Infinity is a line of Fiberglass Replacement Windows designed by the experts at Marvin Windows. Created for the homeowner who wants low-maintenance, energy efficiency and traditional beauty, Infinity Fiberglass Replacement Windows are exclusively sold by Metropolitan Window Company, as a complete, installed package to provide you with a high-quality, hassle-free experience.

Metropolitan Window Company, your replacement window product and installation experts. Choose replacement windows are made in custom sizes with options and features that meet your expectations. Infinity from Marvin's thoughtful designs, appearance, and options allow you to match the style of your home.

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Year established: 1978
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Bay Window

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Invite nature in - create interest and add drama to any room with the simple combination of three windows set into the Infinity Bay Replacement Window. Your home will enjoy the low-maintenance interior and exterior while you enjoy the expanded views.

Entry Doors

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Structurally, the Signet Fiberglass Entry Door is far superior to traditional fiberglass doors with robust hardwood stiles and rails dovetailed at each corner. All Signet Fiberglass doors exhibit our exclusive DuraFuse™ Finishing System featuring P3 Fusion, allowing us to offer an industry-best 10-year* finish warranty.

Storm Doors

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ProVia Storm Doors protect your home from the elements with elegance. Every storm door is constructed with tempered safety glass and a durable finish. ProVia's product line includes the: Spectrum Series, Decorator Series, Duraguard Series, Deluxe Series, and the Surperview Series. All storm doors have a Lifetime Limited Transferable Warranty.

Glider

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If your old sliders don't slide anymore or you have a space where a swinging sash would be in the way, the Infinity Fiberglass Replacement Glider Window is the perfect solution. These durable, energy-efficient replacement windows operate smoothly and seal tightly against air and water infiltration.

Double Hung

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You've heard the saying, Don't work harder. Work smarter. With old double hung windows, you can work up a sweat just opening them and keeping them open. The Infinity Double Hung, made of Ultrex Fiberglass, is the smart answer to a traditional favorite. You'll be amazed at its smooth effortless operation.

Discover Infinity Fiberglass Replacement Windows video.

Watch this video to learn how Infinity from Marvin is different from other windows.

Answers are good. Proof is better. Metropolitan Window Company is happy to answer your replacement window questions, but we want to go one step better.

Infinity makes your entire replacement window project simple and hassle-free. In fact, the independent Infinity retailers, like Metropolitan Window Company Pittsburgh, PA offer a one-stop shopping experience, providing knowledgeable expertise from initial consultation all the way through full-service delivery and installation.

Drawing on the decades of experience from Marvin Windows, Infinity Replacement Windows are made of Ultrex Fiberglass and incorporate the details of traditional wood windows without the maintenance.

Fred Stock

Jun 11, 2020

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Stopped in showroom to take a close look at their windows and I was treated very well.

Barbara Rawa

Mar 14, 2016

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Purchased our windows late last year and with the nice weather we have had recently I decided to clean them for the first time. I had a few issues with some of the windows not staying in place after I tilted them back up after cleaning and called Metropolitan and spoke to Jeff.