Apply For Our Contractor Partnership Program!

St. Louis
(314) 993-1800
Request Estimate
Request Estimate
Home / About / Why Window World

Why Window World of St. Louis?

Choose St. Louis’s #1 name in home improvement.

LIMITED TIME OFFER
0% APR For Up To 36 Months*
*See below for full financing terms.
Renovate With The Industry's Best
Ready To Get Started?

The Easy Choice For Home Improvement

Let’s Create Your Vision, Together

We’re dedicated to providing you with the best replacement products by using industry-leading materials and superior craftsmanship that last. Whether you’re in need of a minor or major home update, our team of experts provides exceptional customer service to ensure you’re fully satisfied from start to finish.

A Company & Product You Can Count On

Our products are energy efficient and ENERGY STAR® certified
Professional installation and exceptional craftsmanship
We offer the industry’s strongest warranty for years to come

Your Local Leader In Home Remodeling

Finally, a home improvement company that checks all the boxes. See what makes us St. Louis’s number one choice for replacement products.

Locally Owned & Operated
Window World of St. Louis loves the city they call home. We think it improves the customer service experience by having local and personal service.

Good Housekeeping Seal
To earn the Good Housekeeping Seal, products must undergo review from scientists and engineers at the Good Housekeeping Institute. Window World has consecutively earned this seal for 8 years.

ENERGY STAR® Partner
ENERGY STAR is a program dedicated to saving money and protecting the environment. Our products are energy efficient and you can find the ENERGY STAR label on a number of our windows, doors and siding.

St. Louis’ Choice for Replacement Windows, Doors, and Siding

  • Our crew has participated in an Installer’s Certification Program. Our trained installation experts will come to your home and install your window correctly, rain or shine, while adhering to strict industry standards.
  • Our products are custom made for your home. We offer a wide variety of colors and styles for you to make your space as personal as possible.
  • Our window products are properly installed and sealed to keep the harsh conditions out and the comfort in so that you always feel safe and protected.
  • Receive guaranteed low pricing always. Our windows, doors and siding are not only durable, but also affordable.

Increasing Your Home’s Energy Efficiency

Window World windows do more than elevate your home’s curb appeal. They increase your home’s energy efficiency, saving you money on your electric bill every month while keeping your home more comfortable year-round. Watch the video to the right to learn more about the benefits of energy-efficient windows.

A Reputation Of Excellence

See Our Accolades And Awards

Made In America
We proudly offer American-made windows, doors, and siding made with the highest quality and craftsmanship.

Award-Winning
We have won numerous awards and accolades from Good Housekeeping, ENERGY-STAR, the EPA and more!

Built to Last
Our custom-made windows are built so that you are able to enjoy them for years and years to come.

5-Star Google Ratings

What Your Neighbors Are Saying

Jason took the time to answer all my questions and concerns. He never once steered me in any direction, rather he always asked what ‘I wanted.’ As for the installation, the crew was outstanding! They were very courteous, and installed 5 doors and 4 windows in just about 7 hours. They cleaned up well after the installation. My overall rating is excellent.
H. Cardwell
My sales person, Jason, was very professional, knowledgeable, pleasant, and answered all my questions to my satisfaction. The installers, also, were professional, courteous, knowledgeable and pleasant. The installation was not the job I had anticipated, instead they made everything easy for me, and I was extremely pleased with their workmanship.
G. Absher
Sales representative was an excellent communicator and explained things. The men who installed windows were excellent. They did not waste any time installing windows, I thought they were great.
W. Jones

Schedule Your Free In-Home Estimate Today

Request Estimate
Request Free Estimate
Close
Request Your Free Estimate Today

Wait! You Forgot Your Free Estimate!

Call us at (314) 993-1800
for a free estimate or simply click the button below:

Submit Request Form
adelphic tracking pixel