Refrigeration

Efficiency and Volume Top Walk-In Wish Lists

Noise, Cost in High Demand for Restaurant Owners
By Peter Powell
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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’
By Peter Powell
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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
By John Tomczyk
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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
By Joe Marchese
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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

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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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Sustainable Refrigeration is Only ‘Natural’

New Refrigerants Still Need Careful Control, Simplicity
By Peter Powell
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The purpose of the Atmosphere America event in Washington, D.C., this past summer was to present a business case for the so-called natural refrigerants.


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Aug. 30, 2013: DOE Issues Notice of Rulemaking and Public Meeting on Commercial Refrigeration Efficiency Standards

Public Meeting/Webinar Is Set for October
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The U.S. Department of Energy (DOE) has issued a pre-publication Federal Register notice of proposed rulemaking regarding energy conservation standards for commercial refrigeration equipment.


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Study: Cold Insulation Market to Grow to $4.8 Billion by 2018

Market Growth Mainly Driven by Growing Demand for Natural and Industrial Gases
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The cold insulation market is expected to reach a net value of more than $4.8 billion by 2018, according to a report by MarketsandMarkets, a global research and consulting company.


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Coilpod: Refrigeration Coil Dust Containment Bag

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The patent-pending Coilpod™ dust containment bag aids in the cleaning of dirty condenser coils in refrigeration equipment. 


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An Open and Closed Case – System Performance

When Retrofitting is Done, Testing Follows
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This is the last part of a five-part series providing a guide for retrofitting open refrigerated display cases with doors and comes from a publication of the U.S. Department of Energy’s (DOE’s) Better Buildings Alliance.


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Mark Satterfield, founder and CEO of Gentle Rain Marketing Inc. and author of “The One Week Marketing Plan” talks about his book and the importance of HVAC blogging. Posted on Sept. 19.

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