Publications

National Cost-effectiveness of 2018 IECC
Document Number: PNNL-28515 | Document Type: Analysis, Cost-effectiveness | Publication Date:

In this analysis, PNNL evaluated the cost-effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2018 edition of the IECC compared to those in the prior edition, the 2015 IECC.

Energy Savings Analysis: 2018 IECC for Residential Buildings
Document Type: Analysis, Determination | Publication Date:

Technical analysis in support of the 2018 IECC Determination.

Preliminary Energy Savings Analysis: 2018 IECC Residential Requirements
Document Number: DOE/EE-1972 | Document Type: Analysis, Determination, Technical Support Document | Publication Date:

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.