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A young girl playing with bubbles outside of a home with Infinity from Marvin windows.

Extraordinary Transformations

Windows, times Infinity

Harnessing the power of numbers, Infinity by Marvin replacement windows and patio doors amplify, enhance, and strengthen the beauty and comfort of your home.
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8x
stronger

Exceptional strength

Made with innovative materials, Infinity windows deliver 8x the strength of vinyl to create more expansive, longer lasting views.

Why Ultrex®

Infinite combinations

Endless style

Timeless design paired with boundless color, style, hardware, and finish combinations, including proprietary EverWood® interiors, allow you to customize a look you'll love for a lifetime.

Design Inspiration

3x thicker finish

Engineered for ease

From folding handles to thicker, long-lasting finishes to easy-clean features, each window and door is designed for ease of use and worry-free maintenance.

Explore Windows

Withstands 285°F

Built to endure

With the belief you should only replace your windows once, we test our products in extreme conditions and stand behind them with a Limited Lifetime Warranty.

Warranty Details

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We make every step of replacing your windows as simple as possible. And we back it up with innovative materials and timeless design. We’re not focused on being the biggest window replacement company — we’re focused on being the best."

Dan Marvin

President, Infinity by Marvin

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Fibrex® is a registered trademark of Andersen Corporation.

Fibrex® is a registered trademark of Andersen Corporation.

Power of numbers

From ordinary to extraordinary

3x

Ultrex is 3x stronger than Fibrex®

Made with 100% fiberglass for exceptional strength compared to the wood/vinyl blend of competing brands.

17tons

Ultrex supports 17 U.S. tons of pressure per square inch

Able to support tons of weight without warping, Ultrex expands your view with slimmer profiles.

Our Legacy

Behind the Marvin name

A foundation built over more than 100 years

Family-owned and led since 1912, Marvin has come to mean strength, quality, and doing the right thing for homeowners. Building upon this heritage, Infinity by Marvin launched as the dedicated replacement window and patio door line in 2002.

A future focused on innovation

Carrying the Marvin legacy forward while carving out a space in the replacement window industry, Infinity is committed to the lifelong satisfaction of our customers. To deliver on this commitment, we innovate and push ourselves and our partners to improve our materials, designs, and services in a way that will allow us to transform homes for centuries to come.

Our Partners

Carefully selected to uphold the promise of Infinity by Marvin

Quality ensured

Because our windows are only installed by approved consulting partners, you can be confident in the guidance and support they offer.

Local insights

Each consultant offers deep knowledge specific to their area of service, so they can help you select windows designed for your climate, building codes, and any other considerations.

Decades of experience

Many of our consultants have been with Infinity for the better part of a decade. Some, since the launch of our product line more than 20 years ago.

Seamless installation

With an eye for detail, your dedicated consultant will take care of every aspect of your installation from measurement to cleanup.

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