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How to Measure Superheat and Subcooling!

This is 4 HVAC Scenarios on How to Measure Subcooling or Superheat to Check a Refrigerant Charge Level. There are 4 Different Refrigerant Charging Scenarios that have to do with Calculating Undercharge or Overcharge, how to know to use Superheat and How to know when to use Subcooling. I go over the methods used without any slide ruler or other tool besides the required Gauge Set and Temp Sensor. We discuss why you would need to add refrigerant or take out refrigerant!
How to Measure Superheat and Subcooling!

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