![]() The more space between your wet bulb and dry bulb temperatures, the higher your evaporation efficiency will be. The higher the ambient air temperature (dry bulb temperature) is, the faster evaporation can happen and the cooler the air will be. Regardless of what you might have heard, if the humidity level (wet bulb temperature) is below 100% there is room for SOME evaporation. Now let’s tackle how humidity comes into play relative to achieving evaporative cooling efficiency. This chilled air is then distributed through the front of the evaporative cooler by a fan. As the water evaporates, the hot air is cooled. Hot or warm air is pulled through the media and interacts with the water to complete the process of evaporation. ![]() In our Portacool products, the water used for evaporation is propelled up by a pump and distributed over our exclusively engineered Kuul™ evaporative media (often incorrectly referred to as “cooling pads”). They should not, however, spray water or produce any mist or fog. Then we’ll discuss the science behind humidity and its effect on evaporative cooling efficiency.Įvaporative cooling systems use water to cool air naturally. So, let’s start with the basics behind how Portacool products work. The temperature in the shop in the middle of the day was 89☏ with the Portacool coolers running, but until you’ve had to work in a 100☏ shop, you don’t realize how great 89☏ feels!” One of our customers in Florida said, “I’ll take a 13☏ degree drop within an hour any day. Our customers from the south central (East Texas and Louisiana) to the southeast (Alabama to Florida), to the upper east coast (New York and New Jersey) are good representatives of the cooling relief Portacool portable evaporative coolers can provide regardless of the climate. While we agree that evaporative coolers achieve significant temperature drops in more arid climates and drier spaces, we know they CAN provide relief from the heat in any climate due to the advancements in evaporative cooling technology. There is without a doubt a pervasive perception that evaporative coolers will not work in humid climates. Throughout the years, we’ve often heard the refrain that evaporative coolers will not work in humidity or in various areas of the world because of humidity levels. ![]()
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