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space heater

British  

noun

  1. a heater used to warm the air in an enclosed area, such as a room or office

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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A mattress pad consumes about 75 watts for a single zone, costing roughly 3 cents per hour to warm up your bed—compared with about 30 cents per hour for a medium-size space heater.

From The Wall Street Journal • Jan. 23, 2026

Using the same amount of electricity, a heat pump can provide three to four times more warmth than a plug-in space heater.

From Seattle Times • May 13, 2024

Unlike a space heater, a heat pump extracts heat from outside air, even in subzero temperatures, and then runs it through a compressor, which makes it even hotter, before pumping it indoors.

From New York Times • Mar. 2, 2024

Instead of using the natural gas-powered wall heater, people can opt to use a space heater instead.

From Los Angeles Times • Nov. 16, 2023

An electric space heater chugged away in the corner of the living room, struggling to keep the cold outside where it belonged.

From "Bye Forever, I Guess" by Jodi Meadows