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Beyond Midea's eponymous brand name, the company also employs a series of other brands. The Little Swan brand was adopted when Midea acquired the Little Swan company in 2008. Little Swan products are mostly laundry and refrigeration appliances. Hualing is a brand used by Midea for air conditioners and refrigerators, and was also adopted in 2008.
An air handler is usually a large metal box containing a blower, furnace or A/C elements, filter racks or chambers, sound attenuators, and dampers. [2] Air handlers usually connect to a ductwork ventilation system that distributes the conditioned air through the building and returns it to the AHU, sometimes exhausting air to the atmosphere and ...
During the Han dynasty (202 BC – 220 AD), most, if not all, iron smelted in the blast furnace was remelted in a cupola furnace; it was designed so that a cold blast injected at the bottom traveled through tuyere pipes across the top where the charge (i.e. of charcoal and scrap or pig iron) was dumped, the air becoming a hot blast before ...
Heat pumps are similar in many ways to air conditioners, but use a reversing valve to allow them both to heat and to cool an enclosed space. [ 5 ] Air conditioners, which typically use vapor-compression refrigeration , range in size from small units used in vehicles or single rooms to massive units that can cool large buildings. [ 6 ]
Frank Shuman built the world's first solar thermal power station in Maadi, Egypt between 1912 and 1913, using parabolic troughs to power a 45 to 52 kilowatts (60 to 70 horsepower) engine that pumped 23,000 litres (6,000 US gal) of water per minute from the Nile River to adjacent cotton fields.