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[–]happysmash27 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (1 child)

It might be more efficient in terms of electricity, but wouldn't it be less efficient in terms of water usage? That's a big problem in draught-prone areas, and might result in even more energy usage in places which use desalination plants for water.

[–]Tom_Bombadil 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Water is cheap. A cool interior is priceless.

Edit:

even more energy usage in places which use desalination plants for water.

If you live in one of these areas then evaporative ac is available.