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.
An exception is made for heat pumps, however. Timothy Dale, Better Homes & Gardens, 14 Nov. 2025 The utilities also point to rising demand from the expansion of domestic manufacturing and the broader electrification of the economy, such as electric vehicles and the adoption of electric heat pumps in some regions. Spencer Kimball, CNBC, 14 Nov. 2025 Demand response will matter—coordinating equipment like inverter heat pumps and smart controls so homes and buildings can reduce load during peaks while maintaining comfort. Michaila Byrne, MSNBC Newsweek, 13 Nov. 2025 The integration of high-temperature industrial heat pumps was made possible by partners working with Epic to create and adapt technologies. Angela Velasquez, Sourcing Journal, 11 Nov. 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 17 Nov. 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!