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 ...

Occasionally a technician may need to temporarily add oil to a semi-hermetic reciprocating compressor to maintain an adequate oil level, if the oil has been trapped out in the evaporator or suction ...

Motors used for refrigeration equipment (including air conditioning systems) are hermetic. When we say “hermetic,” what do we mean? It’s a motor that’s sealed from the outside. In the case of ...

Timothy has written about personal finance, including detailed home renovation and repair cost guides, since 2017. His work covers everything from plumbing and roofing to solar and pest control. Find ...

Vehicle cooling and warming systems, also known as air conditioners, are desirable technologies in vehicles. They provide a comfortable climate for the driver and passengers by keeping the cabin cool ...

According to a government notification, Hermetic Compressors of more than 7000 W (2 TR) capacity have been removed from the order for one year for the manufacturers of air conditioning and ...