Articles Tagged with ''R-22''

Research Looks at HCs, Refrigerant Handling

By Peter Powell
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Recent developments related to refrigerant research are focusing on testing of a new HC refrigerant and growing acceptance of a method of destroying unwanted refrigerants. In the first, ComStar International is providing test results on its blended hydrocarbon 188C2. In the second, Midwest Refrigerants is reporting on its destruction technology.
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85 Years of Leadership: Old vs. New: R-22 vs. R-410A

By Barbara A. Checket-Hanks
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History, they say, repeats itself. The HVACR industry is not immune to the truth of this saying. A good case in point was the introduction of R-410A earlier this century, compared to the introduction of R-22 in the 1930s.
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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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Carrier Asks EPA to Stop Dry R-22 Units

By Mike Murphy
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Carrier Corp. recently filed a petition with the U.S. Environmental Protection Agency (EPA), formalizing a request to reclassify a residential condensing unit as a subsystem of a system to extend the manufacturing prohibition to dry R-22 condensing units. The petition urges EPA to reconsider its current position and to issue a new rulemaking.
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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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How's Your Recovery Unit Doing?

By Peter Powell
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It has been more than two decades since the first refrigerant recovery unit came to the HVACR market and became part of the tool arsenal for service technicians. Over that time, two things have become clear: Even a repairable unit doesn’t last forever and the newest units are able to do far more than their predecessors.
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Contractor Fights Refrigerant Huffing, Theft

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Every year there was at least one unexplainable low-refrigerant service call, but when more than 10 occurred in 2009, executives at HVAC contractor Advanced Air and Refrigeration suspected more than phantom leaks. Professional thieves were the initial suspects. But the company soon determined the problem was due to huffing.
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