10 Best Gen Generators 2025 in the United States

The DuroMax XP13000EH is a powerful generator designed to keep your entire home running during power outages. With a starting wattage of 13,000 watts and running wattage of 10,500 watts, it is capable of handling substantial electrical loads. One of its key strengths is its dual fuel capability, allowing you to switch between gasoline and propane easily, which offers flexibility in fuel choice. The electric start feature makes it convenient to use, and the variety of outlets, including one that's transfer switch-ready, enhances its versatility for home, RV, or jobsite use.

Constructed with a heavy-duty all-metal frame, this generator is built for durability and can withstand severe weather and heavy use. Portability is facilitated by no-flat tires and a foldable handle, although at 234 pounds, it is quite heavy and may require effort to move. Additionally, it includes important safety features like a CO sensor and low oil shutdown. The generator comes with useful accessories such as an oil funnel, spark plug wrench, and tool set. This DuroMax model is well-suited for those needing a reliable, high-powered portable generator for diverse applications.

The Generac Guardian 14kW Home Standby Generator is a robust and reliable solution for whole-house power backup. It delivers 14,000 watts of power, making it capable of handling substantial household energy needs. This generator runs on natural gas or LP gas, which offers flexibility depending on what is available to you. Its durable aluminum enclosure ensures it can withstand outdoor conditions, and it comes with a 5-year limited warranty, giving you long-term peace of mind about your investment. Additionally, the G-Force Engine is designed for reliability and reduced maintenance, which can be a huge plus for homeowners who want a set-it-and-forget-it solution.

The inclusion of a 100 Amp transfer switch simplifies the integration with your home’s electrical system, providing seamless backup during outages. One notable feature is the Mobile Link Wi-Fi connectivity, allowing you to monitor the generator's performance remotely, which can be very convenient when you’re away from home. The generator is quite large and heavy, weighing 385 pounds, which might pose challenges during installation, so professional installation by a certified electrician is recommended. It operates relatively quietly compared to some other standby generators, thanks to the low-maintenance engines.

This generator is primarily suited for residential use and might be overkill for smaller homes or less demanding power needs. If you’re looking for a reliable, powerful, and easy-to-use standby generator for whole-house protection, the Generac Guardian 14kW stands out with its impressive features and robust construction.

The GENMAX Portable Generator (GM5500i) is a versatile option for those needing backup power for home use or camping. It provides a robust power output with 5000 running watts and 5500 peak watts, which is sufficient for running high voltage appliances and heavy-duty tools. This generator runs on gas and has a 3.9-gallon fuel tank, offering up to 10 hours of run time, making it reliable for extended use during outages or outdoor trips.

It features both manual and electric start options, simplifying the startup process and adding convenience. The generator is EPA compliant and includes an Eco-Mode for fuel efficiency and reduced emissions, alongside a CO Detect shutdown sensor for safety against carbon monoxide poisoning. One of the standout features is its low noise level, operating at only 60 decibels, which is quieter than many other generators and beneficial for residential areas and campgrounds.

However, at 127.8 pounds, it is quite heavy, though the telescoping handle helps with mobility. The generator includes multiple outlets, including a TT-30R RV outlet, making it suitable for various applications. Despite its weight, the GENMAX GM5500i is an excellent choice for those seeking a powerful and quiet generator with decent fuel efficiency and safety features.