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R-410A Use Outside of the USA edit
Expansion cooling in Europe and Asia also primarily uses R-22 and R-410A, I don't feel this article is USA-Centric enough to warrant the tag. —Preceding unsigned comment added by 12.40.5.69 (talk) 18:30, 6 February 2008 (UTC)
automotive uses edit
ok now, why dont they use this in automobiles, we all know that they eventually leak down, get vented etc., so why not use a freon that doesnt damage the atmosphere?.....of course, nothin will work as well as R-12 when it comes to cooling efficiency and running lower pressures, but thats been banned. R-134a rapidly looses effectiveness as it leaks down, is being banned in the EU, and is just inefficient.
also, systems that are redesigned(over engineered) to run higher pressures will leak less often, and experience fewer failures.... this can be proven by comparing diesel engines to gasoline engines —Preceding unsigned comment added by 75.23.43.135 (talk) 04:37, 30 July 2010 (UTC)
Article additions edit
I've never done this before, so please forgive any errors, but this article needs two additions:
First of all, the Carrier trademark for R410a (Puron) requires citation. The citation can be found at the U.S. Patent and Trademark Office (http://tess2.uspto.gov/) by searching for "Puron" or the Serial Number 77215886.
Secondly, R410a refrigerant is only partially accepted in Europe at this time, as Europe converted early from R22 to R407C, a "gap" refrigerant. Many manufacturers (like my employer, whom I do not have permission to represent)do not yet offer 410A equipment that meets EU standards. This information can be confirmed in many placces, like here: http://ec.europa.eu/environment/ozone/pdf/mcquay_hfc_scroll_chillers_paper.pdf at the top of page three, and here: http://www.achrnews.com/CDA/Archives/258c7cf93d85a010VgnVCM100000f932a8c0____ as well as others. Even if R410a will eventually be the leader in Europe, R407C should be mentioned in this article.
Michialekirksey@yahoo.com —Preceding unsigned comment added by 65.218.191.34 (talk) 20:16, 6 October 2010 (UTC)
- Welcome to Wikipedia! I moved your comments to a new section, I titled it "Article additions", but I welcome you to change it. You can get a new section on a talk page by clicking the tab next to "edit" and labelled "New Section". The citations and additional information would be welcome to this article, please add them!Best of editing! Scientific29 (talk) 21:58, 8 October 2010 (UTC)
Clean up sentence fragment edit
This sentence fragment needs clarified at the beginning of "Availability": Although the United States Environmental Protection Agency has mandated that R-22 along with other hydrochlorofluorocarbons (HCFCs) be phased-out in the United States. Ernest S. B. Boston (talk) 16:30, 11 June 2011 (UTC)
Efficieny of R410A versus R-22 edit
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)
R-410A VS. R-22 edit
To clarify. R-410A's efficiency is lower than R-22 but leaks are less harmful to ozone depletion? And even though it has a high global warming potential, leaks are less common as the system is under much more pressure, typically leaks are less likely. As the newer refrigerants are less efficient they use more energy. I wonder if the good outweighs the bad? --174.240.192.151 (talk) 18:13, 14 September 2013 (UTC)
Type of oil edit
Would be useful if indicated which type of oil can be used in R410A systems. And that's about the same for every other refrigerant. — Preceding unsigned comment added by 132.219.131.2 (talk) 13:46, 31 March 2014 (UTC)
Incomplete reference for Global Warming Potential edit
According to List of refrigerants R-410a is 50% CH2F2 and 50% C2HF5. While CH2F2 appears in Table 2.14 on page 212 of the cited IPCC Assessment Report 4 (AR4) 2007, C2HF5 does not. The reason is that the latter is not in a canonical form in List of refrigerants. I have repaired the formula for HFC-125 there. Also it is not clear what th global warming potential of R-410A is at all, since it is a 50% mixture of HFC-32 and HFC-125[1]. Accordingly the claim that "R410A has a high global warming potential (GWP) of 2088, higher than that of R-22 (GWP=1760), and an atmospheric lifetime spanning decades.[2]" remains unsubstantiated. A reference needs to be provided which justifies the 2088 number. It may well be correct, but the chain of reference doesn't show it. I am changing the text to explain that complication, providing the additional reference.
References
- ^ Velders, Guus JM, David W. Fahey, John S. Daniel, Mack McFarland, and Stephen O. Andersen. "The large contribution of projected HFC emissions to future climate forcing." Proceedings of the National Academy of Sciences 106, no. 27 (2009): 10949-10954, supplement Table S2, page 8 of 8.
- ^ IPCC Assessment Report 4 (AR4) 2007
I think the section on environmental effects is very well done now. EcoQuant (talk) 18:51, 26 September 2021 (UTC)
External links modified edit
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Request addition to section on Physical properties edit
Perhaps the Physical properties could include latent heat — Preceding unsigned comment added by W102102 (talk • contribs) 18:21, 19 October 2021 (UTC)
R410A phase out edit
This page seems to ignore the AIM act and current US EPA rule-making that will lead to the near-term phase-out of R410A in the US (as a result of the HFC-125 in the blend). This development is extremely important to anyone looking at this page while considering the purchase of HVAC equipment.
Geography edit
Atmosphere 154.76.181.97 (talk) 11:55, 16 November 2022 (UTC)
Geography edit
Atmosphere 154.76.181.97 (talk) 11:55, 16 November 2022 (UTC)