2022 Best of NOCO Winner!

Thank you Colorado for naming us the Best of NOCO for window replacements and home improvement. We are honored to serve you and hope you’ll celebrate this victory right alongside us.

Our Accreditations

Infinity Diamond Partner

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.


BBB Accredited Business

Nex-Gen has an A+ rating with the Better Business Bureau. If a business has been accredited by the BBB, it means BBB has determined that the business meets accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints (source: https://www.bbb.org/north-east-florida/for-businesses/about-bbb-accreditation).

Best Business of 2023

Nex-Gen Windows and Doors is proud to announce that we have been named a Best Business of 2023 by Three Best Rated. Three Best Rated is a website that helps consumers find the top 3 businesses in a variety of categories, based on factors such as customer reviews, history, complaints, ratings, satisfaction, trust, cost, and general excellence. We are honored to have been chosen as the top business in the window and door industry.


anlin windows and doors

Anlin Windows and Doors

Anlin Windows & Doors is a replacement window manufacturer and has been an industry leader for over 30 years. Anlin is recognized for manufacturing high-quality, energy-efficient replacement windows and doors and is dedicated to delivering quality products that are designed to perform and exceed expectations.  At Nex-Gen, we specialize in installing the Anlin Del Mar Window that offers beauty and superior performance in energy efficiency, operation, and noise reduction. Available only from Anlin Del Mar Gold Star Dealers.

Sam's Club Home Install Experts

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.

Lead-Safe Certified Firm

EPA’s Lead Renovation, Repair and Painting Rule (RRP Rule) requires that firms performing renovation, repair, and painting projects that disturb lead-based paint in homes, child care facilities and pre-schools built before 1978 have their firm certified by EPA (or an EPA authorized state), use certified renovators who are trained by EPA-approved training providers and follow lead-safe work practices (source: https://www.epa.gov/lead/renovation-repair-and-painting-program).

Installation Masters

All of Nex-Gen’s installation teams have gone through the Installation Masters Program, which is a nationwide training and certification program for new construction and replacement installers of windows and exterior glass doors in residential and light commercial markets (source: http://www.installationmasters.com/).

Energy Star Certified

Energy Star rating is a program that offers certification to buildings and consumer products that meet certain energy efficiency standards.

Ready to Move Forward?

Schedule a Design Consult

Are you ready to book a free design consultation? We’re here to help you navigate any questions you might have about the overall process or which products would be the best fit for your home.

Visit Our Showroom

The intimidation of a window or door replacement project will soon disappear once you see our products in person. Visit our local showroom to explore available styles and experience the quality and function of our products.