Serving Fort Collins And All Of Northern Colorado For Over 30 Years
The Go-To Experts For Siding and Window Installation in Fort Collins
Discover Why We’re The Leading Fort Collins Window Installation Company.
Our family-run business, Window and Siding Outlet, has been proudly serving Fort Collins and the Front Range of Northern Colorado since 1990. As a trusted local company, we are committed to enhancing the beauty and value of homes in our community.
Our Mission
Our mission is to add beauty and value to each home we work on. The natural beauty of Fort Collins and the surrounding areas deserves to be enjoyed through high-quality windows and energy-efficient windows, especially during the cold winter months. We believe that improving the appearance and functionality of your windows not only benefits the look and efficiency of your home but also the entire community.
Expert Installation Services
We specialize in providing top-notch installation services to ensure that your home looks its best. Our expert installation services include:
- Window Installation: We offer professional window installation to enhance your home's aesthetic and energy efficiency. Our team is experienced in installing a variety of window types to suit your needs.
- Patio Door Installation: Upgrade your outdoor access with our high-quality patio door installation services, designed to provide both beauty and functionality.
- Siding Installation: Improve your home's exterior with our durable and attractive siding options. Our siding installation services are designed to protect and beautify your home.
Roofing Installation: Protect your home from the elements with our reliable roofing installation services. We use high-quality materials to ensure long-lasting durability.

Why Choose Us For Your Install

We offer competitive pricing, flexible financing options, and reliable warranties to ensure your satisfaction at Window and Siding Outlet.
Our commitment to quality and customer service has made us the trusted experts in Fort Collins for window installation and other home improvement services. We take pride in our work and strive to exceed your expectations with every project.
Get In Touch! Let’s Talk About Your Install Project Today!
Contact us today to discuss how we can enhance your home's beauty and value with our top-notch windows and installation services. Whether you're looking for window installation, siding installation, or any other exterior home renovation service, we are here to help.
Discover why Fort Collins residents trust us for all their window and siding needs. Let us show you the difference our expertise and dedication can make for your home.
Window Replacement and Installation
With quality windows available in a variety of materials, colors, sizes, and ratings you are sure to find the best windows for your home. Whether you are looking to swap out old windows for more energy-efficient ones, or are looking at options for your new home, we are sure to have what you need to enjoy your new windows for years to come.
Sliding Glass Patio Doors
Bring the outside in with our stunning selection of sliding patio doors. Installation is fast and easy. Choose from our selection of patio doors that fit your home and your needs. Want to add privacy to your home? Opt for built-in blinds inside the glass. Need to let your furry friend roam free? Add a pet-door! We are here to meet all your sliding door needs!
Siding Installation and Replacement
Transform your home with our beautiful siding replacement options. Choose from vinyl, wood, metal, and more to enhance your home's beauty and durability. Our expert installation ensures a perfect fit and long-lasting performance. Our high-quality siding solutions provide a fresh, updated look while offering excellent protection against the elements. Perfect for any style, our siding options help you design the home of your dreams with lasting appeal and functionality.
We Go Above and Beyond for Your Window and Siding Needs
See the Fort Collins Difference in Our Work and Our Windows
Personal Service
Reliable and informative service from the beginning to the end of your project. Our team in Fort Collins is here to guide you through every step of your window and siding installation.
Quality Installation
Professional and skilled installers provide a beautiful installation. We guarantee your new windows and siding will be installed to the highest standards.
WE’RE YOUR LOCAL, FORT COLLINS WINDOW & SIDING CONTRACTOR
What Makes Us Different Than Other Fort Collins Window Installation Companies?
WE'RE YOUR NEIGHBORS
Our Window & Siding Showroom is located in Loveland, Colorado right off HWY 34. Stop on in and say hi to our office team. Or make an appointment at our Fort Collins location. We'd love to meet you and assist you with your window replacement and siding contracting needs today!
WE ARE FAMILY
Our team is family-owned and operated. In fact, most of our office team are related in one way or another. We also are a dog family office, in fact, if you stop by our office - there's usually at least one friendly dog working the showroom. They also will likely be the first to greet you!
WE ARE EXPERIENCED INSTALLERS
We've been serving the residents of Northern Colorado, including Fort Collins, since 1990. That's over 30 years of quality window installation and siding experience, installation service, and reputation.
Frequently Asked Questions (FAQs)
What types of windows do you offer for replacement?
We offer a wide range of windows for replacement, including energy-efficient options, vinyl windows, and more. Our selection ensures you find the perfect windows for your home.
How long does a window replacement typically take?
The duration of a window replacement project can vary depending on the number of windows and the complexity of the installation. However, most window replacements are completed within one to two days.
Do you offer window installation services outside of Fort Collins?
Yes, we proudly provide window installation services to the entire Front Range and Northern Colorado. Our experienced installers ensure a perfect fit and high-quality finish for all of our Fort Collins window projects as well as any project we work on.
What are the benefits of replacing my windows?
Replacing your windows can improve energy efficiency, enhance the appearance of your home, and increase its value. New windows can also reduce noise and improve indoor comfort.
How do I know if I need window replacement?
Signs that you may need window replacement include drafts, condensation between glass panes, difficulty opening or closing windows, and visible damage. If you notice any of these issues, it's time to consider a replacement.
Are your windows energy-efficient?
Yes, we offer a variety of energy-efficient windows designed to reduce your energy bills and improve indoor comfort. Our energy-efficient windows are available in various styles and materials to match your home's needs.
Can I customize the windows for my home?
Absolutely! Our windows come in a variety of materials, colors, and styles. We can help you customize your window selection to perfectly match your home's aesthetics and your personal preferences.
What should I expect during the window installation process?
During the window installation process, our professional team will carefully remove your old windows and install the new ones, ensuring a precise fit and seal. We prioritize cleanliness and efficiency, minimizing disruption to your home.
Do you offer warranties on your window replacements?
Yes, we offer reliable warranties on both our windows and our installation services. These warranties provide peace of mind and ensure the longevity and performance of your new windows.
How can I get a quote for window replacement in Fort Collins?
You can get a free quote for window replacement in Fort Collins and surrounding areas by contacting us through our website, calling our office, or visiting our showroom in Loveland, CO. We look forward to helping you improve your home with new windows.