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
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This structural limitation is the result of a perfect storm where the simultaneous rise of AI, electric vehicles and industrial heat pumps has overwhelmed existing capacity. Dr. Dick Bridy, Forbes.com, 26 June 2026 Reversible air-to-air heat pumps, which are gaining popularity, are an even more efficient option and can both heat homes in winter and cool them in summer. Beth Gardiner, The Atlantic, 26 June 2026 Geothermal and water-source heat pumps face a steep drop in coverage, capping out at $1,500. Sharon Wu, USA Today, 25 June 2026 Trade an old electric-resistance heater for a heat pump and a typical home keeps about $1,530 a year while lowering emissions. Andres Clarens, The Conversation, 17 June 2026 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

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Cite this Entry

“Heat pump.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20pump. Accessed 30 Jun. 2026.

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

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