Publications

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Document type: Determination, Other
Publication Date: September 2014
Page Focus: Regulatory

This document, concerning residential building codes is an action issued by the Department of Energy. Though it is not intended or expected, should any discrepancy occur between the document posted here and the document published in the Federal Register, the Federal Register publication controls. This document is being made available through the Internet solely as a means to facilitate the public's access to this document.

Document type: Analysis
Publication Date: August 2014
Page Focus: Regulatory

This report documents the technical analysis used to evaluate whether residential buildings constructed to meet the requirements of the 2015 IECC would result in energy efficiency improvements over residential buildings constructed to meet the requirements of the previous edition, the 2012 IECC. PNNL considered all code change proposals approved for inclusion in the 2015 IECC during the ICC code development cycle2, and evaluated their combined impact on a suite of prototypical residential building energy models across all U.S. climate zones.