Best Natural Gas Generator Portable Reviews: Top Picks of 2026

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Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator

Pros:

1. Tri-Fuel Capability: One of the standout features of the Westinghouse 14500 Peak Watt Tri-Fuel Generator is its ability to run on three different fuel types: gasoline, propane, and natural gas. This flexibility allows users to choose the most convenient or cost-effective fuel option based on availability and preference. Whether you're at home or on the go, this generator offers versatility that ensures you’re never without power.
    
2. Powerful Output: With a peak wattage of 14,500 watts and a running wattage of 11,500 watts when using gasoline, this generator is designed to handle the demands of larger homes or essential appliances during power outages. For those who prefer propane or natural gas, the generator still provides solid performance, with 13,500 peak watts on propane and 12,000 peak watts on natural gas. These figures make it a reliable backup solution for households that rely on multiple appliances and devices.
    
3. Impressive Runtime: The Westinghouse Tri-Fuel Generator offers substantial runtime, capable of running up to 19 hours on a 9.5-gallon gasoline tank. When using propane, you can expect up to 7 hours of continuous operation on a 20 lb. tank. This extended runtime is perfect for long-term outages or outdoor activities where a constant power supply is needed.
    
4. Heavy-Duty Engine: Powered by a 550cc 4-Stroke OHV Westinghouse engine, the generator is designed for durability and long-lasting performance. The engine features a cast iron sleeve, ensuring it can handle tough workloads and frequent use without compromising on reliability.
    
5. Easy Setup and Remote Start: The generator includes a remote electric start feature, which adds convenience and saves time during emergency situations. This is especially beneficial when you need quick access to power without the hassle of manual start-up.
    
6. Factory-Tested for Reliability: Westinghouse ensures all of its portable generators are functionally tested in the factory, providing assurance that they meet quality standards before reaching customers. This testing helps minimize the chances of mechanical issues and gives users peace of mind that their unit will perform as expected.
    
7. EPA Compliant: The Westinghouse Tri-Fuel Generator is EPA compliant, meaning it meets the environmental standards set by the Environmental Protection Agency. This makes it an eco-friendly choice for those looking to reduce their carbon footprint while still having access to portable power.
    
8. 3-Year Limited Warranty: Backed by a 3-year limited warranty, the generator provides coverage for service, labor, and parts. This offers customers added protection and support for the longevity of their purchase.

Cons:

1. Heavy and Bulky: Due to its large size and powerful engine, the Westinghouse 14500 Peak Watt Tri-Fuel Generator can be heavy and cumbersome to transport. At over 200 pounds, it may not be the most practical choice for individuals looking for a lightweight, portable solution.
    
2. Noise Level: While the generator provides ample power, it can be somewhat noisy, especially when operating at full load. If you're using it in a residential area or close quarters, the noise may be a nuisance, so it’s something to consider if quiet operation is a priority.
    
3. Requires Frequent Maintenance: Like most heavy-duty generators, the Westinghouse Tri-Fuel Generator requires periodic maintenance, including oil changes and air filter replacements. While this is standard for such units, it can be an inconvenience for users who prefer low-maintenance equipment.
    
4. Price Point: The generator’s price may be on the higher side, particularly when compared to smaller, less powerful models. However, given the tri-fuel capability and high wattage, this is an expected trade-off for the performance and reliability it offers.
    
5. Limited Propane Runtime: While the generator can run for up to 19 hours on gasoline, the propane runtime is considerably shorter at 7 hours. This might not be ideal for users who prefer propane as their fuel source for extended periods, especially in off-grid locations.
    
6. Not Ideal for Small-Scale Use: For smaller homes or those with fewer power needs, the Westinghouse 14500 Peak Watt Tri-Fuel Generator may be overkill. It’s designed for large-scale backup power, which may not be necessary for those who only need a generator to power a few devices or appliances.
    
7. Transfer Switch Not Included: Although the generator is transfer switch ready, it does not come with one out of the box. Customers need to purchase a separate transfer switch if they wish to connect the generator directly to their home’s electrical system, which adds to the overall cost.
    
8. Requires Storage Space: Given its size and fuel capacity, the generator requires ample storage space when not in use. This may be a limitation for individuals with limited storage options, especially in urban or confined living spaces.

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Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator

Pros:

1. Tri-Fuel Flexibility: The Westinghouse 12500 Peak Watt Tri-Fuel Generator provides users with the flexibility of three fuel options: gasoline, propane, and natural gas. This tri-fuel capability ensures that you're prepared for any situation, whether you're at home during a power outage or out on a camping trip. The ability to switch between fuels gives you more control over your energy usage and costs, making this generator a versatile choice for any emergency or power needs.
    
2. Impressive Power Output: With a peak wattage of 12,500 watts and a running wattage of 9,500 watts when using gasoline, this generator packs a punch. Even when using propane or natural gas, it delivers 11,200 peak watts and 8,500 running watts (propane) or 9,500 peak watts and 7,500 running watts (natural gas). This substantial power output is perfect for larger households or heavy-duty appliances, ensuring you have enough power to keep your essential devices running during outages.
    
3. Convenient Remote Start: The Westinghouse Tri-Fuel Generator comes with a remote start key fob, allowing you to start the generator without leaving your home or vehicle. This added convenience is especially helpful when the weather is rough or when you're managing multiple tasks during an outage. The electric and recoil start options ensure that you have multiple ways to get the generator up and running, no matter your preferences.
    
4. Long Run Time: Thanks to its 6.6-gallon fuel tank, the Westinghouse 12500 offers up to 12 hours of runtime on a single fill when using gasoline. For those using propane or natural gas, it provides consistent power for several hours, ensuring you won't be left in the dark for long periods. This extended runtime makes it ideal for long power outages or for extended use during outdoor events.
    
5. Safe and User-Friendly Design: Safety is a priority with this generator, and it comes with multiple features to ensure peace of mind. It includes GFCI (Ground Fault Circuit Interrupter) outlets with rubber covers, protecting users from electrical hazards. The transfer switch-ready outlet (L14-30R) allows for easy connection to your home’s electrical system in case of a larger power outage. Additionally, the RV-ready outlet ensures that it can power your recreational vehicle on the go.
    
6. Heavy-Duty Engine: The Westinghouse 12500 Peak Watt Tri-Fuel Generator is powered by a 457cc 4-stroke OHV engine with a cast iron sleeve. This durable engine is built for long-lasting use, making it suitable for frequent, heavy-duty use without the worry of premature wear. It also features automatic low oil and CO (carbon monoxide) shutdown for added safety, ensuring the generator doesn't run into issues like overheating or oil depletion.
    
7. Plug-and-Play Setup: Setting up the Westinghouse Tri-Fuel Generator is easy, thanks to its plug-and-play design. The generator comes with everything you need to get started right out of the box, including a remote start key fob, a 12V battery charger, oil, and even a tool kit. With minimal assembly required, you can be up and running in no time.
    
8. EPA Compliant & Warranty: As an EPA-compliant product, the Westinghouse Tri-Fuel Generator adheres to environmental regulations, making it a more eco-friendly choice compared to many other generators on the market. It is backed by a 3-year limited service, labor, and parts warranty, offering users added assurance that their investment is protected for years to come.

Cons:

1. Heavy & Bulky: The Westinghouse 12500 Peak Watt Tri-Fuel Generator weighs over 200 pounds, which makes it a heavy piece of equipment to move around. While it offers powerful performance, its bulkiness can be a challenge if you need to transport it frequently or store it in smaller spaces.
    
2. Noise Level: Although the generator provides excellent power output, it can be noisy when operating at full capacity. If you plan to use it in a residential area or a location where quiet operation is important, the sound might be disruptive. It’s something to consider if you're sensitive to noise or live in close proximity to others.
    
3. Limited Propane and Natural Gas Run Time: While the generator runs for up to 12 hours on gasoline, its run time on propane and natural gas is shorter. For those who prefer using propane or natural gas, this could be a limitation, especially during extended power outages when you need a constant energy supply.
    
4. Requires Maintenance: As with most high-powered generators, the Westinghouse Tri-Fuel Generator requires regular maintenance, such as oil changes, air filter replacements, and spark plug checks. For some users, this can be an inconvenience, especially if they prefer a more hands-off approach to their equipment.
    
5. Price Point: The Westinghouse Tri-Fuel Generator is priced higher than many other generators, especially smaller models. While it offers excellent value with its tri-fuel capability and high power output, it may not be the most budget-friendly option for everyone, especially those who need a generator for lighter, occasional use.
    
6. Large Fuel Tank: While the 6.6-gallon fuel tank offers extended runtime, it can also be cumbersome to refill. The size of the tank might be impractical for some users, especially in situations where fuel availability is limited or when you're trying to keep weight and space requirements to a minimum.
    
7. Limited Propane Options: Although the generator runs on propane, the run time for propane is significantly less than gasoline. If you rely more heavily on propane, you may need to refuel more frequently, which could be a hassle during long-term use or in remote locations where fuel is less accessible.
    
8. Assembly and Setup Time: Although minimal assembly is required, some users might find it slightly inconvenient to set up, especially if they are unfamiliar with generators. Despite the included tool kit and manual, it might take some time for first-time users to get everything working correctly.

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Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator

Pros:

1. Impressive Power Output: The Westinghouse 13500 Peak Watt Tri-Fuel Generator delivers substantial power to meet the needs of larger households or more demanding equipment. With 13,500 peak watts and 10,500 running watts when using gasoline, and slightly lower but still powerful outputs when using propane or natural gas, this generator can easily handle the electrical demands of various appliances, from lights to refrigerators to air conditioning units. The generator is designed to ensure you’re not left without power, even during long outages.
    
2. Flexible Fuel Options: The tri-fuel capability is one of the standout features of this generator. You have the freedom to choose between gasoline, propane, and natural gas, giving you versatility in fuel use depending on availability and cost. This feature ensures that you're always prepared, whether you're at home during a power failure or on a remote outdoor adventure.
    
3. Extended Runtime: With a 9.5-gallon fuel tank, the Westinghouse Tri-Fuel Generator provides up to 19 hours of continuous operation on gasoline, making it perfect for long-duration power outages. Whether you’re powering a large home or providing electricity during an event, this generator’s impressive fuel efficiency ensures that you won’t have to refuel constantly.
    
4. Convenient Remote Start: One of the major benefits of this generator is the remote start function. It comes with a key fob, allowing you to start the generator from a distance. This is particularly useful during inclement weather or when the generator is placed in a hard-to-reach spot. The additional electric and recoil start options ensure that you’ll have no problem starting it under various conditions.
    
5. Durable and Safe Design: Powered by a 500cc Westinghouse 4-Stroke OHV engine, this generator is built for durability. The cast iron sleeve adds to its longevity, making it perfect for long-term use. Additionally, it includes several safety features, such as automatic low oil shutdown and carbon monoxide (CO) shutdown to protect both the machine and the user. The GFCI outlets and rubber-covered outlets provide additional protection against electrical hazards.
    
6. Plug-and-Play Setup: This generator is designed with ease of use in mind. The plug-and-play setup includes a remote start key fob, a 12V battery charger, oil, and a funnel, along with a tool kit and user manual. This makes getting started incredibly simple, and the minimal assembly required means that you’ll spend less time setting it up and more time using it.
    
7. Ready for Home Backup or RV Use: The Westinghouse 13500 Tri-Fuel Generator is perfect for home backup power or as a power source for RVs. It’s equipped with various outlets, including RV-ready 120/240V 14-50R and a transfer switch-ready 120V L14-30R, ensuring you can easily connect it to your home or RV without any hassle. These outlets, along with the rubber covers, ensure that you’re prepared for both home and recreational use.
    
8. EPA Compliant and Warranty Coverage: This generator is EPA compliant, meeting environmental regulations, which makes it a more eco-friendly option compared to other generators. Additionally, the 3-year limited service, labor, and parts warranty provides extra peace of mind, ensuring that any issues are covered by the manufacturer. This extended warranty makes it an excellent long-term investment.

Cons:

1. Heavy and Bulky: With its large size and powerful output, the Westinghouse Tri-Fuel Generator is heavy, weighing over 200 pounds. While it offers excellent power, this makes it less portable compared to smaller generators. Moving it around may be difficult for individuals without adequate storage space or the assistance of multiple people, especially if frequent transportation is required.
    
2. Noise Level: Like most generators of its size, the Westinghouse Tri-Fuel Generator can be quite noisy, especially when running at full capacity. If you're using it in a quiet neighborhood or close to other people, the noise level may be disruptive. This could be a concern for users who are sensitive to loud noises or who need the generator to operate quietly.
    
3. Price Point: The Westinghouse Tri-Fuel Generator is on the higher end of the price spectrum, making it less suitable for those on a tight budget. While the price is justified by the generator’s power and features, it may not be the most cost-effective option for individuals who only need a generator for smaller, less demanding tasks.
    
4. Limited Propane and Natural Gas Run Time: While the gasoline run time is impressive at up to 19 hours, the propane and natural gas run times are shorter. This may be a drawback for users who prefer these fuels, as they will need to refuel more frequently during extended use. If you plan to use propane or natural gas for longer durations, it’s important to consider how often you will need to refill.
    
5. Complex Setup for First-Time Users: Although the setup is considered plug-and-play, the Westinghouse Tri-Fuel Generator still requires some basic understanding of how to use the various outlets and connections. First-time users may need some time to familiarize themselves with the generator's functions and setup, even though the minimal assembly and the included manual make it easier to get started.
    
6. Large Fuel Tank: While the large fuel tank provides extended runtime, it may not be the most practical choice for every user. The size of the tank can make the generator bulkier and harder to store, especially in smaller spaces or for those who are looking for a more compact, lightweight option.
    
7. Maintenance Needs: Like most heavy-duty generators, this model requires routine maintenance, including oil changes, spark plug inspections, and air filter replacements. Though essential for keeping the generator running smoothly, these maintenance tasks can be inconvenient for those who prefer minimal upkeep.
    
8. Less Ideal for Smaller Power Needs: The Westinghouse Tri-Fuel Generator is best suited for users with significant power demands, such as larger homes or heavy-duty appliances. For smaller power needs, this generator might be overkill, and there are other, more compact and affordable options that could better suit those looking for a lighter, more economical generator.

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Champion Power Equipment 8125-Watt Electric Start Tri-Fuel Portable Generator with CO Shield

Pros:

1. Tri-Fuel Flexibility: The Champion Power Equipment 8125-Watt Tri-Fuel Generator stands out for its versatility, allowing you to power up using gasoline, propane, or natural gas. Whether you're running errands, camping, or facing an unexpected power outage, you’ll have multiple fuel options to keep things running smoothly. Plus, it comes with natural gas and propane hoses right out of the box, so you can get started without any additional purchases.
    
2. Impressive Power Output: Despite being a portable unit, the Champion 8125-Watt Generator provides robust power. With 8,125 starting watts and 6,500 running watts on gasoline, it’s suitable for powering a variety of appliances, from your refrigerator to essential home systems during an outage. The propane option still delivers 7,500 starting watts and 6,000 running watts, while the natural gas output is slightly lower but still impressive at 6,875 starting watts and 5,500 running watts. This makes it a reliable choice for those who need consistent power, even in remote areas.
    
3. Convenient Electric Start: Powered by a 389cc Champion engine, this generator can be easily started with the flip of a rocker switch. The electric start option is especially useful in emergency situations when you need quick access to power. No more struggling with pull cords—just press a button and you’re good to go, saving you time and effort when every second counts.
    
4. CO Shield Safety Feature: The CO Shield carbon monoxide auto shutoff system is a critical safety feature that automatically shuts the generator off if it detects dangerous levels of carbon monoxide. This provides peace of mind, particularly when using the generator indoors or in less ventilated areas, reducing the risk of exposure to harmful gases.
    
5. Real-Time Monitoring: The Champion 8125-Watt Generator comes equipped with a digital monitoring system, which tracks essential metrics such as voltage, frequency, session run time, and total run time. This allows you to keep a close eye on the generator’s performance, which can help in scheduling regular maintenance and ensuring the generator runs at optimal efficiency. For users who prioritize long-term reliability, this feature is invaluable in helping to extend the life of the generator.
    
6. Easy to Set Up and Use: Champion Power Equipment has made this generator as user-friendly as possible. It’s a plug-and-play machine that comes with everything you need to get started—fuel hoses, engine oil, and even a tool kit. The minimal assembly and simple operation mean you can be up and running without any hassle, which is a significant plus for those who are new to using generators.
    
7. Warranty and Support: The Champion 8125-Watt Generator is backed by a 3-year limited warranty, offering comprehensive coverage for the unit. This warranty, coupled with lifetime technical support, provides users with confidence that they’ll have expert help available whenever they need it. Whether you’re dealing with troubleshooting or just need advice, Champion’s customer service is always ready to assist.
    
8. Portability with Power: While it delivers significant power, the Champion Generator is still relatively easy to transport. It’s equipped with never-flat wheels and a folding handle, allowing you to move it without straining your back. The design ensures that you can take this generator to your campsite, tailgating event, or wherever you need power, without worrying about transportation issues.

Cons:

1. Noise Level: As with most powerful generators, the Champion 8125-Watt Generator is on the louder side, particularly when running at full load. If you plan to use it in a residential neighborhood or in close quarters, the noise may become a concern. While it’s not unusual for a generator of this size to produce noise, it’s worth considering if a quieter operation is a priority for you.
    
2. Heavy Weight: While the generator is portable, it is relatively heavy for a unit of its power output. Weighing in at over 200 pounds, it may be difficult to move around without assistance, especially in rough terrain. Those who need to frequently transport it or store it in smaller spaces may find it cumbersome.
    
3. Limited Propane and Natural Gas Run Time: While the Champion Generator offers decent run time with gasoline (up to 10 hours at half load), the propane and natural gas run times are a bit shorter. If you rely more on propane or natural gas as a fuel source, you may find yourself needing to refill more frequently, which can be a hassle during extended use.
    
4. Fuel Consumption: Although the generator provides ample power, the fuel consumption may be higher than some users expect, particularly when using gasoline. For those who plan on using the generator for long hours, the fuel consumption could become a significant cost over time, especially during power outages that last for extended periods.
    
5. Not Ideal for Small-Scale Use: For users who only need a generator to power a few small appliances or tools, the Champion Tri-Fuel Generator might be overkill. While it offers robust power for large homes or heavy-duty equipment, its output may be excessive for users with simpler, smaller-scale needs. Those looking for a compact and cost-effective solution might prefer a smaller, more budget-friendly option.
    
6. Maintenance Needs: While the Champion Generator is designed for ease of use, it does require regular maintenance to keep it running smoothly, including oil changes, air filter replacements, and spark plug inspections. For some users, this could be a bit of a hassle, especially if they prefer a low-maintenance generator.
    
7. Size and Storage: Despite its portability features, the Champion Tri-Fuel Generator is still fairly large and requires significant storage space. If you live in an apartment or have limited storage space, finding an appropriate place to store it might be challenging.

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DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator with CO Alert

Pros:

1. Tri-Fuel Flexibility: The DuroMax XP13000HXT offers tri-fuel technology, allowing you to run the generator on gasoline, propane, or natural gas. This versatility gives you more options when selecting fuel, whether you're at home, camping, or facing a power outage. The convenience of switching between fuels based on availability, cost, or fuel efficiency makes this generator a top pick for those who need flexibility. Natural gas is especially appealing, as it provides an endless supply, connected directly to your home's gas line, so you don't have to worry about running out of fuel.
    
2. Powerful Output: With 13,000 watts of peak power, the XP13000HXT can easily handle multiple appliances, including lights, refrigerators, air conditioners, and other household essentials during a storm or outage. Its robust 500cc OHV engine ensures it can meet the demands of a larger home or provide backup power for a business. Whether you need it for emergency situations or as a long-term power source, this generator is designed to provide the power you need.
    
3. CO Alert Technology: Safety is a key feature of the DuroMax XP13000HXT, with its CO Alert system that automatically shuts off the generator when unsafe carbon monoxide levels are detected. This feature provides peace of mind, ensuring your family is safe from potentially harmful fumes when using the generator indoors or in confined spaces. As one of the safest generators on the market, DuroMax has prioritized user health and safety with this cutting-edge technology.
    
4. Convenient Push Button and Remote Start: Starting the DuroMax XP13000HXT is a breeze, thanks to the push-button start and remote start options. With just the push of a button, or using the remote, you can quickly turn on the generator from a distance—great for those who need a quick start in emergencies. This convenience makes it a more accessible option compared to traditional pull-start generators, especially for users with mobility issues or when the generator is placed in hard-to-reach locations.
    
5. Advanced Computer Interface: The DuroMax XP13000HXT comes with a sophisticated computer interface, featuring a large LED display that shows essential data at a glance. You can easily monitor the gas gauge, load gauge, voltage, frequency, and runtime, giving you all the information you need to keep the generator operating smoothly and efficiently. This advanced system adds a layer of convenience and ensures you stay in control of the generator's performance.
    
6. Variety of Outlets: Equipped with a fully loaded power panel, the DuroMax XP13000HXT offers a variety of outlets to meet different power needs. From 4 GFCI outlets for safe household use to twist-lock outlets and a 50A heavy-duty outlet, you can plug in all kinds of devices, from power tools to RVs. The flexibility of outlet types ensures this generator can handle any task, whether at home or on a job site.
    
7. Efficient Fuel Switching: One of the standout features of this generator is its front-facing fuel interface, which makes switching between fuel types incredibly easy. With quick connects and a long, oversized 3/4 in. 5-meter hose, you can easily hook up propane tanks of various sizes or connect to your natural gas line. The flexible fuel line makes setup even easier, giving you the flexibility to choose the most cost-effective or convenient fuel at any time.
    
8. Durability and Longevity: The DuroMax XP13000HXT is built with 100% copper windings. Compared to aluminum windings, copper is a better conductor of heat and much more durable. This means the generator can run at maximum output for longer periods without degradation, extending the life of the machine and ensuring it’s a worthwhile long-term investment.
    
9. EPA and CARB Compliant: The DuroMax XP13000HXT is EPA and CARB compliant, meeting both federal and state-level emission standards. It’s environmentally friendly, making it a more sustainable choice compared to non-compliant generators. Users who are concerned about reducing their environmental impact can rest assured that this generator adheres to strict guidelines to minimize harmful emissions.

Cons:

1. Size and Weight: The DuroMax XP13000HXT is a large and heavy generator, weighing over 200 pounds. While it offers excellent power output, its bulkiness can make it challenging to transport, especially without the help of multiple people. If you need a portable generator for regular use in different locations, this might not be the most convenient choice. However, the never-flat wheels and folding handle help mitigate this issue, making it somewhat more manageable.
    
2. Noise Level: Like many powerful generators, the DuroMax XP13000HXT can be relatively loud, particularly when running at full capacity. While it’s not unusual for a generator of this size to produce noise, it could be a nuisance in residential areas or during nighttime use. If you’re looking for a quieter generator, this might not be the best option.
    
3. Fuel Efficiency: Although the generator provides ample power, its fuel consumption can be high, especially when running on gasoline. For extended use, this might result in significant fuel costs, particularly during power outages that last for long periods. If you plan to use this generator for long stretches, you may want to consider stocking up on fuel in advance.
    
4. Limited Propane and Natural Gas Run Time: While the gasoline runtime is impressive, the propane and natural gas runtimes are relatively shorter. This may be a limitation for users who prefer to use these fuels for longer durations. If you depend on propane or natural gas as your primary fuel source, you may need to plan for more frequent refueling.
    
5. Complex Setup for New Users: While the DuroMax XP13000HXT is designed to be user-friendly, its large size and multiple outlets may be overwhelming for first-time users. Some users may find the setup and learning curve a bit steep, especially when dealing with the variety of fuel options and outlets. However, with the right instructions, most users should be able to get it up and running without too much trouble.
    
6. Price Point: The DuroMax XP13000HXT is priced higher than some other portable generators, which could make it out of reach for users with a tighter budget. However, considering its powerful output, tri-fuel capabilities, and added safety features like CO Alert, the price is justified for those who need a reliable, long-lasting solution for large-scale power needs.
    
7. Not Ideal for Light Use: If you’re looking for a generator to power a few small appliances or a backup solution for occasional use, the DuroMax XP13000HXT may be overkill. This generator is designed for high-demand applications, and its size and power output may not be necessary for those with lighter power needs.