I have camped in the desert during summer without air conditioning many times. In our local deserts, temperatures do occasionally hit 120F and once in a while even higher. See this post where I re-packed our wheel bearings in 123F temperature. The rare occasions we patronize a campground with electrical hook-ups is usually when we take our inflatable boat to the lower Colorado River in the middle of summer.
Old Age is Creeping In.
Staying cool in the hot desert during the day is simple: just stay in the shade. But as I get older, it is getting more difficult for me to sleep when the nighttime temperatures are 90F or higher. This June we spent a couple of weeks at Lake Mead and most days were above 110F and a couple hit 114F. Anticipating this, and not willing to stay in a parking lot campground with hook-ups away from the lake and in civilization, I came up with an idea – a portable evaporative cooler (aka swamp cooler).
Now, I could buy a generator, which is expensive and more importantly noisy. So that was out based on principle and philosophy. Being familiar with evaporative coolers, I first needed to do some simple math.
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