You are wrong. Equipment ran on 220 runs half the amperage of the same equipment on 110. The wattage is the same, not the amps. Which is why we are charged per kilowatt hours, not amps.
1000w at 110v 9.09 amps
1000w at 220v 4.55 amps
600w at 110v 5.45 amps
600w at 220v 2.73 amps.
Watts...