What Is The Difference Between Evaporator Superheat And System Superheat?

What Is The Difference Between Evaporator Superheat And System Superheat? Superheat varies within the system depending on where it is being measured. The superheat that the thermal expansion valve is controlling is the evaporator superheat. … System superheat refers to the superheat entering the suction of the compressor. Some people confuse system superheat with ‘return