Diagnosing a faulty compressor valve is something HVAC technicians have to deal with on a semi-regular basis, and while a bad valve is often not the main reason a compressor fails, it is an integral ...

Motors for air conditioning and refrigeration equipment are special-purpose motors called “hermetic,” meaning they’re sealed. They’re sealed because they’re in the same housing as the compressor and ...

WEST LAFAYETTE, IN — One area in which CO2 is getting an early wave of attention is mobile A/C and transport refrigeration. Researchers from the Thermodynamic Institute in Germany looked at ...

The requirements for protecting the branch-circuit conductors, control apparatus, and circuits that supply hermetic refrigerant motor-compressors against short circuits and ground faults are noted in ...