Air conditioning is ubiquitous these days, but not too long ago cool air was considered a luxury available only in commercial businesses. This was to change in the 1950s, when the National Association of Home Builders (NAHB) together with the University of Texas at Austin came up with a plan to determine whether it was economically feasible to bring central air conditioning to residential homes. Until then, the only air conditioning solution available for residential use were window units.
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One of the first air conditioned houses in Allandale, Texas. Photo: Dewey Mears
Source: amusingplanet.com