Estimated Yearly Energy Cost $13 SR | $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: 46 Walls All estimates based on {typical use: excluding lights Airflow 3,950 Cubic Fest Per Minute ! The higher the airflow, the move air the fan will move i Airflow Efficiency: 85 Cubic Feet Per Finale Per'Watt fic.