Find the Best Windows Near You in Denver, CO
Ready to upgrade your home but not sure where to start? Visit our fully staffed showroom to explore the full line of Infinity from Marvin® fiberglass windows and doors. Compare styles, colors, and hardware options side by side—and get expert guidance from our experienced team. Whether you're focused on energy efficiency, modern curb appeal, or long-term durability, we help you find the perfect fit.
Gravina’s Window Center of Littleton is proud to be Colorado’s oldest Infinity from Marvin dealer—and we back every product with professional installation and unmatched customer service. Stop by today to discover why so many homeowners in Denver and across the Front Range trust us to bring their window projects to life.
Take advantage of our latest fiberglass window and door specials and experience hands-on what quality looks like. Your dream home starts with a visit to our showroom.
Why Visit Gravina's Window Center of Littleton?
Our newly remodeled Infinity from Marvin showroom was designed with homeowners like you in mind. We’re open for walk-ins and appointments—ready to provide quotes, answer questions, and help you visualize your window project with clarity and confidence.
We’re located just outside of Denver at 209 W Littleton Blvd., Littleton, CO 80120. Call 303-794-0490 to schedule a personalized visit or drop by during regular hours.
Want to know what makes us different? See why Colorado homeowners choose Gravina’s Window Center of Littleton® for lasting value, local expertise, and genuine care.
Explore Infinity from Marvin Windows In Person
Seeing is believing—especially with fiberglass windows. At our showroom, you can compare Infinity from Marvin’s high-performance fiberglass frames to traditional vinyl and wood options. Examine the strength, finish quality, and slim profiles that make Marvin’s fiberglass windows stand out in Colorado’s harsh climate.
Compare Window Styles, Hardware, and Colors On Site
Every home is different—and so are the windows that suit them. Our showroom features full-size displays of casement, double-hung, sliding, bay, bow, and specialty windows. Touch and feel finish samples, test hardware options, and explore glass packages so you know exactly what you’re getting.
What to Expect When You Visit Our Showroom
- Expert guidance from trained staff—no pressure, just education
- Real product comparisons (not just brochures or photos)
- Answers to all your questions, including pricing, timelines, and installation
- Appointments available—but walk-ins welcome!
Visit Us at 209 W Littleton Blvd., Just Outside Denver
We’re located less than 20 minutes south of downtown Denver with easy parking and a welcoming atmosphere. Stop by during business hours or call us at 303-794-0490 to schedule your personalized visit. We’re proud to serve Littleton, Highlands Ranch, Lakewood, Aurora, Golden, and beyond.
Frequently Asked Questions About Our Window Showroom
Do I need an appointment to visit the showroom?
No appointment is required—we welcome walk-ins! However, if you'd like dedicated time with a consultant, we recommend scheduling a visit.
Can I get a quote during my showroom visit?
Yes. Our team can provide a project estimate and walk you through the process, including timelines, financing, and installation options.
Are all the window styles on display?
We showcase the most popular Infinity from Marvin styles, finishes, and hardware options. If there’s something specific you want to see, call ahead and we’ll make sure it’s ready for your visit.
What brands do you carry?
We exclusively offer Infinity from Marvin fiberglass windows and doors - the best window on the market for Colorado homes.
Where are you located?
Our showroom is located at 209 W Littleton Blvd., Littleton, CO 80120. We're just a short drive from Denver and easily accessible via Santa Fe Drive.