February 1928 | First sale of small air conditioning unit. |
1928 | Plant expansion for Carrier Engineering and the start of air conditioning in office buildings. |
Summer 1929 | First railroad car air conditioning system installed on the Baltimore & Ohio's Train #5275. |
1930 | Carrier Corporation formed through the merger of Carrier Engineering Corp. with Brunswick Kroeschell Co. and York Heating & Ventilating Corp. |
1932 | First "Atmospheric Cabinet" room cooler is marketed by Carrier. |
1937 | Carrier Corporation headquarters moved to Syracuse, N.Y. from four sites in New Jersey and Pennsylvania. |
August 12, 1939 | Patent issued for the "Conduit Weathermaster System" the air distribution system that made possible the air conditioning of skyscrapers. |
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