Williamson County, TX

HVAC Pros in Williamson County, TX

Compare verified HVAC providers serving Williamson County, TX.

96 providers listedTDLR license-verifiedFree quotes
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Quick facts

  • AreaWilliamson County
  • StateTX
  • Providers96
  • Typical ticket$3.5k – $11k

Top local providers

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  1. Blue Ribbon Cooling, Heating, Plumbing, & Electrical storefront photo
    4.9 (2,778 reviews)Serves Williamson County
    installationrepairinspectionemergency
    What customers say
    Matthew Long with Blue Ribbon was punctual, especially considering I had a leaking hot water heater on New Year's Eve.…
  2. Airtron Heating & Air Conditioning storefront photo
    4.8 (2,020 reviews)Serves Williamson County
    What customers say
    I recently had my air conditioner serviced, and I’m extremely happy with the experience. The technician, Evan, was…
  3. AiRCO Air Conditioning, Electrical and Plumbing storefront photo
    4.8 (989 reviews)Serves Williamson County
    installationrepairinspectionemergency
    What customers say
    We had AIRCO install a 4-ton Daikin Fit heat pump in our home in west Austin. Our old Trane system had given up after…
  4. Koala Cooling: HVAC Department storefront photo
    4.9 (946 reviews)Serves Williamson County
    What customers say
    Exelente work Koala Cooling. I recently had a new air conditioner installed in my apartment by they and I’m extremely…
  5. Kinsey Heating and Air storefront photo
    4.8 (1,411 reviews)Serves Williamson County
    installationrepairemergency
    What customers say
    Shawn Curry did an outstanding job from start to finish. He took the time to thoroughly explain what was going on with…
  6. Quality Cooling, Heating & Plumbing storefront photo
    4.9 (928 reviews)Serves Williamson County
    installationrepairemergency
    What customers say
    Had a burst pipe connected to a hose bib and was able to get an immediate response from the scheduling group and…
  7. Neal HVAC storefront photo
    Neal HVACTop rated
    5.0 (919 reviews)Serves Williamson County
    What customers say
    Neal HVAC was terrific. I picked them because they are locally owned and had a wall of five-star reviews. Now I know…
  8. ABC Home & Commercial - HVAC Services Department storefront photo
    4.9 (944 reviews)Serves Williamson County
    What customers say
    Our AC stopped cooling in one of our zones after a power failure, and after some attempts to reset the system it…
  9. Cool Kids AC, Heat & Plumbing storefront photo
    5.0 (459 reviews)Serves Williamson County
    installationrepairemergency
    What customers say
    I had cool kids replace my water heater. However many years ago, whoever built the house thought that under the AC was…
  10. Advanced Air Conditioning + Heating storefront photo
    4.9 (519 reviews)Serves Williamson County
    What customers say
    Advanced A/C did awesome job. My heating went out and I called them. They initially said the tech would be between…
  11. TemperaturePro storefront photo
    4.9 (559 reviews)Serves Williamson County
    What customers say
    The AC was not working 4 days after moving into the new house. I called our realtor and she recommended…
  12. Chilly Air Services storefront photo
    5.0 (337 reviews)Serves Williamson County
    What customers say
    GIVE THIS COMPANY YOUR BUSINESS!! Airtron who I’ve done business with for over 7 years tried to tell me my AC unit…
  13. Patriot Appliance & Air Conditioning Repair Service storefront photo
    4.8 (584 reviews)Serves Williamson County
    What customers say
    I’m giving Paul’s company, Patriot Appliance Repair, 5 stars because of his competitive quote, honesty, friendliness,…
  14. Austex Air Conditioning & Heating LLC storefront photo
    5.0 (364 reviews)Serves Williamson County
    What customers say
    We have a contract on a home and the inspector report showed an issue with the AC not cooling. We were offered a…
  15. Prodigy Heating & Air storefront photo
    5.0 (450 reviews)Serves Williamson County
    What customers say
    Update 2/11/26: One of the new units wasn't cooling properly. The Prodigy representative arrived at my home within an…

Local pricing snapshot

Typical project range$3,500 – $12,500per system install, Williamson County

Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Prices vary by system type, efficiency, and whether ductwork modifications are needed.

Cities in this county

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Frequently Asked Questions

  • Do HVAC pros in Williamson County charge travel fees?

    Some rural routes include a trip charge. Confirm before scheduling and ask whether it applies to the estimate.

  • Which cities are in Williamson County?

    Williamson County includes Round Rock.

  • Are permits required for HVAC work?

    Most Texas jurisdictions require a mechanical permit for equipment swaps. Ask your provider who pulls the permit and how it is priced.

Licensing verified weekly. Reviews refreshed within the last 30 days.

Licensing data: Texas Department of Licensing and Regulation (TDLR) · Company data: verified business records + Google Business profile

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