Custom Entry Door
Secure, energy-efficient entry doors in a wide range of styles, colors, finishes, and glass options to match your home, boost curb appeal, and keep the cold out.
Learn MoreDesigned for Beauty. Engineered for Performance.
Patio Door
Smooth-gliding sliding and French patio doors with energy-efficient glass that bring in natural light and open up your living space.
Learn MoreThe 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