The 2012 Seattle Energy Code, together with the entire suite of 2012 Seattle construction codes, has been approved by the City Council and Mayor, and will become mandatory for all permit applications on December 26, 2013. The Washington State and Seattle energy codes are amended versions of the 2012 IECC – the International Energy Conservation Code.
2012 Seattle Energy Code Technical Corrections
Two dozen errors and inconsistencies in the text of the draft 2012 Seattle Energy Code were identified and corrected this summer. These proposed technical and editorial changes provide coordination, clarifications and correction of typographical errors.