Swamp Cooler Pad Care and Uses
Swamp Coolers, a primer on evaporative cooling - Swamp coolers
are based on the natural process known as evaporation but crucially,
only effectively work in low-humidity areas. So, how do they work?
The idea behind swamp coolers is that evaporating water is cooler
than the air around it, typically 20 to 40 degrees cooler. Given this
fact, swamp coolers work by sucking air from the exterior of your
home across pads saturated in water. As the cooled off air enters
the home, it sinks, pushing the rising hot air out of the house. And
yes, it really works.
One of the most important pieces to make these units work properly is the swamp cooler pad. They must be maintained in excellent condition to ensure the unit runs properly. This means replacing them on average every two months during the hot weather as your swamp cooler, or air conditioning system if you prefer, will be on for an average of twelve hours a day on those really hot days. A breakdown with a swamp cooler pad could, therefore, be a very big problem in continuing to cool your home or office.
The average hot season lasts somewhere between three and five months depending on where you live. So, you can expect to have to change the swamp cooler pad at least three times during the cooling season. When you first get the unit ready to use you will likely find, unless you changed them right before turning it off for the cooler weather that they need to be replaced. Even new ones that have sat all winter can crack, get ratty or have accumulated enough dirt that it’s better to replace them then attempt to clean them.
When using this type of evaporative cooling system first wet each swamp cooler pad. This properly prepares them to do their job. They are supposed to pull the water into the pads. Then the fan pulls the outside air in at the same time. The swamp cooler pad will cool the air and push it back out into the room usually at ten degrees cooler and sometimes as much as fifteen degrees. It’s a simple but efficient system. The unit even has an overflow device to make sure that it doesn’t wind up with too much water in the container. This is not unlike that which is used in the average toilet and can be adjusted if the water level appears too high.
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