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State Requirements

HVAC License Requirements
in Wisconsin

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

No State License RequiredEPA 608 Required

Key Takeaways

Wisconsin 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: Wisconsin Department of Safety and Professional Services (DSPS)
Regulatory Authority
Regulatory Body
Wisconsin Department of Safety and Professional Services (DSPS)
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Additional Notes
Wisconsin does not require a statewide HVAC license. HVAC contractors must register with DSPS and obtain credentials for certain types of work. Local jurisdictions may require mechanical permits.
Related
Wisconsin Salary Data →Wisconsin HVAC Programs →Wisconsin Apprenticeships →
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