Colorado’s Most Affordable Replacement Windows

Why Replace Your Old Windows in Your Home?

Energy-Efficient Replacement Windows at the Lowest Prices

Replacing your home’s outdated windows not only improves your indoor comfort, it saves energy and reduces your total monthly energy bill drastically. Many homeowners pay for their window replacement investment in just a number of years of energy savings!

  • Reduce the dangerous levels of solar radiation (blocking up to 85% of UV rays) entering your home, protecting your family’s health and reducing the amount of damage to your personal belongings. Materials such as carpet, fabrics, paper, artwork, paints, and wood may fade when sunlight is exposed through basic glass composures
  • Noise reduction is an element of window replacement that is often overlooked. Double-pane windows with Argon Gas reduces the outside noise of traffic, dogs barking, etc
  • Increase the value of your home! Energy Efficiency and eco-conscious upgrades have a big return on investment. An increased home value is lucrative in both the short term as well as the long term

Ask about our exceptional Simonton Patio Doors to match your new Windows!

Energy Efficient
Replacement Windows
Sliding Doors

We now offer both Simonton and Milgard Windows and Doors, all manufactured in the USA.

Impressive Quality

Proven Performance

Unmatched Comfort & Control

Simonton’s award-winning windows and doors are designed to satisfy a simple purpose: to brighten and beautify your home and to enhance your comfort and peace of mind for generations to come.

Premium Vinyl Construction 

Simonton first-generation vinyl uses the best raw materials to create a durable, thermal-efficient product that withstands harsh weather conditions. The color of the vinyl is integrated throughout, so the frame and sash are virtually maintenance-free and will never require painting like wood windows

  • Simonton vinyl windows are available in a wide variety of geometric shapes, colors, and operating styles that can be custom made to nearly any size requirement, making them a perfect fit for any home.
  • When you choose Simonton to replace your windows, you’re investing in quality award winning residential replacement windows that enhance your home’s comfort, curb appeal and value.

For more product information, visit the website, contact us with any 
specific window fitting questions, or for other replacement window brands available.

Please call 303-973-1507 or fill out the NO-hassle form on contact us page, and we will call or visit you at your convenience. We look forward to helping you find the perfect replacement windows for your Colorado home!

Ask about how to qualify for FREE INSTALLATION!

Ask about our window installation offer on orders with a minimum purchase of eight windows. We want to earn your business and will beat any competitor’s price, while providing exceptional service and the highest-quality products!

K and K Classic Designs | Colorado's Premiere Window Replacement & Siding Experts | Call Ken at 303-973-1507 - Ask for Referrals |


K&K Classic Designs | Colorado’s 5-Star Window Replacement & Siding Experts

Call Ken at 303-973-1507 – Ask for Referrals & for a FREE In-Home Estimate