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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In the New Yorker, Bill McKibben makes the case that this could be the moment that small clean tech — think solar panels, heat pumps, induction cooktops, etc — really takes off. Los Angeles Times, 19 Mar. 2026 But its green-energy policies, such as a plan to help Britons install electric heat pumps, have been under relentless attack by the Tories, the Reform Party, and right-wing tabloids. Bill McKibben, New Yorker, 18 Mar. 2026 After that, converting an existing house with a gas furnace to heat pump heating isn’t as simple as replacing the gas furnace with a heat pump. Dp Opinion, Denver Post, 16 Mar. 2026 Large-scale batteries, heat pumps, solar panels, and better grid management could reduce US energy emissions, which remain among the highest in the world. Jon Martindale, PC Magazine, 11 Mar. 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 23 Mar. 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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