10 Best Standby Generators 2026 in the United States

The Generac 7043 22kW Air Cooled Guardian Series Home Standby Generator offers powerful and reliable backup power for residential use. It provides a substantial 22,000 watts of power, which is sufficient to keep an entire household running during an outage. The generator operates on natural gas or LP gas, offering flexibility depending on your fuel source availability. The included 200-amp transfer switch ensures smooth and automatic transition during power failures, which is a crucial feature for uninterrupted home protection.

The Mobile Link Wi-Fi connectivity allows remote monitoring so you can keep track of its performance and maintenance needs from anywhere, adding convenience and peace of mind. Additionally, the generator features a robust G-Force engine, designed for durability and reduced maintenance, supported by a 5-year limited warranty. This highlights Generac's confidence in their product's longevity and reliability.

There are a few considerations to keep in mind. The generator is quite heavy, weighing 466 pounds, which could make installation challenging and will likely require professional assistance, as recommended by Generac. Although the generator is equipped with various safety features like overload protection and automatic shut down, it might be more expensive compared to smaller units due to its high power output and advanced features. This generator is a solid choice for homeowners looking for a high-capacity, reliable, and easy-to-monitor standby power solution.

The Westinghouse 28000 Peak Watt Home Backup Portable Generator is a robust solution for residential power backup needs. With 28,000 peak watts and 20,000 running watts, it provides substantial power for various household appliances and devices. It is gas-powered, which is readily available but might require consistent refueling during extended outages. The generator features an electric start and auto choke for user-friendly operation, including a remote start option for added convenience.

The automatic transfer switch readiness with multiple 30A and 50A outlets ensures compatibility with most homes' power systems. Safety is enhanced with CO sensing technology and automatic low oil shutdown, which can prevent potential hazards during operation. With a 17-gallon fuel tank, it can run up to 11 hours at 50% load, making it suitable for prolonged use. However, the size and weight of the generator might make it challenging to move and install without assistance.

This generator is a solid choice for those needing a reliable and powerful standby generator, but users should be prepared for the potential challenges in noise and mobility.

The 20kW Standby Generator with a 200-amp Transfer Switch is a robust option for residential use, ensuring your home remains powered during outages. This generator runs on both natural gas (18kW) and liquid propane (20kW), offering flexibility depending on fuel availability. Switching between these fuels is straightforward, making it convenient if you're in an area with varying fuel supplies.

One of its standout features is the automatic transfer switch, which restores power in just 10 seconds, minimizing disruption during a power outage. This seamless transition is ideal for maintaining the operation of essential appliances and electronics without interruption. The KOHLER Command PRO engine, known for its reliability, powers the generator. This engine is built for tough commercial applications, underscoring the generator's durability and long-term performance.

Another highlight is the PowerBoost technology, which ensures you can start large loads, like central air conditioners, without compromising power to other appliances. This is particularly beneficial during hot weather when air conditioning is crucial. However, the generator weighs 485 pounds, which might make installation a bit challenging and may require professional help. Despite its powerful performance, the noise level isn’t specified, an important consideration if you live in a noise-sensitive area. Additionally, the initial cost might be high due to its advanced features and dual-fuel capability. This generator is a solid choice for those who need a reliable and powerful backup power source, especially in areas with frequent outages and varying fuel availability.