World map showing areas suitable for evaporative cooling

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The above map gives an indication of which areas are suitable for evaporative cooling. Please be aware of the following notes:

• The map is based on Koppens climate classification which was designed for classifying habitats, rather than air conditioning climates and should be used with care.
• Because of the large scale it doesn't reflect local microclimates which make some areas within the zones either more or less suitable
• Generally in the suitable areas evaporative cooling is suitable for non-critical applications.
• In the yellow (possible) areas, the climate may be either more humid than desired, reducing the cost effectiveness, or it may be that cooling is not required for residential use. However often in these areas it is cost effective in industrial (or solar or generator powered) applications where conventional air conditioning is not economical.
• Generally in the red (too humid) areas it is unlikely that evaporative cooling will give satisfaction.
• As suitability also depends on your particular needs, local advice of feasability in a particular application should be heeded.

If your detailed knowledge in a particular area suggests the boundaries should be shifted, I would appreciate feedback.