Getting your Texas ACR license opens doors to a rewarding career in HVAC
Texas air conditioning and refrigeration (ACR) professionals must obtain proper licensing through the Texas Department of Licensing and Regulation (TDLR). This comprehensive guide covers everything you need to know about ACR license requirements, application processes, and ongoing compliance in 2025.
TDLR oversees all ACR licensing requirements in Texas
Overview of Texas ACR Licensing
Texas regulates air conditioning and refrigeration work through Chapter 1302 of the Occupations Code. The state offers several license types to accommodate different roles in the HVAC industry:
50,000+
Licensed ACR professionals in Texas
4
Main license classifications
8
Hours of CE required annually
ACR License Types
Texas offers four main categories of ACR licenses:
Class A ACR Contractor
Unrestricted license allowing all types of ACR work
- Commercial and industrial systems
- Residential installations
- Unlimited tonnage capacity
- Refrigeration systems
Class B ACR Contractor
Residential and small commercial systems only
- Residential installations
- Systems up to 25 tons
- Small commercial projects
- Package units
Class C ACR Contractor
Residential window/wall units and package systems
- Window air conditioners
- Wall-mounted units
- Package air conditioners
- Systems under 5 tons
ACR Technician
Installation and repair under contractor supervision
- Work under licensed contractor
- Installation and maintenance
- Repair and service
- No design or plan approval
Basic Qualification Requirements
All ACR license applicants must meet these minimum criteria:
Age Requirement
Must be at least 18 years old
Education
High school diploma or equivalent
Experience
Varies by license type (see details below)
Examination
Pass TDLR written exam
Background
Acceptable criminal history
Financial
Proof of insurance (contractors)
Experience Requirements by License Class
Proper exam preparation is essential for ACR licensing success
Class A Contractor Experience
Four years of practical experience in ACR work, including:
- Commercial systems: Large-scale installations and service
- Industrial refrigeration: Process cooling and freezing systems
- Complex controls: Building automation and energy management
- Design experience: System layout and specification
Class B Contractor Experience
Two years of practical experience focusing on:
- Residential systems: Central air and heat pump installation
- Small commercial: Rooftop units and split systems
- Service and repair: Troubleshooting and maintenance
- Ductwork: Installation and modification
Class C Contractor Experience
One year of experience with:
- Package units: Self-contained systems
- Window units: Installation and service
- Basic electrical: Unit connections and controls
- Customer service: Residential service calls
Technician Experience
Eighteen months working under licensed supervision:
- Installation assistance: Component installation
- Maintenance work: Filter changes, cleaning, basic repairs
- Tool operation: Proper use of ACR tools and equipment
- Safety practices: Following industry safety standards
Alternative Qualification Paths
Texas recognizes several alternative paths to meet experience requirements:
Formal Training Programs
HVAC programs from accredited schools may substitute for up to 50% of experience requirements
Industry Certifications
NATE, EPA, or manufacturer certifications may count toward experience
Apprenticeship Programs
Registered apprenticeships satisfy experience requirements upon completion
Military Experience
Relevant military HVAC training and experience may qualify
Examination Information
All license types require passing a comprehensive written examination covering:
Technical Knowledge (40%)
- Refrigeration cycle principles
- Heat transfer and psychrometrics
- System components and operation
- Electrical fundamentals
Codes and Standards (25%)
- Texas Occupations Code Chapter 1302
- Local building codes
- Energy efficiency standards
- Environmental regulations
Safety Practices (20%)
- Electrical safety procedures
- Refrigerant handling safety
- Personal protective equipment
- Workplace hazard recognition
Business Practices (15%)
- Consumer protection laws
- Contract requirements
- Warranty obligations
- Licensing compliance
Application Process
Follow these steps to obtain your Texas ACR license:
Gather Documentation
Collect experience verification, education transcripts, and required forms
Submit Application
Complete TDLR application with all supporting documents and fees
Schedule Examination
Once approved, schedule your exam at a PSI testing center
Take Examination
Pass the written examination with a score of 70% or higher
Receive License
Upon passing, receive your license certificate from TDLR
Required Documentation
Prepare these documents for your application:
- Completed TDLR application form
- High school diploma or GED certificate
- Experience verification forms from employers
- Training certificates (if applicable)
- Proof of insurance (contractors only)
- Application fee payment
- Valid photo identification
License Fees (2025)
Continuing Education Requirements
All ACR licenses require annual renewal with continuing education:
Complete 8 hours of TDLR-approved CE before license expiration
CE must be taken from TDLR-approved education providers
Approved providers report completions directly to TDLR
Common Application Issues
Avoid these common problems that delay licensing:
Incomplete Experience Verification
Ensure all employers complete verification forms with specific details about your work
Missing Documentation
Submit all required documents with original application to avoid delays
Insufficient Experience
Carefully calculate experience hours and ensure they meet minimum requirements
Complete Your ACR Continuing Education
Complete your renewal requirements! Our TDLR-approved ACR continuing education course is now available to help licensed technicians maintain their credentials with comprehensive EPA and safety training.
Start HVAC CE Course - $34.99TDLR Provider #2437 | 8-Hour Course | Interactive Online