10 Best Dual Fuel Generator 2026 in the United States

The DuroMax XP13000HXT is a powerful tri-fuel generator delivering up to 13,000 starting watts and 10,500 running watts, making it suitable for whole-home backup during outages or heavy-duty commercial use. It offers great fuel flexibility with the ability to run on gasoline, propane, or natural gas, which adds convenience and potential cost savings depending on your available fuel sources. The 8.3-gallon gasoline tank provides a solid runtime, though exact duration will vary with the fuel type and load. Weighing 240 pounds, it’s not super light but comes with wheels and a handle to help move it around, which is decent portability for a generator of this size.

Its noise level at 74 decibels is somewhat loud, typical for high-capacity generators, so it might be noticeable in quiet neighborhoods. Starting the XP13000HXT is easy thanks to its electric push-button and remote start options, removing the hassle of manual pulls. The front panel includes multiple outlets, including a 50-amp transfer switch-ready outlet, allowing you to safely connect various devices or even your home’s electrical panel. The built-in CO Alert adds a safety layer by detecting harmful carbon monoxide levels.

One drawback is that due to its weight and size, it may require two people to load or unload from vehicles. Additionally, the noise level might be a concern if you need a quieter generator. This generator is a strong choice if you want robust power output, fuel choice flexibility, and convenient startup methods, especially for serious backup power needs or job sites.

The DuroMax XP13000HX Dual Fuel Portable Generator is designed to provide robust power with its impressive 13,000-watt output, making it suitable for keeping a whole household running during a power outage. One of its key strengths is the dual-fuel capability, allowing it to run on either gasoline or propane. Propane is a beneficial option as it is cost-effective, clean-burning, and has a longer shelf life compared to gasoline. The generator's 500cc OHV engine and all copper windings contribute to its durability and longevity.

It also offers a wide variety of outlets, including a 50-amp outlet that is transfer switch ready, which is excellent for connecting directly to a home’s electrical system during emergencies. Additionally, the electric start and digital display enhance user convenience. On the downside, the generator is quite heavy at 245 pounds, which may affect portability despite the included wheel and handle kit.

Additionally, the fuel tank capacity of 0.5 gallons may require frequent refueling when running on gasoline, which could be a hassle during longer outages. However, with features like CO Alert for safety and the flexibility of fuel choice, the DuroMax XP13000HX is a strong contender for those seeking a reliable and powerful generator for residential use.

The Westinghouse 18000 Peak Watt Dual Fuel Generator is a powerful home backup solution that runs on either gasoline or propane, giving you flexibility during outages. It delivers 14,500 running watts on gas and slightly less on propane, which is enough to power most household essentials and some heavy-duty tools. With a large 10.5-gallon fuel tank, it can run continuously for up to 11 hours on gasoline, which is helpful for extended use without frequent refueling. This generator includes a convenient electric start with a remote key fob, making it easy to get going from a distance.

It weighs 405 pounds, so while it has wheels and handles, it’s quite heavy and might not be very easy to move around frequently. One standout safety feature is the built-in carbon monoxide sensor that automatically shuts down the generator if dangerous fumes build up, adding peace of mind. The generator offers a good variety of outlets including standard household plugs, RV connections, and USB ports, making it versatile for many devices and appliances. It also has features like automatic voltage regulation and low total harmonic distortion, which help protect sensitive electronics like phones and computers.

Due to its size and weight, this model may not be ideal for those needing a more portable option. Also, while it’s transfer switch ready, setup for whole-home backup might require professional installation. If you want a robust, dual-fuel generator with remote start and safety features primarily for home backup or heavy-duty use, this model represents a strong candidate.