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In effective kitchen and bathroom exhaust fans are frequently the culprits in a house with moisture problems. In many homes, usually those built before 1940, there are no exhaust fans at all. Even in new homes, fans are often low on the priority list. They usually fall somewhere after the mailbox. That means when the fans are installed, they are often of the cheapest and noisiest variety. Even on a modest budget, good exhaust fans should be installed to protect the house from moisture. The typical signs of moisture are peeling paint on clapboards, ice or condensation on windows, and mold and mildew on bathroom ceilings and walls. These could be signaling problems that can lead to serious structural damage or pose a