Are Fiberglass Windows Really Green? A Denver Homeowner’s Guide

What Makes Fiberglass Replacement Windows and Doors Eco-Friendly? Going green doesn’t have to be complicated. For many homeowners, upgrading to fiberglass replacement windows and doors is one of the simplest and most impactful ways to make a home more sustainable. In Colorado, where the climate swings daily from hot afternoons to freezing nights, choosing the …

What Are the Best Window Types for Colorado Homes?

Colorado homes face a challenge that most climates don’t: dramatic temperature swings, snow-packed winters, high UV exposure, and dry summer heat. Your windows aren’t just design features — they’re critical to energy efficiency, comfort, and curb appeal. That’s why choosing the right window type matters. At Gravina’s Window Center of Littleton® we’ve helped thousands of …

What’s the Difference Between Vinyl and Fiberglass Windows?

Vinyl vs. Fiberglass Windows: A Side-by-Side Comparison Updated July 6, 2025 Learn the key differences between vinyl and fiberglass replacement windows, including durability, energy performance, cost, and long-term value—backed by over 50+ years of installation experience in Colorado. Overview Choosing the right window material impacts your home’s comfort, value, and energy savings. At Gravina’s Window …

Red White and You

RED, WHITE, AND YOU 2025 Thursday, July 3, 2025, in Clement Park Red, White & You – Littleton’s 2025 4th of July Celebration at Clement Park Presented by Foothills Park & Recreation District, the 2025 Red, White & You celebration returns to Clement Park with food, music, family fun, and a spectacular fireworks show. Gravina’s …

infinity from marvin windows

Why Mark Schlereth Endorses Gravina’s Window Center of Littleton

Mark Schlereth—a 3-time Super Bowl Champion, longtime NFL veteran, and well-known Denver sports broadcaster—knows a thing or two about performance, reliability, and trust. That’s why he proudly endorses Gravina’s Window Center of Littleton on 104.3 The Fan. A Trusted Voice in Denver As a respected figure on the airwaves and a household name in Colorado, …