Denver Window Replacement

Are you ready to give your home in Denver the replacement windows and doors it deserves? Make sure to choose a reliable and reputable window replacement company to help you find the perfect fit for your home. You can be sure that each replacement window or door is crafted with durability, style, and energy efficiency in mind - all while ensuring you're getting a good bang for your buck. When you're done shopping around, we guarantee that you'll know precisely why Denver is the ideal place to get replacement windows and doors.


Denver Window Company

Since 1973, Gravina's Window Center of Littleton has been the Denver window company for the highest-quality window replacement. Gravina's Window Center of Littleton has delivered the Denver Metro Area and Front Range top-notch window replacements for an incredible half a century. This family business has an A+ BBB rating for its unwavering commitment to energy efficiency in each installation – allowing you to relax knowing your dream windows or doors are expertly installed!


  • Get the most durable fiberglass window on the market - Infinity from Marvin
  • Window replacement from start to finish.
  • Boost the value of your home with energy-efficient fiberglass replacement windows.
  • Custom-made for a flawless fit.

Patio Doors

Patio doors designed and constructed to defend your home from Colorado weather, day in and day out.

Entry Doors

Our entry doors feature unsurpassed quality and style to create the perfect focal point for your home.

Storm Doors

We have a wide variety of storm doors that can be customized to your home. We also offer door installation.


We offer James Hardie fiber cement siding with multiple options and styles, exemplifying our commitment to elegance and endurance.



Fiberglass Windows - The Infinity from Marvin Advantage

  • Expands 87% less than vinyl - resists expanding and contracting in any climate
  • 8 times stronger than vinyl - protects the integrity of your home
  • Resistant to leaks, seal failures and stress cracks - all things that can affect energy efficiency
  • Ultrex's fiberglass windows and doors strength delivers narrow profiles for expanded views and more daylight
  • Our proprietary acrylic finish is fade-resistant and virtually maintenance-free
  • We offer a complete collection of styles, features and options to complement any home

Colorado's Oldest Infinity from Marvin Retailer



We've Been Installing Windows and Doors For Over 50 years

Are you a Denver homeowner in need of new windows or doors? Look no further than Gravina's Window Center of Littleton - the longest-standing Infinity from Marvin dealer in all of Colorado! Make your home more stylish and energy efficient with top-quality products.


The benchmark for customer service and satisfaction

  • Limited Lifetime Warranty for as long as you own your home
  • An experience that is designed to give you assurance at every step of the way
  • Our core value: Do the Right Thing.
  • Limited Lifetime Warranty for as long as you own your home
  • Tailored experience that guarantees peace of mind for years to come.
  • We stand behind the products we sell and install.

Te benchmark for customer service and