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    • The Smart Homeowner’s Guide to Energy Efficient Windows
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  • Doors
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    • Provia Entry Doors
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    • The Ultimate Guide to Exterior Door Replacement
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  • About Nex-Gen
    • About Us
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  • Speak to a Nex-Gen Expert
  • Windows
    • Window Replacement
    • Window Styles & Options
    • Infinity from Marvin Windows
      • Double-Hung
      • Glider
      • Casement & Awning
      • Bay & Bow
      • Specialty Shapes
    • Anlin Windows and Doors
    • Window Installation
    • Infinity Everwood Interior
    • Insert vs. Full Frame
    • The Ultimate Guide To Window Replacement
    • The Smart Homeowner’s Guide to Energy Efficient Windows
    • Cleaning and Maintenance
    • DIY vs. Hiring A Pro
  • Doors
    • Entry Doors
    • Provia Entry Doors
    • Provia Storm Doors
    • Provia Visualizer
    • Inswing Patio Doors
    • Sliding Patio Doors
    • The Ultimate Guide to Exterior Door Replacement
  • Siding
    • James Hardie
  • Bath
  • About Nex-Gen

    • About Us
    • Financing
    • Accreditations
    • Warranty
    • Blog
    • Showroom
  • Locations
  • Speak to a Nex-Gen Expert

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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 - Colorado Springs, CO - Greeley, CO - Louisville, CO - Longmont, CO - Lafayette, CO - View All Locations
Quick Navigation
  • Replacement Windows
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  • Siding
  • Financing
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  • Tips, Trends, and Advice
    • The Smart Homeowner’s Guide to Energy Efficient Windows
    • The Ultimate Guide to Exterior Door Replacement
    • The Ultimate Guide To Window Replacement
Fort Collins

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

(970) 673-4805

Monday-Friday 8AM - 5PM<br> Sat By Appointment Only

Colorado Springs

70 Talamine Ct, Colorado Springs, CO 80907

(719) 309-3779

Mon - Fri 8am - 5pm

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