10 Best 12000 Watt Generator 2025 in the United States

The DuroMax 12000-watt generator delivers strong power with 12,000 starting watts and 9,500 running watts, making it capable of handling heavy household appliances like air conditioners, refrigerators, and power tools. It runs on gasoline with a large 8.3-gallon tank, providing about 8 hours of runtime, which suits extended use during power outages or outdoor activities. The electric start feature makes it easy to power up without the hassle of manual pulls.

It includes valuable safety features like low oil shut-off to protect the engine and an idle control that reduces fuel use and noise when not under heavy load. Portability is decent considering its 217-pound weight, but the foldable handle and wheel kit help make moving it easier, though it remains relatively bulky. The generator offers multiple outlets and supports both 120V and 240V power, allowing flexible connections for various devices.

Although it is somewhat heavy for casual transport, its power and features make it a solid choice for home backup or RV users who need reliable and versatile performance.

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 Outdoor Power Equipment 12500 Peak Watt Generator is a robust option for home backup power needs. It offers a substantial power output of 9500 running watts and 12500 peak watts, making it capable of handling multiple appliances and devices during an outage. The generator runs on gasoline, which is widely available and convenient for most users. Its 6.6-gallon fuel tank provides up to 12 hours of run time, ensuring prolonged operation without frequent refueling.

The electric start with a remote key fob and auto choke adds convenience, making it easy to start the generator without manual effort. The inclusion of a CO sensor enhances safety by shutting down the generator if high levels of carbon monoxide are detected. This unit features a variety of outlets, including standard household receptacles, a transfer switch-ready outlet, RV-ready outlet, and USB ports, offering versatile connectivity options for different power needs.

At 212 pounds, portability may be a challenge for some, despite its 'portable' designation. The package includes everything needed to get started, including a battery charger, oil, oil funnel, and a tool kit, minimizing setup hassle. This generator is well-suited for homeowners seeking reliable, long-lasting power backup with user-friendly features and safety mechanisms.