heat pump

noun
Updated on: 10 Nov 2017

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)

Recent Examples of heat pump from the Web

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.

First Known Use of heat pump

1894


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