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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Goes towards rooftop solar, battery panels, solar water heaters, geothermal heat pumps, small wind turbines and more. Ella Nilsen, CNN Money, 14 Aug. 2025 Federal incentives that are in the process of being phased out include those mentioned above, as well as electric vehicle chargers, biomass stoves, air conditioners, geothermal heat pumps, weatherization features, exterior door and window upgrades and an energy audit. Jamie Gold, Forbes.com, 12 Aug. 2025 Compared to inefficient gas appliances, heat pumps can save Maryland households $705 annually on average while heat pump water heaters can save households $350 per year. Reader Commentary, Baltimore Sun, 3 July 2025 The plan would eliminate within six months a $7,500 consumer tax credit for purchases of electric vehicles as well as home energy rebates for things like electric heat pumps and induction stoves. Brad Plumer, New York Times, 17 June 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 21 Aug. 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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