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Swamp Coolers: Ancient Tech for Modern Heat | Lafayette Louisiana News
Before AC ruled the Southwest, people battled heat with damp sheets and flexible schedules—but the real breakthrough was the swamp cooler. Invented by Oscar Palmer in Arizona in 1908, this simple evaporative system pulls hot air through water-soaked pads, cooling and humidifying it as it enters. By the 1930s, it transformed life across New Mexico, Nevada, and beyond, making arid regions far more livable. Still relevant today—especially in dry climates—swamp coolers offer a low-cost, low-energy alternative. Though they struggle in humidity, innovators are blending old tech with new solutions…
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