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2 panes or 3? (what a pane)

Posted by Ron C on December 20th, 2000 02:41 PM
In reply to Question For Dodgeman ... by Jay J -Moderator on December 20th, 2000 01:45 PM [Go to top of thread]

1 of 1 people found this post helpful

There is definite insulation value in the air gap when facing north.

The reason 3 panes is better than 2 in a sealed unit is a bit complicated. However, when putting up lexan (plexi-glass), 3 panes will help because the small air leaks that get past pane 1 are kept from immediately contacting pane 3 by the existance of pane 2 in-between them.

Remember, that most energy loss is due to air leaking past or through windows.

All that said, 3 panes is better than 2 panes, and should reduce the pains felt by the cold. Also, I understand in the Philidelphia area, they recommend the center pane to be the bullet proof variety.

Happy holidays...

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