4 Myths You’ve Probably Heard About Evaporative Coolers

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4 Myths About Evaporative Coolers
NewAir AF-1000R Portable Evaporative Cooler

Now summer’s here and the weather’s getting warmer, everyone is searching for the perfect way to stay cool. One method many people overlook is evaporative coolers, also known as swamp coolers because they don’t understand how they work or the benefits they offer. Here are the four most common myths about evaporative cooling.

  1. Evaporative Coolers use a Lot of Energy. Evaporative coolers are some of the most energy efficient cooling systems on the planet. They have only two working parts: a water pump and a fan. The pump brings water up to a specially designed cooling pad. The fan blows hot air through the pad and causes it to evaporate. If you’ve ever gotten out of a swimming pool on a windy day, you know evaporation cools you down. The same is true of air. As the hot air evaporates the water in the pad, its temperature drops and the fan circulates it through your home. Because evaporation is a natural process, evaporative coolers only enough energy to run the fan and the water pump, which require far less energy than a standard air conditioning unit. A window mounted air conditioner uses approximately 900 watts of electricity per hour. The NewAir AF-1000R Portable Evaporative Cooler, the largest available through NewAir, uses 200 watts per hour – 78 percent less.
  2. Evaporative Coolers are Expensive to Operate. Because they use so much less electricity, evaporative coolers are an extremely cost effective way to cool your home. On average, a centralized AC system costs consumers approximately $245.80 per year. An evaporative cooler run for the same amount of time costs, on average, $54.08 – $19.66 per year.
  3. Evaporative Coolers are Misters. Most people assume that because evaporative coolers are blowing air through moistened pads, they’re creating a cloud of water droplets in the air. This isn’t true. All of the evaporation occurs in the cooler itself. If you stood in front of it, you wouldn’t feel any mist or water droplets on your skin, just a steady stream of cold, dry air.
  4. Evaporative Coolers Don’t Work in Humid Climates. Evaporative coolers cool the air most dramatically when the temperature is high and humidity is low. Under these conditions, they can drop the temperature by as much as twenty or thirty degrees, but this does not mean areas with high humidity won’t feel any effects from evaporative cooling. Areas with humidity as high as seventy percent will still see a significant temperature reduction, just not the wild swings you would experience in dry areas.

Those are four most common misconceptions about evaporative coolers. The truth is, they are efficient, inexpensive, and powerful cooling devices that do an excellent job of cooling you down when the weather heats up.

Interested in evaporative coolers? Leave a comment and let us know. We’re happy to answer all your questions.

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