Surge protectors are advised for regular generators and grid power because power spikes and surges can damage fragile electronics. Surge protectors aren't generally vital with inverter generators because they change AC to DC… The RYi2322VNM was the loudest generator we tested, but it’s still a lot quieter than standard generators https://zbookmarkhub.com/story18193025/the-definitive-guide-to-power-solutions-inc-generators