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Replacement Windows

Welcome to Window World, the largest window replacement company in America! Window World of KIB is locally owned and operated by Chad Shirey and Matt George, and proudly serves Butler, PA and all areas surrounding the Armstrong, Clarion, Elk, Forest, Indiana, Jefferson, and Venango counties. We offer almost limitless replacement window options, including frames, grids, styles, glass options, and Low-E qualifications. We also offer many other industry-leading home-improvement products, such as:

Other Products

New replacement vinyl windows, doors, and vinyl siding can make a major improvement to your home's external appearance, as well as increase energy efficiency and property value. Window World of KIB's new replacement windows are sure to turn a few heads, as your home will look like it is the newest, sleekest, and most modern home in Butler.

Our superior line of products, as well as our top-of-the-line customer service has earned us many distinguished awards, including the coveted Good Housekeeping Seal, EnergyStar Certification, and EPA Lead-Safe Certification. So next time you see a home with beautiful new windows in your neighborhood, ask who installed them. The answer will probably be Window World of KIB! Contact us today, to schedule your free in-home demo, your home will thank you!