The Yamaha EF6300ISDE is part of the Generator test program at Consumer Reports. In our lab tests, Generator models like the EF6300ISDE are rated on multiple criteria, such as those listed below.
Power delivery: How much wattage models delivered and how well they handled surges in power demand over various loads.
Power quality: A generator’s ability to deliver power smoothly, with consistent voltage.
Noise: Measured at 23 and 50 feet from the generator. We recommend hearing protection for standing close by the unit while it’s running.