It is possible to reduce the outdoor air temperature by up to 30 degrees via swamp cooling in low humidity. However, high humidity does not make swamp cooling as effective. Although moisture adds comfort to humid conditions, it can also cause discomfort in arid conditions. Here you will get better understanding about Do Swamp Coolers Work In High Humidity.
Do Swamp Coolers Work In High Humidity:
It is common for people to keep cool by staying indoors with air conditioning, but you are not like most people. Your solution to staying cool is to turn on the swamp cooling in your home. Since swamp cooling has worked well for you so far, you should not hesitate to use it if you wish to save money on your utility bills. However, despite what you may not have noticed, the best results are achieved on days when the air is dry. When high humidity is present, swamp coolers perform less efficiently, as they are less efficient at cooling in humid conditions.
Do Evaporative Coolers Work In High Humidity.
However, whether you believe it or not, if the humidity level is below 100%, evaporation is still possible. In general, higher ambient air temperatures will result in faster evaporation and cooler air. Having more space between your dry bulb and wet bulb temperatures will boost your evaporation efficiency.
To put it simply: as temperatures rise, humidity levels drop. On an average day, the humidity will be more significant in the morning because it’s cooler. Afternoon, the humidity will decline as the temperature rises and the afternoon becomes warmer. More scientifically, when the temperature of the air increases, the humidity will decrease. Rain, of course, is an exception.
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You can now easily understand that humidity has an impact on swamp cooler efficiency. As previously discussed, swamp coolers do their best in hot and dry climates, so your swamp cooler will not work efficiently if the humidity is high. When you focus on the swamp cooler’s cooling principle, you will remember that it relies on evaporation, so when there is high humidity in the air, evaporation won’t occur, and the cooler won’t work correctly.
The simple answer of the question, Do Swamp Coolers Work In High Humidity is No.
Swamp Cooler Humidity Levels:
In swamp coolers, humidity levels can have a significant impact on efficiency. A swamp cooler’s efficiency is determined by both the outside air temperature and humidity level. In general, the more humid it is, the less effective evaporation is as a cooling method. It is estimated that swamp coolers can lower temperatures by up to 20 degrees to 30 degrees when there is 10% humidity in the air. In contrast, when there is 50% humidity, the swamp coolers can reduce temperatures by around 10 degrees.
Thus, you can see how the humidity level affects the efficiency of your swamp cooler. Swamp cooling will be negatively impacted by heat levels reaching the triple digits even at lower humidity levels.
Although a swamp cooler can make the air feel about five degrees cooler by providing a breeze throughout the house, the cooler’s evaporation cannot significantly lower the air’s temperature if the air is too humid. Also, swamp coolers add moisture to the atmosphere, helpful under dry conditions but uncomfortable under high humidity.
You can read a detailed article on how to cold a swamp cooler here
Best Humidity Level For Swamp Cooler:
Without measuring equipment, such as thermometers or hygrometers, most of us cannot judge how hot it is or how humid it is. Although we humans feel like it is hot outside, we cannot permit it to be 100°F with 90% humidity. Yes, it feels oppressive, but scientifically that isn’t possible. We understand that it feels like 110 degrees with 99% humidity, but it’s not true.
A portable evaporative cooler can lower the air temperature by up to 30°F in hot, dry weather, such as arid climates in the desert Southwest, where the relative humidity is below 30%. Even in hot and humid areas like Houston, you may experience a temperature drop of 10°F to 13°F.
Hopefully, now you understand what conditions and humidity the swamp cooler works well and in which situations it will not. Swamp coolers work best at low humidity levels in areas where the weather is dry and hot, and swamp coolers will not work well at high humidity levels.
Conclusion:
We can conclude that your swamp cooler won’t work effectively when there is high humidity in the environment. Your swamp cooler will work well when the weather is dry and hot. As we know, swamp coolers work by evaporation, which occurs at its highest in hot and dry weather, so it is obvious why swamp coolers function properly in hot and dry conditions.