Skip to content
State files updated Oct 27, 2026
Look up a contractor
MenuClose

Home / Licensing / Washington / EC-6A

EC-6A HVAC/Refrigeration License (Washington)

Washington has 523 active EC-6A HVAC/Refrigeration holders in the state file as of 2026-10-271, the 15th-largest of 28 classes with at least 200 holders. 16 of them expire by 2026-12-26.

Active holders
523
0.7% of active Washington licenses
Expiring by 2026-12-26
16
3.1% of holders
Median bond on file
$4,000
507 bonds

What does the Washington HVAC/Refrigeration license require?

Exam

None for contractor registration.2

Bond

Specialty contractor $15,000 (RCW 18.27.040, effective 7/1/2024; general contractors $30,000; assignment of savings account allowed).3

Class rules: check with WA L&I.

All Washington license requirements

How do you check an EC-6A license?

Search by license number or business name on the Washington license lookup, which reads the same state file.

Sources

  1. WA L&I via data.wa.gov (m8qx-ubtq, bzff-4fmt, ciwg-agsx) (data.wa.gov, 2026-10-27)
  2. WA L&I: exam (lni.wa.gov)
  3. WA L&I: bond (app.leg.wa.gov)
  4. WA L&I - Contractor Registration (lni.wa.gov)