WhisperWall™ 70 CFM Wall Mounted Fan
WhisperWall ENERGY STAR® through-the-wall fanfeature a totally enclosed AC condenser motors for long-life, energy efficiency and quiet operation. A durable wall cap with a built-in back draft damper is included. Can be used to comply with Green building IAQ standards.
Can't Install a Fan in the Ceiling? Don't WorrySo Quiet You Might Not Know it's On
This WhisperWall™ fan was designed specifically for through-the-wall mounting to provide ventilation in rooms where a ceiling mounted fan is not possible. An exterior hood with a backdraft damper is included to finish off the job.
This fan features a totally enclosed condenser motor and a large, double suction blower wheel to quietly move air. A small wheel turning very fast will create more noise than a large wheel turning more slowly for a given airflow. Our fan uses a wide blower wheel that moves a large amount of air at reduced RPMs. The blower wheel is also designed to draw air in from both sides, which helps keep the noise down, as there is more area for the air to enter the wheel. In fact, it is quiet enough that you might not even know it's on.Continuous, Trouble-free Operation for Many Years
This fan is designed to give you continuous, trouble-free operation for many years thanks in part to its high-quality components and permanently lubricated motors which wear at a slower pace. Also, since heat is always detrimental to motor life (the cooler the environment, the longer the motor will last), we designed the electrical configuration of this model's condenser motor to allow it to operate at lower temperatures, increasing the life of the motor and bearings. And, the fan housing is made of heavy-gauge zinc galvanized steel and painted to protect it from rust. 70 CFM18 Watts3.9 CFM/Watt1.1 Sones