Home Projects Window Installation

Window Installation Review

Google Review
I had a picture window and 2 side windows installed by Mainstream. They did wonderful, quality work. They were very easy to deal with and were kind, efficient, and cleaned up well. Highly recommend!!
Donald M.April 27, 2025

Donald, thank you so much for the great review! We’re thrilled to hear you’re happy with your new windows and the experience you had with our team. We take pride in delivering quality work and excellent service, and it’s wonderful to know we hit the mark. Thank you again for recommending us!

Quad City Window Replacement Window Installation Testimonials Quad City Window Projects

Successful Projects

Recent Window Projects

Window InstallationJamie C. Window Installation ReviewAugust 7, 2025
Window InstallationEmily M. Cedar Rapids Window Replacement ReviewAugust 7, 2025
davenport window replacement - outside view of new white bay window, afterVicki P. Davenport Window Installation ReviewAugust 7, 2025
Window InstallationDiane A. Rock Island Window Replacement Service …July 16, 2025
moline window replacement - outside front view of white house with new windows, afterNoah H. Moline Window & Gutter Installation …July 16, 2025

“We could not be happier with our new windows and door! Each member of your company that we have worked with has been very kind and put our satisfaction as a top priority. Our windows look beautiful.”
- Tim & Tracy Wrengoogle