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 ...

This online quiz by Opteon covers a broad spectrum of HVACR topics related to the technology transition from refrigerant safety measures and equipment requirements to much more technical questions ...

An international research team has conducted a computational analysis on propane (R290) vapor compression heat pumps integrating a thermoelectric subcooler (TESC) to reduce the power consumption of ...