AIR CONDITIONER IS SOLAR POWEREDThe GreenCore 10200 solar-powered air conditioner combines photovoltaic technology with DC-engineered air conditioning. PV panels power batteries that allow the unit to operate free of the electrical grid. When the sun is not available to charge batteries through the solar panels, the system allows the batteries to be charged by AC power. (800) 326-5222 / www.greencoreair.com