About Nex-Gen Windows & Doors

Nex-Gen Windows & Doors, established in 2007, is a reputable window and door replacement company serving northern Colorado and the entire front range. With showrooms in Fort Collins, Colorado Springs, and Southern Wyoming, they offer a range of high-quality products. Customers praise the company's excellent communication, efficient installation process, and attention to detail. Installers are described as skilled and thorough, leaving work areas clean. The company also emphasizes customer satisfaction by checking in on projects during completion. Customers have had wonderful experiences with Nex-Gen. They appreciate the expertise of the team, especially Victor and Jacob, the project manager, who provide clear explanations and great communication throughout the process. The company is known for its high-quality work, competitive prices, and commitment to customer satisfaction. Customers are grateful for the company's professionalism, craftsmanship, and attention to detail, which have helped them upgrade their homes successfully.

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Reviews for Nex-Gen Windows & Doors

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  • Apr 2026

    I had a great experience with Kevin, the sales rep from Infinity from Marvin New Gen. He was personable, customer-focused, and took the time to explain everything thoroughly and answer all my questions. If I move forward, I’d definitely recommend working with him.

  • Jan 2026

    We made an appointment with Next Gen for an in-home consult for purchase and installation of an entry and storm door. Victor arrived a few moments before the appointment time, was respectful of our home and extremely professional. He adapted his presentation based on our comments and when a question arose regarding a design option that he was uncertain about he promptly reached out to someone he identified with more extensive experience with the product to ensure we got the correct information during our meeting with him so we could finalize our choices. When we concluded we made a poor color choose given our home’s exterior and reached out to him the following day...read full review

  • Dec 2025

    Very satisfied with the new back door. Installer Mitch was very experienced and knowledgeable showed up on time and did a perfect installation. Will do business with again in the future.

Hours

Monday: 8AM - 5PM
Tuesday: 8AM - 5PM
Wednesday: 8AM - 5PM
Thursday: 8AM - 5PM
Friday: 8AM - 5PM
Saturday: ClosedSunday: Closed

Tips

accepts credit cards