HVAC license requirements in Texas
The Texas Department of Licensing and Regulation (TDLR) issues HVAC licenses in Texas. Here's what each license level takes, from the official rules.
Issued by
Texas Department of Licensing and Regulation (TDLR)
Official siteRequirements checked October 21, 2026
License levels
One license level covers this work.
- 1
Air Conditioning and Refrigeration Contractor (Class A or Class B)
48 months of experience under a licensed contractor in the last 72 months, or 36 months in the last 48 plus a year as a certified technician. Then the contractor exam and proof of insurance. Class B is limited to cooling systems of 25 tons and under and heating systems of 1.5 million BTU/hour and under.
Official source
Rules, fees and exam schedules change. Confirm the details with the Texas Department of Licensing and Regulation (TDLR) before you apply.
HVAC technicians in Texas
From the Bureau of Labor Statistics. See a city for local wages and contractor counts.
- HVAC technicians employed
- 34,730
- Median hourly wage
- $27.77
HVAC market data by city
Once you're licensed
Tradesman runs the business side for HVAC technicians: estimates, scheduling, invoicing and payments in one app.
HVAC licensing in Texas: common questions
Who issues HVAC licenses in Texas?
The Texas Department of Licensing and Regulation (TDLR). The license levels and what each takes are listed above, with a link to the official source for each.
What does the Air Conditioning and Refrigeration Contractor (Class A or Class B) license take in Texas?
48 months of experience under a licensed contractor in the last 72 months, or 36 months in the last 48 plus a year as a certified technician. Then the contractor exam and proof of insurance. Class B is limited to cooling systems of 25 tons and under and heating systems of 1.5 million BTU/hour and under.
Licensed and ready for more customers?
Tradesman handles estimates, scheduling and invoicing so you can spend your time on the work. Now in early access.