10 Best Whole House Generators 2025 in the United States

The Generac 7210 24kW Air Cooled Guardian Series Home Standby Generator is designed to offer reliable power for residential use during outages. With a noteworthy power output of 24,000 watts, it ensures that even larger homes can stay powered, making it a strong candidate for whole-house protection. One of its standout features is the 200-amp automatic transfer switch, which ensures seamless power switching, allowing for uninterrupted service during outages. Additionally, the Smart Controls and Mobile Link Wi-Fi connectivity enable users to monitor the generator’s performance remotely, which is a big plus for peace of mind.

The generator operates on natural gas or LP gas, offering flexibility based on user preference. With Generac’s True Power Technology, the generator promises clean and stable power, minimizing the risk of damage to sensitive electronics. The 5-year limited warranty adds an extra layer of reassurance regarding the product's reliability and long-term performance.

Potential buyers should consider a few drawbacks. The generator's weight of 455 pounds could pose challenges during installation, which requires a certified electrician. Additionally, its size may not be suitable for all outdoor spaces, requiring ample installation area.

The DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator is a robust option for ensuring your whole house stays powered during outages. With a significant 15,000-watt output, it can handle extensive power needs, making it ideal for large homes or even commercial use. The dual fuel capability allows you to use either gasoline or propane, giving you flexibility based on availability and cost efficiency. Propane, in particular, is a cleaner and longer-lasting fuel option, which can be beneficial for maintenance and storage.

The generator includes an automatic transfer switch-ready outlet, making it convenient for seamless integration into your home's power system during an outage. The CO Alert feature is a critical safety addition, shutting down the generator if it detects harmful carbon monoxide levels. This adds a layer of safety for your household that can't be overlooked. The multiple outlets and a digital display that shows voltage, frequency, and maintenance schedules make the generator versatile and user-friendly.

There is also a push-button start and remote control for easy operation. However, the generator is quite heavy at 345 pounds, which may be cumbersome for some users despite its portability features like wheels and handles. Additionally, it operates at a noise level that might be noticeable, though this is typical for generators of this capacity. The large size and weight mean installation might require some effort and space planning. With a 5-year warranty, it offers reassurance of longevity and reliability.

The Generac 7043 22kW Air Cooled Guardian Series Home Standby Generator stands out as a solid option for anyone looking to ensure their home has reliable power during outages. Its impressive 22,000 watts of power output means it can support most home appliances, making it suitable for residential use. The generator runs on natural gas or LP gas, offering flexibility in fuel choice, which is a strong point for varied household needs.

The installation process is straightforward, although it’s recommended to have a certified electrician set it up for safety and compliance. For peace of mind, the generator comes with a 200-amp automatic transfer switch that ensures seamless power transfer during an outage, keeping your home fully protected.

One of its standout features is the Mobile Link Wi-Fi connectivity, which allows users to monitor generator performance remotely. This is particularly beneficial for those who travel or want to keep tabs on their system without being physically present. Additionally, the 5-Year Limited Warranty reflects Generac’s confidence in the product's durability and performance.

On the downside, the generator is relatively heavy at 466 pounds, which can make installation a bit challenging if not managed properly. Additionally, as it requires professional installation, upfront costs may be higher than anticipated for some homeowners. The Generac 7043 is designed for those who prioritize reliability and ease of use in a whole-house generator, especially for residential settings. While it has some weight and installation considerations, its performance and smart features make it a worthwhile investment for maintaining power during outages.