Old dirty bath fans can start fires. A bathroom exhaust fan relies on air moving through the fan to cool it down. When the fan is clogged with lint and dust, airflow can be severely restricted, which makes the fan run hot. You take a hot fan motor and put it in contact with lint and dust, and you have a fire hazard.
Bathroom exhaust fan fires
Old dirty bath fans can start fires. A bathroom exhaust fan relies on air moving through the fan to cool it down. When the fan is clogged with lint and dust, airflow can be severely restricted, which makes the fan run hot. You take a hot fan motor and put it in contact with lint and dust, and you have a fire hazard.
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