Manufactured In Delaware County

The Contractors’ Source for Vinyl Windows, Doors & Awnings

Locally manufactured, energy-efficient vinyl windows and doors—in-stock sizes available now or custom-built to spec for residential projects across the Philadelphia region.

About Us
Stock Window Sizes

Free Delivery within 30 miles of 19050

Why SouthWest Vinyl Windows?

Energy Efficient Windows & Doors Built to Last

Southwest Vinyl Windows Inc. has been the trusted wholesale source for contractors, property managers, and builders across the Philadelphia metro area. We manufacture every window right here in Delaware County, PA, using premium vinyl materials and time-tested craftsmanship to deliver products that meet demanding project timelines and budget requirements. Whether you need standard replacement windows, custom-sized units, or specialty doors and enclosures, we build to your exact specs with fast turnaround.

*Please note that we do not provide installation services.

About Us

In-Stock Window Sizes —
Ready for Pickup or Delivery

We maintain a large inventory of standard vinyl window sizes so your project never has to wait. Can’t find what you need? We also manufacture custom window sizes across all styles. Download our stock size guide or contact us to discuss custom specifications.

Download PDF

Browse Our Products

From single replacement windows to full door and enclosure systems, Southwest Vinyl Windows carries everything contractors and property owners need — all manufactured or sourced with quality and value in mind.

Windows

Double Hung

Casement

Slider

Hopper

Dryer Vent

Bay

Bow

Picture

Custom Windows

Because our vinyl windows are custom made to fit your home, you have the freedom to choose from a variety of options and sizes to further customize the product of your choice and upgrade its energy performance. Browse all of our customization options below to create the perfect fit for your space.

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Other Products

Storm Doors

Enclosures

Awnings

Skylights

WHAT OUR CUSTOMERS ARE SAYING

★★★★★

Great quality and great prices. Large stock selection as well. Always recommend to my fellow contractors and property clients.

– Fraser F.

★★★★★

Customer service was excellent. The young lady was always pleasant and very helpful. I needed a window, and they found it. I placed my order, and within two weeks I had my windows as promised.

– Michelangelo D.

★★★★★

I get all my windows from this company. The owner is a generous and kind man. They service their windows for free, even years after purchase.

– Katrina S.

★★★★★

They do a great job with the windows! They are super easy to work with, and the staff is very friendly. One of the best window stores to go to.

– Yabets F.

Manufactured In Delaware County

Proudly Crafted in the USA

Every window we sell is built on-site at our Yeadon, PA facility. No middlemen, no overseas manufacturing — just locally crafted vinyl windows made with the materials and attention to detail that contractors and homeowners can count on project after project. Take a look behind the scenes.

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Get a Quote or Check Stock —
We’re Here to Help

Whether you’re a contractor pricing out a multi-unit job or a homeowner replacing a single window, our team is ready to assist. Call us, stop by, or reach out online.

Contact Us