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State Requirements

HVAC License Requirements
in Washington

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

License RequiredEPA 608 RequiredCE: 8 hrs

Key Takeaways

Washington requires a state HVAC license, but a federal EPA Section 608 certification is mandatory for anyone handling refrigerants. Licensing typically requires up to 2 years of documented experience.

  • State license: Required
  • EPA 608 certification: Required (federal)
  • 2 license types available
  • Continuing education: 8 hours
  • Regulated by: Washington Department of Labor and Industries
License Types
Washington HVAC Licenses
Washington offers 2 license types for HVAC professionals. Review the requirements for each below.
HVAC Specialty Electrician License (06A)
Required for technicians who perform electrical work as part of HVAC installations.
Experience: 2 yearsExam required: Yes
Complete required training hours
Pass the state 06A specialty exam
General Contractor Registration
Required for all HVAC contractors operating in Washington.
0Exam required: No
Register with the Department of Labor and Industries
Provide proof of bonding and insurance
Regulatory Authority
Regulatory Body
Washington Department of Labor and Industries
Visit Official Website →
Additional Notes
Washington requires HVAC technicians who perform electrical connections to hold an 06A specialty electrician license. All contractors must register with L&I.
Data source: Licensing requirements sourced from official state regulatory body publications and verified against ACCA (Air Conditioning Contractors of America) state licensing guides. EPA Section 608 requirements per 40 CFR Part 82. Last verified: June 2026. Licensing rules change — always confirm requirements directly with Washington Department of Labor and Industries before applying.
Related
Washington Salary Data →Washington HVAC Programs →Washington Apprenticeships →
Next Step
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Washington.
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