Most modern American homes didn't have air conditioning until the 1960s. Before then, people had to cool off in other ways.
Before air conditioning was common, people used blocks of ice and fire hydrants to stay cool
By
James LaForge
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As a dangerous heat wave blankets more than two dozen states this week, more people are looking for various ways to stay cool.
As high temperatures have become more common in recent years, some people are adjusting, including by investing in…
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Advances in materials allow buildings to be cooled as temperatures rise.
While nearly 90% of US homes have air conditioning, in Europe it’s around 20%, and some countries have much lower rates.
Air conditioning units can be lifesaving during a summer heat wave, but there are other tips to help keep homes cool.
Heat getting to you? Tech can help keep you cool
