![]() But, as we found in testing, your starting ambient environmental conditions play a huge part in how well this works to make you feel cooler. That’s essentially what a swamp cooler does to the air in a room. A quick run through a sprinkler has the same effect. Our bodies automatically cool themselves down by releasing moisture through the skin the moisture gets picked up by a pleasant breeze and brings us back down to a more comfortable temperature. You know those little spray bottles with the fan mounted on top that people use to spritz water in their faces while they’re waiting in line for a roller coaster in the dead of the summer? It’s basically that, on a larger scale.īut do these swamp coolers actually work? And if so, why isn’t everyone using them?Įvaporative cooling is loosely based on an ancient, time-honored process known as sweating. Also known as a swamp cooler, this device uses a fan to recirculate the room’s air across a cool, wet pad (aka a wick) and then expel that freshly dampened air into the room. There are a lot of different ways to take advantage of natural evaporative processes, but one common solution is to build or buy an evaporative cooler. ![]() And that’s before we even get into the complicated contributions of chemical refrigerants.Įvaporative cooling (PDF) is a refrigerant-free alternative that uses much less energy. Air conditioning costs money, and it also leads to a sort of self-fulfilling prophecy: All that energy use contributes to global warming, which means we need to use more air conditioning, which uses more energy, which costs more money, and so on forever. Although using AC does effectively leave you feeling cooler than before, it’s also an energy-intensive process. Traditional air conditioners-window units, central air, even those clunky portable units with the big unsightly hoses-are great tools for removing the heat from a room. ![]()
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