scerk6 months ago000Outdoor unit: I’m worried about the neighbours complaining about its noise. Is it loud? tomford6 months ago+330 Helpful answerIn my opinion it is very very quiet. Comment1 commentAnonymous6 months ago+110So anyone who complains about it also hears fleas coughing :)Show in original language (German)Commentturicumtre6 months ago000I was also surprised at how calm she is.Show in original language (German)CommentJogy-Hans6 months ago000The external heat exchanger is not loud, but quiet.Show in original language (German)Comment