About Us
For over 52 years, Gravina’s Window Center of Littleton® has helped homeowners throughout the Denver Metro Area upgrade their homes with high-quality, energy-efficient windows from Marvin®. As a trusted independent Marvin dealer—not a big box retailer—we specialize in Marvin’s full line of custom-built windows and doors, known for their superior craftsmanship, timeless design, and lasting performance.
Our relationship with Marvin reflects shared values: commitment to excellence, attention to detail, and a passion for enhancing the places people call home. Whether you’re building new, renovating, or replacing outdated windows, our expert team is here to help you find the perfect Marvin solution, designed for Colorado’s unique climate and architectural styles.
Why Homeowners Choose Marvin
- Timeless aesthetics: Clean lines, versatile design options, and architectural detail that elevate any home style.
- Energy efficiency: Built with advanced glass and frame technology to improve comfort and reduce utility bills.
- Durability: Engineered to withstand Colorado’s high-altitude sun, hail, wind, and snow.
- Custom solutions: Each Marvin window is made-to-order for your space, down to the inch, style, and finish.
Our Legacy of Quality & Service
- 1973: Jim Gravina establishes Gravina’s Window Center in Littleton, Colorado, with a focus on expert installation and quality products.
- 1980s–1990s: Our team grows to include in-house installers and service professionals committed to doing the job right the first time.
- 2000s–Today: We deepen our partnership with Marvin to bring the best in custom-built windows and doors to the Denver market.
Colorado Experts. Marvin Brand. Unmatched Results.
When you choose Marvin Windows through Gravina’s Window Center of Littleton®, you’re not just getting premium products, you’re getting a partner who knows Colorado homes inside and out. From consultation to installation, our team delivers a seamless experience rooted in service, craftsmanship, and local pride.
See why Denver homeowners have trusted us for over five decades. Discover the beauty and performance of Marvin Windows today.
Start with an In-Home Marvin Windows Consultation
Planning exterior upgrades? Don’t overlook the impact of new Marvin replacement windows, Marvin doors, or James Hardie siding. These improvements don’t just elevate curb appeal—they also boost your home’s energy efficiency, comfort, and resale value.
Marvin offers a wide selection of window styles, frame materials, and custom finishes to help you tailor your project to your vision and budget. Whether you’re replacing a few outdated windows or undertaking a full home makeover, our in-home consultation makes it easy. We’ll walk you through your options, assess your space, and provide clear recommendations that align with your goals.
At Gravina’s Window Center of Littleton®, we stand behind every project with a commitment to service, precision installation, and honest communication from start to finish.
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Why Marvin Windows Lead the Industry
Marvin Windows continues to set the standard for quality and innovation in the window industry. Known for their attention to detail and architectural versatility, Marvin’s products are crafted with high-performance materials that withstand Colorado’s harshest weather conditions—without warping, rotting, or fading over time.
Every Marvin window is built for long-term value. Their advanced glass and frame technology helps stabilize indoor temperatures year-round, which can reduce energy costs and improve comfort. With customizable options and proven performance, Marvin delivers both design freedom and peace of mind.
Homeowners across Colorado trust Marvin for their uncompromising standards, thoughtful design, and exceptional durability—backed by one of the strongest reputations in the industry.
