That doesn t work and uses more energy.
Best way to use a twin window fan.
Do use both in blowing and out blowing fans in your home to amplify air movement.
Dual window fans sit unassumingly in windows wedged between sashes and sills helping to circulate air in and out of houses on hot summer days.
The bionaire twin reversible airflow window fan was clearly the most powerful fan we tried with robust breezes we felt from 24 feet away 8 feet farther than from our runner up the genesis twin.
Ccc comfort zone 9 inch twin window fan this two fan unit lets you turn the air on or off operating the fan at one of two speed functions.
Don t operate window fans in heavy rains or poor weather.
Then lower the top panel of the window until it s securely pressing down against the top of the fan.
If your holmes window fan gets wet although they are resistant to light rain allow it to dry completely before plugging it back in again.
Or even better just get the holmes electronically reversible twin window fan which can electronically reverse the direction of air flow with the touch of a button.
The more window fans you have working the better.
This will prevent the fan from slipping out of place and either falling into your home or down outside of your home.
Make sure it s balanced.
If you have an odd number configure the extra one to pull.
While a twin window fan is ideal for a small apartment or a room if you ve got a bigger space to cool you might want to spring for a box fan.
The electrically reversible twin window fan can use one fan to push out exhaust the hot stale air in the room and use the other to pull in fresh air from outside.
Over time particles in the air being sucked through the fan start to accumulate on the fan s parts including the blades and grill cover.
Maat tells us this one is extremely powerful.
Open the window and place your fan in the windowsill.