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Washington Certification of Commercial and Residential Building Energy Codes - Standard 90.1-2010 and 2012 IECC
Document Type: State Certification, State-specific
Cost-effectiveness Analysis of 2015 IECC - Washington
Document Number: PNNL-24962 Rev-1
Document Type: Analysis, Cost-effectiveness
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.