Since your Fuji Clean USA system has been designed to operate continuously, it is easy to calculate power cost. Most standard residential sized units (e.g. CE5, CE7, CEN5) draw 1.2 kWh of power per day. Larger residential sized units, (e.g. CE10, CEN7 and CEN10) draw 1.7 kWh of power per day. Simply multiply your local cost of power by the draw per day to calculate daily power cost. FujiMAC RII blowers, manufactured by Fuji Clean Company power Fuji Clean treatment systems are best-in-class for efficiency and durability and draw minimal power.