Evaporative Coolers - Swamp Coolers

Tradewinds evaporative cooler. Swamp cooler

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Evaporative Coolers. Tradewinds Cooler, Essick Cooler, Champion Cooler

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How an Evaporative Cooler Works

Nature’s most efficient means of cooling is through the evaporation of water.  A simple example is the cooling you feel when stepping out of a swimming pool – the water evaporates quickly from your body, taking heat with it.  Our coolers do essentially the same thing by drawing hot air through wet pads using a fan or blower.  As water evaporates from the pads, it takes heat from the air with it, resulting in up to 30 degree cooler air being discharged from the cooler.

Cooling Temperatures

An evaporative cooler will nearly always deliver air cooler than 80 degrees F.  The chart below shows that an evaporative cooler will deliver 78 degree air under a wide variety of typical summertime climate conditions.

In addition, the constant air movement created by an evaporative cooler lowers the termperature perceived by room occupants – called the “effective temperature” – by an additional 4 to 6 degrees below the “evaporative cooled termperatures” shown in the chart.

Finally, an evaporative cooler works best in the hottest time of the day.  This is because relative humidity drops quickly as temperature increases.  For example, a morning relative humidity of 60 percent at 75 degrees will drop to only 31 percent when the afternoon temperature reaches 95 degrees.

Energy Savings

An evaporative cooler consumes only one-fourth of the electrical energy required to operate a refrigerated air conditioning unit.  This means you can save up to 75% of your cooling costs on your electric bill!


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Best air conditioning contractor…did a great job on our electric work. The guys were prompt, friendly and professional. Lowest priced air conditioner repair

~ Ruth Semasson

Champion Coolers and Essicks Coolers are the same. Tradewinds Coolers are the evaporative coolers that we usually install on mobile homes.

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