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Quick answer #1 is Alamo Austin Air Conditioning & Heating (5.0★, 1,260 reviews)

The best-rated HVAC contractors in Austin, TX are Alamo Austin Air Conditioning & Heating (5.0★, 1,260 reviews), The Coolest LLC (5.0★, 946 reviews) and Strategic Air Services (5.0★, 624 reviews).

  • 5.0★average rating
  • 7,262Google reviews
  • 5open 24/7
  • 10hvac specialists

Checked · How we rank

10 neighborhoods
10 best open 24 hours

  1. Alamo Austin Air Conditioning & Heating

    5.01,260 reviews
    Mon–Fri, 8 AM – 5 PMHVAC specialist78736
    Call(512) 537-0108View details

  2. The Coolest LLC

    5.0946 reviews
    Mon–Fri, 7 AM – 6 PMHVAC specialist78745
    Call(512) 468-6140View details

  3. Strategic Air Services

    5.0624 reviews
    Every day, 8 AM – 6:30 PMHVAC specialist78736
    Call(512) 253-4773View details

  4. Atlas AC Repair LLC

    5.0503 reviews
    Mon–Fri, 7 AM – 6 PMHVAC specialistHyde Park · 78756
    Call(512) 265-1887View details

  5. Airsheen Services LLC

    5.0373 reviews
    Open 24 hours, every dayHVAC specialist78726
    Call(512) 210-8066View details

  6. A-Plus Air Conditioning & Home Solutions

    4.91,356 reviews
    Mon–Fri, 8 AM – 9 PMMost reviewedHVAC specialistAllandale · 78757
    Call(512) 361-5050View details

  7. ABC Home & Commercial - HVAC Services Department

    4.91,010 reviews
    Open 24 hours, every dayHVAC specialist78724
    Call(512) 220-7668View details

  8. RedHome HVAC Services

    5.0246 reviews
    Open 24 hours, every dayHVAC specialistEast Austin · 78702
    Call(512) 402-7277View details

  9. Altabra Air Conditioning

    5.0241 reviews
    Open 24 hours, every dayHVAC specialistAllandale · 78731
    Call(512) 822-9654View details

  10. Trusted Heating and Cooling, LLC

    4.9703 reviews
    Open 24 hours, every dayHVAC specialistAvery Ranch · 78717
    Call(512) 881-7484View details

About this list

We compared HVAC contractors across Austin by star rating and review volume. These 10 average 5.0 stars across 7,262 Google reviews, and 5 of them are open 24 hours. All 10 of them are open on weekends.

Last checked How we rank
Compare all 10 side by side
#BusinessRatingReviews24/7
1Alamo Austin Air Conditioning & Heating5.01,260No
2The Coolest LLC5.0946No
3Strategic Air Services5.0624No
4Atlas AC Repair LLC5.0503No
5Airsheen Services LLC5.0373Yes
6A-Plus Air Conditioning & Home Solutions4.91,356No
7ABC Home & Commercial - HVAC Services Department4.91,010Yes
8RedHome HVAC Services5.0246Yes
9Altabra Air Conditioning5.0241Yes
10Trusted Heating and Cooling, LLC4.9703Yes

Before you hire an HVAC contractor

5 quick checks before you call.

  1. Check the license.

    In Texas, look them up with the Texas Department of Licensing and Regulation (TDLR).

  2. Ask for proof of insurance.

    Liability insurance covers damage to your home if something goes wrong.

  3. Get 2 or 3 written quotes.

    Compare what each one includes, not just the price.

  4. Don't pay everything upfront.

    A deposit is normal. Pay the rest when the work is done.

  5. Read the newest reviews.

    Recent reviews say more about the business today than old ones.

Questions people ask

Who is the best-rated HVAC contractor in Austin?

Alamo Austin Air Conditioning & Heating ranks #1 with 5.0 stars from 1,260 reviews.

Which HVAC contractors in Austin are open 24 hours?

Airsheen Services LLC, ABC Home & Commercial - HVAC Services Department, RedHome HVAC Services, Altabra Air Conditioning and Trusted Heating and Cooling, LLC are open 24 hours, 7 days a week.

Which HVAC contractor in Austin has the most reviews?

A-Plus Air Conditioning & Home Solutions has the most, with 1,356 Google reviews and a 4.9 rating.

How do I check if an HVAC contractor in Austin is licensed?

Look them up with the Texas Department of Licensing and Regulation (TDLR) at https://www.tdlr.texas.gov/LicenseSearch/. Also ask for proof of insurance before work starts.

How is this list ranked?

We rank by Google star rating weighted by review count, so a 4.9 with 400 reviews beats a 5.0 with 8. HVAC specialists get a small edge over companies that also list other trades. Details were last checked Nov 2, 2026.

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