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The 1986 edition of Dr. John Watt's Evaporative Air Conditioning Handbook identifies the origins for modern American evaporative cooling as either from the East Coast or Southwest. In the early 1900s, air washers were invented in the East and air coolers were developed in Southwest (Arizona and California).
It is possible to have a cooling unit that does more cooling than it releases heat to the environment. The trick with indoor coolers is that the process by which they operate is not cyclic. These coolers are evaporative coolers and can also be used outside of a house to cool incoming air. They work by a similar principle as closed-loop cooler, but the fluid being used is water. The water needs to be resupplied as it evaporates.