1958 | 90% of the theaters, 40% of restaurants, and 25% of the hotel rooms in America are air-conditioned. |
1962-66 | 75% of all new apartment buildings are equipped with air-conditioning. |
1963 | 15% of the 6.5 million cars in America have air-conditioning. |
1971 | 58% of all American cars have air-conditioning, as do many truck cabs and other conveyances. |
1972 | More than half of all residences have some form of air-conditioning. |