What are shaped windows?
The Window Source of Northwest PA installs architectural shapes for homeowners across Erie and Northwest Pennsylvania, custom shapes that finish a home’s design. From half-rounds to octagons and custom radius windows, these fixed accent windows add character to gables, entryways, and feature walls. Every install includes factory-direct pricing, professional installation, and a lifetime warranty.

What shapes are available at The Window Source?
Shaped architectural windows are available in a variety of shapes including:
- Circle top windows
- Half circle windows
- Arched windows
- Triangular windows
- Trapezoidal windows
- Octagonal windows
- Eyebrow windows
- Cathedral windows.

Why are architectural shapes a good fit for your home?
Shaped windows are custom ordered to fit your home’s requirements exactly. They are available with energy-saving upgrade options like other windows offered by The Window Source. You’ll find shaped architectural windows throughout modern homes in North America. With the Window Source, you can have modern designs incorporated into your existing home.

The Window Source Difference
More Than Just Windows, Doors, and Siding
The Window Source difference goes beyond premium products and professional installation. We’re committed to delivering an exceptional experience from start to finish, backed by the resources of a national brand and the personal touch of local ownership. When you choose The Window Source, you’re choosing a partner invested in your home’s long-term performance and your complete satisfaction.
Our Service Area
Our Erie & Northwest Pennsylvania Service Area
The Window Source of Northwest PA proudly installs replacement windows, entry and patio doors, and siding for homeowners across Erie and Northwest Pennsylvania. As a locally owned father-son team, we know these communities firsthand, from the neighborhoods of Erie and Millcreek to Meadville, Franklin, and the Shenango Valley. Wherever you are in our territory, you get the same factory-direct pricing, professional installation, and lifetime warranty.
Explore your city below to learn how we serve your neighborhood, or call us at (814) 746-6338 for a free, no-obligation estimate. Don’t see your town listed? Give us a call anyway, because chances are good we serve your area too.
Free in-home estimate
Get your free estimate in under an hour
We measure your openings, walk you through your options, and give you a clear written price. No pressure, no obligation.
- Free, no-obligation estimate
- Factory-direct pricing, guaranteed in writing
- Limited lifetime warranty on every product
- Locally owned by the Howell family, we reply within 24 hours