Quote:
Originally Posted by tuccillo
I assume you are seeing condensation on the outside of the windows? If so, then that can certainly happen when there are very high dewpoints outside. The windows aren't perfect insulators and if they cool (from the cool, air conditioned inside air) below the dewpoint then condensation can form on the outside glass. I see this with some of my windows in the morning. Once it warms up a bit the condensate will evaporate. Assuming this is what you are experiencing, I don't believe you have an issue.
In the cool season, the opposite can happen where you may see condensation on the glass and metal windows frames on the inside of the house if there is a rapid drop in the outside air temperature (until the dewpoint inside the house has had a chance to drop).
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Excellent post. Good reminder too when this happens a lot, WHY it happens.