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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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 Tour attendees will be able to see working examples of energy-efficient heat pumps for space heating and cooling, heat pump water heaters, induction cooktops, rooftop solar systems, home battery storage and electric vehicles. Anne Gelhaus, Mercury News, 8 Mar. 2026 In January, Edward Miliband, Britain’s Secretary of State for Energy Security and Net Zero, unveiled the Warm Homes Plan, a £15 billion ($20 billion) investment to cut energy bills and emissions by upgrading millions of homes with insulation, heat pumps, and solar panels. Simmone Shah, Time, 3 Mar. 2026 The facility is complete with 15 total acres of gardens and uses solar panels, reed-bed sewage systems, ground-source heat pumps, and rainwater harvesting. Elle Meier, InStyle, 3 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

Browse Nearby Words

Cite this Entry

“Heat pump.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20pump. Accessed 17 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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