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By 1950, the company was a large manufacturer of commercial refrigeration equipment. It entered the relatively new field of air conditioning in 1952 with its first window air conditioning units. The company is credited with several innovations, including introducing the first refrigerated display case for food retailers.
AHT's main products include refrigeration and cooling solutions for supermarkets, discounters, grocers, beverage and ice cream manufacturers, convenience stores, and gas stations. The company moved to wholly utilising propane R290 as the key refrigerant for its products in 2013, [ 12 ] due to its status as having the lowest GWP ( Global Warming ...
HCR188C is used today in commercial refrigeration applications (supermarket refrigerators, stand-alone refrigerators and refrigerating display cases), in refrigerated transportation, automotive air-conditioning systems and retrofit safety valve (for automotive applications) and residential window air-conditioners.
Carbon dioxide (R744) refrigerants are used in modern vending machines, refrigerated supermarket display cases, ice-skating rinks, and other emerging applications. [26] [27] Microgroove's smaller diameter copper tubes have the strength to withstand the very high gas cooler and burst pressures of R744 while allowing for lower overall refrigerant ...
Air conditioning and refrigeration are provided through the removal of heat. Heat can be removed through radiation, convection, or conduction. The heat transfer medium is a refrigeration system, such as water, air, ice, and chemicals are referred to as refrigerants.
Artificial refrigeration began in the mid-1750s, and developed in the early 1800s. [7] In 1834, the first working vapor-compression refrigeration system, using the same technology seen in air conditioners, was built. [8] The first commercial ice-making machine was invented in 1854. [9] In 1913, refrigerators for home use were invented. [10]
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