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Cost-effectiveness Analysis of 2021 IECC - IowaDocument Number: PNNL-31597 | Document Type: Analysis, Cost-effectiveness | 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.
Cost-effectiveness Analysis of 2018 IECC - IowaDocument Number: PNNL-31262 | Document Type: Analysis, Cost-effectiveness | Publication Date:
These analyses evaluate the cost-effectiveness of the prescriptive path of the 2018 edition of the International Energy Conservation Code (IECC), relative to the 2015 IECC with amendments for all 50 states and the District of Columbia. The analysis covers one- and two-family dwelling units, townhouses, and low-rise multifamily residential buildings covered by the residential provisions of the 2018 IECC.