Temperature, Relative Humidity and Evaporative Cooling

Probably one of the most commonly asked questions about summertime ventilation is whether evaporative cooling systems should be used on hot and very humid afternoons. For instance, should growers turn off their foggers or pads when it is 95oF outside and 90% relative humidity? This is a tough question to answer, not because there isn’t an answer, but because it is a virtually impossible situation. It is like asking if you should use a tunnel ventilation system in north Georgia on a 95oF day in... December. Yes you should, but the situation is VERY unlikely to occur.

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Year Volume Number Categories
1997 9 5