There’s no doubt that the United States is a nation addicted to air-conditioning. Since the late 1940’s, when window units became available to the mass market, A/C’s have become standard equipment for modern existence. It’s almost impossible to imagine summertime without the constant hum of the condenser fan in the background. But unless you want to watch the summer season slip away from behind a window in your climate-controlled home, it’s important to find natural ways to beat the heat and get outdoors. Here are some factors that can help you keep your cool on the hottest summer days.