The Window Factory offers professional window repair and replacement. 10 year glass warranty available. If you want windows for your home, Deal Direct With The Factory. The Window Factory manufactures custom-made vinyl and wood-clad windows for both residential and commercial customers. We have been a family owned business since 1962, and have always been in the forefront of product innovation. Ask about our newest innovation: Spilka Windows from Norway, built right here in Pittsburgh. You've never seen a window like this before. Wood-Clad Window Customers: We professionally stain all windows at our factory. Eliminate potential mistakes, lingering odors, and expense with this service. We saved our last customer over $3000.00 in staining expenses, compared to having it done in the home by a service. The Window Factory also offers a full range of home improvement services including siding, soffit & fascia, decking, sun rooms, conservatories, remodeling, entry doors, patio doors, and window repairs. Call today to schedule an informative and free consultation for your next project. We will make buying windows or remodeling a very pleasant experience for you.