HVAC License Requirements in Texas

Requirements to Become an HVAC Contractor in Texas

To legally perform HVAC work in Texas, contractors must obtain an Air Conditioning and Refrigeration Contractor License from the Texas Department of Licensing and Regulation (TDLR).

This license is required for anyone who installs, repairs, or maintains HVAC systems commercially. Once you understand the requirements, review the licensing costs and what the HVAC contractor exam covers.

Basic Eligibility Requirements

Applicants must meet several baseline requirements before applying. You must:

  • Be at least 18 years old
  • Have relevant work experience in HVAC
  • Pass the state contractor exam
  • Maintain liability insurance

Meeting these requirements ensures contractors have the technical knowledge needed to safely work on air conditioning and refrigeration systems.

Work Experience Requirements

Applicants must demonstrate HVAC experience before applying.

Typical Requirement

48 months of practical HVAC experience under the supervision of a licensed contractor.

Experience must include work related to:

  • Air conditioning systems
  • Refrigeration equipment
  • HVAC installation
  • System maintenance and repair

Some technical education may count toward experience requirements.

HVAC License Classifications

Texas offers two types of HVAC contractor licenses.

Class A License

Allows contractors to work on any size HVAC system.

Typically required for:

  • Commercial HVAC work
  • Large buildings
  • Industrial systems

Class B License

Allows work on cooling systems up to 25 tons and heating systems up to 1.5 million BTUs per hour.

Common for:

  • Residential HVAC contractors
  • Smaller commercial systems

Additional Certifications

Many HVAC professionals also obtain:

  • EPA Section 608 Certification (required to handle refrigerants)
  • Manufacturer certifications
  • Continuing education training

While not always required for licensing, these certifications improve job opportunities and credibility.

After You Receive Your HVAC License

Once licensed, HVAC contractors must:

  • Maintain liability insurance
  • Complete continuing education
  • Renew their license annually

Remaining compliant with Texas regulations ensures contractors can continue operating legally. For a breakdown of renewal and other fees, see the HVAC license cost guide.

How PermitSeal Helps

Navigating the licensing requirements can be time-consuming. PermitSeal helps HVAC professionals:

  • 1Verify eligibility and experience documentation
  • 2Prepare and organize application documents
  • 3Understand insurance requirements
  • 4Prepare for the licensing exam
  • 5Track application progress

Ready to move forward? Review what the HVAC exam covers or check the full cost breakdown.

Start Your HVAC License Application

If you are planning to become a licensed HVAC contractor in Texas, PermitSeal can help ensure your application is completed correctly and submitted on time.

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