Guide to Evaporative Air Coolers
The performance of evaporative systems deteriorates as the humidity increases. Consequently,
evaporative systems are not suitable for high humid regions. They are generally suitable for areas
with dry summers, although their eectiveness will be reduced during the occasional periods of
humid weather that these areas can experience. Evaporative air Coolers not only cool, but also
humidify homes. This is why they will not do you much good if you live in a climate that is already
very humid. Evaporative cooling is not suitable in areas that have both a high temperature and a
high moisture content simultaneously. Evaporative coolers suit only dry climates where humidity is
low. If you live in a very humid place, your evaporative cooler may not work as eectively as it does
in dry areas. Using an evaporative air cooler in a humid area causes only a small amount of water to
evaporate, so the cooling ability may be poor. Also, higher humidity level speeds up corrosion, which
in turn causes the parts of the air cooler to deteriorate. If you live in a region where the summers are
hot and dry, a portable evaporative cooler can be a cheap and eective way to keep you cool over
those long sunny days. However, if you live in a humid area, they will not be the most eective
option. Because evaporative coolers need a constant source of hot dry air to work eectively, you
need to leave a door or window open and position the unit near it. The open door or window also
helps keep down the overall humidity in the room. The more humid the room, the less eective the
cooler.
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