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State Requirements

HVAC License Requirements
in Illinois

Everything you need to know about HVAC licensing in Illinois — from required certifications and exams to experience thresholds and application steps.

No State License RequiredEPA 608 Required

Key Takeaways

Illinois does not require a statewide HVAC license, but a federal EPA Section 608 certification is mandatory for anyone handling refrigerants. Local permits or registration may still apply.

  • State license: Not required statewide
  • EPA 608 certification: Required (federal)
  • Regulated by: Illinois Department of Financial and Professional Regulation (IDFPR)
Regulatory Authority
Regulatory Body
Illinois Department of Financial and Professional Regulation (IDFPR)
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Additional Notes
Illinois does not require a statewide HVAC license. However, Chicago and many other municipalities require local mechanical contractor licensing and permits.
Related
Illinois Salary Data →Illinois HVAC Programs →Illinois Apprenticeships →
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