Nex-Gen Windows & Doors
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Nex-Gen Windows & Doors
We're a specialty window and door replacement company serving homeowners along Colorado's Front Range, southern Wyoming, and the Colorado Springs area. Customers trust our professional expertise and guidance, our superior Infinity from Marvin window products, and the reliable installation, support, and service we bring to every remodeling project.

We're not just another big window company. We care about your experience, and we care that you're pleased with the end result and everything that happens along the way. A lot goes into the decision to remodel. We look out for your best interests. We won't let you get into a situation that's not right for your home or doesn't meet your objectives.
Services
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. We offer the best replacement doors, including standard entry doors, sliding doors, French doors, and many others. Are you looking for replacement windows in Fort Collins?
Warranty
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Here at Nex-Gen, we are proud of our workmanship and the individuals that perform it. We believe that the product is only as good as the installation behind it. We offer a no question Peace of Mind Protection Warranty on all fiberglass replacement products. Above and beyond the manufacture provided warranty of the product you will have no charges.
Accreditations
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We have been an Infinity premier partner since 2012. Nex-Gen has been considered 1 of 20 businesses across the nation for the best in installation and customer service practices. We placed Infinity products first and foremost in our product line offerings.

Sam's Club Home Install Experts powered by Service Finance Company, LLC and its affiliates, handpicked Nex-Gen as it's Approved Installer and Authorized Dealer in Fort Collins and Colorado Springs!We are honored to have the opportunity to provide Sam's Club Members with this special discount offer through our Partners at SFC.
Better Service
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Nex-Gen doesn't chose to be different; it just happens naturally. The idea of providing any other product or service besides the best for homeowners would just go against what we believe is ideal for customers in our market. We needed to be the way we are naturally, and in doing so we have provided value in a way no other company can.
Better Products
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Nex-Gen has a motto, "Improving Your Home, Protecting Your Investment, " we take this saying seriously. We ensure that we are offering the best possible solution to serve our customers needs. We understand that this decision is a huge investment for your family, and we want to be able to provide you with information you can trust, and a product you can count on.
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