A Trusted Window Replacement Company

We’ve been known as the trusted window replacement company for St. Louis & St. Charles Counties since 1953.

So, how may we help you today?

Windows

Doors

Siding

Gutters

3 Jobs Available For Immediate Hire. Apply Here >>

We provide the best everyday value on top brands 🙂

Combining unmatched performance with distinctive style for a perfect fit.

Lower the cost of your next big home improvement with our new financing. Learn more >

Find expert tips on buying windows and doors in this informative eBook:

window replacement company guide

What Our Customers Say

About us as a window replacement company; our products, pricing, and workmanship.

Energy Efficient Windows

Consider installing energy efficient windows to reduce your home energy consumption and save!

We offer the best in energy efficient windows, Anderson.  These windows reduce the environmental impact homeowners have and increase savings.

LEARN MORE

Who is Penny Window?

For over 60 years, we have been serving greater St. Louis and St. Charles County with windows, doors, and siding.

We offer top of the line products at a discount price.  Penny Window gives homeowners a simple and affordable way to freshen up their home.

MORE ON PENNY

Fresh Window and Door Posts

Dig in to learn all about windows, doors, and more.

Sliding Glass Doors vs French Doors - Penny Window

Sliding Doors vs. French Doors, Which Is Right For You?

| Doors | No Comments
Patio doors in your home can provide many benefits. They can allow more sunlight in