Wisconsin Replacement Windows, Doors, and Siding Company

Feldco has always had one goal: To improve the value of your home while improving the quality of your lifestyle. Today we offer an expanded product line of superior replacement windows, siding, and doors and have just opened our newest location in Milwaukee. The Sophia Series is our exclusive line of replacement windows, meticulously designed from 30+ years of industry experience and custom manufactured specifically for your home in the Greater Milwaukee area. Our replacement windows offer you and your family enhanced safety, security, comfort and ease of ownership. Because of or commitment to our customers, our company has earned the trust of over 150,000 satisfied customers and has professionally installed more than 750,000 custom replacement windows.

Our replacement windows save you energy and every window is installed by a Feldco installer certified by the Association of Window Dealers and Installers (AWDI). This insures that all the window installations performed in your home are done by professionals according to industry standards. Because of our newest location in Milwaukee we can now service those homeowners that are located in Janesville, Beloit, and the rest of Southeast Wisconsin area!