I've suddenly got bad condensation in numerous rooms in my house. My roofer said the roof was not causing the problem. Nothing in my house has changed for 2 years. Last year, no problem.
My house is about 50 years old with normal height ceilings on 3 levels. The condensation is only on the levels where the ceiling is above the roof. The basement doesn't have the problem.
What's wrong and who should I call?
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