Maybe.
I have the same problem, and I have an HRV. The window coverings we use add to the R factor which keeps warm air on the inside and the air that gets trapped between the window and the blinds, all 1" of it or whatever, cools down and the humidity condenses on the glass.
With the HRV, they dry out quickly, but with the blinds down, the HRV can't do anything about the glass itself.
I'm the last one up so I just roll my blinds up before I go to bed.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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