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LARRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  • Larry's great papaw was born

    Larry's great papaw was born
    The modern air conditioner was invented by Willis Carrier in 1902, and textile mill engineer Stuart Cramer was the first to coin the term “air conditioning”
  • Period: to

    larry's great papaw's history

    in 1906. Air conditioning was first installed residentially in 1914; the unit was 7 feet high, 6 feet wide, and 20 feet long!
  • Larry's first roommate

    Larry's first roommate
    In 1931, H.H. Schultz and J.Q. Sherman invented the first room air conditioner. The unit sat on the ledge of a window, just as modern room air conditioners often do. Even so, these systems were still very expensive. For example, the 1938 Chrysler air conditioner cost $416; the average hourly wage was $0.64, so it took 650 hours of work to be able to afford this purchase.
  • In 1970 Larry made it into most American homes

    In 1970 Larry made it into most American homes
    Post WWII, air conditioning became something of a status symbol. Window units were a hot commodity, with over one million units sold in 1953. In the 1970s, central air conditioning systems made their way into homes, using Freon-12 (also known as R-12) as coolant.
  • Larry save lives

    Larry save lives
    Air conditioning didn’t just change the nation’s comfort — it has also played a significant role in lowering the number of heat-related deaths. Between 1960 and 2004, the number of heat-related deaths in the United States was a staggering 80 percent less than between 1900 and 1959. Air conditioning saves lives, providing respite from dangerous outdoor temperatures.