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Emergency HVAC Contractors in Round Rock, TX (2026)

Top 50 of 461 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 Round Rock: Kinsey Heating and Air, 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 Round Rock at a glance

Top emergency HVAC contractors in Round Rock at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Kinsey Heating and Air654.8★ (1,399)Round Rock24/7
2Radiant Plumbing, Air Conditioning, & Electrical654.8★ (16,163)Austin, 13 mi away24/7
3Abacus Plumbing, Air Conditioning, & Electrical654.8★ (5,822)Austin, 9 mi away24/7
4AiRCO Air Conditioning, Electrical and Plumbing644.8★ (937)Round Rock24/7
5Fox Service Company644.8★ (5,061)Austin, 11 mi away24/7
6Green Leaf Plumbing AC, and Heating644.8★ (1,353)Hutto, 5 mi away24/7
7Trusted Heating and Cooling, LLC634.9★ (646)Austin, 3 mi away24/7
8Airtron Heating & Air Conditioning634.8★ (1,804)Austin, 8 mi away24/7
9McCullough Heating & Air Conditioning634.8★ (3,098)Austin, 10 mi away24/7
10Stan's Heating, Air, Plumbing & Electrical634.7★ (5,916)Austin, 13 mi away24/7

Call an emergency HVAC contractor in Round Rock 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 Round Rock, 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 461 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.

  1. Ranked #1 in Round Rock

    #1 Kinsey Heating and Air

    Based in Round Rock

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,399 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 1,399 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1107 Wonder Dr #102, Round Rock, TX 78681
    View profile for Kinsey Heating and Air(512) 645-2492

  5. #5 Fox Service Company

    Based in Austin, 11 mi away

    64/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 5,061 Google reviews, listed on Google as “Air conditioning repair service”.

    • 4.8★ from 5,061 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1506 Ferguson Ln Suite #102, Austin, TX 78754
    View profile for Fox Service Company

  15. #15 Grande Air Solutions

    Based in Pflugerville, 4 mi away

    63/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 585 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 585 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2512 W Pecan St #320, Pflugerville, TX 78660
    View profile for Grande Air Solutions(512) 677-4424

  18. #18 ARS / Rescue Rooter

    Based in Austin, 12 mi away

    62/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.4★ from 4,843 Google reviews, listed on Google as “Air conditioning repair service”.

    • 4.4★ from 4,843 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8619 Wall St Suite 600, Austin, TX 78754
    View profile for ARS / Rescue Rooter(254) 434-2444

  19. #19 Savoy Services

    Based in Brushy Creek, 2 mi away

    62/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 146 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 146 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Savoy Services(512) 486-0941

  20. #20 Atomic AC & Heating

    Based in Hutto, 8 mi away

    62/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 353 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 353 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    520 Co Rd 108 Unit 46, Hutto, TX 78634
    View profile for Atomic AC & Heating(512) 417-3488

  21. #21 Precision

    Based in Austin, 11 mi away

    62/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.7★ from 1,602 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 1,602 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1506 Ferguson Ln Suite 101, Austin, TX 78754
    View profile for Precision(512) 379-6385

  25. #25 1-800-Plumber +Air

    Based in Round Rock

    62/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Air conditioning contractor”.

    • 5.0★ from 73 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1400 Chisholm Trail Rd suite e, Round Rock, TX 78681
    View profile for 1-800-Plumber +Air(512) 758-6426

Top 50 of 461 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 Round Rock, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26ABC Home & Commercial - HVAC Services Department624.9★ (929)13 mi
27Advanced Air Conditioning + Heating624.9★ (492)10 mi
28Champion Cooling, Heating & Plumbing624.8★ (3,147)18 mi
29Miller Climate Control624.9★ (422)9 mi
30AirFix Mechanical614.9★ (82)In Round Rock
31All About TEXAS Cooling and Heating615.0★ (270)8 mi
32Climate Masters Heating & Air Conditioning614.8★ (94)In Round Rock
33Always Cool Heating and Air Conditioning LLC614.9★ (73)In Round Rock
34PT Maintenance. Air Conditioning & Heating Services614.8★ (81)In Round Rock
35Unified Heating & Air Conditioning614.8★ (83)In Round Rock
36Airsheen Services LLC615.0★ (323)10 mi
37Local Air Conditioning & Heating614.9★ (172)6 mi
38Barrett Family AC Experts614.8★ (63)In Round Rock
39Arctic Air Company614.9★ (268)9 mi
40Christianson Air Conditioning and Plumbing614.0★ (482)In Round Rock
41Goettl Air Conditioning and Plumbing - Austin TX614.8★ (3,596)21 mi
42RR HVAC Solutions - Air Conditioning & Heat614.8★ (57)In Round Rock
43Patriot Appliance & Air Conditioning Repair Service604.8★ (581)13 mi
44RR HVAC Solutions - Air Conditioning & Heat604.7★ (46)In Round Rock
45Aero Designed Systems604.9★ (241)11 mi
46One Hour Heating & Air Conditioning604.9★ (278)12 mi
47SFD Air Duct Cleaning605.0★ (29)In Round Rock
48The Cool Crew604.8★ (426)13 mi
49ABC Austin Service Express LLC604.9★ (858)18 mi
50One Hour Heating & Air Conditioning of Hutto and Taylor604.9★ (118)8 mi

How we ranked emergency HVAC contractors in Round Rock

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 Round Rock: questions

Which HVAC contractors in Round Rock are open 24/7?

25 on this list post 24/7 hours, including Kinsey Heating and Air, Radiant Plumbing, Air Conditioning, & Electrical, Abacus Plumbing, Air Conditioning, & Electrical, AiRCO Air Conditioning, Electrical and Plumbing and Fox Service Company.

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

Kinsey Heating and Air is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency HVAC contractors in Round Rock 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 Round Rock

  1. October 2026: CR Scores recalculated for 461 hvac contractors serving Round Rock.
  2. October 2026: 6 duplicate listings merged.

More emergency and heating and cooling pages