10 Best Dual Fuel Portable Generator 2025 in the United States

The DuroMax XP15000HX is a powerful dual-fuel portable generator that delivers up to 15,000 watts of starting power and 12,000 watts running power, making it well-suited for whole-home backup, RV trips, or job sites needing reliable electricity. Its dual fuel capability allows you to run it on gasoline or propane, with propane offering cleaner, more efficient, and longer-lasting fuel storage. This flexibility can be very useful during emergencies or extended use.

It comes with a strong 670cc engine and durable all-copper windings designed for longevity. Starting the generator is simple thanks to the push-button electric start and remote control, which adds convenience especially in bad weather. The digital control panel provides useful info like voltage and runtime, helping you monitor performance easily.

For connectivity, it offers a variety of outlets, including multiple household 120V plugs and heavy-duty 120/240V outlets, plus a 50-amp transfer switch-ready outlet, allowing you to safely power many devices or connect directly to a home's electrical system. While weighing 345 pounds, it includes wheels and a handle kit to aid portability, though it may still be challenging to move by one person over rough terrain. An important safety feature is the built-in CO Alert system that automatically shuts the unit down if carbon monoxide is detected, which helps protect your family. This generator suits homeowners needing reliable, flexible whole-house backup power, as well as RV owners and jobsite users who require robust and versatile fuel options. It balances strong performance with useful safety and convenience features for serious power needs.

The DuroMax XP11000iH is a powerful dual-fuel portable generator that delivers up to 11,000 peak watts and 9,000 running watts, making it suitable for emergency home backup, job sites, or RV camping. Its ability to run on both gasoline and propane offers flexibility depending on your fuel availability, which is handy during extended outages or remote use. The generator includes a 7.1-gallon gas tank, providing a good runtime, though exact hours depend on your load and fuel choice. Portability is a mixed point: weighing 216 pounds, it’s heavier than smaller models but still movable with effort, especially if you have help or a wheeled cart.

Starting the generator is easy with remote electric start and an electronic ignition system, eliminating the struggle of manual pulls. It’s also equipped with safety features like a carbon monoxide sensor that automatically shuts it off if dangerous gas levels are detected, and a low oil shutoff to protect the engine. The inverter technology means it produces clean, stable power safe for sensitive electronics, which is great if you want to run devices like TVs or computers. On connectivity, it has multiple outlets including a transfer switch-ready connection, simplifying setup for home backup systems or RV hookups.

Noise levels aren’t specifically listed, but given its size and power, it may be louder than smaller inverter generators, so consider this if quiet operation is essential. The generator also supports parallel operation, allowing you to link two units for even more power if needed. It’s a reliable and versatile generator with a five-year warranty and EPA/CARB compliance. Its weight and potential noise might be drawbacks if you prioritize easy transport or quiet use. This model is best suited for those needing high power output and fuel flexibility in one robust unit.

The DuroMax XP12000HX is a powerful dual-fuel portable generator delivering up to 12,000 starting watts and 9,500 running watts, sufficient to power an entire home during outages or for heavy-duty outdoor use. It operates on both gasoline and propane, offering flexibility and cleaner fuel options; propane is especially cost-effective and has a long shelf life. The generator features an electric push-button start and a front panel for quick fuel type switching.

With a large 8.3-gallon gas tank and propane capability, it can run for extended periods depending on fuel and load. Weighing 222 pounds, it includes wheels and a foldable handle, making it portable for its size though somewhat heavy compared to smaller models. The XP12000HX includes multiple outlets such as four 120V household GFCI outlets, 30A and 50A outlets, and a transfer switch-ready outlet, suitable for emergency home backup, RV use, or commercial tasks.

Powered by a copper-wound 457cc 4-stroke engine built for durability, this generator balances power output, dual-fuel convenience, and robust outlet options. While its weight and size might challenge portability for some, it stands as a solid choice for anyone needing reliable, whole-home or heavy-duty backup power.