Refrigeration license requirements vary by state, and the differences affect how fast you can get hired and how much you can earn. This guide breaks down all 50 states so you know what is required and what to do next.
Most states do not issue a standalone "refrigeration license." They license you under HVAC, mechanical, or contractor classifications. The distinction that matters is technician level versus contractor level. If you plan to run jobs or start a business, read the difference between contractor and technician licenses before you file anything.
Often no state license required. Employers require certification and documented hours instead.
A state license is required to bid work, pull permits, and run jobs.
If you plan to move, this classification matters more than the license name.
No State License
Work under an employer license or local rules. Examples: Colorado, Indiana, Missouri.
State HVAC License
Refrigeration is covered under HVAC. Examples: Texas, Florida, North Carolina.
Mechanical Contractor License
A broader mechanical license includes refrigeration. Examples: California, Washington, Arizona.
You can work as a tech without a state license, but cities or counties may require registration.
What this means: get EPA 608, log hours, and you can get hired quickly. Contractor work still requires local compliance.
Typical across these states: 4 to 5 years experience, a trade exam plus a business law exam, proof of insurance and bonding, application fees of $75 to $300, and total licensing cost commonly $300 to $1,200.
These are stricter than many state systems. Expect exams and documented hours. For the full jurisdiction-by-jurisdiction view, use the 50-state license requirements breakdown.
Work under supervision.
Work independently.
Pull permits and run jobs.
Document your hours. Employers and licensing boards will ask for verification.
Most states require two exams: trade knowledge, and business and law. Pass rates range from 55% to 75% depending on the state. The trade exam leans hard on superheat and subcooling, electrical troubleshooting, load calculations, and refrigerant handling rules. Many techs fail the first attempt because they underestimate the business exam.
You can work as a tech much sooner, often within weeks once you hold EPA certification. If you want the compressed version, read how to get a refrigeration license fast.
According to the U.S. Bureau of Labor Statistics, HVAC and refrigeration techs earn a median of $57,300 per year, with the top 10% above $84,000. Licensed contractors and supermarket rack specialists often clear $90,000 to $120,000, or $45 to $65 per hour in high-demand markets.
States with stricter licensing tend to pay more because the labor supply is limited. Compare the numbers in the 2026 refrigeration tech salary ranking by state before you move.
States rarely use the word "refrigeration" alone. Always check HVAC or mechanical categories.
Industrial ammonia often falls under separate regulations. RETA certification becomes valuable here.
Some states honor licenses from others. Texas and Louisiana have limited reciprocity. California does not.
Even with a state license, cities may require additional registration.
Weigh cost of living against hourly rate. A $50 per hour job in California does not stretch like $40 per hour in Texas.
Do not wait. Many techs delay licensing by years and leave money on the table. If you are still getting in the door, start with entry-level refrigeration tech jobs.
Do all states require a refrigeration license?
No. Many states do not issue a specific refrigeration license, but you still need EPA 608 certification.
Can you work without a license?
Yes, as a technician under a licensed contractor or in states without licensing. You cannot legally run jobs or pull permits without a contractor license where required.
What is the hardest state to get licensed?
California and Massachusetts have stricter requirements and exams compared to most states.
How much does a refrigeration license cost?
Application, exam, and licensing fees usually total $300 to $1,200.
Is EPA 608 enough to get hired?
Yes for entry-level roles. Most employers hire helpers or junior techs with EPA 608 and basic tools.
You do not need to wait years to start. Get EPA 608, apply to commercial contractors, and build hours while you work toward licensing.
Browse Refrigeration JobsEstimate your pay, sharpen your resume, and prep for interviews before you apply.
Open the ToolsWritten by Matthew Sorensen. Skilled trades recruiting executive and founder of FridgeJobs.com. Matthew has 15+ years placing commercial and industrial trades professionals, authored four books on hiring, and hosted the Hired podcast, ranked in the top 0.5% of career podcasts worldwide.