Is it worth spending extra money on Low-e Argon Gas and Warm Edge Space Bars?
Low-e glass improves the insulating value of a window roughly as much as adding an additional pane of glass does. Low-e glass combined with argon gas boosts energy efficiency by nearly 100% over clear glass. Like all gases, argon gas will leak from the window over time, however since it is non-toxic it is safe. Studies suggest a 10% loss over the course of 20 years, but that will reduce the U-value of the window by only a few percent. The added cost for low-e glass and argon gas fillings is only about 10% of the window’s overall cost. It’s a no-brainer.
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- Is it worth spending extra money on Low-e Argon Gas and Warm Edge Space Bars?
