https://www.survivalreviews.us/aerocool-portable-ac/
Aerocool Portable Ac : Evaporating water absorbs a significant amount of heat, the latent heat of vaporisation, cooling the air. Humans and animals use the same mechanism to cool themselves by sweating. A mini-split system typically supplies air conditioned and heated air to a single or a few rooms of a building. The name mini-split is often used to refer to those mini-split systems that only supply air to a single room.
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https://www.survivalreviews.us/aircoolr-desktop-ac/