10 Best Dual Fuel Generator 2025 in the United States

The Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator is a robust and versatile power solution, ideal for both home backup and outdoor activities. It delivers substantial power with 9000 running watts on gasoline and 8100 running watts on propane, making it suitable for heavy-duty usage. The generator can run up to 17 hours on a full 9.8-gallon tank, providing long-lasting performance, which is excellent for prolonged power outages or extended outdoor events.

One of its standout features is the remote electric start, which includes a key fob for added convenience, along with push button and recoil start options. This makes starting the generator hassle-free compared to manual start models. It includes a variety of outlets, including standard household outlets and transfer switch ready outlets, enhancing its connectivity options. The CO sensor and automatic low oil shutdown add layers of safety, making it a reliable choice for users concerned about operational safety.

Weighing 187.4 pounds, it is relatively heavy, which might affect portability despite the portable tag. However, its wheels and handle seem to compensate for this to some extent. The built-in LED data center is a useful feature, providing real-time information on fuel level, power output, and runtime, helping users manage their power usage effectively. The generator is EPA compliant and backed by a 3-year limited warranty, which adds to its reliability. While the high power output and numerous features make it a strong contender in its category, the weight could be considered a drawback for some users. Nonetheless, it stands out as a powerful, feature-rich option for those needing a reliable dual-fuel generator.

The WEN DF450i is a versatile dual-fuel generator that runs on both gasoline and propane, offering up to 4500 surge watts and 3500 running watts on gas, and slightly less on propane. A handy feature is its Auto Fuel Selection Technology, which automatically switches to gasoline when propane runs low, helping it run longer without interruption. It has a modest 2.2-gallon gasoline tank, which provides reasonable runtime, with actual hours depending on load and fuel type.

Weighing about 100 pounds, it is somewhat heavy but comes with onboard wheels and a handle, making it manageable for camping or RV setups rather than frequent moves or backpacking. Noise-wise, it operates quietly at 58 decibels at a quarter load, so it won’t disturb outdoor relaxation or sensitive environments. The electronic ignition system ensures reliable and easy starts compared to older pull-start models.

Equipped with multiple outlets, including two standard 120V plugs, a dedicated RV plug, a 12V DC outlet, and a USB port, it supports a variety of devices—from household appliances to charging electronics safely thanks to its clean inverter power. The fuel shut-off feature facilitates easier maintenance by allowing safe fuel draining. Given its power and features, this generator is well-suited for campers and RV users who want flexible fuel options, quiet operation, and sufficient outlets for modern electronics.

The WEN Quiet 6800-Watt Dual Fuel Generator is a solid choice for those needing reliable power during camping, RV travel, or emergency backup. It offers strong power output with 6800 surge watts and 5100 running watts on gasoline, and slightly lower but still substantial power on propane. This dual-fuel capability adds flexibility, allowing users to switch between gasoline and propane depending on availability or preference. The runtime of about 6 hours on a full tank provides decent usage time, though some might find it a bit short for longer use without refueling.

Portability is enhanced by onboard wheels and a telescoping handle, but at nearly 108 pounds, it might be a bit heavy to move frequently by one person. Starting is user-friendly thanks to the electric start system, which avoids the hassle of pull cords. The generator is also RV-ready with multiple outlets, including 120V/240V and USB ports, catering well to a variety of devices and electric vehicle charging needs.

A standout safety feature is the CO Watchdog sensor that automatically shuts off the generator if dangerous carbon monoxide levels are detected, providing peace of mind. Noise levels are described as quiet, which is important for camping or residential use. The generator balances power, safety, and convenience, making it suitable for recreational and emergency use.