Standby generators come in sizes ranging in power from 9 to 48 kilowatts (kW) and cost from $500 to $18,000. One of the best standby generators with about 20 to 24 kW can power most of a home’s ...

Measured at 23 and 50 feet from the generator. We recommend hearing protection for standing close by the unit while it's running. Our average of how long a generator ran, over various loads, on a ...