5.0 
Business Hours
Monday 7:00am - 5:00pm
Tuesday 7:00am - 5:00pm
Wednesday 7:00am - 5:00pm
Thursday 7:00am - 5:00pm
Friday 7:00am - 5:00pm
Saturday Closed
Sunday Closed
The Window Source of Southern Illinois
Listed In: Windows and Doors
At The Window Source of Southern Illinois, we make home improvement simple, affordable, and stress-free. Offering premium replacement windows, stylish entry doors, and low-maintenance vinyl siding, we ensure every upgrade enhances comfort, efficiency, and beauty. Our ENERGY STARĀ®-rated windows and… At The Window Source of Southern Illinois, we make home improvement simple, affordable, and stress-free. Offering premium replacement windows, stylish entry doors, and low-maintenance vinyl siding, we ensure every upgrade enhances comfort, efficiency, and beauty. Our ENERGY STARĀ®-rated windows and doors are built to perform in every season, helping lower energy bills while increasing your homeās value. Backed by years of experience, our friendly professionals provide clear estimates, expert advice, and flawless installation. As a locally owned company supported by a national brand, weāre dedicated to exceeding expectations across Southern Illinois with top-quality products and unmatched customer care. Read more
By Jason Wilkins on February 8, 2026 Verified by Google
By Belle McCartney on July 3, 2024 Verified by Google
By CPT Hank Simmers on August 24, 2021 Verified by Google
I got all of my homes windows installed by Window Source and the windows have Unbelievable quality and work! It totally changed the outlook of my home. I couldn't be happier with my purchase! Highly recommend to anyone needing replacement windows!
By Chelsea Wheeler on December 30, 2020 Verified by Google
By Darlene Stewart on May 12, 2020 Verified by Google
I just had my windows (11) installed. They were prompt, good to work with and excellent customer service. Very nice people and a very pleasant process. The prices were competitive and they cleaned up exceptionally well when done. They also disinfected all areas when complete. I would definitely recommend!
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The Window Source of Southern Illinois 5.0 out of 5.0 based on 6 user reviews.
The Window Source of Southern Illinois
100 N Washington St, Jeffersonville, IL
100 N Washington St, Jeffersonville, IL