Unlock to see our ratings and compare products side by side Our average of how long a generator ran, over various loads, on a full tank of gasoline or diesel fuel, a 20-pound tank for propane ...

The Generac GP5500 ... In our lab tests, Portable Generators models like the GP5500 5939 are rated on multiple criteria, such as those listed below. Power delivery: How much wattage models ...

You'll pay a premium, but built-in home standby generators from companies like Champion, Generac, and Kohler can ... and heating systems. Unlike a portable generator, these professionally ...