Carlson & Stewart Refrigeration (CSR) understands there are many moving pieces in the industry to know and understand when it comes to managing moisture. CSR can answer any questions you may have or ideas you may want to try. CSR is here to work with you on building and servicing your new or used system […]
Applying Psychrometrics in Refrigeration Read More »
IIAR and the AIM Act By Chris Savage – August 2025 For many years now Carlson & Stewart Refrigeration has been a member of IIAR, The International Institute of All-Natural Refrigeration. As the name implies, IIAR is an advocate for the all-natural refrigerants and their applications. When talking about all-natural refrigerants we are primarily talking
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Source Article: Condenser by IIAR (Fall 2024) https://iiarcondenser.org/wp-content/uploads/2024/11/40354-IIAR-Condenser3_compressed.pdf General Duty Clause Requirements Identify Hazards Using Appropriate Hazard Assessment Techniques The United States EPA National Enforcement and Compliance Assurance Program implemented several national compliance initiatives (NCIs) effective for FY2020-2023. One of these NCIs is titled “Reducing Risks of Accidental Releases at Industrial and Chemical Facilities .”IIAR
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Refrigerant Classification Source Image: https://www.southernphc.com/articles/what-you-need-to-know-to-handle-a2ls-sately/ At Carlson & Stewart Refrigeration, Inc. we strive to design and install superior commercial and industrial refrigeration systems. One of the key components to delivering on this is selecting the best refrigerant for the desired application as well as keeping up to date on any potential changes or limitations to
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Doors vs No Doors – Refrigerated Supermarket Retail Cases If you are reading this, you are probably no stranger to the fact that refrigerated retail case manufacturers sell cases both with and without doors. So you might be wondering which you should choose in your store? Well, like many choices in life, the answer always
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If you’ve ever asked a hiring manager about how their search for talent is going, it seems you’ll often hear “You can’t find any more good help these days”. If you ask around in 2023, that statement is as true as it’s ever been. CSR is continually looking to add more fantastic technicians to an
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Honeybee’s By Chris Savage You might be thinking, why the heck would there be a blog post on a refrigeration website about honeybee’s? Up to about a month ago, I would have been thinking the same thing! Recently Carlson & Stewart Refrigeration was contacted by a local, South Dakota, honey producer. He called with some
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
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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Here at Carlson & Stewart Refrigeration we hear something like this all too often: “My cooler/freezer quit working last night….now all of my product is lost.” What do you do if your cooler or freezer stops working when you are away? More than likely you have something inside of that cooler or freezer that is
Remote Temperature Monitoring & Alarming Read More »