Texas HVAC (ACR) License Lookup
Licensed by Texas Department of Licensing and Regulation (TDLR)·Reference last reviewed June 2026
Quick answer: Texas HVAC contractors are licensed by TDLR under its Air Conditioning & Refrigeration (ACR) program. To verify one, search by name or license number on TDLR’s free License Search, confirm whether the contractor holds a Class A (unlimited tonnage) or Class B (limited capacity) license and that it is active, then check the company’s documented permit history.
How to look up a Texas hvac (acr) license
Texas HVAC (ACR) licenses are verified on the official TDLR License Search. Then use the search above to confirm the company's documented permit history and the Texas cities it actually works in.
- Open TDLR’s free License Search and choose the Air Conditioning & Refrigeration (ACR) program.
- Search by the contractor’s name, business name, or license number.
- Confirm whether the license is Class A (unlimited tonnage) or Class B (limited capacity) and that its status is active.
- Check the documented permit history below to gauge the scale and locations of the company’s recent HVAC work.
Texas hvac (acr) license types
On the TDLR License Search, a Texas hvac (acr) license appears as one of these classes. Confirm the type and that its status is active before hiring.
- Air Conditioning & Refrigeration Contractor — Class A (unlimited tonnage)
- Air Conditioning & Refrigeration Contractor — Class B (limited capacity)
- Certified ACR Technician (registered)
Texas hvac (acr) license FAQ
Do HVAC contractors need a license in Texas?
Yes. Air conditioning and refrigeration (HVAC) work in Texas requires a TDLR ACR contractor license. The contractor holds either a Class A (unlimited tonnage) or Class B (limited capacity) license, and technicians may be registered as Certified ACR Technicians.
What is the difference between a Class A and Class B HVAC license in Texas?
A Class A ACR license allows work on systems of any size (unlimited tonnage), while a Class B license is limited to smaller systems (limited cooling and heating capacity). Both appear on TDLR’s License Search with their current status.
How do I verify a Texas air conditioning contractor?
Search the company on TDLR’s License Search to confirm an active ACR contractor license and its class, then review its documented permit history on Zabalist to see project scale and the Texas cities it serves.
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Licensing data is sourced from Texas Department of Licensing and Regulation (TDLR), county building-permit offices, and other Texas public records. Reference last reviewed June 2026.