10 Best Dual Fuel Inverter Generators 2025 in the United States

The ERAYAK 4500W Dual-Fuel Portable Inverter Generator is a versatile choice if you want the flexibility to use gasoline or propane, offering up to 4,500 watts peak power and around 3,500 watts running power. This makes it suitable for home backup, camping, or RV use, especially with its 30A RV-ready outlet and multiple USB ports for various devices. It’s fairly lightweight at 54 pounds and compact, so you can carry and store it easily.

One of its standout features is the automatic fuel switch, which keeps power flowing when one fuel runs out, plus it has a quiet operation at about 58 decibels, so it won’t be disruptive during outdoor activities or at home. The built-in carbon monoxide sensor adds an important safety layer by shutting the generator off if unsafe gas levels are detected. Runtime is solid too—up to 16 hours on gasoline and over 20 hours on propane at lower loads, thanks to efficient engine controls.

The generator relies on a recoil start, which might be less convenient than electric start models. Also, while it’s powerful enough for many needs, if you require higher continuous power or full tri-fuel capability (including natural gas), this model could be limiting. It remains a reliable, quiet, and safe option for users needing flexible fuel choices and portable power, especially for camping, emergency backup, or RV use.

The maXpeedingrods 4000 Watt Dual Fuel Inverter Generator is a versatile option for outdoor activities such as camping, RV travel, or as a backup power source at home. Its dual-fuel capability allows it to run on gasoline or propane, providing flexibility in fuel choice, especially during emergencies. The generator boasts a peak output of 4000 watts and a running wattage of 3200 watts, which is generally sufficient for powering essential appliances and devices.

One of the standout features is the Bluetooth app control that enables remote starting and monitoring. This modern feature allows users to check power output, fuel levels, and running time without needing to be near the generator—definitely a plus for convenience. Additionally, its lightweight design (weighing only 52.9 pounds) makes it easy to transport, making it suitable for outdoor use.

In terms of noise level, the generator operates quietly at 58-60 decibels in Eco mode, which is comparable to a normal conversation. This is a significant advantage for users who want to use the generator in quieter settings without disturbing neighbors or fellow campers. Safety features and compliance with emissions standards give added peace of mind, ensuring the generator is well-built and follows necessary regulations. The two-year warranty further supports customer confidence in the product's quality.

The Westinghouse 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator offers a versatile and powerful solution for both home and travel trailer use. With a peak wattage of 5000 and a running wattage of 3900, it provides ample power for essential appliances and devices. The dual fuel capability allows you to use either gasoline or propane, offering flexibility depending on availability and cost. The 3.4-gallon gas tank provides up to 18 hours of run time, which is quite impressive for extended use without frequent refueling.

Additionally, the generator is designed with a telescoping handle and wheels for improved portability, although its weight of 104.7 pounds might make it a bit cumbersome for some users to move around. One of the standout features is the remote electric start, which adds convenience, especially in bad weather or for those who prefer not to manually start the generator. The noise level is low at 52 dBA, making it suitable for quieter environments and reducing noise pollution. It offers a variety of outlets, including a 120V duplex outlet, an RV-ready 30 Amp outlet, and USB outlets, ensuring compatibility with various devices and needs.

The LED data center displaying fuel level, power output, run time, and voltage is a helpful addition for monitoring performance and planning maintenance. When it comes to safety, the generator is EPA compliant and includes features like electric start and a propane regulator/hose. However, potential buyers should be aware that the generator might contain residual oil or fuel odor due to factory testing. The Westinghouse generator also comes with a 3-year limited warranty, providing some peace of mind. While the weight might be a drawback for some, its strong performance, fuel efficiency, and versatile fuel options make it an excellent choice for both residential and commercial use.