10 Best Natural Gas Generators 2025 in the United States

The DuroMax XP16000iHT is a powerful portable generator delivering up to 16,000 watts of clean, stable power, enough to back up your entire home or run heavy-duty tools at a job site. It stands out with its tri-fuel capability, running on gasoline, propane, or natural gas, which gives you flexibility depending on fuel availability and cost. Switching fuels is quick and easy thanks to its front-facing fuel selector. This model includes two 50-amp outlets, allowing it to connect directly to your home’s electrical panel via a transfer switch, which is great for whole-house backup during outages.

Its remote electric start is a major convenience, letting you power it on or off from inside your home—handy during bad weather. Safety is enhanced with a built-in carbon monoxide sensor that shuts the generator off if unsafe gas levels are detected, an important feature when running fuel-powered generators near living spaces. The inverter technology ensures the power output is clean and quiet enough not to disturb neighbors, making it suitable for camping or RV use as well.

With a 10.5-gallon fuel tank and efficient engine, it provides a solid runtime, though exact hours depend on load and fuel type. At 505 pounds, it’s fairly heavy, so while it’s labeled portable, moving it may require wheels or assistance. Maintenance is straightforward, supported by included tools like an oil funnel and spark plug wrench, along with a clear digital display to monitor voltage, frequency, and fuel levels. The weight limits portability for some users, and while noise is relatively low for its size, it’s not as quiet as smaller inverter generators. This generator is a strong choice for anyone needing reliable, flexible fuel options and whole-home power backup but less suited if you need something very lightweight or ultra-quiet for casual use.

The Generac 7210 24kW Air Cooled Guardian Series is a robust natural gas generator ideal for residential use, particularly during power outages. One of its standout features is the comprehensive power output of 24,000 watts, which can effectively keep an entire home running. The included 200-amp transfer switch ensures seamless integration with your home’s electrical system, providing peace of mind during emergencies.

A key strength of this generator is its smart controls, which include Wi-Fi connectivity for remote monitoring. Users can check the generator's performance and receive maintenance alerts via the Mobile Link app, making it simple to ensure everything is running smoothly even when you're not home. Additionally, the True Power Technology guarantees clean power with very low harmonic distortion, which is crucial for sensitive electronics.

In terms of installation and use, Generac recommends professional setup by a licensed electrician, which may be a drawback for DIY enthusiasts. The generator weighs 455 pounds, making it less portable than smaller models, but it is designed for permanent outdoor installation, which can be an advantage in terms of durability and functionality. The 5-year limited warranty offers added assurance, and while some users may find the noise level during operation to be higher than expected, this is a common trade-off for powerful generators. The Generac 7210 is a strong contender in the natural gas generator category, ideal for homeowners seeking reliable backup power with smart features. Its weight and installation needs may not suit everyone, and those looking for portable options should consider alternatives.

The Westinghouse 28000 Peak Watt Tri-Fuel Generator is a powerful and versatile option for homeowners needing a strong backup power source. It delivers high wattage—up to 28,000 peak watts on gasoline and 16,000 running watts on natural gas—making it suitable for larger homes or heavy-duty power needs. One of its main strengths is its tri-fuel capability, meaning it runs on gasoline, propane, or natural gas, giving you flexibility depending on fuel availability and price. It can run up to 13 hours on a full gasoline tank at 25% load, which is decent for extended outages. The generator features a remote electric start and a digital display that shows runtime and voltage, making it easy to operate and monitor. Safety and convenience are also priorities, with automatic low-oil shutdown, overload protection, and a CO sensor.

It includes multiple outlets and is transfer switch ready, so it can connect directly to your home for seamless power. Considering portability, it’s heavy at 557 pounds but comes with large never-flat wheels and foldable handles to help move it around despite the weight. Noise levels are not explicitly stated, but due to its size and power, expect it to be somewhat loud, typical for generators of this scale. Maintenance should be manageable with features like automatic idle control, but regular upkeep is still necessary given its powerful engine.

This generator suits homeowners who need reliable, whole-home backup power, especially those who want fuel flexibility and the ability to connect directly to their home’s electrical system. It may be less ideal if you need something lightweight or very quiet.