![]() ![]() A HEPA air cleaner can clean the air if you do get mold in the unit. … In many cases, you can leave another window open to reduce the overall humidity in the evaporative cooler and air. Swamp coolers do have the potential to harbor mold and mildew. When you have lower humidity, a swamp cooler may help lower temperatures in your home by twenty to thirty degrees. This will result in the inside air to be roughly the same temp as the outside air. Why evaporative cooling does not work in high humidity?įirst and foremost, a swamp cooler has a hard time cooling when there is too much water in the atmosphere to evaporate. … The best approach is to open the windows or outside doors that are the furthest away from the air conditioning vents or ducts. Does evaporative cooling work better with Windows Open?įor an evaporative air conditioner to work effectively, some windows or outside doors must be open, or some other form of ventilation provided. ![]() Open the windows or vents on the leeward side of the house to provide 1 to 2 square feet of opening for each 1,000 cfm of cooling capacity. How many windows do you need to open with evaporative cooling?Ĭontrol the cooler’s air movement through the house by adjusting window openings. You can turn the aircon on to fan only over night if the night temperatures are in the mid 20s or keep it running over night if the temperature are close to 30 degrees. Using Evaporative Air Conditioning in a Heatwave You can keep it running 24/7 until the hot spell ends. Can you leave evaporative cooling on overnight? High humidity doesn’t exactly go well with evaporative coolers majorly due to them using the evaporation of water as the primary cooling mechanism. Are evaporative coolers good in high humidity? That said, even in hot and humid areas such as Houston, you can still expect to achieve a 10☏-13☏ drop in temperature. ![]() Portacool evaporative coolers CAN drop the air temperature up to 30☏ when the air is very dry such as arid climates of the Southwest where relative humidity is typically 30% or less. When the outdoor humidity gets over 70-80%, you’ll reach the limitation of a swamp cooler. What humidity is too high for evaporative cooling? If you want to gauge a cooler’s efficiency in terms of dew point, just keep in mind that, in general, a dew point in excess of 55 is generally a swamp cooler humidity limit. ![]()
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