Window Fan Exchange Mode

Fans with multiple blades may even have the option to operate one in exhaust mode and the other in intake mode to create an exchange of air.

Yellow blower fan. Also use window fans for daytime cooling on chilly days. Most units have a control on this opening that allows the user to open it or close it. Everything you need to know about transom windows.

Let me repeat that the opening is small so running the fan will bring in a small amount of outside air if it is open. At night the air near the ground will be the coolest. The genesis twin window fan occasionally listed as the avalon twin window fan was the second most powerful fan in our testing but we recommend it only if you absolutely cant get the bionaire.

If you have an odd number configure the extra one to pull air in. Situate 2 3 fans in windows on the bottom floor to blow inward and pull in cool outside air. Aim to set up an equal number of in and out blowing fans.

Window fans that are blowing the hot air out should be in windows on the sunny side of the house. Dont run window fans during rainstorms. In this situation when youre placing inward blowing box fans select windows that are on a shaded side of your home.

This two fan unit lets you turn the air on or off operating the fan at one of two speed functions. That creates a. Dont place a fan where it can draw in unpleasant odors.

Obviously the electronic option makes it easier to quickly switch from exhaust blowing air out to intake blowing air in. I have seen it labeled air exchange. Check what is outside the window to make sure you dont position your fan near your garbage cans for example.