Cost Effectiveness of the Residential Provisions of the 2021 IECC
Following U.S. Department of Energy cost effectiveness certification of the 2021 International Energy Conservation Code (IECC), the National Association of Homebuilders (NAHB) commissioned the Home Innovation Research Labs (HIRL) to conduct an independent cost analysis of the 2021 IECC. The report, 2021 IECC Residential Cost-Effectiveness Analysis 3 (HIRL report), was published in June 2021, and … Continued