Window & Door Replacement for Your Sidney, MT, Home

Take a look at the windows and doors of your Sidney, Montana, home. Are they faded, peeling, or beginning to show signs of rot? Do they stick in their frames, making them difficult to open and close? Maybe they look and function okay, but they’re so old that you’re sure they’re no longer as energy efficient as they once were. If any of this sounds familiar, consider a window and door replacement by the pros at Big Sky Exterior Designs, the window and door replacement company homeowners in the Sidney area have trusted for decades.

Replacement Windows

The windows we install are crafted by industry-leading manufacturers Simonton and Sierra Pacific, who have become trusted names in home remodeling for their unwavering dedication to quality. We install windows crafted from vinyl, fiberglass, wood, and aluminum-clad wood—your choice—that come in a plethora of window styles, including

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

Exterior Doors

When you partner with us for a window replacement project, we can also replace your home’s exterior doors with the same top-quality products our customers have come to expect. Our exterior doors are durable, energy-efficient, and customizable, making them a great investment for your home.

Contact Us

How are your home windows and doors holding up? If it’s time for a window and door replacement, don’t hesitate to reach out. We’re ready and waiting to get started on a window and door installation at your Sidney, MT, home at your earliest convenience!

“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!”

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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“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!”

“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!”

“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.”