10 Best 12000 Watt Generator 2026 in the United States

The DuroMax XP15000HXT is a robust 15,000-watt generator designed to power an entire home or jobsite, making it a strong choice for those needing a reliable backup during outages or heavy power demands. It runs on three types of fuel—gasoline, propane, or natural gas—offering great flexibility depending on what you have available. With a large 13.2-gallon gas tank and the ability to switch fuel types quickly from the front panel, it provides good run time and convenience.

Starting the generator is easy with its push-button and remote start options, eliminating the hassle of manual pulls. The generator includes a well-equipped power panel with multiple outlets, including 120V and 240V options, and a 50 amp output ready for transfer switches, which is perfect for home backup setups. It features advanced safety with a CO Alert system that automatically shuts the unit down if carbon monoxide is detected, adding peace of mind for indoor use near living spaces. The digital display shows important info like fuel level and power load, helping you monitor performance at a glance.

At 362 pounds, it’s on the heavier side but the included wheel and handle kit help with moving it around, so it’s portable enough for occasional relocation but not something you'd want to move daily. This generator suits anyone needing a heavy-duty, versatile, and user-friendly power source that can handle large loads with multiple fuel options. Its size and weight mean it’s best suited for stationary or semi-permanent setups rather than frequent transport.

The DuroMax XP11000iH is a versatile 11,000-watt generator that stands out in its category. With both gasoline and propane options, it offers flexibility in fuel choice. This generator is equipped with inverter technology, making it suitable for sensitive electronics, and it provides a reliable power output with 11,000 peak watts and 9,000 running watts. This makes it ideal for home emergencies, job sites, and camping trips. The CO Alert feature adds an important layer of safety by automatically shutting down the generator when dangerous carbon monoxide levels are detected.

Additionally, the remote start capability adds convenience, and the generator is also ready to connect to an Automatic Transfer Switch for seamless power transitions. Its parallel capability allows you to double the power output if needed, although this requires an additional kit. The generator runs relatively quietly for its size, but at 216 pounds, it is quite heavy, which may pose challenges in portability despite being termed 'portable.'

The 5-year warranty and low oil shutoff feature ensure long-term durability by protecting the engine. The DuroMax XP11000iH is a robust and dependable option for both residential and commercial use, although users should be prepared for its substantial weight.

The Westinghouse 18000 Peak Watt Dual Fuel Generator is a robust choice for those needing substantial power for home backup. It offers impressive power output with up to 18000 peak watts on gasoline and 16000 on propane, making it suitable for running multiple appliances during power outages. It supports both gasoline and propane, providing flexibility in fuel options. With a 10.5-gallon fuel tank, the generator can run up to 11 hours on gasoline, which is relatively efficient for its size.

The generator includes a variety of outlets: standard household receptacles, RV-ready ports, and even USB ports, catering to both home and RV users. Its electric and remote start feature adds convenience, eliminating the hassle of manual starting. Safety features like automatic low oil shutdown and rubber covers for outlets enhance confidence in its operation.

However, weighing 352 pounds, it is quite heavy, which may affect portability despite being marketed as portable. Moving it around might require additional hands or equipment. It's plug-and-play ready, coming with essential accessories like a battery charger, quick-start guide, and more, reducing setup time. The unit is backed by a three-year service warranty, providing some peace of mind. Its dual-fuel capability and high power output make it ideal for homeowners needing reliable power during emergencies, though its weight might be a downside for those prioritizing portability.