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R-410A was invented and patented by Allied Signal (later Honeywell) in 1991. [5] Other producers around the world have been licensed to manufacture and sell R-410A. [6] R-410A was successfully commercialized in the air conditioning segment by a combined effort of Carrier Corporation, Emerson Climate Technologies, Inc., Copeland Scroll Compressors (a division of Emerson Electric Company), and ...
As a result of CFCs contributing to ozone depletion in the upper atmosphere, the manufacture of such compounds has been phased out under the Montreal Protocol, and they are being replaced with other products such as hydrofluorocarbons (HFCs) and hydrofluoroolefins (HFOs) [1] including R-410A, R-134a and R-1234yf.
Because of its reduced global warming potential (GWP), R-454B is intended to be an alternative to refrigerant R-410A in new equipment. [2] [3] [4] R-454B has a GWP of 466, which is 78 percent lower than R-410A's GWP of 2088. [2] R-454B is non-toxic and mildly flammable, with an ASHRAE safety classification of A2L. In the United States, it is ...
I would like this article include information about the relative efficiency of R-410A versus R-22 as a refrigerant. Thanks. 143.112.144.129 ( talk ) 00:06, 29 August 2012 (UTC) [ reply ]
Letters to the Editor: Stop the gaslighting the public. Ohio teachers slapped in face.
However, many suburbs of those cities and smaller towns in northeast and southwest Ohio — 55 total — previously banned or currently ban marijuana sales. Cities include: Ashland
American Hospital Association v. Becerra , 596 U.S. 724 (2022), was a United States Supreme Court case relating to administrative law. The case centered on a rule from the Department of Health and Human Services , which reduced reimbursement rates for certain hospitals.
Groups representing Alabama doctors and hospitals urged the state Supreme Court on Friday to revisit a decision equating frozen embryos to children, saying the ruling is blocking fertility ...