exhaust fan

noun

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

Origin of exhaust fan

First recorded in 1870–75

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

They often double as range hoods or exhaust fans and don’t take up any counter space.
The best microwaves: This way for buttery popcorn and tempting leftovers | PopSci Commerce Team | January 22, 2021 | Popular-Science
First on the list of power consumers is the exhaust fan, taking it in average use.
Scientific American Supplement, No. 664, September 22,1888 | Various
The car has a perforated false bottom, to which is attached a powerful exhaust-fan system that sucks the heat out of the coffee.
All About Coffee | William H. Ukers
The leaves are blown away, and finally taken from the building by an exhaust fan.
Scientific American Supplement, No. 633, February 18, 1888 | Various
An exhaust fan of ten feet diameter is placed in the cupola shaft, and is used for summer ventilation only.
Appletons' Popular Science Monthly, November 1899 | Various

An exhaust fan on the top of the main column removes the dust from the work surface.
Modern Machine-Shop Practice, Volumes I and II | Joshua Rose

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