Estimated Yearly Energy Cost $15 LOR || $34] Cost Range of Similar Models (19° 840 + Based on 12 cents per cowhand 64 hours use per day i ‘Your cost depends on rates and use Energy Use: 55 Walls All estimates based on {typical use: excluding lights Airflow 4,429 Cubic Fest Per Minute ! The higher the airflow, the move air the fan will move i Airflow Efficiency: 80 Cubic Feet Per Finale Per'Watt fic.