Replacement Windows Built for Montana
At Montana Exteriors, we specialize in high-quality window replacement designed to enhance your home’s energy efficiency, comfort, and curb appeal. Serving Helena, Montana, and the surrounding areas, our team delivers expert installation using only premium materials built to withstand the harsh Montana climate.
BEFORE
AFTER
Why Choose Our Replacement Windows?
✅ Energy Efficiency
Our windows are engineered for superior insulation, helping reduce heating and cooling costs year-round. Enjoy a more comfortable home and lower utility bills with ENERGY STAR®-rated products designed for Montana’s extreme weather.✅ Durability You Can Trust
We install windows that are built to last—resistant to warping, cracking, and fading, even in the most challenging weather conditions. Backed by our Lifetime Warranty, you can rest easy knowing your investment is protected.✅ Custom Styles & Sizes
From classic double-hung to modern picture windows, we offer a wide selection to match your home’s architecture and your personal style. All windows are custom-fit for a seamless installation and superior performance.✅ No-Pressure, Free Estimates
Our team provides honest recommendations—not pushy sales tactics. We offer free, no-obligation estimates and clear guidance every step of the way.
Improved Aesthetics With Stunning Window Installations
Windows can enhance the appearance and comfort of your home when installed by our experts who have been successfully installing windows for more than 15 years and still counting!
Installations, replacements, and removals – we do them all. Call us at 406-431-8355 to learn more about our services
Alside Windows for Maximum Efficiency
Your satisfaction and comfort is paramount and we trust only Alside products. Alside gives you the option of colors, glass styles, and patterns to choose from.
Make your home stand out from the rest by giving it the perfect set of windows to complement your style. Alside is renowned for durability and sustainability in the business.
Choosing the Right Windows for Heightened Curb Appeal
With certified window technicians by your side, you can expect nothing short of superlative services. All of our products come with a lifetime warranty as well!
Installing the right windows can heighten the curb appeal of your home. Be the envy of your neighborhood with unique and stylish windows.
Our Process
Consultation & Assessment – We evaluate your current windows and recommend the best options.
Custom Ordering – Every window is made to fit your home precisely.
Professional Installation – Our experienced installers ensure a perfect fit, clean finish, and minimal disruption.
Lifetime Peace of Mind – Enjoy our no-hassle lifetime warranty, including full transferability if you sell your home.
It’s as simple as 1…2…3!
Estimate
Contact us today for a no-obligation, free estimate.
Order
Give us time to order the materials.
Installation
Allow us to meet and exceed all your expectations!
Types of Windows We Offer
Double-Hung Windows – Easy to clean and operate; great for ventilation.
Casement Windows – Crank open for full airflow and unobstructed views.
Sliding Windows – Smooth-gliding and space-saving design.
Picture Windows – Fixed panes that offer expansive views and natural light.
Bay & Bow Windows – Add character, space, and sunlight to any room.
Specialty Shapes – Custom window designs to match unique architectural features.
Built for Montana. Built to Last.
With a commitment to true craftsmanship and unmatched customer service, Montana Exteriors is your trusted local partner for premium window replacements. We’re proud to help homeowners across the Helena Valley and surrounding towns invest in lasting beauty and efficiency.
Contact us today to schedule your free window consultation!
We do more than just fancy window installations
Installing new windows or replacing old and shattered windows is not our sole responsibility; we also take on much more! Siding and roofing is also something that we excel in. Get in touch with our experienced staff to help you understand our diverse business demands.
Our Newsletter
At Montana Exteriors, we’re committed to bringing you innovative ideas, expert tips, and cost-saving solutions to help you upgrade your home to its best! Our newsletter delivers valuable insights, exclusive offers, and the latest industry trends—straight to your inbox.
We respect your time, so you’ll receive no more than one email per week packed with helpful information and inspiration. Simply fill out the form to subscribe and stay in the loop on the latest and greatest from Montana Exteriors!