I know low-e can be verified by holding a burning match near the window where one of the 4 reflections is a different color. Is there any way to test for the Argon gas?
I know low-e can be verified by holding a burning match near the window where one of the 4 reflections is a different color. Is there any way to test for the Argon gas?
look at the little rating sticker on the glass ? then go here NFRC.org
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