ICAST and THDA are community partners in saving KUB customers energy and money Knoxville, TN – Under the Tennessee Housing Development Agency’s (THDA) Multifamily Weatherization Assistance Program, the International Center for Appropriate and Sustainable Technology (ICAST) completed its first multifamily weatherization project in Knoxville Utilities Board (KUB)’s 688-square-mile service territory and the state. Through this new multifamily program, ICAST weatherized …