10 Best Propane Inverter Generators 2025 in the United States

The Westinghouse 18000 Peak Watt Dual Fuel Generator is a solid choice for those seeking reliable backup power with the versatility of operating on both gasoline and propane. One of its standout features is the high power output, offering 14500 running watts with gasoline and 13000 running watts with propane, making it suitable for various household needs during outages. The generator also provides an impressive runtime of up to 11 hours on a full tank, which is helpful for extended use.

Portability is another strong point, although this generator weighs 352 pounds, which may require assistance for transportation. The electric and remote start options add convenience, allowing quick activation without manual effort. With multiple outlets, including USB ports and RV compatibility, it accommodates various devices and appliances, enhancing its usability.

On the downside, the noise level can be a concern, especially during extended use, as generators of this size are typically louder than smaller models. Users looking for quiet operation might find it less appealing. Additionally, while it includes essential components like a battery charger and oil, some assembly is required, which could be a bit challenging for those not familiar with generator setups. Fuel efficiency is decent, but always keep in mind that running costs can vary based on fuel prices and usage. The dual fuel capability is advantageous, providing flexibility, but switching fuels may involve additional setup.

The Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator is a solid choice for those seeking a dependable power solution for residential use or outdoor activities. With its impressive power output, it offers 9000 running watts on gasoline and 8100 running watts on propane, making it versatile for various needs. The ability to run for up to 17 hours on a single tank is a standout feature, ensuring you have ample power for extended periods without frequent refueling.

Portability is also a highlight, although it is slightly heavy at 187.4 pounds. The remote electric start adds convenience, allowing you to start it from a distance, which is especially useful when placed in a difficult-to-reach location. The generator's noise level is relatively low, which is a significant advantage if you're using it in a residential area or at a campsite.

On the downside, while it supports parallel capability for increased power, this feature may require additional purchasing of parallel cables. Additionally, the weight might pose a challenge for some users when transporting it. The generator is built robustly but may not be the most compact option for those with limited storage space. The included CO sensor is an essential safety feature, ensuring that you are alerted to any carbon monoxide risks. It also comes with comprehensive components to get you started right away, making it user-friendly. The Westinghouse 11000 is an excellent pick for anyone needing reliable, portable power, but consider the weight and size depending on your mobility and storage capabilities.

The Generac iQ5200 is a versatile portable inverter generator that works well for camping, residential backup, and outdoor events. It offers a solid power output of 5200 starting watts and 3900 running watts, enough to run most essential devices and small appliances. One of its strong points is its dual-fuel capability, allowing you to switch easily between gasoline and propane, which adds flexibility and can improve fuel efficiency depending on your fuel choice.

The generator is relatively quiet thanks to its fully enclosed design, making it less disruptive during use compared to louder models. It also includes handy features like an electric start for easy operation, USB ports for charging devices, and LED indicators to monitor oil levels and overloads. Plus, it supports parallel connection to double your power if needed. The COsense technology adds a safety layer by detecting carbon monoxide, which is important for indoor or enclosed space use.

Though it weighs 107 pounds, which might be heavy for carrying long distances despite the 'portable' label, it is compact compared to conventional generators. This generator suits those needing reliable, clean power with fuel flexibility and moderate quietness, while those prioritizing ultra-lightweight or very long runtime might consider other options.