These allow you to switch between exhausting the hot stale air and drawing in the fresh cool air.
Twin window fan reversible exhaust.
Window fan the genesis high velocity 9 in.
3 5 out of 5 stars 66 ratings based on 66 reviews current price 55 69 55.
Manually reverse your fan to intake fresh air and exhaust stale air.
The holmes 7 inch twin window fan with reversible air blades helps to maintain your comfort level with two speed settings.
Featuring a manual reverse option this twin blade window fan can draw cool fresh air into your home or push hot stale air out of the room using the exhaust function.
Window fan with thermostat and max cool technology is a highly innovative window fan.
Product title lasko 8 electrically reversible twin window 2 speed fan model 2138 white average rating.
This twin fan features a built in thermostat with ranges from 60 to 80 degrees and led lights that help you visibly keep track of the temperature setting.
Select your comfort speed level with ease max cool technology.
It is designed to fit most double hung and slider windows and includes an adjustable extender screen and extender panel cfm 0.
If you have a single window fan or a twin model without blades that can work independently the fan will have reversible airflow controls.
The two independently controlled fan motors allow for operation in three ways intake exhaust and exchange.
For a snug fit.
The genesis high velocity 9 in.
Genesis twin window fan with 9 inch blades high velocity reversible airflow fan led indicator lights adjustable thermostat max cool technology etl certified 4 4 out of 5 stars 2 180 46 51 46.
There are 2 expandable side panels allowing the perfect fit to any window frame up to 37 in.
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.
The lasko electronically reversible twin window fan with the lasko electronically reversible twin window fan with thermostat and remote control comes fully equipped and ready to meet just about every need you would have.
W each side panel can extend up to 6 5 in.
The avalon high velocity twin reversible airflow window fan features 3 speed settings of low medium and high.