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 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.

The Westinghouse 12500 Watt Dual Fuel Portable Generator is a strong option for homeowners needing reliable backup power. It offers solid power output with up to 9500 running watts on gasoline and 8500 on propane, enough to support most home essentials during outages. The dual-fuel capability provides flexibility, letting you choose between gasoline and propane, which is great for fuel availability and storage. It has a convenient remote electric start with a key fob, making it easier to use than pull-start-only models, plus a recoil start as a backup. Runtime is decent, offering up to 12 hours on a full 6.6-gallon gas tank, meaning it can last through many hours of use without refueling.

The generator includes various outlets, such as standard household plugs, an RV outlet, and a transfer switch-ready outlet, covering a wide range of connectivity needs safely with protective covers. It’s fairly heavy at 210 pounds, so while it’s technically portable, moving it around may require some effort or wheels. The built-in digital display helps monitor voltage and hours used, which is useful for maintenance. Although it comes mostly ready to go with included tools and accessories, some minimal assembly is necessary.

If you want a dependable, flexible generator for home backup with modern features and good power, this Westinghouse model is a solid choice, bearing in mind its weight.