Window and door
replacement made easier
with Infinity from Marvin

At Infinity from Marvin, we aim to make your window and door replacement process as easy as possible. Connect with a local Infinity expert either virtually, in-home or at a showroom to get your replacement window project started.

Living room with white Infinity from Marvin replacement windows and door

Infinity partners with local experts who simplify the replacement process for you every step of the way. And we back it up with advanced building materials and design details that endure the test of time. Because some decisions should only be made once.


Increase curb appeal with the new Infinity Single Hung Round Top Window

Window replacement from start to finish

Before installation

A local Infinity from Marvin expert will provide an in-home or virtual consultation to discuss style, features and more.

During installation

On installation day, they'll arrive at your home to remove the old windows and expertly install your new Infinity windows.

After installation

Infinity offers a Limited Lifetime Warranty for as long as you own your home. And we're always here if you have a question.

The Infinity fiberglass window and door advantage

Exterior of home with Ultrex fiberglass windows

Our Ultrex® fiberglass delivers lasting performance

  • Expands 87% less than vinyl - resists expanding and contracting in any climate
  • 8 times stronger than vinyl - protects the integrity of your home
  • Resistant to leaks, seal failures and stress cracks - all things that can affect energy efficiency
Explore Ultrex®
Ultrex fiberglass window daylight view

Acclaimed design that withstands the test of time

  • Ultrex's fiberglass windows and doors strength delivers narrow profiles for expanded views and more daylight
  • Our proprietary acrylic finish is fade-resistant and virtually maintenance-free
  • We offer a complete collection of styles, features and options to complement any home
Windows Features + Options Doors Features + Options
Infinity from Marvin window replacement experience

The benchmark for customer service and satisfaction

  • Limited Lifetime Warranty for as long as you own your home
  • An experience that is designed to give you assurance at every step of the way
  • Our core value: Do the Right Thing
Learn More

Download the Infinity Replacement Inspiration Guide

Get inspiration for your next window or patio door replacement project and download the Infinity replacement guide. Simply fill out the form for replacement inspiration.

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Our Partners

Partnering with local experts

Infinity from Marvin independent retail partners are hand selected for their decades of experience and service in your local neighborhood.

Family-run businesses that give back to your community. Their reputation and future business depend on your 100% satisfaction.

Our partners understand your unique local codes, climate considerations and installation needs.

Discover what Infinity can do for you

Discover what Infinity can do for you

From our timeless style to our commitment to working with local partners, everything about Infinity is tailored to providing you an experience that exceeds expectations.

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