ENERGY GUIDE Estimated Airflow Yearly Energy Cost 3,617 $ 1 2 Cubic Fest Per Minute v * The higher the airflow, the | $34 | mots air the fan will move ' * Allow Efficiency: 88 Cubic. Cost Range of Similar Models (19 84°) Feet Per Minute Per Watt © Based on 12 cents per kWh and 6.