The advantages of evaporative cooling

Evaporative cooling has the following advantages over a refrigerated system:

Generally lower initial purchase costs than refrigerated systems (You can save up to 50%)
Lower peak energy useage (up to 90% less) which means lower wiring costs, potentially useable with solar energy and less requirement for additional power stations
Less greenhouse gas production (Typically 80% less)
Lower running costs than refrigerated systems (Typically 80% less) (You can save hundreds of dollars per year)
Lower energy usage (Typically 80% less)
Allows flow through ventilation, with plenty of fresh air
No CFC's or HFC's (ie. no OZONE DEPLETION)
In dry areas, the higher humidity is beneficial (Refrigerated systems dehydrate the air too much on a dry day)
The wet filter pads filter the air
Some people prone to allergens find the wet air less irritating
It doesn't matter if your children keep leaving the door open!