As the heart of a refrigeration system, the compressor is a vapor pump that creates the system’s required pressure differences between the low and high sides of the system. In addition, it raises the ...

If you are like most of us in the HVAC industry, you are a hands-on person - you don‘t want to mess with a lot of theory, but just get in and get the job done. But a refrigeration system is different ...

Supermarket refrigeration systems, rooftop chillers, walk-in fast-food-restaurant freezers, and refrigerated rail cars vary greatly in size and appearance. Yet they all share the same basic principles ...