Refrigeration

ICOR Provides Information to the Industry Digitally

Superheat/Subcooling Calculator Goes Digital for Mobile
ICOR International has announced some new support services. One is a digital version of its NU-22B superheat/subcooling calculators in a mobile app. ICOR also announced a new and improved corporate website.


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Opening Up Students’ Minds to Their Job Options

Vocations Can Include the Manufacturing Sector as well as the Trades
During the summer, the U.S. congressman representing the district in which I live visited a Danfoss plant where variable frequency drives (VFDs) are manufactured. In a Q&A with the media, the congressman spoke of the need to introduce young people to the value of being part of the manufacturing sector.


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The Bottom Line on Natural Refrigerants

Conference Presents Business Case for F-Gas Alternatives

A recent state-of-the-industry panel session focused on the cost-effectiveness and energy efficiency of natural refrigerants when compared to the much more common f-gases.


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Sept. 11, 2013: DOE Issues Notice of Rulemaking and Public Meeting on Walk-In Cooler/Freezer Efficiency Standards

Public Meeting/Webinar Is Set for October
The U.S. Department of Energy (DOE) has issued a pre-publication Federal Register notice of proposed rulemaking regarding energy conservation standards for walk-in coolers and walk-in freezers. A public meeting has also been scheduled for October.


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Propane, Ammonia, and CO2 Are Natural Choices for Supermarkets

New Technologies Guide Shift from F-Gases

On the horizon are the so-called natural refrigerants. Measurements in real-world applications are continually pouring in, offering more evidence of the potential impact — or lack thereof — that these so-called natural refrigerants possess.


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Efficiency and Volume Top Walk-In Wish Lists

Noise, Cost in High Demand for Restaurant Owners

In restaurants, those large, walk-in refrigerators and freezers need to be energy efficient to help maintain sometimes thin profit margins. And they need to run quietly so as not to disturb customers who may find themselves seated close to the kitchen. 


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Supermarket Talk Turns Natural

New Technology Could Make Refrigeration ‘Sexy’

In supermarket refrigeration, much of the refrigerant talk is on the so-called ‘naturals.’ And among the naturals, one of the most talked about is R-744 (CO2). 


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The Professor: An Overcharge of Refrigerant

Knowing Symptoms Can Lead to Solutions
It is the system check sheet that will tell the service technician whether a system is overcharged or not. Service technicians must install pressure gauges and thermistors — or some other sort of temperature-sensing devices — in order to systematically troubleshoot a refrigeration system correctly.


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Ice Breaker: Suction Line Insulation

Elastomeric Material Means Condensation Prevention
The suction line of a refrigeration system is normally insulated with a flexible, closed-cell elastomeric material. Insulating the suction line is done to prevent condensate from developing and dripping off. It also limits the amount of heat added to the refrigerant as it travels back to the compressor.


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Tecumseh Products Co.: Indoor Air-Cooled Condensing Units

Indoor air-cooled fractional horsepower condensing units Celseon® AK/AJ are designed specifically for refrigeration applications where reliable cooling is required under varying loads and operating conditions. 


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2014 World Energy Engineering Congress

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

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NEWSMakers: Kari Arfstrom

Kari Arfstrom, executive director of the HVACR Workforce Development Foundation, talks about the upcoming HVACR & Mechanical Conference. Posted on Jan. 23.

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