4.5 
358 *The Angi rating for Window Service companies in Montclair, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
*The HomeAdvisor rating for Window Service companies in Montclair, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
Last update on July 26, 2025
Serving Montclair, CO and surrounding areas
Approved
In business since 2015
Free estimates
Customers say: Quality work
"All expectations met. Windows delivered earlier than expected. Very professional and expert workmanship. Would recommend this company to anyone."
+67
Serving Montclair, CO and surrounding areas
Approved
In business since 2000
Free estimates
Warranties offered
"Paul and his crew were amazing. I haven't seen three guys work that hard and that efficiently in a really long time. In addition to busting their humps, knocking out all of that work in the short weather-window they had, they were very professional and friendly too. They really took pains to make sure I was satisfied ... nay... elated... with the work. I wish everyone I contract with for work were half-as-good as Paul and his crew.
I was also pleasantly surprised with the quality of the windows they installed. I hadn't really given it much thought, and just assumed they would be cheapo windows, since that is what we have come to expect as the baseline default. They are actually well built, and come with a great warranty too.
If you want the job done right, this is the company to do it. I was extremely impressed.
"
+12
Serving Montclair, CO and surrounding areas
Approved
In business since 1998
Free estimates
Warranties offered
"JDI did an excellent job on my windows, I'd gotten pressured into a contract with Champion windows and Rex acted quickly to educated me about industry practices and ultimately helped me get much more for my money that I would have otherwise gotten. Rex's crew was great to work with and did a great job, everything went as expected, and I love my new windows. Would highly recommend JDI windows and have already recommended them to friends and family."
+16
Serving Montclair, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"Very nice to work with. The crew did a great job. I always imagined that getting a new window well would be incredibly expensive and a huge disruption. Not a all! I hardly knew the crew was there. And no hard sell on new window well. He gave me options and information"
+17
Serving Montclair, CO and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1992
Free estimates
Warranties offered
"We had the main windows done by Power Windows in 2021 and now we had them do the windows on our outbuilding and mudroom. The entire process has been great from start to finish. The windows are fantastic, keeps the heat out in the summer and cold out in the winter. The sales(Davis, Jack, and Brad) and work crew(headed by Gus) have been very up front and professional. I highly recommend this company."
+28
Serving Montclair, CO and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
"Our window started leaking after a big rain storm and I wasnâ t able to isolate the source of the leak. Jason came out the same day and was able to identify the issue with the caulk around the glass. He answered all of our questions and provided a very reasonable quote which they came back to fix the following week after the window had dried out. We had a couple other windows we were worried about sealed at the same time. Great service and workmanship! I would recommend them for all your window and glass needs."
Serving Montclair, CO and surrounding areas
Approved
In business since 1994
Free estimates
Customers say: Quality work
"Egress window installation was perfect."
Serving Montclair, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Small jobs welcome
"Outstanding window cleaning! Jose arrived promptly and worked extremely efficiently. Have business now card and will be repeat customer."
+68
Serving Montclair, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2013
Free estimates
Emergency services offered
"He did a very nice job and replaced all the window screens yesterday."
Serving Montclair, CO and surrounding areas
Approved
In business since 2005
Free estimates
Credit card accepted
"Professional, expert advice on great product, fast delivery and installment. Window wells covers were installed in one day ! Great experience with purchase and delivery. Highly recommended company..."
+6
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