10 Best Trifuel Generators 2026 in the United States

The DuroMax XP15000HXT Tri Fuel Generator is a powerhouse that can generate up to 15,000 watts, making it well-suited for keeping your entire home operational during power outages. One of its standout features is its versatility in fuel choice, allowing you to run it on gasoline, propane, or natural gas, which provides significant flexibility depending on availability and cost of fuel sources. The generator’s powerful 500cc OHV engine is designed to deliver reliable performance. It also features a push-button and remote start, which simplifies the operation process, and a user-friendly front-facing interface for quick fuel type changes.

A variety of outlets, including a transfer switch-ready 50 amp outlet, ensures compatibility with a range of devices and applications. The fully-loaded power panel and advanced computer interface with a large LED display make monitoring and managing the generator straightforward, providing real-time information on gas usage, load, voltage, frequency, and run time. Additionally, the CO Alert feature is a crucial safety measure that automatically shuts down the generator to prevent carbon monoxide poisoning.

The 100% copper windings enhance durability and longevity, making it a reliable choice for both residential and commercial use. However, the generator is quite heavy at 362 pounds, which may impact its portability despite the included wheel and handle kit. Additionally, while it offers robust power and comprehensive features, the noise level could be a consideration for users in noise-sensitive environments. This product is ideal for those who need a high-capacity, versatile power backup solution with a strong emphasis on safety and ease of use.

The DuroMax XP15000HXT+ is a robust portable generator delivering 15,000 watts at startup and 12,000 watts for continuous running. This level of power makes it capable of running an entire home, including large appliances and central air conditioning. One of its standout features is tri-fuel capability, meaning it can operate on gasoline, propane, or natural gas. This flexibility allows you to choose the most convenient or economical fuel option available. It also includes electronic fuel injection (EFI), which improves fuel efficiency and makes starting the engine—especially in cold weather—easier and more reliable.

The generator has an electric start system, removing the hassle of manual pull-starting. Multiple outlets on the power panel, including 120V household sockets and 30A and 50A connections, make it versatile for various power needs, including transfer switches for home backup setups. It weighs 245 pounds and comes with wheels and a handle kit, which helps with portability, though it’s still a heavy piece of equipment to move around. While it’s portable, it’s more suited for stationary use during emergencies or job sites rather than frequent transport.

The generator includes helpful safety features like a CO sensor and low oil shutdown to protect both the user and the engine. The 5-year warranty adds confidence in its durability. This generator is ideal if you need a reliable, powerful backup power source and appreciate the flexibility of running on three different fuels. If you’re looking for something lightweight or quieter for smaller tasks, this might be more than you need.

The Westinghouse 12500 Peak Watt Dual Fuel Generator is a powerful option for home backup, offering 9500 running watts on gasoline and slightly less on propane, which should meet most household needs during outages. It operates on both gasoline and propane, providing flexible fuel options, and can run up to 12 hours on a full 6.6-gallon tank, making it convenient for extended power outages. Starting is easy with the included remote electric start using a key fob, along with a manual recoil start as a backup.

This generator features multiple outlets, including standard household plugs, a transfer switch ready outlet, and an RV-ready plug, increasing its versatility for various uses. Safety features such as a CO sensor and automatic low oil shutdown enhance peace of mind, particularly for home use. Weighing around 212 pounds, it is quite heavy, so frequent movement without assistance can be challenging. Generators of this size typically produce noticeable noise, which should be considered if quiet operation is important.

Additional features include a fuel gauge, hour meter, USB port, and overload protection to help monitor usage and safeguard connected devices. A 3-year warranty and customer support provide added value. For those seeking a reliable, flexible backup generator capable of handling substantial loads and dual-fuel operation, this Westinghouse model is a strong choice, especially for residential settings where portability is less critical.