Location
St. Louis, MO
HOMEOWNERS LOVE US
Over 10,000 Happy Customers
We love our customers, and it turns out, the feeling is mutual.
Easy from start to finish!! Great communication and quick quality install!! We are so happy we went with this company! Love the new windows!!
St. Louis, MO
Performance Windows did a great job on my installation! They were quick and efficient, and the quality was great. I live on a main drag, and the new windows have already greatly reduced the traffic sounds, so I have to imagine they’ll help my heating and cooling costs as well. Thanks Performance!
St. Louis, MO
Loved the windows!!!! Saves me so much on my energy bill. House is so much more comfortable now
St. Louis, MO
Guys showed up right on time. Very friendly, professional and skilled. Pleasure having them in my home.
St. Louis, MO
Installers were great. Respectful, professional and cleaned up as they went. Everything looked great when they were done. I was extremely impressed with their work!!
St. Louis, MO
Ready for a 5 star review of your own?
OUR PROCESS
A Simple, Stress-Free Window Replacement Experience
New windows, no-nonsense. Here’s what to expect when working with Performance Windows.
Free Consultation
Skip the 3-hour, high-pressure sales pitch. We’ll answer questions in under an hour.
Measure & Make
Luxury windows, carefully measured, custom made, and designed to fit perfectly.
Fast Installation
Our expert installers complete the job quickly and correctly. Typically in just one day.
Enjoy the Upgrade
Say “goodbye” to drafty rooms and extreme temperatures and “hello” to year-round comfort.
Ready to replace those old windows? Upgrade your home and your life.
A Lifetime Warranty That — wait for it — Lasts a Lifetime
Our windows are built to last by Alside, a US manufacturer with 75 years of experience. And we stand behind them. All our standard window options are covered for life by Alside’s Manufacturer’s warranty.
Portfolio
Featured Installations Near St. Louis
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Ready to start your project?
St. Louis
Blake B, Manager
Contact Performance Windows in St. Louis
- Performance Windows
-
945 Hornet Dr, Suite 250
Hazelwood, MO 63042 - Monday-Saturday: 9AM–5PM
- sales@goperformancewindows.com
Contact Us for a Free Quote
We won’t sell your info and we don’t do high-pressure sales tactics. Your info is safe with us!
