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Illinois HVAC License Requirements

No. Illinois has no statewide HVAC license; cities and counties license HVAC work. Anyone who handles refrigerant also needs federal EPA 608 certification.

Local only · By BrazeJobs Team · Updated

Requirements

Local licenseVaries by city

Local licenses in Illinois

  • Aurora

    City

    Contractor registration/license (mechanical testing required)

    Aurora Development Services

    City accepts ICC Master Mechanical certification (N29) in lieu of municipal testing; registration, insurance naming the city.

Federal: EPA 608 certification

RuleFederal certification required to service or dispose of refrigerant equipment and to buy refrigerant

Who: anyone who maintains, services, repairs or disposes of equipment that could release refrigerant (attaching gauges, adding or removing refrigerant). Types: Type I (small appliances), Type II (high- and very high-pressure), Type III (low-pressure), Universal (all types). Expiry: credentials do not expire. Buying refrigerant: sellers may sell only to certified technicians or employers of one, with limited exceptions (e.g. small cans of MVAC refrigerant). EPA does not issue cards; approved certifying organizations do. Universal requires a proctored core exam.

  • Source: epa.gov page 1, page 2 · checked November 5, 2026
  • Source: ecfr.gov · checked November 5, 2026

Apprenticeship

Registering agencyU.S. Department of Labor Office of Apprenticeship (no state agency)

Programs register through the Office of Apprenticeship; use the Partner Finder for local sponsors.

Frequently Asked Questions

Official sources

Rules change. Confirm with your city or county licensing office before you start work.