Articles Tagged with ''refrigeration''

The Professor: Basics of Condensers and Coils

July 4, 2011
The condenser is the component that rejects the heat from the system. Most equipment is air cooled and rejects heat to the air. The coils are copper or aluminum and both types have aluminum fins to add to the heat exchange surface area.
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Finding Ways to Stay off the Front Page

July 4, 2011
A sign at one of the booths at the National Restaurant Association Show stated: “Being on the Food Page is Good. Being on the Front Page is Bad.” That concern was certainly the focus of the refrigeration-related exhibitors where drink and food safety were reflected in the quality of ice and the effectiveness of freezers and coolers.
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85 Years of Leadership: Values Link NEWS Generations

NEWS 85th Anniversary
June 27, 2011
After 85 years, it takes more than cosmetics to keep a publication fresh; the right attitude needs to permeate the organization. “This publication, The NEWS, was started by my great-grandfather in 1926,” said BNP Media co-CEO Taggart Henderson.
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Tips for High Speed Refrigerant Recovery

June 20, 2011
The increased use of high pressure refrigerants has created new challenges for technicians, yet it is still possible to perform high speed recovery of high pressure refrigerants. The tips and practices in this article will help keep your refrigerant recovery speeding toward the finish.
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Expo Is Supersized

June 20, 2011
Once every three years, the International Institute of Ammonia Refrigeration ups the ante within the expo portion of its annual conference by calling the expo a Heavy Equipment Show and including some especially large pieces of equipment. The most recent show in Orlando demonstrated the wide product range.
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DOE Publishes Test Procedures for Walk-in Coolers and Freezers

June 13, 2011
The U.S. Department of Energy (DOE) has published a final rule establishing federal test procedures for walk-in coolers and freezers. In the rule, DOE adopted by reference Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Standard 1250 (I–P)–2009, ‘‘Standard for Performance Rating of Walk-In Coolers and Freezers.”
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HVACR Mechanical Hospitality

June 6, 2011
HVACR contractors who do work in the hotel-motel sector probably know it already - there is what has been described as “fundamental contradictions of sustainability in the hospitality industry.” For example, there may be a lot of talk of going green, but that may not mean action.
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Stop, Shop, and Save Energy

June 6, 2011
When Stop & Shop was looking for ways to incorporate sustainable technology into its new multimillion dollar West Hartford, Conn., store, it focused on energy savings and a reduced carbon footprint. In fact, the store, which opened in December 2010, is a 38,000-square-foot model of sustainability.
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Two Challenges, Two Condensing Solutions

June 6, 2011
Two refrigeration contractors were facing different challenges. In one situation, a restaurant in New York City needed to add refrigeration capacity for walk-in freezers and coolers, but in a constrained space. In another instance, a chain of restaurants was dealing with aging refrigeration equipment and the need to improve operating systems.
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Big Turnout Only Natural

June 6, 2011
A lot of talk these days about natural refrigerants focuses on CO2, propane, isobutene, and the like. Stateside, they may be new kids on the block in terms of HVACR applications. But one natural refrigerant that has been around seemingly forever is ammonia. So it - like those “newcomers” - is drawing a lot of attention.
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