TX HVAC Contractors

Austin-Round Rock-San Marcos, TX · County FIPS code 48491

Licensed HVAC contractors in Williamson County, Texas

In Williamson County, 425 contractors hold a current Texas A/C contractor licence, according to the state registry checked on Oct 14, 2026.

Registry checked on Oct 14, 2026 · How the directory is put together

Call (844) 833-0090Talk to a local HVAC provider about a repair, a replacement or a new system.

The call goes to an independent local provider from a referral network, not to a listed contractor.

Licensed A/C contractors

P.T. Maintenance, LLC

Class B

Williamson County, Texas

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Paragon ACR LLC

Class A

Williamson County, Texas

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Patriot Air Conditioning & Heating LLC

Class B

Williamson County, Texas

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Referral line

Need HVAC service in Williamson County?

One call puts you in touch with an independent local HVAC provider. This is not the number of a contractor listed here.

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Patriot Appliance Repair & AC Repair

Class A

Williamson County, Texas

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Perry Aire Heating & A/C LLC

Class B

Williamson County, Texas

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Pete's Air Conditioning & Heating

Class B

Williamson County, Texas

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Petter Built Heating & Air

Class B

Williamson County, Texas

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Phillko

Class A

Williamson County, Texas

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Pina Cool-ADA LLC

Class A

Williamson County, Texas

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Pipe Dream Services LLC

Class A

Williamson County, Texas

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Platinum Air Heating & Cooling LLC

Class A

Williamson County, Texas

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Precise Temp Refrigeration, LLC

Class A

Williamson County, Texas

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Premier AC Service LLC

Class A

Williamson County, Texas

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Pro Air Solutions

Class A

Williamson County, Texas

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Prodigy Heating & Air, LLC

Class B

Williamson County, Texas

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Professional AC & Heating

Class B

Williamson County, Texas

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Protex Plumbing & Mechanical, LP

Class B

Williamson County, Texas

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Proven Plumbing

Class B

Williamson County, Texas

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Pucme Group LLC

Class A

Williamson County, Texas

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Pure Air HVAC

Class A

Williamson County, Texas

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Quick Cooling Inc

Class A

Williamson County, Texas

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R Herd Company LLC

Class B

Williamson County, Texas

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Raintree Mechanical Inc

Class A

Williamson County, Texas

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Ralph D Hanna

Class B

Williamson County, Texas

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RC's Plumbing and Electricl LLC

Class A

Williamson County, Texas

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RCI Mechanical LLC

Class A

Williamson County, Texas

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Rembert's Heating & Air Conditioning LLC

Class B

Williamson County, Texas

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Repa Plumbing & Air Conditioning Inc

Class B

Williamson County, Texas

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Repa Plumbing & Air Conditioning Inc

Class B

Williamson County, Texas

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Responsive Aire

Class B

Williamson County, Texas

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RI-Co Services

Class A

Williamson County, Texas

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Richard K. Hamshire

Class A

Williamson County, Texas

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RIO Grande A/C and Heating LLC

Class B

Williamson County, Texas

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Riteway

Class A

Williamson County, Texas

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Robert Edward Holliday

Class B

Williamson County, Texas

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Robert Lawrence Domin

Class A

Williamson County, Texas

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Robert W Fleming

Class A

Williamson County, Texas

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Ronald a Williams

Class A

Williamson County, Texas

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Ronald Kent Harness

Class B

Williamson County, Texas

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Round Rock Heating and Air

Class B

Williamson County, Texas

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Round Rock I S D

Class B

Williamson County, Texas

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Round Rock Plumbing Co Inc DBA Eagle Air

Class B

Williamson County, Texas

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Roznovak's Services,Inc

Class A

Williamson County, Texas

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RSM Lighting LLC

Class B

Williamson County, Texas

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Russell Air Conditioning

Class B

Williamson County, Texas

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Referral line

Need HVAC service in Williamson County?

One call puts you in touch with an independent local HVAC provider. This is not the number of a contractor listed here.

Call (844) 833-0090

Russo Air

Class B

Williamson County, Texas

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RWB Air Services LLC

Class A

Williamson County, Texas

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Samuel M Gurrola

Class A

Williamson County, Texas

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Savoy Services LLC

Class A

Williamson County, Texas

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Scorpion Mechanical HVAC Services LLC

Class B

Williamson County, Texas

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Sellers, Larry F

Class A

Williamson County, Texas

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Service Wizard LLC

Class B

Williamson County, Texas

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Service Wizard LLC

Class A

Williamson County, Texas

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Service Wizard LLC

Class A

Williamson County, Texas

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Service Wizard LLC

Class B

Williamson County, Texas

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Setpoint Services LLC

Class A

Williamson County, Texas

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Skinner Aire

Class B

Williamson County, Texas

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Smith Heating and Air Conditioning Inc.

Class B

Williamson County, Texas

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SMR Dynamics LLC

Class A

Williamson County, Texas

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SOS Mechanical

Class A

Williamson County, Texas

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Southwest Heating & Air Conditioning

Class B

Williamson County, Texas

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Southwestern University

Class A

Williamson County, Texas

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Stan's North Austin LLC

Class B

Williamson County, Texas

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Star of Texas Heating and Cooling

Class B

Williamson County, Texas

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Stephen Branham HVAC, LLC

Class A

Williamson County, Texas

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Stephen Jackson Mccormack

Class B

Williamson County, Texas

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Steven King Heating and Cooling

Class B

Williamson County, Texas

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Stonewall Mechanical LLC

Class B

Williamson County, Texas

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Stryker Heating and Cooling, LLC

Class B

Williamson County, Texas

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Subcool A/C & Heating

Class B

Williamson County, Texas

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Swamp ASS Solutions HVAC LLC

Class B

Williamson County, Texas

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T M Air Conditioning & Heating

Class B

Williamson County, Texas

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T.E.a.M. Solutions Inc

Class A

Williamson County, Texas

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Tall Guy A/C & Heating Inc

Class B

Williamson County, Texas

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Tall Guy Air Conditioning & Heat, Inc

Class A

Williamson County, Texas

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Tdindustries Inc

Class A

Williamson County, Texas

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Tehvac Services LLC

Class B

Williamson County, Texas

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Temperature Pro Round Rock

Class A

Williamson County, Texas

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Terry Lendon Hightower

Class B

Williamson County, Texas

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Tetco Mechanical

Class B

Williamson County, Texas

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Texan HVAC LLC

Class A

Williamson County, Texas

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Texas A/C & Heating

Class B

Williamson County, Texas

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Texas All Air AC Htg & Refrigeration LLC

Class B

Williamson County, Texas

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Texas Golden Air

Class B

Williamson County, Texas

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Texas Legacy Services LLC

Class A

Williamson County, Texas

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Texas Quality Services LLC

Class A

Williamson County, Texas

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Texas Select Air Conditioning LLC

Class B

Williamson County, Texas

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THE A/C Guy of ATX LLC

Class A

Williamson County, Texas

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THE A/C Guy of ATX, LLC

Class B

Williamson County, Texas

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THE Source HVAC

Class B

Williamson County, Texas

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THS of Liberty Hill TX LLC

Class A

Williamson County, Texas

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Titan A/C and Heating

Class B

Williamson County, Texas

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Titan HVAC Services LLC

Class A

Williamson County, Texas

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TKO Heating and Air Austin

Class B

Williamson County, Texas

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Torrex Mechanical LLC

Class A

Williamson County, Texas

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TR & Lane LLC

Class B

Williamson County, Texas

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Trend HVAC Solutions Inc

Class AClass B

Williamson County, Texas

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Tri Custom Air

Class B

Williamson County, Texas

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Tri-Point Refrigeration Inc

Class A

Williamson County, Texas

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Trinh's AC Service,LLC

Class B

Williamson County, Texas

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Call (844) 833-0090Independent local HVAC provider · not a listed contractor