Commercial Air Conditioner Model: AP*****EAA AU*****EAA4513. Noise level charts1/3 octave band noise level-AU182AEEAA4914192429343944495459646925.031.540.050.063.080.0100.0125.0160.0200.0250.0315.0400.0500.0630.0800.01000.01250.01600.02000.02500.03150.04000.05000.06300.08000.010000.012500.016000.020000.0third octave band frequency Hzsound pressure level DB cooling super highcooling highcooling medcooling lowfan super highfan highfan medfan lowheating super highheating highheating medheating low1/3 octave band noise level-AU48NAIEAA4914192429343944495459646925.031.540.050.063.080.0100.0125.0160.0200.0250.0315.0400.0500.0630.0800.01000.01250.01600.02000.02500.03150.04000.05000.06300.08000.010000.012500.016000.020000.0third octave band frequency Hzsound pressure level DBcooling highcooling medcooling lowfan highfan medfan lowheating highheating medheating low