10 Best Generator Inverters 2025 in the United States

The Westinghouse 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator is a strong choice for those needing reliable power on the go, especially for camping, RVs, or home backup. It delivers up to 5000 watts at startup and 3900 watts running power, which is enough to run most essential appliances and devices. The dual fuel option lets you switch between gasoline and propane, adding flexibility especially if one fuel is hard to find. Runtime is impressive, with up to 18 hours on a 3.4-gallon gas tank, supported by an economy mode that improves fuel efficiency. It’s also designed for convenience with a remote electric start and a clear LED display showing fuel level, power output, remaining run time, and more.

Noise is kept low at about 52 dBA, so it won’t be too disruptive during use. Portability is decent for its power size, with a telescoping handle, but at 122.7 pounds, it’s not something you’ll carry around easily without wheels or extra help. It includes multiple outlets like standard household plugs, an RV-ready 30 Amp outlet, and USB ports, making it versatile for different devices. Because it’s an inverter generator, it provides clean and stable power that’s safe for sensitive electronics.

The unit is relatively heavy compared to smaller portable models, and while it’s quiet for its class, it’s not the quietest inverter generator available. Also, dual fuel setups can require occasional switching and maintenance. This generator suits users who want strong, flexible power with quiet operation and modern features, perfect for travel trailers, camping, or home use, but it may be less ideal if you need something very lightweight or ultra-quiet.

The Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator is a powerful option for those needing reliable energy, whether for residential use or outdoor activities. With a running wattage of 9000 watts on gasoline and 8100 watts on propane, it provides ample power for various applications. A standout feature is its impressive runtime of up to 17 hours on a single 9.8-gallon fuel tank, making it ideal for extended use without frequent refueling. Additionally, the remote electric start offers convenience, allowing users to start the generator from a distance.

Portability is another strong point, although weighing 187.4 pounds, it may require some effort to move around. The inclusion of multiple outlets, including transfer switch ready options, makes it versatile for different power needs, while the low total harmonic distortion (THD) means it's safe for sensitive electronics.

One potential drawback is the noise level; while it’s quieter than many traditional generators, it's still worth considering if you're sensitive to sound. The generator's weight might also be a concern for some users looking for something lightweight and easily transportable. Additionally, the initial setup, although described as plug-and-play, may still be slightly daunting for those unfamiliar with generator operations. Lastly, the CO sensor ensures added safety by alerting you to dangerous carbon monoxide levels, which is a significant plus for peace of mind.