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But you are cooling and heating gas in one unit.
Indeed. It uses a condensor/evaporation cycle to expel hot air out of the room, and blow cold air into the room, with the two halves of the unit separated by a big bog-off block of polystyrene foam to insulate the two. It makes the ouside a teeny weeny bit warmer, and makes the inside of the room significantly colder.
I'm no air-conditioning expert, and maybe this isn't air-conditioning but is instead a 'cold-making room box'. Either way, if @Howard wants to make a room in his place colder, this will do the job. Albeit it's bogging noisy and probably uses as much electricity as a Pornhub data centre in a coronavirus lockdown.
Look at the plate on the back and see what gas it uses. It will be probably propane which is how fridges cool/freeze food.
Might well be propane. Could be boiled unicorn's piss for all I care. It works, and that's good enough for me!
But you are cooling and heating gas in one unit. Look at the plate on the back and see what gas it uses. It will be probably propane which is how fridges cool/freeze food.