Window & Door Replacement Specialists Serving Miles City, MT, Homeowners

Do you want to upgrade your home with windows and doors that are engineered to last in the Miles City, Montana, climate? If so, Big Sky Exterior Designs is the window and door replacement company you’re looking for. We offer top-of-the-line home windows and doors that are designed to perform reliably in harsh weather while also improving your home’s curb appeal. We’re an experienced home improvement contractor that has been serving local residents since 2003 and always produces outstanding results. We’d love the opportunity to add you to our extensive list of satisfied customers!

Our Replacement Windows

We’ve partnered with top manufacturers like Simonton and Sierra Pacific Windows to ensure that you’ll be able to select from the finest replacement windows on the market. We offer vinyl, fiberglass, composite, wood, and aluminum-clad wood windows in all the popular styles, including:

  • Single-hung
  • Double-hung
  • Casement
  • Awning
  • Slider
  • Picture
  • Bay
  • Garden

Our Exterior Doors

When we’re swapping out your old windows, we’d also be happy to install replacement entry and patio doors. We’ll help you select doors that fit your style and performance criteria, and there are plenty of customization options that will allow you to turn your vision into a reality.

We’re Ready to Assist

Put your window and door replacement project in the hands of the company that always delivers outstanding results. Contact Big Sky Exterior Designs today and we’ll schedule a time to visit your Miles City, MT, home to answer your questions, provide a no-obligation estimate, and tell you about the convenient financing options that could make your project even more affordable.

“Thank you to Todd, Kyle, Sam, and Alberto and others who were involved in residing my 1908 farm house. The end result was amazing. They were able to retain the architectural challenges all while braving the end of February cold and wind! Impressive!”

The Sky Is the Limit

For Your Home Renovation Ideas

We'll be happy to help bring your remodeling dreams to life!
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Financing Available


No Interest if Paid in Full in 12 Months!

0% for 6 months followed by 9.99% for 120 months

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“We cannot say enough about how thankful we are to have found Big Sky Exterior Designs to complete our metal siding for our remodeled home. The crew was AMAZING and did such a great job and worked so hard to complete the entire house within 5 days. The crew was professional, cleaned up every evening before leaving, and paid meticulous attention to the detail work. Thank you Big Sky and the Crew. We appreciate your hard work.”

“We contracted with Big Sky Exterior Designs to put in a slider door that would replace a single exterior door to our Patio. The finished install is fantastic! The crew, Donald and Travis, were very respectful of our home and neighbors during the install as well as very professional. The outcome is better than we anticipated. Love the new slider! Definitely a professional quality install and company to have the pleasure to work with. Thank you Big Sky Exterior Designs!”

“Thank you to Todd, Kyle, Sam, and Alberto and others who were involved in residing my 1908 farm house. The end result was amazing. They were able to retain the architectural challenges all while braving the end of February cold and wind! Impressive!”