Window Installation Projects
Noah H. Moline Window & Gutter Installation Review
July 14, 2025
Needed new windows on my front porch and new gutters on the whole house.
Cynthia I. Peoria Window Contractor Review
July 11, 2025
Mainstream Home Improvement did an excellent job replacing and installing my new windows.
Mike G. Bettendorf Window Replacement Review
June 27, 2025
Mainstream has been excellent to work with; they installed new windows in my home.
John M. Davenport Window Contractor Review
June 20, 2025
Window came out of the track. Called Mainstream.
Linda W. Erie Window Replacement Review
June 18, 2025
I used Mainstream 20+ years ago for the 1st time for siding and windows and was thrilled with them!
Ty T. Knoxville Window Replacement Service Review
June 17, 2025
Where do I start? I give them 5 stars because I can’t give them 6.
Rick G. Rock Island Window Installation Review
May 25, 2025
Mainstream team did a great job on my replacement windows.
Trisha J. Davenport Window Replacement Review
May 21, 2025
The windows look amazing. They actually put in 15 new windows in one day.
Tammy S. Davenport Window Installation Review
May 14, 2025
They were very professional yet personal.
Heather B. Neponset Replacement Window Review
May 9, 2025
We absolutely love our new windows and hope to get more next year as we only replaced 10 this year.
Rick V. Moline Window Install Review
April 30, 2025
Just had 3 very large windows installed side by side.
Donald M. Window Installation Review
April 27, 2025
I had a picture window and 2 side windows installed by Mainstream.
Susanne G. Davenport Window Contractor Review
April 3, 2025
We had an absolutely fantastic experience with Mainstream Home Improvement with our recent windows instillation.
John S. Geneseo Window Replacement Review
April 1, 2025
I bought new restoration windows through Mainstream four years ago, and we have been very happy with them.
