Have nothing really bad to say. Its an air compressor so its going to make noise. Only reason i didn't give it 5 because its not really super quiet or anything. Its about as loud as id expect an air compressor to be, but nothing about it seems quiet. They say 47 db but a conversation i believe is about 60 db, so 0 chance that's correct. But considering other compressors are hundreds, this was my first compressor and was good for me for years. Im upgrading as we speak, but no real reason other than i wanted a new toy