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  • No. You have something trying to cool the gas and then reheat it in a single unit.

    Air Con relies on the condensate points of gaseous chemicals. Gas wants to expand.

    To cool you force it to be a liquid by pressurising it, it wants to be a gas again so picks up heat and stores it. Then you allow it to be a gas and it releases all the stored heat to allow that.

  • Yes - same principle used in refrigerators, dehumidifiers etc. I don’t understand your point - unless it’s ‘the thing @danstuff has doesn’t exist’?

  • Fridge technology isn't air conditioning. It's something that cools a square meter of space that doesn't has room sized air flow into it.

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