Home Projects Window Replacement

Window Replacement Review

Google Review
We had 23 windows installed 14 years ago and couldn't be happier to this day. Extremely easy to work with and professional install service 5-star plus, hands down. If you're looking anywhere else for windows "BIG MISTAKE " take the time to find out who you should be going to and who NOT to go to! Mainstream company is definitely the RIGHT CHOICE!!!!!!
Cindy M.February 14, 2025

Cindy, thank you so much for your incredible review! We’re thrilled to hear that, even after 14 years, you’re still loving your windows. Customer satisfaction and quality craftsmanship are our top priorities, and it means the world to us that you had such a positive experience with our team. Your kind words and recommendation truly make our day! If you ever need anything in the future, we’re always here to help. Thanks again for choosing Mainstream Home Improvement!

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