LED ENERGY GUIDE Estimated Airflow Yearly Energy Cost 3,737 $ 1 2 Cubic Feet Per Minute v . * The higher the airflow, the | | 334 more alr the fan will move ) « Airflow Efficiency: 84 Cubic Cost Range of Similar Models (19" 847) Poet Por Minute Per Watt +Based on 20 cents per kWh and 6.