High Humidity in Attic Conversion

Hello, my (new to me) 1920s house has a third floor attic conversation bedroom that gets very humid–it rained last night and it was 67% this morning–so I’m looking to… Hello, my (new to me) 1920s house has a third floor attic conversation bedroom that gets very humid–it rained last night and it was 67% this morning–so I’m looking to…Read MoreGreenBuildingAdvisor