Air Conditioners Changed the World And Will Change It Again

You do not know how important air conditioning is to you until you have to have it repaired on a hot day. Sometimes, you might be putting your head in the refrigerator just to keep cool. Air conditioning, hard as it may be to imagine, is actually a fairly new invention. In 1947, the British scholar S. F. Markham saw its potential when he wrote that air conditioning was the greatest contribution to civilization and America was leading the way.
At least on the latter point, Markham was not wrong. By 1980, even though the United states only constituted 5 percent of the world’s population, it accounted for more air conditioning use than the rest of the world combined. This was amazing, considering that the air conditioner window unit had only been invented 48 years before and it was years before it was af