Refrigeration

Manufacturers Explain Refrigerant Directions

Brochures, Case Studies, Define Refrigerant Technologies, Applications

Commercial refrigeration systems, whether utilized in supermarkets or restaurants, seem to be constantly changing. 


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FMI Connect Showcases New Refrigerants

Cooling, Freezing Technology Takes Focus

The Food Marketing Institute (FMI) Connect event showcased some of the newest products that those who work in the food sector will more than likely see on a future install or service call.


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HVAC Contractors Adapting to Changes

Keeping Up With Refrigeration Sector

For this focus on supermarkets and restaurants, The NEWS asked a number of contractors where they are in the mix and where they see the refrigeration sector heading. Here is what they had to say.


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Sept. 5, 2014: EPA and DOJ Announce Settlement with Costco to Cut Refrigerant Emissions

Government Says Costco Failed to Repair Leaks of R-22 Refrigerant Between 2004 and 2007

The U.S. Environmental Protection Agency (EPA) and U.S. Department of Justice (DOJ) have announced a settlement with Costco Wholesale Corp. in which the company agrees to pay $335,000 in penalties for federal Clean Air Act violations and improve refrigerant management at 274 stores.


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The Professor: A Recap on Oil Traps

Functions, Dealing with Oil Reservoirs

The function of an oil reservoir, commonly known as an oil trap, is to prevent large oil slugs from forming. This is accomplished by trapping a small amount of oil in the reservoir or trap and gradually returning it to the compressor.


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‘Last-gen’ Refrigerants in Development

Manufacturers Focus on Low-GWP Alternative Refrigerants

Contractors hoping for the final word on the newest refrigerants may not have to wait much longer. 


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Ice Breaker: Advantages of Parallel Compressor Racks

Supermarkets Use Design to Cool Cases

For maximum efficiency, a bank of compressors should be connected to evaporators operating at similar temperatures. From an operational standpoint, cases of different evaporating temperatures can be connected to the rack; however, this causes a substantial energy loss.


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Aug. 26, 2014: Rebate Service Help Supermarkets Recoup Energy-Efficiency Incentives

‘Supermarkets May Be Leaving a Lot of Money on the Table’

Supermarkets in the United States can now get expert help in securing energy-efficiency rebates from utilities. The service is for supermarkets that invest in initiatives to improve energy efficiency but may not collect all the utility rebates for which they qualify, said Abtar Singh, chief executive of Singh360.


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AHRI, Lennox Petition Court to Review DOE Walk-in Standard

Industry Leaders Challenge Efficiency Standards for Walk-in Coolers, Freezers

On Aug. 4, the Air-Conditioning, Heating, and Refrigeration Institute (AHRI) and Lennox Intl. Inc. filed a petition asking the U.S. Court of Appeals for the 5th Circuit to review the U.S. Department of Energy’s (DOE) final rule establishing energy conservation standards for walk-in coolers and freezers (WICF).


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Purdue Conference Draws a Line on HFC Refrigerants

Low-GWP Refrigerants Stressed To Keep Refrigerant in Mix

If hydrofluorocarbons (HFCs) are to have long-term viability, the low-global warming potential (GWP) versions will have to separate themselves from high-GWP types. And the survivors will have to play their part in energy efficiencies, especially in commercial buildings.


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2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.

Podcasts

NEWSMakers: Matt Barga

Matt Barga, portfolio manager — a/c and coils, Ingersoll Rand, discusses how the company is working to comply with the new energy conservation standards for heat pumps and air conditioners that go into effect on Jan. 1, 2015. Posted on Dec. 19.

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2014 December 22

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