Hotter states like Texas, Florida and Nevada can thank air conditioning for their population booms. Without air conditioning, America’s economic power would rest squarely in the northern states.
When AC systems were first introduced, the output settings were measured in “Ice Power” – in other words, how many blocks of ice it would take to produce the same amount of cooling power. Now we call them AC units.
Children were given summer vacation from school because of the lack of air conditioning, but even when air conditioning came about, schools decided to keep this going. Businesses also used to shut down for two months.
Herbert Hoover was the first President to enjoy air conditioning in the White House. He spent $30,000 to install the system in the oval office, just after the start of the Great Depression.
The Romans were the first to use a heating system. This heating system was called a “hypocaust”. It sent heat through the floors and walls of the homes of rich Romans.
The first car with air conditioning was introduced in 1939 by the Packard Motor Company. It wasn’t very popular due to its high cost and the fact that the system took up half the trunk space.
Electric fans were the predecessor to contemporary air conditioning. Fans do little to actually cool the air, but they produce a “wind chill effect” by evaporating the sweat from your skin and lowering your body temperature.
In 1903, the New York Stock Exchange building in New York City was one of the first structures to use an air conditioning system.