[RhodesianHunter]

It's not just the voltage / amperage. Even if you buy a really expensive over-under that plugs into a 220 the lack of an output vent slows down drying dramatically.

[gwbas1c]

Dryers are only vented in the United States. Most of the world uses condenser dryers that don't require venting. They also use less energy.

[RhodesianHunter]

They also take significantly longer to dry your clothes.