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Welcome to Penn Windows, Doors & Siding - Replacement Vinyl Windows, Vinyl Siding, Exterior Doors & More!


For over 60 years, our business has been run with three simple objectives — providing customers with quality products, an enjoyable sales experience and complete satisfaction. That’s why our customers return year-after-year for their home improvement projects.

Together, with my son and daughter, we'll personally handle every aspect of your project — beginning with an informative, FREE, in-home consultation. Or if you prefer, you can visit our beautiful Lehigh Valley showroom in Allentown near Bethlehem to view and test full-sized samples of our premium products. Our vast selection includes ENERGY STAR rated vinyl windows, steel and fiberglass entry doors, storm doors, sliding glass patio doors, French doors, energy efficient vinyl siding and accessories such as gutter and exterior shutters. In addition to the limited-lifetime transferable manufacturers’ warranties the majority of these products carry; we guarantee your complete satisfaction with a 10-year workmanship and service warranty.

Rick Hauler


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Lead Test Certification
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To schedule our FREE
in-home consultation,
call 610-433-4196
Visit our showroom at
1518 Union Blvd.
Allentown, Pa.

Showroom hours:
Monday — Friday 8–5
Saturday 10–2


Penn Window, Doors & Siding supplies exterior doors, vinyl windows and siding, exterior shutters and gutters to residents not only in Allentown but also Wind Gap, Bethlehem, Coplay, Emmaus, Coopersburg, Slatington, Center Valley, Mertztown, Hellertown, Macungie, Catasauqua, Northampton, Pen Argyl, Danielsville, Nazareth, Easton, Bangor, Schnecksville, Phillipsburg, NJ, Fogelsville, Lehigh Valley, Bath, Stockertown, Saylorsburg, Cherryville, Walnutport, Alburtis, PA

10 year service warranty Better Business Bureau Angie's List Member 2014 Penn Windows and Doors Winter Sale