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Cost-effectiveness Analysis of 2021 IECC - IllinoisDocument Number: PNNL-31595 | Document Type: Analysis | Publication Date:
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.
Illinois Certification of Commercial and Residential Building Energy Codes - Standard 90.1-2010 and 2012 IECCDocument Type: State Certification, State-specific | Publication Date:
Cost-effectiveness Analysis of 2015 IECC - IllinoisDocument Number: PNNL-24967 Rev-1 | Document Type: Analysis, Cost-effectiveness | Publication Date:
These analyses evaluate the cost-effectiveness of the prescriptive path of the 2015 edition of the International Energy Conservation Code (IECC), relative to the 2012 and 2009 IECC for all 50 states and the District of Columbia. The analysis covers one- and two-family dwelling units, town-homes, and low-rise multifamily residential buildings covered by the residential provisions of the 2015 IECC.