May 22, 1922 | With a boxing match thrown in to guarantee good attendance, Carrier introduces the first centrifugal refrigerating machine. |
May 30, 1925 | Rivoli Theater in New York City is air conditioned. |
1925 | U.S.S. Wyoming is the first ship equipped with a centrifugal refrigerating machine,95 ton cooling capacity. |
December 1928 | The nation will never be the same as Carrier air conditionsb oth the Senate & House of Representatives in the U.S. Capitol. |
June 1929 | Patent issued on a "System for Cooling Mines and other Chambers Requiring Ventilation." The patent was for an air conditioning system installed in Brazil's Morro Vilho Gold Mine. |
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