As energy efficiency is becoming a priority for homeowners across America, many are turning to the weatherization industry to assist in their efforts. NCCER's Weatherization program offers training that exceeds the existing standards for weatherization installers, crew chiefs, and building auditors. This program combines existing NCCER curriculum with new building science modules that address the specific needs within this industry. Dual credentials are available within this program. Topics covered within this program include Sealing the Building Envelope, Commercial Drawings, and Diagnostics and Management Practices.