heat pump


Definition of heat pump

: 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 To help existing buildings ditch gas, electricity advocates want to see financial incentives and educational campaigns that make electric appliances such as heat pumps and induction stoves more attractive to consumers, business owners and builders. Los Angeles Times, "California ditched coal. The gas company is worried it’s next," 22 Oct. 2019 Energy Star appliances, hot water heat pumps, mini-split HVAC systems, LED lights and extra shading on the south side of the buildings help, too. oregonlive, "Tour old, new zero-energy homes that make more power than they use," 7 Oct. 2019 Modern heat pump technology, for example, is substantially more efficient than heating with natural gas, according to Pierre Delforge, a senior scientist with the Natural Resources Defense Council focused on building decarbonization. Elena Shao, SFChronicle.com, "Bay Area cities poised to follow Berkeley’s natural gas ban," 19 Aug. 2019 Heavy use of air conditioning in the summer and electric heat pumps and electric space heaters in winter. William Thornton | Wthornton@al.com, al, "How do Alabama’s utility bills compare to other states?," 29 July 2019 The reason for the heat is high pressure off the coast of the United States, which is acting like a heat pump. Dave Epstein, BostonGlobe.com, "Boston braces for another heat wave," 29 July 2019 Both states are starting to replace gas furnaces with electric heat pumps and solar water heaters. New York Times, "It’s New York vs. California in a New Climate Race. Who Will Win?," 8 July 2019 Some barriers are simply down to a lack of awareness that things like ground-source heat pumps are already viable options. Scott K. Johnson, Ars Technica, "US report finds sky is the limit for geothermal energy beneath us," 11 June 2019 The actual situation now is: 1) Many appliances now use heat pumps, in which most of the heat is extracted from the latent heat in the cold outside air. Letters To The Editor, The Mercury News, "Letter: Buildings can be made carbon free if they use electricity," 25 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heat pump.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heat pump

1894, in the meaning defined above

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Time Traveler for heat pump

Time Traveler

The first known use of heat pump was in 1894

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Statistics for heat pump

Last Updated

26 Dec 2019

Cite this Entry

“Heat pump.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/heat%20pump. Accessed 19 January 2020.

More from Merriam-Webster on heat pump

Rhyming Dictionary: Words that rhyme with heat pump

Britannica.com: Encyclopedia article about heat pump

Comments on heat pump

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to insert between existing elements

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