10 Best Generator Inverters 2025 in the United States

The DuroMax XP13000EH is a powerful dual fuel generator offering up to 13,000 watts of starting power and 10,500 watts running power, making it suitable for whole-home backup during outages or for heavy-duty outdoor use. It runs on both gasoline and propane, which adds flexibility depending on fuel availability. The generator features an electric push-button start and a user-friendly front panel to switch between fuel types quickly.

Built with a sturdy metal frame and no plastic parts, it is designed for durability across various weather conditions and terrain, with no-flat tires for easy mobility despite its heavy 234-pound weight. Although it’s portable, it’s quite large and might be challenging to move without help. The generator includes safety features like low oil shutdown and a CO sensor, enhancing safe operation.

While it doesn’t advertise advanced inverter technology specifically, it delivers stable power with 100% copper windings, which helps extend its lifespan and performance. Given its size and power, it may be louder than smaller inverter models. This generator is ideal for those needing robust, reliable power for entire homes, RVs, or job sites, especially when fuel options and durability are priorities. For users seeking a quieter or lighter generator mainly for sensitive electronics, a smaller inverter-focused model might be more suitable.

The Generac iQ5200 is a powerful and versatile portable inverter generator delivering 5,200 starting watts and 3,900 running watts, which is enough to run many home appliances or outdoor equipment. Its dual-fuel capability means you can use either gasoline or propane, giving you flexibility depending on what's available. It features electric start for easy operation and includes a battery, so no manual pulling is needed.

The generator’s fully enclosed design helps keep noise levels down, making it suitable for camping, tailgating, or home backup without being too loud. It also has smart features like LED indicators for oil levels and overload warnings, plus USB ports for charging small devices. The COsense safety technology adds peace of mind by detecting dangerous carbon monoxide levels. One thing to consider is its weight at 107 pounds, which makes it less easy to carry around compared to lighter models, though it remains portable with some effort.

Thanks to its inverter technology, it ensures stable, clean power to safely run sensitive electronics. If you need a reliable and flexible generator for various outdoor and backup uses and can manage its size, the Generac iQ5200 is a solid choice.

The Westinghouse Outdoor Power Equipment 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator is a versatile and powerful option for both home and travel use. With a peak wattage of 4000 watts and a running wattage of 3300 watts, it is capable of handling essential appliances and devices. It offers dual fuel capability, running on either gasoline or propane, making it flexible for various situations.

The generator is equipped with a remote electric start, multiple outlets including USB and RV-ready options, and a digital display that provides useful information like fuel level and runtime. It is also designed with safety features such as automatic low oil and CO shutdown. Despite its robust power, it operates quietly at 52 dBA and is fuel-efficient, with a runtime of up to 7 hours on a 1.69-gallon gas tank. The inclusion of an economy mode further enhances its fuel efficiency.

At 62.8 pounds, it may be a bit cumbersome to transport, although the telescoping handle aids in portability. The product is backed by a 3-year limited service warranty. This generator is a solid choice for those needing reliable power for residential use or camping trips but might be heavier than some users expect.