Our Updates

Refrigeration Content

What Are Natural Refrigerants?

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?

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

Commercial Oil Separators

Oil management is a critical part of rack refrigeration care, operation, and maintenance. After all,

Commercial Refrigeration Compressors

Commercial Refrigeration Compressors

This article on commercial refrigeration compressors draws from several of HVAC School’s articles and videos,

Rack Refrigeration in Supermarkets

Rack Refrigeration in Supermarkets

I’d bet that almost 100% of the people reading this article have been to a

Defrost Methods and Controls

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!

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?

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

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

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

Refrigerating Food for Flavor and Safety

Wait a minute—don’t we all know how to use refrigerators? They are a staple in