Why do windows have two panes of glass separated by a layer of air

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asked Feb 20, 2020 34.6k views

1 Answer

Peter Rhodes · Answer 1 · 2020-02-26T12:57:58+0000

Air is a poor conductor of heat. The air trapped between the two panes is a pretty good insulator. It does a lot to prevent heat from flowing through the windows ... keeping heat IN during the Winter, and OUT during the Summer.

Why do windows have two panes of glass separated by a layer of air

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