The director of Penn College’s National Sustainable Structures Center was invited to serve as guest blogger for the state Department of Community and Economic Development’s observance of National Weatherization Day on Wednesday. In her post, Alison A. Diehl shares information about the center’s renowned training and technical assistance programs for home energy professionals and commercial building operators. “Working in weatherization can open the door to many opportunities in the growing energy efficiency industry,” she wrote. “For individuals with a passion to improve the quality of life in their communities and looking for a career with growth potential, earning credentials through NSSC’s training programs is a great pathway to consider.”