Home Energy Advantage supplies and installs top-quality energy efficient replacement windows for homeowners in the Lansing, Flint and Grand Rapids, MI areas. With three locations to serve you—in Leslie, Davison and Rockford—the window replacement pros at Home Energy Advantage are in business to help you keep more of your hard-earned energy dollars. We'll do this by switching out your drafty old windows and doors with energy saving products from leading manufacturers.