Photo of a whole-house fan, installed. Visible are the shutters (which are closed when the fan is turned off), and the pull-chain control used to turn the fan on and adjust the speed.
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{{Information |Description=Photo of a whole-house fan, installed. Visible are the shutters (which are closed when the fan is turned off), and the pull-chain control used to turn the fan on and adjust the speed. |Source=self-made |Date=Uploaded March 16, 2