Introduction: I could measure the numbers, but I couldn't move forward from thereIn the previous article, I wrote about the initial actions to take when called for a "not cooling" issue. Before ...

When discussing the basic refrigeration cycle, we commonly use the terms superheat, subcooling, and saturation, but what do they mean and how do they help us troubleshoot a system? Each of these terms ...

In this HVAC training video program, Jim walks you through the fundamental operation of a thermostatic expansion valve and demonstrates how it operates to control refrigerant flow to a refrigeration ...