Top Window Installers in Johnstown, CO

Tom is a very hard working, efficient, and thorough worker. He gets the job done in a timely manner and at the same time it also gets done the right way the first time.

I hired Colorado Window Source to replace the windows and sills in my home, along with outside wood trim on several windows. Scheduled for 2 days, the installers rushed the job leaving at 1:30pm on the first day and 2:30pm on the second. On the first d...

They are awesome!! We needed new blinds and windows. The pricing was great, the staff was amazing, and the experience overall was one of kind. Since getting the new windows our electricity bill has went down significantly since the install. The receptioni...

This company is absolutely wonderful! They are honest about work to be completed and appropriate recommendations & solutions to current window problems. Our salesperson went above and beyond helping us with our our current situation. We highly recommend t...

I was very impressed with your team that put in my new windows; they were very professional, fast and cleaned up the mess. From the start with Paolo, Tisha and Michael, everything went very smooth. Anyone I know that is looking for new replacement window...

We got new windows from Colorado Window Source and our experience was great. Everything from getting the 1st quote to choosing the best product for our house to the final measure to the installation was a pleasure to work with. Open communication is imp...

We love our new windows! The whole experience was great, from the salesman to the installer, and the follow up inspections. We have had wonderful service. We will recommend Colorado Window Source to everyone. Also, we will be contacting Colorado W...

Three weeks ago we had someone come out to give us an estimate on replacing 21 windows. We visited the showroom to look at our options in more detail. I have never received an estimate. Called three times but still no estimate. If this is the follow...

We got all new windows in our 1905 home in 2016 and I have never enjoyed our house more! This place is airtight! We can sit in any room of the house and enjoy it without drafts and with a very professional look to the windows throughout the house that did...

Keith is a con man , promises and don’t deliver . Doesn’t pay his workers what he promised . Canceled my pay check and screwed up my bank account . Spoke with several customers , took there money and hasn’t seen him in months. Real sorry pos

Keith, The owner ripped me off and others big time. I worked many hot long days for him and he made so many promises but never paid me for all my work or his promises,, How do you know his lying? His mouth is open! Save yourself and avoid him and Weather...