Nex-Gen Windows & Doors Fort Collins
Nex-Gen Windows & Doors provides home-exterior services in Fort Collins and across Northern Colorado. It offers a free, no-obligation in-home consultation and a Loveland showroom where customers can see and try products.
Business Highlights
- The company says its Peace of Mind Warranty covers future maintenance and repairs for as long as the homeowner owns the home.
Service Area
Fort Collins, Loveland, Timnath, Windsor, Longmont, Greeley, Erie, Johnstown, Mead, Cheyenne, Lyons, Boulder, Brighton, Louisville, Lafayette, Colorado Springs, Monument, Castle Rock, Pueblo and Pueblo West.
Featured on ProsGrade. Nex-Gen Windows & Doors Fort Collins is one of 9 window installers ProsGrade lists in Fort Collins, Colorado.
4 services listed, including Replacement windows, Entry door replacement and Patio door replacement. Open weekdays, closed on weekends. Rated 4.9 from 491 reviews.
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- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Nex-Gen Windows & Doors Fort Collins compares with the other 8 window installers on ProsGrade in Fort Collins, using public Google ratings and review counts.
- Ranks in the top half of the 9 Fort Collins window installers on ProsGrade by Google rating and review volume.
- Rated 4.9 on Google, at or above the 4.8 average of other Fort Collins window installers on ProsGrade.
- Has the most Google reviews (491) of the 9 Fort Collins window installers on ProsGrade.
- One of 7 Fort Collins window installers on ProsGrade rated 4.7 or higher from at least 10 reviews.
Services Covered
4 services- Replacement windowsInfinity from Marvin; Ultrex fiberglass.
- Entry door replacementProVia; fiberglass construction.
- Patio door replacementInfinity from Marvin, in sliding and inswing styles.
- Siding replacement
Reviews
What customers say
Customers praise professional, efficient installation work, and more than one review notes cleanup afterward. One customer appreciated patient guidance through window selection; another highlighted a fast, detail-oriented installation.
Customer Reviews
Jessica Pendergrass
James Gunnerson
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Frequently Asked Questions
What does Nex-Gen's design process involve?
It starts with reviewing the space and discussing project needs, then comparing styles, designs and functions with a design consultant.
How long do window installation projects usually take?
Most window installation projects can be completed in a day, depending on how many windows are being replaced.
How long can siding installation take?
Replacement siding can take 3 to 6 days, depending on whether exterior repairs are needed.








