What Is Argon in Twin-Seal Windows?
Argon is an inert, nontoxic gas commonly found in multipaned windows. Manufacturers of windows for residential and commercial buildings sometimes fill the space between panes of glass with argon gas to increase energy efficiency. TwinSeal, manufactured by Ply Gem Windows, offers this option for some of its models. Does this Spark an idea?
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Identification
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Argon is a prevalent chemical element that occurs naturally as a gas in the atmosphere. Its name derives from the Greek word "argos," meaning inactive, because it is almost completely nonreactive to other elements. This makes it very easy to work with in manufacturing.
Function
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TwinSeal and other window brands sometimes use argon instead of regular air between glass panes because it is denser than air. Heat cannot pass through the argon as readily, which increases insulation. When coupled with other technologies such as high-quality seals and glass, this can make a significant difference in a window's U-factor or energy performance rating.
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Considerations
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Although argon-filled windows are recommended more for cold climates, they also provide a benefit in warmer conditions. Not only can the windows keep heat inside when it is cold outside, they can also keep the house cool and air-conditioning costs down when the weather is hot.
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