Energy code


See our Forms and Fees page for up-to-date required forms.

Code assistance and resources
Ventilation code

The ventilation code is no longer included in the WA State Energy Code. It is now in the Washington Administrative Code amendments of the 2015 International Residential Code and the 2015 International Mechanical Code. Visit the Washington State Building Code site.

Blower door and duct blaster test providers

Certified third party testing is not required to comply with Washington State Energy Code, however it is required by Performance Tested Comfort Systems for utility repair incentives.