Dictionary.com
Thesaurus.com

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The climate is comfortable without either, except for a few weeks in January when I use a space heater.

From The Wall Street Journal • Nov. 21, 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

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

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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "space heater" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com