ENERGY GUIDE Estimated Airflow Yearly Energy Cost 2600 $6 Lab Foot Par Minute y . +The higher Bie airflow, $15] srs sr the in wit move Hart Efficiency: 2500 Cubic Fast Par Mie Per te Cost Range of Similar Models = ase on $2 sens pac Ky ans 5.4 hours use per day + Your cast depends an rates and use * Nigerien Use: 27 Walt.