How to become an HVAC technician in Washington
Licensing details from the official agency pages, updated November 11, 2026. Confirm current fees with the agency before you apply.
1. Washington licensing: Washington State Department of Labor & Industries (L&I), Electrical program
- In Washington, HVAC and refrigeration work is licensed through the L&I electrical program. Under WAC 296-46B-940, L&I issues specialty electrician certificates of competency that include HVAC/refrigeration (06A) and HVAC/refrigeration, restricted (06B).
- To work in the electrical construction trade you must hold a current certificate of competency or an electrical training certificate, and a trainee must work under a supervising electrician certified in the right specialty.
Official sources: WAC 296-46B-940: Electrician, certificate of competency required.
2. Federal EPA Section 608 certification
In every state, 40 CFR 82.161 requires technicians who could reasonably be expected to violate the integrity of a refrigerant circuit to pass an EPA-approved exam. See our EPA 608 guide.
3. Training: 29 HVAC schools in Washington
The U.S. Bureau of Labor Statistics says HVAC programs at technical schools and community colleges generally last 6 months to 2 years, and apprenticeships usually last several years with paid on-the-job training (search apprenticeship.gov).
Washington schools with the most HVAC programs:
- Construction Industry Training Council of Washington, Bellevue (Certificate, 12 weeks to less than 1 year; Certificate, less than 12 weeks)
- Western Washington Sheet Metal JATC, Everett (Registered apprenticeship)
- Clover Park Technical College, Lakewood (Associate's degree; Certificate, 1 to less than 2 years; Certificate, 12 weeks to less than 1 year)
- Northeastern Washington-Northern Idaho Sheet Metal Apprenticeship Committee, Spokane (Registered apprenticeship)
- Walla Walla Community College, Walla Walla (Associate's degree; Certificate, 1 to less than 2 years; Certificate, 12 weeks to less than 1 year)
- Bates Technical College, Tacoma (Associate's degree; Certificate, 2 to less than 4 years)
- Construction Industry Training Council of Washington-HVAC, Bellevue (Certificate, 1 to less than 2 years; Registered apprenticeship)
- Shoreline Community College, Shoreline (Certificate, less than 12 weeks)
See all 29 HVAC schools in Washington, including published program prices from $11,500 to $45,556.
Frequently asked questions
Do you need a license to be an HVAC technician in Washington?
Washington State Department of Labor & Industries (L&I), Electrical program handles licensing. In Washington, HVAC and refrigeration work is licensed through the L&I electrical program. Under WAC 296-46B-940, L&I issues specialty electrician certificates of competency that include HVAC/refrigeration (06A) and HVAC/refrigeration, restricted (06B). To work in the electrical construction trade you must hold a current certificate of competency or an electrical training certificate, and a trainee must work under a supervising electrician certified in the right specialty. Federal EPA Section 608 certification applies in every state to anyone who handles refrigerants.
Where can I go to HVAC school in Washington?
29 schools in Washington offer HVAC programs, across 19 cities. Browse the full list on our Washington HVAC schools page.