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The characteristics that separate INFINITY from other windows and doors truly make it the world’s perfect window material. That’s why homeowners think of Infinity® windows and doors made with Ultrex as THE CHOICE for their homes.

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  • Weathertight — provides year-round comfort wherever you live.
  • Super Durable Ultrex Fiberglass — the ideal window material means virtually no maintenance for you.
  • Energy Efficient — ENERGY STAR® qualified products mean you can save money.
  • Better Looking — thoughtful design and traditional detailing not found in other replacement windows.
  • No-hassle shopping experience — from a reputable local installing retailer.
  • Easy to Clean — advanced designs make cleaning worries a thing of the past.
  • Limited Lifetime Warranty — brings you peace of mind.
  • Founded by Marvin® Windows and Doors — an industry leader for nearly a century

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When customers choose Infinity windows, they are not only receiving new windows that are aesthetically beautiful, windows that can make a room stand out like it never has before, but they are also receiving the benefits of energy efficient windows thanks to the different options of glass to choose from. With energy costs constantly fluctuating, it may be more important now than ever to invest in Energy Efficient Windows such as Infinity Windows from Marvin.

Still not convinced?  Take a look at Infinity’s 5 Point Proof which shows how Infinity and Ultrex is superior in every comparable area.