Marvin Infinity Windows

Marvin Infinity Windows

Are you considering replacing your windows but don't know where to start? Marvin Windows has the perfect solution – Marvin Infinity Windows. With their patented Ultrex pultruded fiberglass technology, you can have the beauty of wood windows with no maintenance. Plus, they're backed by a lifetime warranty, so you can rest assured that replacing your windows with Marvin Infinity will protect your home. Don't wait – contact Gravina's Window Center of Littleton today to learn more about Marvin Infinity Windows!

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Marvin Infinity Windows

Marvin Infinity Windows

When it comes to window replacement companies in Colorado, few can match the high-quality products, skillful installations, and superior customer service given by Gravina's Window Center of Littleton. With this award-winning combination, we have helped homeowners throughout the region boost the comfort and curb appeal of their homes by swapping out their old, unsightly, or broken windows for elegant, modern, and more energy-efficient replacements. In our many years in business, our team has encountered window replacement projects of almost any size and scope. All completed each using our unique installation process.

When you select Gravina's Window Center of Littleton for the home window replacement installation, you will be able to choose from all of Marvin's window and door products to meet your specific needs.

Gravina's Window Center of Littleton Exceeds Expectations When It Comes to Window Replacement

Regardless of the style of window you desire for your residence, you can rest easy knowing that your new windows are assembled and supplied by some of the most trusted manufacturers in the window replacement industry – Infinity Windows, Marvin Windows. These top-flight windows are built using a high-performance glass that is available with a Low E2, Low E3, or Low E366/ERS glazed coating to allow for optimal energy efficiency. What’s more, the glass panes in Marvin’s Ultrex® fiberglass frames, which are both durable and low maintenance, assuring that your new windows are built to last.

Total Experience - Gravina's Window Center will replace your home's windows for you and make them look great again.

Gravina's Window Center of Littleton offers a painting and staining service that ensures your new windows perfectly match the existing interior color scheme and outside trim work of your home. Additionally, we typically perform full-frame replacements, which means we will remove your entire window – frame and all – and replace it with a new frame and trim to give your home a fresh, updated appearance.

Creating the best fit for your home with the best window on the market - Marvin Infinity Windows are a better investment than Vinyl

Marvin Infinity windows and doors are made of fiberglass and are suited for Colorado's weather.  We hear all the time about homeowners who have vinyl windows in their home and they are leaking and sagging in under 10 years.  So vinyl windows may be cheaper to start, but in the long run, you most likely will have to service and replace them again.  This costs you more so you might as well invest in a better window from the start.  Infinity is the best window for Colorado, hands down.

Energy Savings - Marvin Infinity Windows can save on heating and cooling costs

Infinity windows can cut heating and cooling costs by 11 to 37 percent.*   This is why we don't sell 50 lines of windows.  We trust fiberglass in Colorado, plain and simple.  We have the track record to prove it too.  As one of the oldest fiberglass window dealers in the country, we have had the opportunity to see how durable fiberglass is in our climate.  Unlike vinyl or wood, with Infinity you only have to replace your windows once, saving you more money in the long run.

Marvin Infinity Windows in Colorado

Gravina's Window Center of Littleton provides the highest quality products, skillful installation and superior customer service to replace windows and doors. We are a local, family-owned small business and have been serving homeowners throughout Colorado since 1973.


For more information about the window replacement costs and services we perform for homeowners in the greater Denver, CO, area, contact Gravina's Window Center of Littleton today.


*Source: Efficient Windows Collaborative

**For J.D. Power 2019 award information, visit



Marvin Infinity Windows


Infinity Windows Catalog

Options and sizing for Infinity windows and doors.

(36 pages)