Stay cool! Keep it running.

Carlson and Stewart wants to ensure that your equipment continues to run at optimal performance. On this blog, we offer important tips for maintaining your refrigeration equipment.

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Constructing Your Cold Space By Chris Savage   Here at Carlson & Stewart Refrigeration we get the opportunity to visit with a lot of great people who have a lot going on.  I had the opportunity this week to visit with a customer who was working on a project that would require construction of a new cold space.  Here at Carlson & Stewart...
               Well, winter is once again upon us in Minnesota. Even though shoveling the driveway and raking the roof can be bothersome tasks at home, if you own or operate a refrigeration system, this is probably a relatively easy time of year to tend to them. Obviously, the low outdoor air temperatures make easy work for our refrigeration...
December Blog Entry Author: Jarod Hansen   Adiabatic Coolers Carlson & Stewart Refrigeration has replaced many evaporative condensers over the years.  Most of the time they are replaced with direct replacements because the existing steel structure is available.  In some instances, the steel structures need to be replaced due to corrosion.  CSR...
Ammonia Liquid Migration and Cold Weather Startup Author: Erik Hansen                 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...
Remote Temperature Monitoring & Alarming   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...
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...
July Blog Entry Author: Jarod Hansen Source Article: Condenser by IIAR Is an Ammonia Refrigeration Evaporative Condenser a Permit- Required Confined Space (PRCS)? 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...
As summer approaches I thought it would be a good idea to revisit one of our previous blog postings from a few years back… How many of you have “scale” on your evaporative condenser? [I am guessing your hand might be in the air]. How many of you feel that this is “normal” and something that should be treated as a “side effect” from running an...
COVID-19 and Carlson & Stewart Refrigeration, Inc. Wow, the last month (more for others!) has been a whirlwind for every individual and every business around the world!  Carlson & Stewart Refrigeration, Inc. has not been an exception! However, we are proud to say that our team members have stepped up to the plate and are working hard to...
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...

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