What does it take to balance environmental responsibility, safety, and system efficiency in the HVAC industry? The answer lies in the evolution of refrigerants used in compressors and the sealing ...

In this HVAC training video program, the focus is on semi-hermetic compressors found in commercial refrigeration equipment. Jim discusses how they differ from hermetic compressors, how to test the ...

Why testing matters: A failing compressor can halt cooling entirely, but proper testing before replacement avoids wasted money and targets the true cause. Core diagnostic steps: Inspect for visible ...