5 Point Proof Comparison

We are happy to answer your replacement window questions, but we want to go one step better. We’ll show you the proof behind those answers; the reasons why Infinity from Marvin® is your best choice in replacement windows. Our windows meet and exceed the most stringent standards, but we know they must still meet an even …

Join us at the 2014 Denver Home Show

Having served the Greater Metro area for over thirty five years, Gravina’s Window Center is a well-established company consistently recognized for outstanding service in FIBERGLASS window and door replacements. CELEBRITY & EXPERT KEVIN O’CONNOR, Host of this old house Kevin O’Connor is the host of the award winning series This Old House and Ask This Old House. He …

Introducing LoĒ-366 Glass for windows

  Enhanced Winter Performance Glass   1 Double-pane windows become triple-pane performers Introducing Loå-i89™, our new energy-saving 4th surface coated glass. It offers more light transmittance and less reflectance than Loå-i81. And it’s now available in annealed making it less expensive. Yet it still delivers a center of glass U-Factor of just 0.20 when coupled …

Help choosing a new replacement window

Your Denver replacement windows company. We carry windows from Marvin Windows and Doors featuring their Ultrex Fiberglass Infinity Window. Choose Gravina’s for your new windows, patio doors and entry doors!  303-794-0490 Gravinas Window Center Denver Replacement Windows 89 W Littleton Blvd Littleton CO 80120 United States 303-794-0490

Read a Review of Gravina’s Window Center

Great people to work with.  We recently did a full frame replacement of all the windows in our home with Infinity from Marvin Ultrex Fiberglass windows.  The windows are wonderful, the installation was  efficient and well done and the final finish (stained) was nicely done.  Gravina’s Window Center was recommended to us by friends and …