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Refrigeration Content
History Of Refrigerants
Join Bryan Orr on a fascinating journey through the history of refrigerants. In this informative
What Are Natural Refrigerants?
Many of the refrigerants we use in residential HVAC units are man-made compounds. We used
Does Refrigerant Go Bad or Wear Out?
Refrigerant is the name of the fluid inside an HVAC or refrigeration system. Some people
Commercial Oil Separators
Oil management is a critical part of rack refrigeration care, operation, and maintenance. After all,
Commercial Refrigeration Compressors
This article on commercial refrigeration compressors draws from several of HVAC School’s articles and videos,
Rack Refrigeration in Supermarkets
I’d bet that almost 100% of the people reading this article have been to a
Defrost Methods and Controls
This article was inspired by Jeremy Smith’s contribution to HVAC School: “Why (and When) Do
Hot Pull Downs: Don’t Put Hot Food In The Refrigerator!
Let’s say you put hot food, livestock carcasses, or other warm products in an ordinary
What’s The Difference Between Ice Cubes and Flakes?
Many modern home refrigerators with ice machines allow you to choose between cubed or crushed
Causes and Prevention of Frozen Cases
To be clear, it’s a good thing when the insides of refrigeration cases are cold.
The History of Refrigeration
It is impossible to imagine modern life without A/C and refrigeration. For example, many Americans
Refrigerating Food for Flavor and Safety
Wait a minute—don’t we all know how to use refrigerators? They are a staple in