State Certifications and Determinations
States that have received certification letters for residential and commercial code determinations are displayed in the maps below.
To view the certification status of a particular state, select the State from one of the maps, or from the drop down state list.
States with Certification Letters for commercial code determination
States with Certification Letters for residential code determination
DOE Determinations in Progress
2003, 2006 and 2009 IECC - Under review at DOE: DOE is currently assessing whether the 2003 edition of the International Energy Conservation Code (IECC) would achieve greater efficiency compared to the 2000 IECC, and whether the 2006 IECC would achieve greater energy efficiency compared to the 2003 IECC.
When the Determination is posted, states that submit their certification will be shown in the map below and a link to their state certification letter will be provided.
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