Apex Window Works is a Chicagoland based company that specializes in all kinds of window and door repair and replacement. Our services include new technology for restoring foggy windows that have broken seals, glass replacement, wood work repair, and more (see list of services). Apex has been doing service for windows and doors for many commercial and residential properties. Our technicians are professionally mannered, experienced in their specialty, and qualified to perform jobs of great difficulty levels. All our work is guaranteed and we follow-up on any smallest concerns you might have. Apex only uses materials of the best quality and our prices are fairly competitive with the always changing market depending on each season.