The ARC-1230WN isn’t the quietest product I tested, but I discovered its running sound being unobtrusive. Even jogging full blast, it only registers about 54 decibels (and 41 decibels on very low), that's about the same as a microwave. The equipment’s silent Procedure is usually attributed to its inverter compressor, https://smallairconditioner47924.blogars.com/28135318/the-best-side-of-portable-air-cooler-fan