10 Best Generator Inverters 2025 in the United States

The Westinghouse 11000 Peak Watt Tri-Fuel Portable Inverter Generator offers a powerful solution for those needing reliable backup power at home or on the go. Its tri-fuel capability means you can run it on gasoline, propane, or natural gas, providing flexibility depending on what fuel you have available. It delivers a strong 9000 running watts on gas (up to 11000 peak watts), making it suitable for whole-home backup and heavy-duty tasks. The inverter technology helps the engine adjust speed based on demand, which reduces fuel consumption and noise, making it quieter than conventional generators. It runs up to 19 hours on a full 7.9-gallon tank, so you won’t have to refuel often during outages or camping trips.

Safety is well covered, with a built-in carbon monoxide sensor and automatic low oil shutdown to prevent damage or hazards. The generator also features a digital LED display to monitor fuel level, power output, and runtime, plus a remote start for convenience. However, at 191 pounds, this unit is quite heavy and may not be the best choice if you need a generator for frequent transport or quick moves. Also, while the noise level is lower than traditional models, 76 dBA is still noticeable in very quiet environments.

The variety of outlets, including a 50A outlet ready for transfer switches, makes this generator versatile for home or RV use. This unit is a dependable, flexible, and feature-rich inverter generator with strong power output, though it may feel bulky if portability is a top priority.

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 WEN Quiet and Lightweight 3600-Watt Dual Fuel RV-Ready Portable Inverter Generator (DF360iX) is a solid choice if you need a reliable power source for camping, RV trips, or home backup. It offers a dual-fuel option, running on gasoline or propane, which is convenient depending on fuel availability and your preferences. With a starting wattage of 3600 and running wattage of 2600 on gasoline, it provides enough power for many common appliances and devices, including sensitive electronics thanks to its clean inverter technology. This means it’s safe for phones, laptops, and tablets without risking damage from power surges. The generator runs quietly—similar to a normal conversation—making it less disruptive when you’re outdoors or in close quarters. Its built-in CO Watchdog sensor enhances safety by shutting the unit off if carbon monoxide levels get too high, which is a valuable feature for enclosed or semi-enclosed spaces.

Portability is reasonable at 49 pounds; while not ultra-light, it remains manageable for most users needing to move it occasionally. The 5-hour runtime at half load is decent, though you’ll want to keep fuel availability in mind for longer use. It includes multiple outlets—standard 120V plugs, an RV-ready connection, DC, and USB ports—covering a wide range of power needs. A fuel shut-off feature helps reduce maintenance, extending the generator’s lifespan. On the downside, the fuel tank capacity is somewhat limited at 1.5 gallons, which restricts continuous running time before refueling. Also, while 49 pounds is portable, it may be a bit heavy for those looking for ultra-lightweight options.

This generator is a thoughtful blend of quiet operation, safety features, and dual-fuel flexibility, making it a practical option for RV owners and campers who need dependable and clean power in a moderately portable package.