10 Best Generators For Sale 2025 in the United States

The Generac Guardian 22kW Home Standby Generator offers substantial power output at 22,000 watts, making it suitable for whole-house protection during outages. Its use of Natural Gas or LP Gas provides flexibility in fuel type, which is beneficial for long-term usage and efficiency. The generator features modern conveniences like WiFi connectivity for remote monitoring, allowing you to check performance and maintenance needs from anywhere, ensuring peace of mind even when away from home.

The included 200 Amp transfer switch automates the process of switching power sources, adding to the ease of use. Additionally, the generator is designed to be durable with an all-aluminum enclosure and a G-Force Engine that promises reduced maintenance and reliable performance. It also comes with a 5-year limited warranty, underscoring the manufacturer's confidence in its durability and longevity.

However, at 466 pounds, it is quite heavy, which affects its portability. This generator is best suited for permanent installation rather than as a portable unit. Installation does require a certified electrician, which adds to the initial setup cost and complexity. This generator is ideal for homeowners seeking a powerful, reliable, and low-maintenance backup power solution for their entire home.

The Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator is a powerful and versatile option, making it ideal for home backup during power outages. It offers a high power output with 9500 running watts and 12500 peak watts on gasoline, and 8500 running watts and 11200 peak watts on propane, providing flexibility in fuel choice. The generator features a substantial 6.6-gallon fuel tank, allowing up to 12 hours of runtime, which is great for extended power needs.

With both electric and recoil start options, including a convenient remote start key fob, starting the generator is user-friendly. It's also transfer switch ready and includes multiple outlets with rubber covers for safety, catering to various power needs and ensuring easy integration with home power systems. The built-in fuel gauge, automatic low oil shutdown, and digital hour meter add to its user-friendly design.

However, at 210 pounds, this generator is quite heavy, which could be a drawback for portability despite its built-in wheels and handle. It may also be louder than smaller generators, but given its power capacity, this is often expected. It's backed by a 3-year limited warranty and supported by nationwide customer service, providing reassurance in terms of reliability and support. This generator is especially suited for those needing a robust, dual-fuel power source for home backup scenarios.

The DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator is a robust option for those needing a reliable source of power for their whole home, RV trips, or job sites. One of its significant strengths is its impressive 13,000 watts of starting power, making it suitable for heavy-duty use during power outages or emergencies. Its dual fuel capability allows you to use either gasoline or propane, providing flexibility depending on availability and preferences.

The electric start feature ensures easy and quick operation, reducing the hassle of manual starts, and the variety of outlets, including a transfer switch-ready 50 amp outlet, adds to its convenience for residential use. The generator is constructed with a heavy-duty all-metal frame and 100% copper windings, enhancing its durability and longevity.

Its portability is also notable, with no-flat tires and a foldable handle making it easier to move across different terrains despite its substantial weight of 234 pounds. With features like low oil shutdown, CO sensor, and a 3-year warranty, the DuroMax XP13000EH stands out as a reliable and versatile generator, especially for those requiring robust power and dual fuel flexibility.