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<p>Muggy. Sticky. Miserable. </p><p>For eons, that’s just what summer was. In fact, when air conditioning first became available, few people took advantage of it. Wasn’t summer <em>supposed</em> to be uncomfortable? </p><p>This is the story of how people finally warmed up to the idea of keeping cool.</p><p>You can binge all episodes of American Innovations exclusively and ad-free on Wondery+. Find Wondery+ in the Wondery App or on Apple Podcasts.</p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>