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Cost-Effectiveness of the 2021 IECC for Residential Buildings in Colorado — 2015 IECC BaselineDocument Number: PNNL-32382 | 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 2015 IECC.
State Energy Code Analysis Fact Sheet - ColoradoDocument Number: DOE/EE-2395 | Document Type: Analysis | Publication Date:
Expected savings overview of new homes built to the 2021 IECC and new commercial buildings built to ASHRAE Standard 90.1-2019 by State.
Cost-Effectiveness of the 2018 IECC for Residential Buildings in Colorado — 2015 IECC BaselineDocument Number: PNNL-32381 | 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.