Estimated Yearly Energy Cost $11 o Cost Sangs of Similar Models (19" 837) +Based on 12 cents per kWh and 6.4 hours use per day + Your cost depends on rates and use * Energy Use: 40 Watts ENERGY GUIDE Airflow 3,564 Cubic Fest Per Minute *The higher the allow, the mots alr the fan will move ยป Airflow Efficiency.