10 Best Dual Fuel Portable Generator 2025 in the United States

The DuroMax XP13000EH Dual Fuel Portable Generator is a versatile and powerful option for home backup during power outages, RV trips, or job sites. With a starting wattage of 13,000 watts and running wattage of 10,500 watts, it provides ample power to keep your household running smoothly. The dual fuel capability allows you to use either gasoline or propane, offering flexibility based on availability and preference.

This generator is equipped with an electric start for easy operation, and its foldable handle and no-flat tires enhance portability, despite its substantial weight of 234 pounds. The all-metal construction ensures durability, and the unit includes various outlets, including a 50 amp outlet ready for a transfer switch, making it convenient for different power needs.

One of its key strengths is the robust DuroMax engine designed for longevity and reliable performance. The noise level, however, can be a consideration as it might be louder compared to some other models. The unit also features essential safety mechanisms like low oil shutdown and a CO sensor, enhancing its reliability. If you need a powerful and versatile generator with dual fuel capability, the DuroMax XP13000EH is a strong contender, despite its weight and potential noise levels.

The WEN DF451i Super Quiet 4500-Watt Electric Start Dual Fuel RV-Ready Portable Inverter Generator offers a robust power solution for those needing reliability and flexibility in fuel choice. Capable of running on both gasoline and propane, it provides up to 4500 surge watts and 3500 rated watts with gasoline, and 4500 surge watts and 3150 rated watts on propane. This makes it versatile for various power needs, whether in a recreational vehicle or during a power outage.

With a 212cc engine, the WEN DF451i is designed to be quiet, operating at just 58 dBA from 22 feet away at a quarter load, making it suitable for noise-sensitive environments. Portability is enhanced with onboard wheels and a carrying handle, although at 100 pounds, it might require some effort to move around. A standout feature is its automatic fuel selection technology, which helps extend runtime by switching between fuel sources seamlessly. The generator is equipped with a keyless electric start and a backup recoil starter, adding convenience and reliability.

When it comes to connectivity, the generator includes multiple outlets: two three-prong 120V receptacles, one RV-ready AC 120V NEMA TT-30R receptacle, a 12V DC receptacle, and a USB port. These options ensure compatibility with a wide range of devices and applications, from household electronics to RV appliances. The generator’s runtime is around 9 hours on a full tank, which is decent but might require frequent refueling during prolonged use. Maintenance is made easier with the fuel shut-off feature, preventing stale fuel issues. The WEN DF451i is well-suited for users looking for a reliable and adaptable power source, particularly for RV use or emergency home backup, with the added benefit of dual-fuel capability and quiet operation. Its combination of features, including a digital load and fuel display and a three-year limited warranty, adds further appeal for users seeking peace of mind and ease of use.

The Westinghouse 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator offers a solid combination of power, efficiency, and convenience. With a peak wattage of 5000 and a rated wattage of 3900, it’s capable of running essential appliances and devices, making it suitable for both home use and travel trailers. The dual-fuel capability allows you to use either gasoline or propane, providing flexibility depending on fuel availability and preference.

The 3.4-gallon gas tank supports up to 18 hours of runtime, and the generator is highly fuel-efficient, particularly in 'Economy Mode'. This efficiency is complemented by its noise output of only 52 dBA, which is relatively quiet compared to many other generators in its class, making it a good option for residential areas or campgrounds where noise may be a concern. Portability is enhanced by its telescoping handle, though its weight of 124.7 pounds may still pose a challenge for some users when transporting it.

Starting the generator is made easy with options for remote start via a key fob, electric start, and recoil start. The inclusion of multiple outlet types, including a 120V duplex household outlet, an RV-ready 30 Amp outlet, and USB outlets, provides versatility for various power needs. Safety features like automatic low oil and carbon monoxide (CO) shutdown add to its reliability. The generator is also backed by a three-year limited warranty and nationwide customer service, adding peace of mind. This generator stands out for its robust power output, quiet operation, and dual-fuel flexibility, making it a strong contender for anyone needing a reliable and versatile portable power source.