Koolmaster Co Inc. is a crew of glazing contractors who handle windows and doors for clients throughout the La Salle, Peru, Spring Valley, Mendota, Princeton, Utica, Ottaw and the entire Illinois Valley area. We carry ProVia brand doors and windows. We provide a complete line of top quality windows and doors in all styles and options. We guarantee our installations! We manufacture awnings and canopies. Koolmaster is a leading supplier of home improvement products in the area. Our services include: 24 hour board-ups Clear or tinted glass Store front remodeling Mirrors and plexiglass Glass tops and shelves We also offer aluminum and steel entrances, screens and storm windows and repairs, and custom shower doors. We welcome insurance work, and we're available for emergencies. Since 1954, both residential and commercial properties have benefited from our services. Like them, you can trust us to provide outstanding work