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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The technologies to electrify process heat that rarely exceeds 250 degrees Celsius, or 482 degrees Fahrenheit, such as heat pumps and electrical boilers, already exist. Jasmin Malik Chua, Sourcing Journal, 25 Sep. 2025 Part of the project will involve installing a heat pump at the Clinton Center plant, Tennille said. Arkansas Online, 25 Sep. 2025 The first is to expand the use of heat pumps globally, especially in North America. Lauren Giella, MSNBC Newsweek, 24 Sep. 2025 That includes heat pump water heaters, which save energy by moving heat from one place to another instead creating heat with an element or flame. Jeff Brady, NPR, 20 Sep. 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 2 Oct. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!