Colorado Energy Efficient Windows

Does your home suffer from rising energy bills that are growing too big for comfort? Most homeowners don’t realize that up to 30% of their home’s heating and cooling energy is lost through leaking windows. Installing new Colorado energy-efficient windows can eliminate those leaks and reduce your energy bills by hundreds of dollars per year. With more than 30 years of experience, the professionals at Bordner will install beautiful Colorado energy-efficient replacement windows quickly, easily, and affordably.

Premium Replacement Eco-Friendly Windows

Since our founding in 1987, we’ve worked with one guiding philosophy—the customer comes first. That’s why our crews work diligently to exceed customer expectations by providing the highest-quality efficient windows, exceptional craftsmanship, and superior service. Bordner's on-going commitment to delivering premium results has earned us an A+ rating from the BBB and made us a four-time winner of the Angie’s List "Super Service Award".

At Bordner, we make getting your Colorado green windows easy. We offer numerous style and color options to match any design taste. In addition to instantly improving your home’s aesthetic, our eco-friendly windows offer homeowners the following:

  • Lower Energy Bills
  • Increased Safety and Security
  • Significantly Decreased Noise
  • Industry-Leading Warranty
  • Satisfaction Guarantee

Get a Free Price Quote Today for an Energy-Efficient Window Installation

With more than three decades of experience, Bordner has the skills and knowledge to deliver exceptional results and service for your window installation.  To learn more about our high-quality replacement windows or to receive a free, no-obligation price estimate, contact us today. Give us a call or complete the online request form, and we will contact you as soon as possible!

50% Off Installation Labor + FREE Hi-Transparency Screen Upgrade

To see why 97% of our customers would recommend us to family and friends, schedule your free in-home estimate today!

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Our Remodeling Projects

When Colorado residents need remodeling services, we're there to help. Check out the many projects we've completed throughout the area.

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Why Choose Vinyl when Fiberglass is the Best?


  • Maintenance - Don't need to re-stain and can match any style, even wood!
  • Strength - Fiberglass is 8 times stronger than vinyl windows
  • Materials- Thinner frame so you won't lose any glass space!
  • Stability - Great at insulating for energy and noise control
  • Quality - Highest quality window in the market that lasts up to 50 years
  • Added Bonus: Lifetime Warranty


  • Maintenance - Vinyl can warp in heat, but can handle rapid temperature fluctuations
  • Strength - Easy to install and don't require consistent painting
  • Materials - While you can see "scar marks", vinyl is a more affordable option
  • Stability - Expands and contracts at higher rates, but generally long-lasting