SPECIFICATIONS Fan Size Speed Volts Amps Watts RPM CFM Low 120 007 High 120 0.42 3.94 94 30.41 197 2591 5355 494 kgs 6.91 kgs 1.054' Estimated Yearly Energy Cost $5 B= Airflow 4,046 Cubic Feet Per Minute + The higher the airflow, the more air the fan will move ยป Airflow Efficiency: 208 Cubic Lost Range of Similar Models {19โ โ 84โ) Feet Per Minute Per Watt + Ba gad on 12 cents per kWh and 6.