IIAR Annual Conference By Chris Savage – February 2026 If you are involved in Commercial or Industrial refrigeration in any way you have probably heard of IIAR, the “International Institute of All-Natural Refrigeration”. When I first got into the industry IIAR stood for the “International Institute of Ammonia Refrigeration”. As with all things in life, […]
IIAR Annual Conference Read More »
Getting Ahead of A2L Refrigerants in Commercial Refrigeration If you’re running or specifying commercial refrigeration equipment today, the shift to A2L refrigerants isn’t something you can ignore. These mildly flammable, low‑GWP refrigerants are quickly becoming the standard as older HFC refrigerants are phased down under federal regulations. This change is already impacting equipment selection, system
Getting Ahead of A2L Refrigerants in Commercial Refrigeration Read More »
Commercial Refrigeration: Parallel Rack System or Condensing Units? Refrigeration systems can be a costly, but vital, component in the food market and with them comes a lot of questions. With customers looking for the best way to allocate funds year over year, the refrigeration system(s) can be a bigger point of emphasis than what some
Commercial Refrigeration: Parallel Rack System or Condensing Units? Read More »
Refrigeration & Oil Oil is an important part of many pieces of machinery, and a refrigeration compressor is no exception. Oil provides the much-needed lubrication for moving parts within the compressor. The oil can also be cooled to help prevent internal components from overheating. Additionally, oil helps seal very small gaps between moving parts
Refrigeration & Oil Read More »
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 »
Refrigeration in 2025: Smarter, Greener, and Ready for the Future Let’s be honest — refrigeration isn’t exactly the kind of topic that gets people chatting at dinner parties. But in 2025, it’s quietly becoming one of the most innovative and impactful sectors in industrial and commercial technology. Whether you’re running a cold storage warehouse or
Refrigeration in 2025: Smarter, Greener, and Ready for the Future 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
IIAR and the AIM Act Read More »
Unlocking the Benefits of Copeland’s E3 Supervisory Control and Upgrading from E2 Hardware Best Practices, Cost Saving, Efficiency, Performance / By Zach Moorse Source Article: https://www.copeland.com/en-us/products/controls-monitoring-systems/facility-controls-electronics/facility-and-system-controls/supervisory-controls-e3 https://media.copeland.com/9980283b-75a6-450c-8ece-b16d004eb29f/15558-E3_Product_Spotlight_v6%20-%207483898.pdf?utm At Carlson & Stewart Refrigeration, Inc., we are dedicated to ensuring that our clients benefit from the latest advancements in refrigeration technology. One such advancement is Copeland’s E3
Refrigeration systems can be a costly, but vital, component in the food market and with them comes a lot of questions. With the AIM Act looking to phase out refrigerants with high global warming potential as well as a consistent push to go to all natural refrigerants, our customers are now finding themselves wondering which
PFAS and Refrigeration Folks of a certain age may have the “hole in the ozone layer” burned into their memory as one of the first widely discussed environmental concerns. After it was confirmed that Chlorofluorocarbon’s (CFCs) were significant contributors to this ecological disaster, government regulations helped to alleviate the long-term damage by strictly limiting
PFAS and Refrigeration Read More »