Publications

The purpose of this analysis is to examine the cost-effectiveness of the 2016 edition of ANSI/ASHRAE/IES2 Standard 90.1(ANSI/ASHRAE/IES 2016). 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.  

The purpose of this analysis is to examine the cost-effectiveness of the 2019 edition of ANSI/ASHRAE/IES2 Standard 90.1(ANSI/ASHRAE/IES 2019). PNNL analyzed the cost-effectiveness of changes in Standard 90.1-2019, compared to the previous 90.1-2016 edition, as applied in commercial buildings across the United States.  

PNNL evaluated the cost effectiveness of the changes in the prescriptive and mandatory residential provisions of the 2021 edition of the IECC, compared to those in the prior edition, the 2018 IECC.

Expected savings overview of new homes built to the 2021 IECC and new commercial buildings built to ASHRAE Standard 90.1-2019 by State.