Publications

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Document type: State-specific, Technical Assistance report
Publication Date: September 2009
Page Focus: Adoption

This analysis of residential energy code compares the requirements of the 2009 International Energy Conservation Code (IECC) with the residential code—or typical construction practice in the absence of a code—in most states as of June 2009. The results, which include estimated typical energy savings of updating each state’s code to the 2009 IECC, are provided in chapters specific to each state.

Several states have either not adopted a mandatory energy code or developed their own codes which have minimal or no connection to the IECC. The latter—including California, Florida, Oregon, and Washington— were not included in this analysis because the codes in these states would be difficult to appropriately compare to the 2009 IECC and most of these states have energy offices that have already assessed the IECC on their own.

Document type: State-specific
Publication Date:
Page Focus: Adoption

Under the statute sections listed in this document, the Department of Commerce has the responsibility to adopt rules that establish uniform, statewide standards for the construction of 1- and 2-family dwellings. This code, in its entirety, first went into effect in 1980. Sections 101.63 (5) and 101.73 (8), Stats., require the department to review these rules on a biennial basis.

Document type: State-specific
Publication Date: July 2013
Page Focus: Adoption

This letter will serve as certification that the 2009 IECC code with Wisconsin amendements as contained in SPS chapters 360-366 were implemented on Sept. 1, 2011. Attached to this letter is an analysis of current Wisconsin UDC versus the 2012 IECC (prepared by the Midwest Energy Efficiency Alliance), which Wisconsin is in the process of evaluating (as of the date of this letter).  Changes to the Wisconsin Commercial Building Code were also implemented on Septemeber 1, 2011. This letter certifies that Wisconsin  Commercial Building Code adopted the 2009 editions of the International Building Code and the International Energy Conservation Code, with amendments as addressed in SPS Chapters 360-366.