Publications

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

This report provides the quantitative analysis to assess whether buildings constructed according to the requirements of ANSI/ASHRAE/IES Standard 90.1-2013 would result in improved energy efficiency in commercial buildings. The analysis considered each of the addenda to Standard 90.1-2010 that were included in Standard 90.1-2013.

Document type: Analysis
Publication Date: August 2015
Page Focus: Commercial

This report provides an assessment as to whether new buildings constructed to the commercial energy
efficiency provisions of the 2015 IECC would save energy and energy costs as compared to the 2012
IECC. PNNL also compared the energy performance of the 2015 IECC with the corresponding Standard
90.1-2013. The purpose of this analysis is to help states and local jurisdictions make informed decisions
regarding model code adoption.

Document type: Analysis, Reports and Studies
Publication Date: April 2020
Page Focus: Adoption, Code Development, Commercial

The purpose of this analysis is to examine the cost-effectiveness of the 2016 edition of ANSI/ASHRAE/IES2 Standard 90.1, which is developed by the ASHRAE Standard Standing Project Committee (SSPC) 90.1, and is the model energy standard for all commercial buildings and multifamily residential buildings over three floors. PNNL analyzed the cost-effectiveness of changes in Standard 90.1-2016, compared to the previous 90.1-2013 edition, as applied in commercial buildings across the United States.

Document type: Analysis, Reports and Studies
Publication Date: January 2015
Page Focus: Adoption, Code Development, Commercial

The purpose of this analysis is to examine the cost-effectiveness of the 2013 edition of ANSI/ASHRAE/IES1 Standard 90.1 (ANSI/ASHRAE/IES 2013). PNNL analyzed the cost-effectiveness of changes in Standard 90.1 from 90.1-2010 to 90.1-2013, as applied in commercial buildings across the United States. During the development of new editions of Standard 90.1, the cost-effectiveness of individual changes (addenda) is often calculated to support the deliberations of ASHRAE Standard Standing Project Committee (SSPC) 90.1. The ASHRAE process, however, does not include analysis of the cost-effectiveness of the entire package of addenda from one edition of the standard to the next, which is of particular interest to adopting State and local governments. Providing States with an analysis of cost-effectiveness may encourage more rapid adoption of newer editions of energy codes based on Standard 90.1. This information may also inform the development of future editions of Standard 90.1.