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How to get a HVAC technician license in Washington

Requirements, license levels, and the issuing authority — sourced from Washington's official board.

Because HVAC/refrigeration is folded into WA's electrical licensing, an electrical contractor registration is also involved for businesses. Refrigerant work requires federal EPA Section 608 certification.

Issuing authority: Washington State Department of Labor & Industries (L&I), Electrical Program (HVAC/refrigeration regulated as specialty electrical certification). Official page: https://lni.wa.gov/licensing-permits/electrical/electrical-licensing-exams-education/electrician

License levels in Washington

Washington HVAC technician licensing at a glance

Requirements06A: 4,000 hours (2 years) of qualifying work experience (up to 2,000 hours creditable for an approved HVAC/R program) plus 48 hours classroom, then pass the certification exam. 06B: 2,000 hours; 06B hours credit toward 06A. Work must also be done under a licensed electrical contractor.
ReciprocityLimited electrical reciprocity with specific states; verify per applicant.
RenewalCertificate of competency expires on the holder's birthday, at least 2 but not more than 3 years from original issue; renewal requires continuing education (electrical CE, ~24 hours per cycle).
NotesBecause HVAC/refrigeration is folded into WA's electrical licensing, an electrical contractor registration is also involved for businesses. Refrigerant work requires federal EPA Section 608 certification.

Questions

Do you need a license to work as a HVAC technician in Washington?
Because HVAC/refrigeration is folded into WA's electrical licensing, an electrical contractor registration is also involved for businesses. Refrigerant work requires federal EPA Section 608 certification.
What HVAC technician license levels does Washington have?
The levels are 06A HVAC/Refrigeration specialty electrician (4,000 hours experience + 48 hours basic classroom instruction), 06B HVAC/Refrigeration - Restricted specialty electrician (2,000 hours experience; reduced classroom instruction).
How do you get licensed as a HVAC technician in Washington?
06A: 4,000 hours (2 years) of qualifying work experience (up to 2,000 hours creditable for an approved HVAC/R program) plus 48 hours classroom, then pass the certification exam. 06B: 2,000 hours; 06B hours credit toward 06A. Work must also be done under a licensed electrical contractor.
Does Washington have HVAC technician license reciprocity?
Limited electrical reciprocity with specific states; verify per applicant.

Related

Supply
How many HVAC technicians in WashingtonHub
All Washington trades pages

Sources: lni.wa.gov · app.leg.wa.gov. Always confirm current requirements with the issuing authority.

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