I live in Pacific NW, I turn off all fans in darkness.....after the heat has been removed.

I think temperatures will give you your answer.
WashougalWonder Reviewed by WashougalWonder on . tuning off ventilation at night?? Summer is coming up and to avoid even higher ac costs i was wondering if its ok to turn off the vent fan at night while leaving the circulation fan on? Does anyone have any thoughts on this? thanks for your input Rating: 5