Quiet
In post #14 MAXUM outlined the Honda inverter technology. A very real benefit of this is that the generator does not have to run at a high fixed speed to output 60 cycle power. A switch selective Eco mode allows the microprocessor to cut RPM to the lowest level that can meet the load power draw. Up the load a bit and the RPM moves up to meet demand.
The result is quieter operation and better fuel economy. As has been noted, these are more expensive machines.
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