10 Best Gen Generators 2025 in the United States

The DuroMax XP12000HX is a versatile 12,000-watt generator that can power your entire home during outages. It runs on both gasoline and propane, offering flexibility and fuel efficiency. The 457cc OHV engine with all copper windings ensures durability. With a variety of outlets, including a transfer switch-ready 50 amp outlet, it suits both residential and commercial needs.

The push-button electric start and front-facing interface make it user-friendly. However, at 222 pounds, it's quite heavy, though the included wheel and handle kit aid mobility. Additionally, it features CO Alert for safety. The DuroMax XP12000HX is ideal for those needing reliable, robust backup power for homes or RVs.

Its dual-fuel capability and comprehensive outlet options add to its appeal, though its weight could be a drawback.

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 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.