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  • About Nex-Gen

    • About Us
    • Accreditations
    • Warranty
    • Blog
    • Showroom
    • COVID 19 Update
  • Windows
    • Window Styles & Options
    • Infinity from Marvin Windows
      • Double-Hung
      • Glider
      • Casement & Awning
      • Bay & Bow
      • Specialty Shapes
    • Window Installation
    • Infinity Everwood Interior
    • Insert vs. Full Frame
    • Cleaning and Maintenance
    • DIY vs. Hiring A Pro
  • Doors
    • Entry Doors
    • Inswing Patio Doors
    • Sliding Patio Doors
  • Siding
    • Diamond Kote
  • Locations
  • Contact Us

Nex-Gen provides exceptional window and door replacement services to discerning homeowners along Colorado’s Front Range and in southern Wyoming. Customers trust our professional expertise and guidance, and value our superior Infinity from Marvin Windows product and reliable installation, support, and service.

Service Locations
Cheyenne, WY - Loveland, CO - Fort Collins, CO - Greeley, CO - Louisville, CO - Longmont, CO - Lafayette, CO - View All Locations
Quick Navigation
  • About Nex-Gen
    • About Us
    • Accreditations
    • Warranty
    • Blog
    • Showroom
    • COVID 19 Update
  • Windows
    • Window Styles & Options
    • Infinity from Marvin Windows
      • Double-Hung
      • Glider
      • Casement & Awning
      • Bay & Bow
      • Specialty Shapes
    • Window Installation
    • Infinity Everwood Interior
    • Insert vs. Full Frame
    • Cleaning and Maintenance
    • DIY vs. Hiring A Pro
  • Doors
    • Entry Doors
    • Inswing Patio Doors
    • Sliding Patio Doors
  • Siding
    • Diamond Kote
  • Locations
  • Contact Us
Fort Collins

3600 Mitchell Dr. Unit 50C Fort Collins, CO 80525

(970) 517-3931

Mon - Thurs 08:00am - 06:00pm

Fri 08:00am – 5:00pm

Sat 09:00am – 3:00pm

Colorado Springs

70 Talamine Ct, Colorado Springs, CO 80907

(719) 270-4494

Mon - Fri 08:00am - 04:00pm

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