The Window Installation Company Trusted by Littleton, CO, Homeowners

There’s only one company you need to call when it comes time to have a window installation completed in your home, and that company is 1st Choice Windows & Siding. Homeowners throughout the Littleton, Colorado, area have been trusting us to install high-quality replacement windows and other home improvement products for them since our company’s founding in 1995, and we have an A+ rating with the Better Business Bureau and a long list of satisfied customers to show for our success. If you’re ready to improve the value and curb appeal of your home with new windows, there’s no better company to trust with the job.

About Our Windows

At 1st Choice Windows & Siding, we understand that a high-quality window installation starts with offering well-made windows. That’s why we’ve teamed up with trusted manufacturers like Milgard, Anlin, and Simonton to offer a variety of well-made windows that will stand the test of time. No matter your aesthetic preferences and functional needs, we’re sure to have a product that will work for you.

We offer vinyl, fiberglass, and wood windows, each of which is available in a number of popular styles and a selection of attractive colors. No matter the options you choose, we’ll back your window installation with a 10-year installation guarantee on top of any product warranty from the manufacturer.

Contact Us

There’s no better company in the Littleton, CO, area to complete your window installation than 1st Choice Windows & Siding. To get started, contact us today and schedule your free consultation with an expert on our team in person. We can’t wait to hear from you!

“Window replacement was for our elderly mother and the professionalism of the entire 1st Choice team, greatly appreciated by the family - we did not have to worry that mom was being sold a 'bag of goods.' Love the new windows! Noise reduction, energy efficiency, look, all just great!”

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“Window replacement was for our elderly mother and the professionalism of the entire 1st Choice team, greatly appreciated by the family - we did not have to worry that mom was being sold a 'bag of goods.' Love the new windows! Noise reduction, energy efficiency, look, all just great!”

“I could not believe how fast they got the job done and how well done it was! They obviously were very careful about every detail. The house looks fantastic and everyone I talked to at the company was great to work with. The guy who did the inspection for the people who bought our house even asked us who did the siding because they did such a great job!”

“Chris was an absolute gem to work with and the window suggestions were perfect. The home was built in 1962 and had all of the old steel frame windows which were losing energy rapidly. We noticed an immediate change in the environment inside the house and the outside looks fantastic. Great installers.”

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