Estimated Airflow Yearly Energy Cost Double Feet Per Minute wv « The higher The airflow, the 834 mote afr the fh will move + Airflow Efficiency: 288 Ruble Cost Range of Similar Models [197 84") Foot Per Mingle Per Watt + Based on 12 cents per kWh ard 64 hours use per day « Your cost depends on rates and use + Energy Susie 17 Walls Al estimates based oi typical Use, scudding Tots overgeneralize Energy information listed above is a weighted average of High and Low speeds tested with the down rod supplied,