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.
Emergency heat turns off the normal heat pump and warms your home through heating coils, according to Precision Comfort Systems. Amanda McCoy, Fort Worth Star-Telegram, 30 Jan. 2026 This advice only applies to traditional furnaces, though, because heat pumps and radiant heat take too long to reheat your home. Brandee Gruener, Southern Living, 29 Jan. 2026 The upfront costs of replacing traditional furnaces and air conditioning with heat pumps have been seen as a barrier. Judith Kohler, Denver Post, 26 Jan. 2026 Because of this, heat pumps can be very efficient. Brynn Cooksey, Forbes.com, 26 Jan. 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 1 Feb. 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

More from Merriam-Webster on heat pump

Last Updated: - Updated example sentences
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