Hot gas defrost systems offer several advantages over electric defrost systems. They are more energy-efficient, as they utilize waste heat from the compressor and condenser to defrost the coils, rather than relying on electrical resistance heating. Hot gas defrost systems also tend to be faster and more effective, allowing for shorter defrost cycles and reducing the overall impact on system operation. Additionally, hot gas defrost systems are often more reliable and require less maintenance than electric defrost systems.