The bedrooms are upstairs so that is what happens naturally. While school is in session no one is home between the hours of 8:30am and 3pm. Elizabeth comes home around 3pm and then I'm home by 4:15pm. So we have a good six hours where the AC isn't running as much and it's during the hottest part of the day. Also, I keep the blinds closed on the side of the house where the sun happens to be. That helps a little bit.