Refrigeration

Multiple Choice in Refrigerants

September 24, 2012
A hot topic in the world of refrigeration and air conditioning continues to swirl around refrigerants and what refrigerants will take hold and be used now, besides HFCs, and what will supplant HFCs in the future.


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Putting Refrigeration to the Test

September 3, 2012
Parker Hannifin has announced what it described as “new real-world testing capabilities” with the launch of Sporlan Supermarket Test Lab in Washington, Mo. It is said to “mimic a wide spectrum of real life supermarket operations.”


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Stand-Alone R-32 Catches Interest at Purdue Conferences

September 3, 2012
The concurrent 21st International Compressor Engineering Conference, 14th International Refrigeration and Air Conditioning Conference, and 2nd International High Performance Buildings Conference showed how dramatically the issue of global warming is impacting the refrigerant aspect of the HVACR industry and how complex the issue is.


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New Technologies Amidst Refrigerant Talk

September 3, 2012
As the supermarket industry continues to embrace so-called ‘natural refrigerants,’ manufacturers also continue to seek improvements in energy efficiency with what they hope is easy to use equipment for service technicians. The FMI Food Retail Show was a major showcase for these developments at this year’s show in Dallas.


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The Professor: Frosted Compressor Head

September 3, 2012
Many service technicians believe that frost on a suction line or on the compressor’s head itself indicates there is liquid refrigerant coming back to the compressor. Is this really true? 


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Low GWP in Refrigeration Discussed at Conference

September 3, 2012
When it comes to industrial and commercial refrigeration, high on the research radar screen are low GWP alternative refrigerants for everything from small bottle coolers and freezers to entire supermarket systems.


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Carbon Dioxide and Ammonia Use in Supermarkets

September 3, 2012
When the EPA’s  Greenchill’s Keilly Witman spoke at the Food Marketing Institute Expo last spring she said so-called natural refrigerants  would dominate the conversation and begin to appear in supermarkets in North America. Was she right?


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Legislation Could Establish Unique Standards for Deli-Style Refrigerators

August 27, 2012
Based on Department of Energy (DOE) standards, the majority of deli-style refrigerated counters being manufactured could be in violation of the law. 


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Having the Right Valves in the Van

August 20, 2012
HVACR contractors who replace TXV valves during servicing are always seeking ways to carry the variety of valves they need in their vans or trucks. One new approach comes from Danfoss with its Maximizer and Minimizer kits, which package multiple TXV combinations in one place.


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Using Flammable Refrigerants Safely

August 20, 2012
A major concern in our industry today is the careless promotion of hydrocarbons, or hydrocarbon-based blends, as drop-in refrigerants. Even though HC’s do have many positive attributes, in their pure state they are classified A3, and therefore if misapplied can be very dangerous to use.


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