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North Texas homeowner guide

How to check an AC contractor's license in Texas

In Texas, air conditioning and heating contractors are licensed by the Texas Department of Licensing and Regulation (TDLR). Ask for the contractor's license number and look it up in TDLR's free online license search, checking that the name matches and the license is active. Techs who come to your home must be certified or registered and work under a licensed contractor.

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Quick checks

Start here

  • 1

    Ask for the license number

  • 2

    Search it on TDLR

  • 3

    Name and status match

  • 4

    Tech works under that contractor

Written for DFW homes

How to look up a license

  • Go to TDLR's online license search
  • Choose the air conditioning and refrigeration license type
  • Search by license number, name or business name
  • Confirm the license is active and the name matches the company you're hiring

Contractors versus technicians

The company you hire should hold a contractor license. Technicians who help with repair and maintenance must be certified or registered with TDLR, work under a licensed contractor, and can't advertise AC services on their own.

Before you sign

  • Get the price and scope in writing
  • Ask about the warranty on parts and labor
  • Ask whether your city requires a permit for a new system
  • Compare two or three quotes on big jobs like a replacement

Sources

FAQ

Common questions

Who licenses HVAC contractors in Texas?

The Texas Department of Licensing and Regulation, or TDLR.

Can an AC technician work without a contractor license?

Technicians must be certified or registered and work under a licensed contractor. They can't advertise AC services on their own.

How often do Texas AC contractor licenses renew?

TDLR says contractor licenses are valid for one year from the date of issue.

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How to Check an HVAC License in Texas (TDLR Lookup)