Now Receive $850 Off 4 or more Marvin Infinity Windows

Claim your $850 Off the purchase of 4 or more Marvin Infinity Windows

Schedule an appointment?

Our Work is Guaranteed for Life

We stand behind our work with our own industry-leading lifetime workmanship warranty.

Thornton Replacement Windows

When it’s time for Thornton, CO replacement windows, Bordner offers the beautiful and energy-efficient windows you need for adding value and style to your home. We have an impressive-selection of window options complete with the most trusted window installation services in the area! Our crew members are qualified and experienced remodelers dedicated to a job well done, and all projects are warranty-backed for your protection.

Whether you need a single window replaced or a full-set of high-performance Thornton vinyl windows, we are sure to have just what you’re looking for. Some of our most popular products and services include:

  • Bow Windows
  • Garden Windows
  • Slider Windows
  • Window Installations
  • And More!

Customized Energy-Efficient Bow Windows

Bow windows are made of four or five connected glass panes that extend outward for an expansive outdoors view. You can combine multiple windows styles for creating the look and function you want, and when you go with Bordner, quality products and service are guaranteed! We ensure each window is seamlessly installed, and energy-saving glass options keep your home comfortable while reducing energy costs year-round.

Beautiful Thornton Garden Windows

When you want a unique and functional Thornton, CO window replacement option, consider having a new garden window installed. These beautiful windows add a touch of class to any home while providing you with a convenient space for decorative displays, houseplants, and more! Additional benefits include:

  • Lasting quality that withstands harsh weather conditions
  • Custom, operable sidelites for added ventilation
  • A wide-selection of colors, frames, and hardware

Easy-Opening Slider Windows Expertly Installed

For a stylish window that works well in most any space, consider a new slider window. These windows are easy to open and provide added ventilation and light where you need it most. The window installation experts at Bordner will help you select the idea window features for your needs while providing you with award-winning service that’s resulted in over 60,000 happy customers!

The Experienced Thornton Window Company

Finding a replacement window company in Thornton, CO you can trust is important for protecting your home and your investment. Bordner has a long-standing reputation for quality service and lasting products, and we are also proud to be:

  • An A+ BBB-accredited business
  • A four-time winner of the Angie’s List “Super Service Award”
  • A ProVia and Infinity Platinum Retailer
  • A company recommended by 97% of our past customers!

Request a Window Replacement Consultation!

At Bordner, we strive to provide the best window replacement experience from start-to-finish. We begin each project with a free in-home consultation and estimate, so you can make sure we are the right company for you. To learn more, give us a call today or get started simply by using our online quote form now!