World War II essentially halts automotive air conditioning's growth. It begins anew in 1953 with a practical, affordable system that ironed out the pre-war bugs of smoke-filled back seats and hard-to-reach controls. The number of air-conditioned cars jumps from 3,000 pre-war models to 36,000 by 1954, reaching one million by 1959.
Many of the original organic fluorocarbon patents held by DuPont expire, opening the field to new companies. Within 15 years, five new companies enter the fluorocarbon market.
DuPont releases its registered refrigerant numbering system for general use, to avoid confusion and proliferation of different names for similar products.
Mass production of modern refrigerators begins in earnest after World War II. By 1950, more than 80 percent of American farms and more than 90 percent of urban homes have one.
Carrier's Weathermaster system is incorporated in Dallas housing developments in the early 50s. Units that heat in the winter and cool in the summer are being developed, though early models are bulky and expensive. R-14 is made available for use in 1955.
The use of aerosol-propelled insecticides greatly increases throughout the world.
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World War II essentially halts automotive air conditioning's growth. It begins anew in 1953 with a practical, affordable system that ironed out the pre-war bugs of smoke-filled back seats and hard-to-reach controls. The number of air-conditioned cars jumps from 3,000 pre-war models to 36,000 by 1954, reaching one million by 1959.
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