Search results
Results from the WOW.Com Content Network
U.S. patent D159,209 was issued on July 4, 1950 – Design for air conditioning unit. U.S. patent 2,523,273 was issued on September 26, 1950 – Engine actuated ventilating system. U.S. patent 2,526,874 was issued on October 24, 1950 – Apparatus for heating or cooling atmosphere within an enclosure.
Freon is an odorless, colorless, nonflammable, and noncorrosive chlorofluorocarbon and hydrochlorofluorocarbon refrigerant, which is used in air conditioning, refrigeration and some automatic fire-fighting systems. Refrigerators from the late 19th century until 1929 used toxic gases, ammonia, methyl chloride, and sulfur dioxide as refrigerants.
In 1908, the Carrier Air Conditioner Company of America was created as a subsidiary of the Buffalo Forge Company, with Willis Carrier as its vice president. [ 8 ] On December 3, 1911, Carrier presented what is perhaps the most significant document ever prepared on air conditioning – Rational Psychrometric Formulae – at the annual meeting of ...
July 17: Willis Carrier invents the first modern electrical air conditioning unit. Venezuelan crisis of 1902–1903, in which Britain, Germany and Italy impose a naval blockade on Venezuela in order to enforce collection of outstanding financial claims.
[64] [65] [66] In 1969, the first mini-split air conditioner was sold in the US. [67] Multi-zone ductless systems were invented by Daikin in 1973, and variable refrigerant flow systems (which can be thought of as larger multi-split systems) were also invented by Daikin in 1982. Both were first sold in Japan. [68]
American Standard Companies Inc. was a manufacturer of heating, ventilation, and air conditioning (HVAC) systems, plumbing fixtures, and automotive parts. The company was formed in 1929 through the merger of the American Radiator Company and Standard Sanitary Manufacturing Company forming the American Radiator and Standard Sanitary Corporation .
July 2 – The Philippine–American War ends. July 8 – The United States Bureau of Reclamation is established within the U.S. Geological Survey. July 10 – The Rolling Mill Mine disaster in Johnstown, Pennsylvania kills 112 miners. July 17 – Willis Carrier devises air conditioning in New York City.
A Servel Robur air conditioner compressor unit on Governor's Island, New York City. Servel was an American manufacturer of heating and cooling appliances, founded in 1922. Founded by Colonel William McCurdy to produce refrigerators and named National Electric Products Company, the company adapted and shortened the name "Servel" from their ...