Window Fan In Or Out

So turn the fans on when its cooler outside in order to bring in cool air and lower the temperature inside your home.

Electric fan 2000 xj. Its not rocket science but it is basic building science. One whose blades are drawing air into the home another whose blades are pushing air out. When your fan is facing out the window it blows hot air out of the room which his replaced by cold air.

Having the fan s blowing the air in has always cooled a room much faster than using them to exhaust hot air out. The first one is easier both require that a second door or window be open. Turn on window fans at night when its cooler outside than inside.

With an electronically reversible fan such as the holmes electronically reversible twin window fan you get the added bonus of one fan blade pulling in the fresh air and the second one blowing out the stale indoor air. Real simple notes that a fan blowing air out of your room is better than one blowing in. Dont place a fan where it can draw in unpleasant odors.

Because fans dont actually make the air cooler but simply redistribute the air around a room open a window or door opposite the fan when you have the fan facing in or out of the window which allows the air to circulate through the room and even if the air outside is warm the fan may create a cooling effect through a breeze being formed. The primary benefit of a window fan is that it can be used to pull in cool fresh air from the outside or it can be used to exhaust stale indoor air. If its warmer outside than inside your fans will blow hot air around.

My uninsulated windowless 40x60 steel outbuilding has a reversible fan near the. Window fans that are blowing the hot air out should be in windows on the sunny side of the house. Window fans that are pulling cool air inside should be installed in windows on the shady side of your home.