10 Best 12000 Watt Generator 2025 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 28000 Peak Watt Home Backup Portable Generator is a robust choice for those needing substantial power, boasting an impressive 20,000 running watts and 28,000 peak watts. This makes it suitable for heavy-duty applications like home backup during outages. It operates on gasoline, featuring a sizable 17-gallon tank that allows for up to 17 hours of run time at 25% load, ensuring long-lasting performance. The electric start with auto choke simplifies starting procedures, which is great for users who prefer convenience.

The unit is equipped with a range of outlets, including four standard household outlets and several high-capacity options, all with safety covers, providing versatility for different power needs. However, its substantial weight of 583 pounds compromises portability, making it less ideal for frequent transport. Users should have a stable setup in mind.

The generator includes protective features like automatic low oil shutdown and idle control, contributing to engine longevity and efficiency. A digital display offers helpful monitoring of run hours, volts, and frequency. With EPA compliance and a three-year warranty, it appears to be a reliable choice for residential use, backed by a supportive customer service network. It is ideal for those prioritizing power and reliability over portability and noise sensitivity.

The Westinghouse 13500 Peak Watt Tri-Fuel Portable Generator is a robust and versatile option ideal for home backup power. It offers significant power output with 13500 peak watts and 10500 running watts on gasoline, ensuring it can handle most household needs during an outage. Its ability to run on gasoline, propane, and natural gas adds flexibility and convenience depending on fuel availability.

The generator boasts a respectable run time of up to 19 hours on a 9.5-gallon fuel tank, which is quite impressive for long-term use without frequent refueling. Additionally, the remote electric start with a key fob, along with electric and recoil start options, enhances user convenience, especially during emergencies. It comes equipped with five outlets, including household, transfer switch ready, and RV ready options, all with rubber covers for safety.

The heavy-duty 500cc engine with a cast iron sleeve ensures durability, and features like automatic low oil and CO shutdown add an extra layer of protection. However, weighing in at 230 pounds, it is quite heavy and may not be the easiest to move around, despite its 'portable' label. The generator comes ready to use with minimal assembly and includes useful accessories like a battery charger, oil, and a tool kit. Backed by a 3-year limited warranty, it’s a reliable choice for those needing a powerful and versatile generator, though its weight might be a drawback for some users.