Understanding Superheat and Subcooling in a Refrigeration System

About this HVAC Tip

  •  Troubleshooting, Heat Pump, AC
Do you know how to properly measure superheat and subcooling?

In this tip, Doug Priestley discusses how to measure both superheat and subcooling. He explains why these measurements are important as more units utilize thermal expansion valves (TXVs). He also goes over the tools you will need to measure superheat and subcooling, as well as how you can use these measurements to troubleshoot a unit.

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