Barely any dual-fuel generator that could pass all of our tests like the Firman. It is easily started right from the first pull. It offers 2900 running watts for 9 hours of runtime at just 58 decibels ...

Measured at 23 and 50 feet from the generator ... or diesel fuel, a 20-pound tank for propane-based portables, or a 250-gallon propane tank for stationary models. The Firman H07553 is part ...