Technical specifications : parameters value motor type single phase 3 speed rpmwattagehp 950 rpm490*w0.67*hp fan typefan noise axial fan -30 inch68*db air flow ( cfm 18000*cmh10500*cfm cooling pad size 1100*100*1150mm gross weight 58 kg product dimension 1135*700*1535mm effective cooling area 2500 * sq ft.