Haldane CF3000 Ceiling Fan Estimated Airflow Yearly Energy Cost 4.512 $ 1 5 Cubic, Fest Per Minute v # The higher the airflow, the more air the fan will move 83 ! $34 «Airflow Efficiency: 82 Ruble Cost Range of Similar Models (197=84") Fab Per Minute Per Walt + Armageddon 12 tents per kWh and 6.