10 Best Fuel Efficient Generator 2025 in the United States

The Westinghouse 13500 Peak Watt Dual Fuel Portable Generator is a solid choice for a home backup power source, especially if you want flexibility in fuel options. It runs on both gasoline and propane, which can be handy depending on what fuel is more available or economical for you. With 13,500 peak watts and 10,500 running watts on gasoline, it can handle heavy loads like multiple appliances or power tools comfortably. On propane, the peak wattage is a bit lower but still substantial.

The Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator is a powerful and versatile option for home backup power needs. It supports both gasoline and propane, offering flexibility depending on fuel availability. With 9500 running watts and 12500 peak watts on gasoline (8500 running watts and 11200 peak watts on propane), it's capable of handling substantial loads, making it suitable for residential use during power outages or emergencies.

The WEN Quiet 6800-Watt Dual Fuel Generator is a solid choice for those needing reliable, versatile power, especially for RV users or as backup for electric vehicles. It runs on both gasoline and propane, offering flexibility and the potential for better fuel efficiency when using propane. With a running wattage of 5100 watts on gas and slightly less on propane, it can handle a variety of appliances and electrical needs, making it useful for camping or emergency power. The 6-hour runtime is decent for its size and fuel tank capacity, but you may need to refuel for longer use.