Publications

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Document type: Analysis, Technical Support Document
Publication Date: August 2014
Page Focus: Code Development

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.

Document type: Analysis, Technical Support Document
Publication Date: May 2015
Page Focus: Compliance

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.

Document type: Determination, Technical Support Document
Publication Date: September 2009
Page Focus:

The Energy Conservation and Production Act of 1976, as amended, requires the U.S. Department of Energy (DOE) to determine whether revisions to the 2006 International Energy Conservation Code (IECC) would improve energy efficiency in residential buildings. An “affirmative determination” for any IECC revision triggers a requirement that each state certify to DOE, within 2 years of the publication of the determination, that it has reviewed the provisions of the new code and made a determination whether it is appropriate to update its building code(s) to meet or exceed the revised IECC.

Document type: Analysis, Determination, Technical Support Document
Publication Date: August 2018
Page Focus: Code Development

The most recent edition, the 2018 IECC, was published in August 2017, triggering the DOE review and determination process. In response, DOE and Pacific Northwest National Laboratory (PNNL) conducted a preliminary analysis to determine energy savings for the 2018 IECC residential provisions relative to the previous edition--the 2015 IECC. This report documents the methodology used to conduct the analysis and summarizes the results and findings.

Document type: Technical Support Document
Publication Date: March 2019
Page Focus: Compliance

This report explains the methodology used to develop version 4.6.5 of the REScheck software in order to support compliance determination for IECC editions 2009, 2012, 2015, and 2018.