Connect with Top-Rated Window And Door Suppliers in Mechanicsburg!

Grand Opening is a renowned provider of replacement windows and doors in Central Pennsylvania. With years of experience, our team offers a fantastic selection of energy-efficient products, including double hung, casement, awning, bay, bow, slider, and picture windows. We also provide fiberglass, steel, and storm doors, as well as sliding glass patio doors, hinged/swinging patio doors, and French patio doors. Our commitment to excellent customer service, quality products, and expert installation sets us apart from others in the industry. Whether you need a single window replaced or a entire house upgraded, our knowledgeable staff will guide you through the process, ensuring a hassle-free experience.