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This article was nominated for merging with HVAC on 19 February 2013. The result of the discussion (permanent link) was no consensus.

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This article was the subject of a Wiki Education Foundation-supported course assignment, between 21 August 2023 and 15 December 2023. Further details are available on the course page. Student editor(s): Lee3629 (article contribs). Peer reviewers: Gl3bert, JAckerley, TheA04, Dsimon98.

— Assignment last updated by Thecanyon (talk) 05:32, 12 December 2023 (UTC)[reply]

Should we nowadays simply define it as a one way air to air heat pump which only pumps heat out of a building? Chidgk1 (talk) 15:36, 22 November 2023 (UTC)[reply]

A reversal cycle air conditioner can also pump heat into a builder (ie heats the inside). Larger air conditioning system can also dehumidify the air. Dehumidifier also common in car air conditioners when defrosting the front window.  Stepho  talk  20:39, 22 November 2023 (UTC)[reply]

So a reversal cycle air conditioner is the same as an air to air heat pump? And do air conditioners dehumidify the air differently to heat pumps? Chidgk1 (talk) 18:51, 25 November 2023 (UTC)[reply]

The 6000 year old city of Tell Hamoukar had double walled living quarters to encourage air flow. This is the oldest known air conditioning system. I think we could rewrite the history section.

Source

https://www.independent.co.uk/news/world/middle-east/airconditioning-found-at-oldest-city-in-the-world-5370557.html

Whatsupkarren (talk) 22:00, 7 December 2023 (UTC)[reply]

Error showing 2409:40C1:3008:745:5025:D7FF:FE82:5C0B (talk) 02:48, 21 June 2024 (UTC)[reply]

No idea what you are trying to say.  Stepho  talk  03:43, 21 June 2024 (UTC)[reply]