Illinois Exteriors Inc. has been serving the DuPage County area and Chicago suburbs for more than 20 years with all of your house window, door, and siding projects. We have completed home replacement window, door and siding projects in Naperville, Wheaton, Downers Grove, St. Charles, Glen Ellyn, Winfield, Warrenville, West Chicago, Carol Stream, Elmhurst, Geneva, Batavia, Lisle, Bloomingdale and Lombard. Our service area extends throughout the Chicago area and DuPage, Cook, Kane, and Will counties. Member of Chicago Better Business Bureau, Glen Ellyn Chamber of Commerce, NARI, EPA lead-safe certified firm. Call us now at (630) 469-5400 to schedule your free consultation today!