10 Best Gen Generators 2025 in the United States

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.

The WEN 11,000-Watt Dual Fuel Generator is a strong choice for those needing reliable backup power or outdoor electricity. It offers a high power output with 11,000 surge watts and 8,300 running watts on gasoline, and slightly less on propane, making it versatile for different fuel preferences. Switching between gasoline and propane is easy with a dial, which adds convenience and flexibility. The 6.6-gallon gas tank supports up to 8.5 hours of run time at half load, which is decent for extended use. The electric start feature lets you power it on quickly without the hassle of pull cords, which is user-friendly, especially in emergency situations.

In terms of connectivity, it provides multiple outlets: four standard 120V outlets with GFCI for safety, a 30A twist-lock, a 50A 120/240V outlet for heavier appliances, and a 12V DC plug, covering a variety of needs. This makes it well-suited for home backup or camping setups that might require different types of plugs. The generator weighs 214 pounds, which is on the heavier side, but it includes a wheel kit to aid portability. It might still be challenging to move around frequently.

Consider the size and weight if you want something very portable, but for stationary use or occasional transport, it works well. Its dual fuel capability and electric start add significant convenience over single-fuel, manual start units. Supported by positive customer reviews and a two-year warranty, it delivers solid value for users needing a robust, flexible generator for residential or outdoor use.