10 Best 12000 Watt Generator 2026 in the United States

The DuroMax XP13000E is a strong and reliable gasoline-powered generator that delivers a high starting wattage of 13,000 and a running wattage of 10,500, making it suitable for powering large appliances, power tools, and even whole-home backup during outages. It runs on gasoline, which is easy to find but requires careful storage. With a 0.5-gallon fuel tank, it provides about 8 hours of runtime at half load, which is decent but may need refueling for longer use.

This model includes an electric start, making it easier to power up without pulling a recoil cord. It also features a low oil shutdown and a carbon monoxide sensor for added safety, which is a thoughtful inclusion. The generator offers a versatile selection of outlets, including heavy-duty 120/240V and household 120V outlets, allowing you to connect a variety of devices. Portability is supported by foldable handles and a wheel kit, but at 236 pounds, it is quite heavy, so moving it might require some effort.

This unit is well-suited for residential or commercial use where strong, reliable power is needed, especially in emergencies or outdoor work. However, its weight and fuel capacity make it less ideal if you need a lightweight or extended runtime solution.

The Westinghouse 12500 Peak Watt Dual Fuel Generator is a strong choice for reliable power backup at home, especially during outages. It runs on both gasoline and propane, providing flexibility depending on fuel availability. With 9,500 running watts on gas and 8,500 on propane, it can handle most household essentials like refrigerators, lights, and small appliances. Its 6.6-gallon tank supports up to 12 hours of runtime, which is convenient for extended use.

Starting the generator is easy with a remote electric start and a manual recoil backup, making it user-friendly. The generator has multiple outlets, including standard household plugs, a transfer switch ready outlet, and an RV outlet, allowing safe connection of various devices. Safety features such as automatic low oil shutdown and a carbon monoxide sensor enhance user peace of mind. The noise level is around 74 decibels, which is typical for this power class—noticeable but not overly loud.

On the downside, the unit is quite heavy at over 225 pounds, making it less portable for frequent moving without assistance. While it includes a handle for maneuvering, it is better suited for stationary or occasional relocation rather than daily transport. Some users may find the size and weight challenging if they desire a lightweight generator. This generator serves well for homeowners seeking a dependable, versatile backup power source with easy start options and solid safety features, though moving it requires some effort due to its 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.