Articles Tagged with ''HFC''

The Looming Battle Over HFCs

By Herb Woerpel
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What will happen as yet another government coalition sets its sights on eradicating HFCs?


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HFCs Stay the Course After Global Meeting

By Peter Powell
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The long-term availability of HFCs survived another effort at phase-down during the 23rd Meeting of the Parties (MOP23) to the Montreal Protocol held in November 2011. Participants did not reach agreement on taking any action to control HFCs.


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HFC Production Continues Amidst GWP Questions

By Peter Powell
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While there are no pending regulations that would curb production of HFCs, those specific refrigerants are a part of the equation when talk turns to the broad, emotionally laden topic of global warming.


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The Adaptive Properties of Copper Piping

By Chris Mueller and Charles Stout PE
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In the move to new refrigerants, while the seals, compression ratios, efficiency ratings, and other considerations were painstakingly engineered, other system components were taken for granted. So the refrigerants changed, but what about the standards governing products that transport and contain those refrigerants?


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Peter’s Point of View: Why Have Some Refrigerants Gone?

By Peter Powell
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When mechanical refrigeration came along, refrigerants such as sulfur dioxide and ammonia and the fluorocarbons were introduced. The latter two — ammonia and f-gases — are still being used. Of the fluorocarbons, the choices were pretty simple: CFCs -11, -12, and -502. It is not so simple these days.


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Retrofitting R-22 Systems

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As the HVACR industry continues to move away from HCFC-22 due to regulatory pressures, one of the new retrofit options for such systems is HFC-427A.


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Pushing Back on the HFC Debate

By Peter Powell
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As hard as certain elements in Europe continue to push for a ban on f-gas refrigerants including HFCs, there is an equally strong push back by those who want any decisions based on a range of factors that could well keep HFCs in play for a long time.
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Interest in HFC-407F Grows

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Honeywell has announced that Bitzer has approved the use of HFC-407F (marketed by Honeywell as Genetron® Performax™ LT refrigerant in North America) as an HCFC-22 retrofit solution for medium-temperature systems, such as supermarket refrigerated cases.
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The Professor: Going Chlorine-Free in Retrofits

By John Tomczyk
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Ferris State University’s Commercial Refrigeration Laboratory has gone totally chlorine-free. By replacing the refrigerant HCFC-22 that was in two medium-temperature commercial refrigeration cases in the laboratory, the students in the associate degree program in HVACR can boast that the lab is now chlorine-free.
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Is the Next Generation Refrigerant Here?

By Peter Powell
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If there is to be a next generation of refrigerants in stationary equipment beyond hydrofluorocarbons (HFCs), it appears they will be hydrofluoroolefins (HFOs). And if that transition is to take place in the United States, it could be because of regulations or better energy efficiencies - or both.
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Joseph Groh, an industry veteran boasting 35 years of HVAC experience, discusses the 2008 bicycle accident that cut his career tragically short, and how the Joseph S. Groh Foundation is his way of giving back to the construction trade. Posted on Aug. 22.

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