10 Best Propane Generators 2025 in the United States

The Westinghouse 28000 Peak Watt Tri-Fuel Generator is a powerhouse designed mainly for larger homes needing reliable backup power. It offers impressive wattage, delivering up to 28,000 peak watts on gasoline and 25,200 peak watts when running on propane, which is excellent for running multiple heavy appliances or essential home systems during an outage. With a large 17.2-gallon fuel tank, it can run up to 13 hours at 25% load, giving you substantial runtime for extended outages. It supports three fuel types—gasoline, propane, and natural gas—making it versatile and convenient depending on what fuel you have access to.

The generator includes electric and remote start, simplifying the startup process, which is a big help if you want to avoid manual pulls. Portability-wise, it weighs 557 pounds but features large never-flat wheels and foldable handles to assist with moving it around, although it won’t be as easy to transport as smaller units. Generators of this size tend to produce noticeable noise and are best suited for outdoor use rather than quiet environments. The built-in sensors, automatic idle control, and voltage regulation help protect your devices and improve fuel efficiency, while the low total harmonic distortion means it can safely power sensitive electronics like computers and TVs.

A potential downside is its size and weight, which may be cumbersome for some users, and it requires professional installation for the hardwired whole-home backup option. For those seeking a robust, reliable, and flexible generator for backup power in a larger home and who do not mind the bulk, this model represents a strong contender.

The Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator is a powerful option for those in need of a reliable energy source. With a peak wattage of 11,000 watts on gasoline and 10,000 watts on propane, it delivers robust power suitable for a variety of uses, including residential and emergency backup. Its run time of up to 17 hours on a 9.8-gallon tank is impressive, ensuring long-term usage without frequent refueling. The generator features a remote electric start, which is convenient and user-friendly, along with push button and recoil start options.

It houses a heavy-duty 452cc engine with automatic low oil shutdown and a CO sensor for safety. The inclusion of GFCI outlets and transfer switch ready outlets make it versatile for different electrical needs. While it weighs 187.4 pounds, which may limit portability despite being marketed as portable, it remains a strong choice for those seeking reliability and versatility. Fuel efficiency is good, especially with the ability to run on both gasoline and propane, providing flexibility depending on fuel availability.

The rotating digital display and various included components like the oil funnel and propane regulator make it user-friendly from the start. While its weight might be a drawback for some, the generator’s comprehensive features and robust power output make it a solid choice for those seeking reliability and versatility.

The Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator is a strong contender for those seeking a flexible and powerful energy solution. Its tri-fuel capability allows it to run on gasoline, propane, and natural gas, offering versatility depending on fuel availability. With a peak output of 12500 watts on propane and 13500 watts on gasoline, it is well-suited for home backup use, ensuring that critical appliances remain operational during power outages. Users will appreciate the convenience of the remote electric start, making it easy to operate without manual effort.

At 230 pounds, this generator isn't the most portable option, and moving it around might require some effort, especially without wheels. It compensates for this with a long run time of up to 19 hours on a full gasoline tank, which is excellent for extended power outages. Its robust power suggests it might not be the quietest, so it may not be ideal for noise-sensitive environments.

In terms of fuel efficiency, the tri-fuel option lets you choose the cheapest or most available fuel, potentially saving money and offering convenience. Safety features like automatic low oil and CO shutdown provide peace of mind during operation. Additionally, its transfer switch-ready design makes it straightforward to connect to your home's electrical system. Its powerful engine and array of safety features make it a reliable choice for residential backup power. Its limited portability could be a drawback for those who need to move their generator frequently, but it's an excellent option for homeowners looking for a reliable backup power source with flexibility in fuel choice.