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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

Louis Jr. purchased a small trailer with a tiny space heater to sit on the lot so the kids could eat and rest there while he and his wife sold trees.

From Los Angeles Times Dec. 18, 2025

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

At the same time, companies are trying to develop more agile heat pumps—the window A/C or space heater equivalent for renters who can’t make structural changes.

From Slate Aug. 12, 2023

Within fifteen minutes the space heater had the place positively tropical, while in the toaster oven their five-pound Thanksgiving chicken was already beginning to brown.

From "Maniac Magee" by Jerry Spinelli

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