There’s a lot of dispute about which portable generator out there is the quietest. The top 3 of 2020 are: WEN 56200i, with a noise level of 52 dB, and running/starting Watts of 1600W/2000W. Second is the Honda EU2200i, 49 dB noise level, and 1800W/2200W running Watts, with the Yamaha EF2000iSv2 as third at 51.5 dB noise level and running Watts of 1600W/2000W.