Penn Windows & Doors specializes in custom made replacement windows designed for you and your home. We will walk you through your choices, then install your new window for you and dispose of the old one. Enjoy our 10 Year Service & Workmanship Warranty with every window installed by us!

Learn More

Penn Windows & Doors sells beautiful ProVia entry systems that will greet your guests with classic elegance and style! ProVia Doors takes pride in manufacturing doors of top quality construction, made with the finest materials, and backed by their Lifetime Limited Transferable Warranty.

Learn More


Penn Windows & Doors has been servicing the Lehigh Valley since 1948. Penn is a local family owned and operated business focused on supplying Allentown, Easton, Bethlehem, and the surrounding areas with top quality products and great customer service. We specialize in custom vinyl windows, custom steel and fiberglass doors, storm doors and sliding patio doors. We install everything we sell, giving our customers a 10 Year Workmanship and Service Warranty in addition to all manufacturers’ lifetime warranties.

Call us for a free in-home consultation 6 days a week or visit our showroom at 1518 Union Boulevard in Allentown, PA 18109.

We Stand By Our Work

Penn Windows & Doors is proud to present you with a superior 10 Year Workmanship and Service Warranty. This warranty is in addition to, but runs concurrently with any manufacturers’ warranties. It covers all service calls related to warranty replacements and/or installation issues for the first ten years after product installation. This Workmanship and Service Warranty is non-prorated and non-transferable.

Learn About Our Warranty

Get In Touch With Us