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Refrigeration cycle scoffs at your mere 100% efficiency
Nah this thing puts out light and probably vibrates as well, so not even 100%.
Well ultimately it all becomes heat. Maybe a tiny amount escapes a window or something. So we could say 99%.
But heat pumps still reign supreme, at least until it gets super cold.
In the end we are all infinitely falling into the pit of entropy
Refrigeration just moves heat, it does not create it.
Why create heat when you can just steal it from somewhere else, though




