Date: June 26, 2018


The U.S. Department of Energy (DOE) outlined requirements to support and verify quality work in the Weatherization Assistance Program (WAP) beginning in Program Year (PY) 2014. Weatherization Program Notice (WPN) 14-4, which was superseded by WPN 15-4, defined what constitutes a quality installation of weatherization measures, outlined how those measures are inspected and validated, and defined acceptable training and credentialing of workers.