There is a way to install 220V service. You will need a sub panel and you should go through the power control system utilizing both legs of service and properly neutral and ground the sub panel. Also, you need to pull 6 gauge wire from the power control system - through the sub panel utilizing the correct sized breakers - and then run separate services to both your washer and dryer. Installed the sub panel in the basement out of the way but easily accessible. I did this and installed Asko 24" units. Works great! Wife washes two king sized sheet, pillow cases, and a few other items with no problem. The best part of the Asko washer is that it heats its own water.