Frequently asked questions

Question

How loud is this air purifier?

Answer

AC4002/AC4004 — 25 dB in Sleep mode, 42 dB at its highest speed

AC4006 — 24 dB in Sleep mode, 41 dB at its highest speed

AC4052/AC4054 — <49 (JIS compliance) dB 

AC4062/AC4064 — <47 (JIS compliance) dB

AC4072/AC4074 — 20 dB in Silent mode, 50 dB in Boost Power (JIS compliance) 

AC4076 — 23 dB in Sleep mode, 50 in Turbo

AC4083 — 22 dB in Silent mode, 47 dB at its highest speed


For reference:
Airplane take-off.......................150 (The eardrum can rupture at this decibel level)
Thunder/Live rock music............125 (Human pain level)
Chainsaw.................................. 115
Power mower..............................100
Busy urban street........................90
Noisy restaurant..........................80
Vacuum cleaner...........................75
Freeway traffic...........................70
Average home.............................50
Library..........................................40
Quiet rural area...........................30
Purring cat....................................25
Rustling leaves............................20
Whisper........................................15
Breathing......................................10

Was this document helpful?

Yes No Need to try first

Give us your feedback on this FAQ. What could we have done to to answer your question better?