Look up HVAC license requirements for any US state. Find license types, exams, experience, and fees. Learn more
HVAC license requirements by state
Look up HVAC license requirements for any US state. Find license types, exams, experience, and fees.
EPA 608 certification is required federally for all refrigerant work. License requirements change — always confirm with your state board before applying.
Got your license? Now get the software that runs the business behind it. Scheduling, dispatching, invoicing, and payments — one app.
How to get your HVAC license and stay compliant
Licensing rules vary significantly by state. In many regions, you need a specialized HVAC contractor license, while others require a broader general contractor license to perform large-scale installations.
Most states evaluate four key areas:
- License type — Choosing between journeyman, master, or contractor levels.
- Documented experience — Usually 2-5 years of work under a licensed professional.
- Trade exams — Testing your knowledge of codes, safety, and business law.
- EPA 608 certification — A federal requirement for handling refrigerants.
Once you are licensed and ready to take on jobs, the HVAC load calculator helps you size systems, and the HVAC upgrade ROI calculator helps you show homeowners why a new system is worth the investment.
Frequently asked questions
Do all states require an HVAC license to work?
No, HVAC licensing is regulated at the state or local level. While most states require a specific license, some leave licensing to cities or counties. Even without a state-level mandate, you will likely need a general contractor license or local permits to legally perform installations and repairs.
What is the difference between journeyman, master, and contractor licenses?
Journeyman: licensed to work on systems, but often cannot pull permits or own a business. Master: allows system design and supervision of others. Contractor: the license required to run a business, pull permits, and hire employees.
Is EPA 608 certification the same as an HVAC license?
No. EPA 608 is a federal requirement for handling refrigerants and applies in all 50 states. A state HVAC license is a legal permit issued by a state board to perform mechanical work. Most contractors need both.
What are the requirements for an HVAC contractor license?
While rules vary, most states require 2 to 5 years of documented field experience under a licensed professional. Additionally, you must pass a trade exam, a business and law exam, and provide proof of insurance.
Can I use my HVAC license in another state?
It depends on reciprocity. Some states have agreements that let you transfer your license without retaking the trade exam. However, you may still need to pass a local business law test. If no reciprocity exists, you must meet that state's requirements from scratch.