Bathroom Ventilation Choices for Cold Weather and Ceiling Mold

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When winter rolls in, keeping the bathroom ventilated without freezing yourself out is a real balancing act. Running an exhaust fan too long pulls in icy drafts, but skipping it lets steam cling to ceilings, feeding that ugly mold. I've found that a timer switch or a humidity-sensing fan helps strike a happy medium, running just enough to clear moisture without turning the room into an icebox.