The University of North Carolina system database provides salary information on professors, administrators and other university employees. It comes from the UNC general administration for the 2016-17 school year. The database does not include employees' bonus, overtime, annual leave, longevity or summer pay. It does not include public school employees, state government employees or UNC Hospital employees.
Willis Carrier: The Father of the Air Conditioner. The first modern air conditioner was invented in 1902 by Willis Haviland Carrier, a skilled engineer who began experimenting with the laws of humidity control to solve an application problem at a printing plant in Brooklyn, NY.
Non-ozone depletion refrigerant such as R-410a has been used in newer air conditioning systems. History Of Air Conditioner and Refrigeration. 1  1820 Ice was first artificially made as an experiment. 2  1824 Michael Faraday discovered the principles for the absorption type of refrigeration.3  1834 Jacob Perkins invented the first artificial ice manufacturing machine which led to our modern compression systems. 1913 The first international refrigeration expo is held in Chicago. 2  1928 The discovery of Freon refrigerant by Thomas Midgley, Jr. 3  1930 The White House is air-conditioned. 4  1946 The demand for room air conditioners began to increase with more than 30,000 units produced on this year.