The ARC-1230WN isn’t the quietest model I tested, but I found its working noise to be unobtrusive. Even working entire blast, it only registers about 54 decibels (and forty one decibels on small), that is about similar to a microwave. The machine’s quiet operation could be attributed to its inverter https://mariosogxn.blogdiloz.com/28208314/fascination-about-chill-wave-ac-reviews