Who is the inventor of TV, refrigerator, washing machine and air conditioner?

Refrigerator: 19 13 a domestic refrigerator named Domelre, which was born in Chicago, USA, is the first one. It is widely said that Swedish engineers Balser von Plantan and Karl Mont took the lead in making the first refrigerator and sold the patent right to the American company Ronghua Company. However, they invented the refrigerator in 192 1, 1923, 1926 respectively.

Washing machine: hamilton smith, inventor of washing machine. 1858, hamilton smith made the world's first washing machine in Pittsburgh, USA.

Air conditioning: The first air conditioning system was designed and installed by American inventor Willis haviland Kelly 1902. The air conditioning system was designed for a printer in new york, USA. He found that the change of temperature would cause the deformation of paper, which would lead to the imbalance of color ink. Carrier registered the patent 1906.