In 1906, Stuart W. Cramer of Charlotte was exploring ways to increase humidity to the air in his textile mill. Cramer coined the term "air conditioning", applying it within a patent assert he submitted that 12 months being an analogue to "water conditioning", then a effectively-recognized approach for making textiles https://docs.google.com/spreadsheets/d/1sFkX-195bzbspltn6kI7pJAwHC_IWJIWy0giWMghe84