★ (132)13 mi
38Yeoman Solutions LLC594.9★ (69)8 mi
39NextDoor AC - Heating & Air Conditioning594.9★ (47)6 mi
40Aire Serv of Central & West Houston594.9★ (193)14 mi
41Mr. Reliable Heating & Air595.0★ (124)13 mi
42Air City AC & Heating LLC594.7★ (533)17 mi
43Air Solutions Air Conditioning & Heating594.9★ (93)11 mi
44Cold Texas Air - Heating & Air Conditioning - HVAC Contractor595.0★ (12)In Sugar Land
45Master Comfort AC & Heating594.9★ (135)13 mi
46Weaver AC Repair Solutions595.0★ (41)7 mi
47Alpha 4 Real AC & Heating594.4★ (64)5 mi
48Qualified Appliances Repair Command Inc.595.0★ (34)6 mi
49Spring Branch AC594.9★ (349)18 mi
50Done Deal A/C & Heating Katy594.8★ (114)12 mi

How we ranked emergency HVAC contractors in Sugar Land

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 Sugar Land: questions

Which HVAC contractors in Sugar Land are open 24/7?

25 on this list post 24/7 hours, including One Hour Air Conditioning & Heating® of Houston, Air Tech of Houston AC & Plumbing, ARS / Rescue Rooter, The Katy Plumbing Company Heating & Air and TemperaturePro.

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

One Hour Air Conditioning & Heating® of Houston is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency HVAC contractors in Sugar Land 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 Sugar Land

  1. October 2026: CR Scores recalculated for 748 hvac contractors serving Sugar Land.
  2. October 2026: 5 duplicate listings merged.

More emergency and heating and cooling pages