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Hello, I have a new house (under 1 year old) that is E-Star compliant with double-glazed thermopane casement windows. Now that the weather has turned colder I am seeing condensation and icing along the bottom of the interior (room) side of most of my windows. The humidity in the house is pretty low. Is this indicative of defective windows, and how can I make a more accurate determination?
Thanks in advance,