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The Boston Globe

Business

Handyman on Call

To minimize storm window condensation, open twice daily

Q. All storm windows on the second floor of my Colonial have heavy condensation on inner glass. The primary double-glazed windows are clear. The problem occurs when outside temperatures drop below 45 degrees. The storms are cheap, but seem to be preventing air leaks. Storms on first floor are clear. Exhaust fan used during showers. Attic heavily insulated and all vents closed. Insulator could not find anything wrong. I asked Andersen Windows for advice and got none. We are at a loss as to who to turn to.

GLEN CARRUBBA

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