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[34] [35] PDRC can be contrasted with traditional compression-based cooling systems (e.g., air conditioners) that consume substantial amounts of energy, have a net heating effect (heating the outdoors more than cooling the indoors), require ready access to electric power and often employ coolants that deplete the ozone or have a strong ...
The cooling period is reproduced by current (1999 on) global climate models that include the physical effects of sulfate aerosols, and there is now general agreement that aerosol effects were the dominant cause of the mid-20th century cooling. At the time there were two physical mechanisms that were most frequently advanced to cause cooling ...
It ventured into space heating in 1930s. After extinguishing the name in 1997, the Day & Night brand name was resurrected in Western US and Canada in 2009. Heil was established in 1962; the Tempstar brand was introduced in the 1980s in response to increased market demands for a full line of heating and cooling products.
Lennox International Inc., headquartered in Richardson, Texas and organized in Delaware, is a provider of climate control products for the heating, ventilation, and air conditioning (HVAC) and refrigeration markets. [1] The company's largest production facilities are in Saltillo, Mexico, Marshalltown, Iowa, and Orangeburg, South Carolina. [1]
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Global GDP growth explains around 85% of increased air condition adoption by 2050, while the remaining 15% can be explained by climate change. [ 42 ] As of 2016 an estimated 1.6 billion air conditioning units were used worldwide, with over half of them in China and USA , and a total cooling capacity of 11,675 gigawatts.
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