Let us take the stress out of replacing your windows and doors! Our expert team is here to provide you with all the advice, insights, and support you need. Leave it in our hands for a hassle-free journey from start to finish that will give you peace of mind as well as transformational results.


Why Choose Marvin Windows?

For the finest quality windows and doors, Marvin Windows and Doors is where you want to be. Our products boast unparalleled value plus energy-efficiency without sacrificing expert craftsmanship – something only our authorized dealers can deliver. We refuse to compromise when it comes down to your expectations for both beauty and performance; that’s why we are proud of our commitment in helping independent local retailers bring these award winning solutions directly into homes everywhere!

Marvin Replacement Windows

With Marvin windows, you can create the perfect blend of form and function for your home. Our unparalleled performance standards, exceptional aesthetics, and variety of style options make it easy to find a custom window solution that fits any environment - from classic double-hung frames to 4-wide gliding windows. And with our industry-leading sizes and quality materials available in limitless combinations, rest assured that we have all the tools necessary help you achieve stylish results without compromising on efficiency.

Marvin Doors

Marvin created their doors to maximize the connection to the environment in any living space. Three Marvin Door Collections give architects, designers, and homeowners design flexibility. By offering more styles, more high-quality material options, and more interior and exterior finish selections. So whether it's appearance or performance, style or size, design, or function, that guides your project's design, with the Marvin Doors the possibilitoes are endless.
If you’re just starting to think about replacing your windows or are in the planning stages of your project, we can help you explore your options and designs, answer any questions or create a quote.  As the oldest Marvin Dealer in Denver, we know the benefits of having exceptional windows in Colorado.

Gravina's Window Center of Littleton® partners with the finest in window and door manufacturers

Bringing you total home transformation. Choose from Marvin Windows and Doors for unparalleled craftsmanship; Infinity from Marvin for fiberglass designs that bring your vision to life,  Provia Doors- classic elegance made modern, and James Hardie Siding - all backed by a legacy of excellence.

Our in-house installation crews are the best in the business, certified by InstallationMastersUSA, and have the craftsmanship and know-how to transform your house into the home you deserve. Licensed, Insured and EPA Lead Certified. We take pride in the products we represent and ensure our customer's safety throughout the duration of their home improvement project.


Some Benefits of Marvin and Infinity Replacement Windows:

1. Increased Energy Efficiency: Marvin windows feature high-performance glass packages that reduce heat transfer and provide superior insulation from the elements. This helps keep your home comfortable and lowers energy costs.

2. Improved Durability: Marvin windows are designed to withstand the elements, from extreme temperatures to strong winds. This helps protect your home from the elements and ensures that your windows will last for years.

3. Enhanced Security: Marvin windows feature superior locking mechanisms and robust construction, making it difficult for intruders to access your home.

4. Increased Soundproofing: Marvin windows feature advanced soundproofing technology that helps keep out noise from outside. This makes your home a quieter, more peaceful environment.

5. Enhanced Aesthetics: Marvin windows feature a wide range of styles and finishes that can enhance the look of your home. This adds to the overall beauty of your home and increases its value.


Our comprehensive warranty provides peace of mind so you can enjoy your windows and doors for years to come.

Decades of Real Window Replacement Experience

Contact Gravina's Window Center of Littleton and get your FREE Marvin Window consultation scheduled. Free Written Estimates.


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Don't forget to ask about our current offers and special financing options for replacement windows and doors!

Specializing in Marvin Windows and Door Replacement since 1973