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Community Development

Information for industry professionals

Energy code


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 2009 International Residential Code and the 2009 International Mechanical Code.

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.


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