52" ENERGY GUIDE Estimated Airflow Yearly Energy Cost 2,952 $ 1 Cubic,Feet Per Minute . «The higher the airflow, the more alr the fan wil nova ‘ »Airflow Efficiency: 88 Cubic Cost Range of Similar Models (19" 847) Fest Per Minus Por Watt ~Based on 12 cents per kWh and 8.4 hours use per day + Your cost depends on rates and use * Energy Use: 34 Watts Al estimates based on typical use, excluding ghats energetically Energy information listed above is a weighted average of High and Low speeds.