10 Best Generator Inverters 2025 in the United States

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.

The Westinghouse 18000 Peak Watt Dual Fuel Home Backup Portable Generator is a robust option for those seeking reliable power during outages or for outdoor activities. With a powerful output of 18000 watts peak and 14500 running watts on gasoline, it ensures sufficient energy for most household needs. The ability to run on either gasoline or propane adds versatility, though running watts on propane are slightly lower at 13000. This dual-fuel capability is a strong advantage, especially in emergencies when one fuel type may be scarce.

Portability is decent given its 352-pound weight, which might be cumbersome for some users. However, it does come with a remote electric start feature that simplifies operation, making it easier to use without manual cranking. This model boasts a runtime of up to 11 hours on a full 10.5-gallon tank, which is impressive, yet actual runtime may vary based on the load and fuel type used.

The generator includes multiple outlets for versatility, including USB ports and RV-ready options, which enhance its usability for varied applications. Safety features, such as GFCI outlets and automatic low-oil shutdown, add peace of mind. The inclusion of a battery charger, oil, and other accessories means you can start using it right away. The generator is backed by a three-year warranty and has a reputation for quality, with the weight and potential noise levels being worth noting as drawbacks.

The Westinghouse Outdoor Power Equipment 5000 Peak Watt Super Quiet Portable Inverter Generator is a versatile and powerful option for those needing reliable backup power or portable electricity for travel trailers and home use. With a peak wattage of 5000 watts and a running wattage of 3900 watts, it provides ample power for essential appliances and devices. The gas-powered generator features a generous 3.4-gallon fuel tank, offering up to 18 hours of runtime, which is excellent for extended usage without frequent refueling.

Its inverter technology ensures clean and stable power, making it safe for sensitive electronics. A key highlight is the low noise level, operating as quietly as 52 dBA, which makes it suitable for residential areas and camping trips. The remote electric start with an auto choke and the included key fob adds convenience, while the telescoping handle and wheel kit enhance portability despite its 119-pound weight.

The generator is also RV-ready with multiple outlet options, including a 120V duplex household outlet, an RV-ready 30 Amp outlet, and two USB outlets, adding to its versatility. The LED data center provides useful information like fuel level and remaining runtime, helping with efficient fuel management. The product is backed by a 3-year limited warranty. However, its weight might be a concern for some users, and being gasoline-powered means it requires proper handling and storage of fuel. This generator is ideal for those seeking a robust, quiet, and portable power solution for various applications.