Editing Heat pump (section)

===Water-source===
[[File:Pond Loop Being Sunk.jpg|thumb|upright=1.4|Water-source heat exchanger being installed]]

A [[water-source heat pump]] works in a similar manner to a ground-source heat pump, except that it takes heat from a body of water rather than the ground. The body of water does, however, need to be large enough to be able to withstand the cooling effect of the unit without freezing or creating an adverse effect for wildlife.<ref>{{Cite web |last=Energy Saving Trust |date=2019-02-13 |title=Could a water source heat pump work for you? |url=https://energysavingtrust.org.uk/could-water-source-heat-pump-work-you/ |url-status=live |archive-url=https://web.archive.org/web/20221004170847/https://energysavingtrust.org.uk/could-water-source-heat-pump-work-you/ |archive-date=2022-10-04 |access-date=2022-10-04 |website=Energy Saving Trust |language=en-GB}}</ref> The largest water-source heat pump was installed in the Danish town of Esbjerg in 2023.<ref name="Baraniuk 2023 g296">{{cite web | last=Baraniuk | first=Chris | title=The 'exploding' demand for giant heat pumps | website=BBC News | date=2023-05-29 | url=https://www.bbc.com/news/business-65321487 | access-date=2023-09-19 | archive-date=2023-09-07 | archive-url=https://web.archive.org/web/20230907053141/https://www.bbc.com/news/business-65321487 | url-status=live }}</ref><ref name="Ristau 2022 i239">{{cite web | last=Ristau | first=Oliver | title=Energy transition, the Danish way | website=DW | date=2022-07-24 | url=https://www.dw.com/en/danish-port-city-to-play-key-role-in-europes-wind-energy-plans/a-62464055 | access-date=2023-09-19 | archive-date=2023-08-09 | archive-url=https://web.archive.org/web/20230809045025/https://www.dw.com/en/danish-port-city-to-play-key-role-in-europes-wind-energy-plans/a-62464055 | url-status=live }}</ref>