![]() ![]() First, your assumptions are correct, it is simply how hot or cold the air feels to your garden variety thermometer. Let us explain exactly what we mean when we say air temperature and what this means for evaporative coolers. No matter the air temperature or relative humidity, this will always be between 70 and 75. These charts are intended to find the sweet spot for evaporative coolers, where they operate at maximum efficiency have the most appreciable effect on their environment. For example, 2% to 20% humidity can produce anywhere from 54 to 96 in supply temperature depending on the air temperature, while 75% humidity will never see temperatures below 70. The span of possible temperatures here differs depending on the air temperature and the humidity. Where these values intersect, you have the meat of the chart with the air supply temperature figures, the figures you can expect from your evaporative cooler when it’s operational. Air temperature starts at 75 and stops at 125 while humidity is usually covered from around 2% to 80%. It consists of a vertical Air Temperature Y-axis and a horizontal Relative Humidity X-axis that’s communicated in percentage. That’s the evaporative cooler humidity chart. That’s why it’s best to have a whole chart that can be used to cover all possible humidity levels and temperatures possible. The Efficiency Chartįirst, you need to understand that, like temperature, humidity can and will change from day to day. To answer the question of where the evaporative cooler can be most effective, we need to explain what the cooler efficiency chart is. If you’re in a dry area, the humid air created by an evaporative cooler will be even more effective since it can bring comfort and relieve other problems caused by dryness, such as dryness of the nasal passages. Of course, the efficacy of this process will depend on the natural humidity of your home climate. The fan targets these pads, introducing warm air to the water in the pads, causing them to evaporate and turn into cooling gas molecules. ![]() These coolers get the water from a pad that’s integrated into their design, which has been maximized for surface area to facilitate more evaporation in a shorter time frame. ![]()
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