evaporative cooler

Do Portable Evaporative Coolers Need To Be Vented?

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Do Portable Evaporative Coolers Need To Be Vented? Evaporative air coolers are often called ventless coolers because they do not require a vent like traditional air conditioners and HVAC systems. … Instead of providing refrigerant air, evaporative air coolers provide cooled air. What is the best way to use a portable evaporative cooler? Use Your

How Much Humidity Does An Evaporative Cooler Add?

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How Much Humidity Does An Evaporative Cooler Add? The higher the humidity, the less effective evaporation will be as a cooling method. For example, while the air is at 10% humidity, the swamp cooler can drop temperatures by up to 20 to 30 degrees, while at 50% humidity, the swamp cooler can drop temperatures by