The HVAC industry has seen a significant increase in thermostatic expansion valve (TXV) usage in the past decade. In 2006, the U.S. Department of Energy (DOE) set new standards for newly manufactured ...
A common metering device used on new walk-in cooler/freezers today is the electronic expansion valve (EEV). It allows for a tighter control of a refrigerant’s superheat value leaving the evaporator ...