Efficiency

Stainless Steel Condenser Tubes or Galvanized? That is the question!

June 2022 Blog Post Author: Erik Hansen   Subject: Stainless Steel Condenser Tubes or Galvanized?  That is the question! NOTE: The posting will dig a little into product selection revolving around evaporative style condenser products and not necessarily air-cooled or adiabatic condensers.   Industrial refrigeration systems in the Midwest often use evaporative type condensers for …

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Moisture Control

Moisture Control By Chris Savage Moisture control…..what does that mean? Relative humidity, dew point, condensation, evaporation, dry bulb, wet bulb, enthalpy, specific volume, humidity ratio, vapor pressure, dehumidification, desiccant, reheat, grains of moisture…..these are all terms that you might come across when you start talking about moisture control. If any of this terminology is unfamiliar …

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Evaporator Condenser Passivation

If you have ever been involved in buying or installing a new evaporatively cooled condenser, then you’ve probably heard about evaporative condenser passivation. You probably heard it is important and a process you should strive to complete. But if you are like many owners, operators, or heck even refrigeration engineers, that’s probably where your knowledge …

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Ammonia Liquid Migration and Cold Weather Startup

Those of us in the northern climates are familiar with the cruel outside conditions.  Old Man Winter lets loose his cool breathe and our backyards and driveways become frigid winter lands that make us always think…“why the hell do I live here again?!”  Those of us in the northern climates and familiar with central ammonia …

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Preventative Maintenance Basics – Condenser and Evaporator Coils

With fall fast approaching it is a great time to remind everyone about the importance of commercial refrigeration routine maintenance. Maintaining your systems for optimal energy efficiency is great for the environment and for your pocketbook. Whether you do the maintenance yourself or have a preventative maintenance agreement with Carlson and Stewart Refrigeration, the importance …

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Is an Ammonia Refrigeration Evaporative Condenser a Permit- Required Confined Space (PRCS)?

Source Article: Condenser by IIAR By Bryan Haywood Carlson & Stewart Refrigeration (CSR) has been asked this question many times in the past and we have found that many people have their own interpretations.  In larger systems we have stressed people to follow their PSM guidance. This article will explore the questions so many have …

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Secondary Refrigerants Are Worth A Second Look

Secondary Refrigerants Are Worth A Second Look All refrigeration systems, at their very core, convert electrical energy into heat removal potential. Primary refrigerants typically do this via the refrigeration cycle of compressing, condensing, expanding and evaporating. Secondary refrigerants typically transfer heat from place to place without changing phase. Volatile secondary refrigerants are the exception to …

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