Loranger Door and Window in Portland, Maine, is southern Maine's premier specialty door and window dealer offering name brands, as well as Millwork for the decorative touches to your home or office. We offer the installation of the new Andersen™ insert window, vinyl and clad replacement windows, exterior entry and patio doors, and storm doors.Loranger Door & Window is a locally owned family business founded in 1977. Our experience is well known for offering quality products to contractors, Remodelers, and homeowners at competitive prices. As an Andersen® Excellence Dealer, we provide proven quality and service. Loranger Door and Window is Southern Maines Premier specialty retailer. We offer everything Loranger Door and Window Install Sales. We install the new Andersen Insert Window, vinyl and clad replacement windows, exterior entry and patio doors, storm doors and other specialty products. for a free estimate.