heat pump

noun

: an apparatus for heating or cooling (such as a building) by transferring heat by mechanical means from or to an external reservoir (such as the ground, water, or outside air)

Examples of heat pump in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In New Haven, Conn., another plaintiff in the South Carolina lawsuit, the EPA cancelled an environmental justice grant that would have helped city residents swap out old oil-burning heating systems for more efficient heat pumps. Michael Copley, NPR, 23 Apr. 2025 Last year, Moore joined eight other state leaders pledging to accelerate the adoption of highly efficient heat pumps by 2030. Anne Havemann, Baltimore Sun, 10 Apr. 2025 Building codes also help bring down the costs of new technologies — electric heat pumps, for instance — by spurring widespread adoption. Sammy Roth, Los Angeles Times, 10 Apr. 2025 Gas furnaces are generally less efficient than electric heat pumps. Rachel Nuwer, New York Times, 7 Apr. 2025 See All Example Sentences for heat pump

Word History

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of heat pump was in 1894

Browse Nearby Words

Cite this Entry

“Heat pump.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20pump. Accessed 2 May. 2025.

Kids Definition

heat pump

noun
: a device for heating or cooling a building by transferring heat contained in a fluid to or from the building

More from Merriam-Webster on heat pump

Last Updated: - Updated example sentences
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