exhaust fan

noun

1. a fan for ventilating an interior by drawing air from the interior and expelling it outside.

Word History and Origins

Origin of exhaust fan¹

First recorded in 1870–75

Example Sentences

He describes how he too was held in a room without sunlight, while two noisy exhaust fans drowned out any sound coming from outside.

From BBC

Based on these findings, the researchers would encourage turning on a kitchen exhaust fan while cooking on a gas stove.

From Science Daily

Small fans and AC units are often ineffective, since the air they blow tends to get sucked up into trucks' exhaust fans.

From Salon

The way to mitigate humidity here is through additional exhaust fans.

From Scientific American

You should keep bathroom exhaust fans off as much as possible if they bring in outdoor air, Dr. Green said.

From New York Times