Which characteristic accurately describes a hermetic compressor?

A hermetic compressor is defined by its design, which incorporates both the compressor and the motor in a sealed, gas-tight housing. This characteristic is crucial as it allows the unit to operate without exposure to the atmosphere, thereby preventing refrigerant leakage and contamination. The airtight nature of a hermetic compressor ensures that the refrigerant vapor remains contained within the housing, contributing to efficiency and reliability in cooling systems.

Since the compressor and motor are sealed together, it also means that the unit is not intended for servicing; if maintenance is needed, the entire unit typically must be replaced. This design feature allows for compactness and minimizes operating noise, making hermetic compressors a popular choice in various applications, particularly in refrigeration and air conditioning.

The design intent of hermetic compressors does not restrict them to residential systems; they are commonly used in commercial and industrial applications as well, providing effective solutions across a wide range of settings.