How to become an HVAC technician in Washington
Licensing details read from the official agency pages on November 11, 2026. Rules and fees change: confirm 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 in our directory with the most listed programs:
- Construction Industry Training Council of Washington, Bellevue (Certificate, 12 weeks to less than 1 year; Certificate, less than 12 weeks)
- Clover Park Technical College, Lakewood (Associate's degree; Certificate, 1 to less than 2 years; Certificate, 12 weeks to less than 1 year)
- Walla Walla Community College, Walla Walla (Associate's degree; Certificate, 1 to less than 2 years; Certificate, 12 weeks to less than 1 year)
- Western Washington Sheet Metal JATC, Everett (Credential not specified)
- Bates Technical College, Tacoma (Associate's degree; Certificate, 2 to less than 4 years)
- Northeastern Washington-Northern Idaho Sheet Metal Apprenticeship Committee, Spokane (Credential not specified)
- Shoreline Community College, Shoreline (Certificate, less than 12 weeks)
- Wenatchee Valley College, Wenatchee (Associate's degree; Certificate, 1 to less than 2 years)
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?
We list 29 schools in Washington with HVAC programs, across 19 cities. Browse the full list on our Washington HVAC schools page.