Invest in your home and comfort.
New windows offer a significant return per dollar invested, and they can improve the resale value of your home. Learn more about our best replacement windows that meet your needs.
Home Doors you will be proud to walk through!
We offer the best replacement doors including standard entry doors, sliding doors, French doors, and many others.
Give your home a fresh new look.
Upgrading your home’s siding can increase energy efficiency and decrease outside noise. Find out more about which type of siding is the best fit for your home.
Our pledge is to inform, guide, and empower you, as our customer, to succeed in your goals by making the best possible choices for your home and family.
Brent Rajewski
Owner | Nex-Gen Home Exteriors
Are you looking for replacement windows in Fort Collins? Nex-Gen Windows and Doors can help you find the right products from today’s top brands. Our goal is to be more than just a window and door consultant—we hope to be your home improvement partner. We are dedicated to customer service and pride ourselves on our attention to detail. These are the qualities that help us develop lasting relationships with our clients.
At Nex-Gen, we believe in providing only the very best products and services for our customers. Choose us if you want to work with a local window and door installation expert backed by Infinity from Marvin, a national brand ranked #1 in customer satisfaction. We’ll work hard to meet or exceed your expectations, from our very first phone call to the post-installation walk-through.
Nex-Gen is ready to meet your window and door replacement needs! To learn more about window installation in your Northern Colorado home, please contact us today at (970) 744-6762.
Choose Nex-Gen to improve your home with the following services:
Nex-Gen has been proudly serving the Northern Colorado and Southern Wyoming region for 15 years. Our central location in Loveland makes it possible to serve the entire Front Range area. We’re the trusted window and door company in:
With decades of combined experience and numerous industry accreditations, our team is highly qualified to work with you on your window and door installation project. We have refined the process to make it as smooth as possible for our customers. Rest assured that we will never leave you with any unresolved issues—our job is only complete when you are 100% satisfied!
Ready for your window replacement estimate? Contact Nex-Gen at (970) 744-6762 to request a free, no-obligation consultation.
We chose Next-Gen to replace 13 windows in July. We were extremely happy with the results.We liked their low key sales approach, price (very competitive) and results.
Next-Gen was able to exactly match the wood stain color. We also like the screens as they are almost invisible.
Richard N.
So happy with our new windows throughout our home. Ted was very knowledgeable in helping us determine what type of window would be best.
We were very pleased with the installation process led by Rick. Installation team was considerate about not making a mess and cleaning up. We love our new windows and is was great working with the staff at Nex- Gen. They ROCK!
Greg S.
Excellent service and quality product. Ted, Brent and Rick were an amazing team. They were courteous, knowlegable, and did a truly professional job from start to finish.
Our installer, Rick arrived on time, got right to work, and kept us updated on the progress of the installation throughout the day. He cleaned up at the end of the day and left no mess behind. 5 star product, 5 star service.
Diana A.
Through decades of working with homeowners, we’ve refined a process that works well for our customers and upholds our standards for transparency, exceptional service, and customer support. From the initial point of contact to the final walk-through, we honor your needs and wishes, respect your time and your property, and focus on delivering results you’ll love.
We start with a phone call to collect information about your home, your replacement needs, and your goals. Every project is unique; we learn as much as we can upfront to ensure a successful remodel experience.
We visit your home to get a first-hand look at the project and to familiarize you with our process. We discuss products and innovative solutions, and provide a transparent cost vs. value analysis and detailed proposal.
Our Elite Window Experts take meticulous measurements to ensure a smooth installation. Accurate window measurements also maximize energy efficiency and protect the aesthetics of your home.
You stay informed with periodic updates via phone, email or text. Scheduling changes are sometimes unavoidable due to the manufacturer’s date changes or inclement weather. We keep you posted in real time.
Our installers come and go with minimal disruption to your routine. No need to leave your home; most installations are completed in 1-2 days. Our crew members receive special training and pass background checks.
Upon completion, the lead installation tech does a walk-through final inspection. He provides operating instructions for your new windows and doors and reviews the warranty information.
We ask that you complete a survey as the final step in our process. Collecting feedback about your experience keeps us on our toes. If we didn’t meet your expectations, we want the opportunity to make it right.
“Serving Northern Colorado From Fort Collins to Denver, Estes Park to Greeley – We’re here for you.”
