Our best overall pick is the Westinghouse 4,500-watt inverter generator. It’s able to run up to 18 hours on a 3.4-gallon tank with dual fuel technology. With its low oil shutdown, fuel is conserved ...

4500-Watt Inverter Generator The 4,500-watt model is more robust, with a wireless remote start, an economy mode for efficient power monitoring, and a three-year warranty.