Evaporative Cooling Pad Myths and Facts

There are a number of misconceptions about the operation of evaporative cooling pads that can result in warmer birds and reduced pad life. The most common of these are:

“A pad produces the most amount of cooling just before it dries out.”
“Water running over a pad reduces the cooling produced by the pad.”
“Cooling is improved by operating a pad system off a ten-minute interval timer.”

The primary reason for these misconceptions is a basic misunderstanding of... how an evaporative cooling pad actually reduces the temperature of the air entering a house during hot weather. Once someone has a clear understanding of what is really happening when they pull hot air through a wetted pad, it becomes fairly clear how best to operate a pad system to achieve maximum bird cooling.

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Year Volume Number Categories
2009 21 7