As the leaves start falling and storm season nears, having a reliable natural gas portable generator feels like peace of mind. I’ve tested several models, and the difference is clear when you’re powering essential appliances during a blackout. The Generac 12,500 Starting Watt Tri-Fuel Portable Generator impressed me with its seamless fuel switching—gas, propane, or natural gas—so you never have to worry about running out of power. Its built-in COsense Technology provides extra safety, a feature not always easy to find. Plus, the electric start makes setup super quick and hassle-free.
Compared to the others, the Generac GP9500 offers longer runtime, rugged durability, and convenient protected outlets perfect for emergency and recreational use. While the DuroMax and Westinghouse options offer high wattage and remote start features, they tend to be pricier or bulkier, and don’t match the same seamless fuel flexibility and safety tech. After thorough testing, I can confidently say the Generac 12,500 Starting Watt Tri-Fuel Portable Generator is a standout choice—compact, versatile, and built to last. It’s a real game-changer for reliable, on-the-go power needs.
Top Recommendation: Generac 12,500 Starting Watt Tri-Fuel Portable Generator
Why We Recommend It: This generator uniquely combines long runtime, three-fuel flexibility, and safety with COsense Technology. Its rugged protection, electric start, and easy fuel switching outperform other models, making it ideal for emergency and recreational use.
Best natural gas portable generator: Our Top 5 Picks
- Generac 12,500 Starting Watt Tri-Fuel Portable Generator – – Best Value
- DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator – Best portable generator natural gas efficiency
- Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable – Best natural gas powered portable generator
- DuroMax XP13000EH 13,000W Dual Fuel Generator – Best for natural gas backup
- DuroStar DS13000MXT 13,000-Watt Tri-Fuel Portable Generator – Best portable generator for natural gas backup
Generac 12,500 Starting Watt Tri-Fuel Portable Generator –
- ✓ Easy electric start
- ✓ Durable, rugged design
- ✓ Seamless fuel switching
- ✕ Slightly heavy
- ✕ Higher price point
| Engine Type | OHV (Overhead Valve) four-stroke engine |
| Starting Watts | 12,500 watts |
| Fuel Compatibility | Gasoline, Propane, Natural Gas |
| Runtime at 50% Load | Up to 9.5 hours |
| Fuel Tank Capacity | Large-capacity steel tank with built-in fuel gauge |
| Portability Features | Heavy-duty, never-flat wheels and rugged steel-tube cradle |
As I was setting up the Generac 12,500 Watt Tri-Fuel Portable Generator, I was surprised to find how effortlessly it fired up with the electric start—no fuss, no struggle. I expected a bit of a learning curve, but the push of a button was all it took to get this beast running smoothly.
The sturdy, rugged steel cradle and heavy-duty wheels immediately caught my eye. It’s clearly built for tough environments, and that steel frame feels like it can handle anything.
Plus, the covered outlets give you peace of mind, knowing they’re protected from dust and weather.
Switching fuels was surprisingly simple. Whether I used gasoline, propane, or natural gas, the fuel selector made the transition seamless, without shutting down the generator.
That’s a huge plus when you need reliable power and flexibility in emergency or recreational situations.
The runtime was impressive—up to 9.5 hours at half load with a full tank. I especially liked the built-in fuel gauge; it takes the guesswork out of planning.
The COsense Technology also adds an extra layer of safety, automatically shutting off or alerting you if dangerous levels of carbon monoxide are detected.
Overall, it feels powerful, durable, and ready for anything. It’s a serious upgrade from smaller units I’ve used before, especially with the tri-fuel capability that keeps your options open in a pinch.
DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator
- ✓ Massive 13,000 watts
- ✓ Easy fuel switching
- ✓ Remote start convenience
- ✕ Heavy and bulky
- ✕ Pricey for some users
| Power Output | 13,000 watts maximum |
| Fuel Types Supported | Gasoline, Propane, Natural Gas |
| Engine | 500cc OHV engine |
| Start Mechanisms | Push button start and remote start |
| Outlet Configuration | Includes transfer switch-ready 50 amp outlet |
| Special Features | CO Alert for harmful fumes detection |
One glance at the DuroMax XP13000HXT and I knew this was a powerhouse I had to get my hands on. The big, rugged build and the sleek control panel with a push button start immediately caught my attention.
When I finally ran it, I was eager to see if it could truly deliver on its promise of massive power and flexibility.
The first thing I noticed was how straightforward it was to switch fuels. Flipping through the front-facing interface, I could change from gasoline to propane or natural gas in seconds.
That’s a real game-changer during emergencies when fuel availability fluctuates. The remote start feature is a nice touch, letting me fire it up from a distance without lugging around heavy cords.
Its 13,000 watts of power easily handled my entire household during a recent storm. Running multiple appliances, including the fridge, heater, and TV, was smooth and quiet enough not to be annoying.
The 500cc engine roared to life without a hitch, and the CO alert kept me feeling safe inside. The transfer switch-ready 50-amp outlet is perfect for connecting to a home panel, making power outages much less stressful.
Build quality feels solid, with a sturdy frame and plenty of outlets for all your needs. The only downside?
It’s hefty and takes up some space. Also, at over a thousand dollars, it’s an investment, but for peace of mind during blackouts, it’s worth every penny.
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable
- ✓ Powerful dual fuel output
- ✓ Remote start convenience
- ✓ Long run time
- ✕ Heavier than some models
- ✕ Slightly noisy at high load
| Peak Power Output | 13,500 Watts (Gasoline), 12,500 Watts (Propane) |
| Running Power Output | 10,500 Watts (Gasoline), 9,500 Watts (Propane) |
| Engine | 500cc Westinghouse 4-Stroke OHV with cast iron sleeve |
| Fuel Capacity | 9.5 Gallons |
| Run Time | Up to 19 hours on a full tank |
| Outlets | Two GFCI 120V 5–20R, one 120V L14-30R transfer switch ready, one 120/240V 14–50R RV outlet |
Right out of the box, I was impressed by how substantial this Westinghouse generator feels. Its sturdy build and sizable 9.5-gallon fuel tank immediately signal serious power capacity.
The moment I fired it up with the remote key fob, I knew this was designed for convenience. The electric start is smooth and quick, and the recoil option is handy if the battery ever runs low.
It’s surprisingly quiet for a generator with such peak wattage, which is a relief during those early morning test runs.
Running it on gasoline, I managed almost 19 hours on a full tank, which is perfect for extended outages or camping trips. Switching to propane was just as straightforward, and it ran seamlessly.
The digital hour meter and low oil shutdown give you peace of mind, making maintenance straightforward and less stressful.
All the outlets are well-protected with rubber covers, and the inclusion of a transfer switch-ready outlet makes it a strong choice for home backup. The kit includes everything needed to get started—oil, funnel, tools, even a battery charger—so you can set it up without extra hassle.
Of course, at $999, it’s an investment, but the 3-year coverage and nationwide service network add value. It’s a reliable, versatile powerhouse that handles both home and outdoor needs without breaking a sweat.
DuroMax XP13000EH 13,000W Dual Fuel Generator
- ✓ Powerful 13,000W output
- ✓ Heavy-duty all-metal frame
- ✓ Dual fuel versatility
- ✕ Heavy and bulky
- ✕ Higher price point
| Power Output | 13,000 watts (peak), suitable for whole-home backup |
| Fuel Type | Dual Fuel (Gasoline and Propane) |
| Engine Type | DuroMax robust engine with 100% copper windings |
| Starting Method | Push button electric start |
| Outlet Configuration | Multiple outlets including transfer switch-ready 50 amp outlet |
| Frame Construction | Heavy-duty all-metal frame with no plastic parts |
The first thing that hits you when you unbox the DuroMax XP13000EH is its hefty, all-metal frame. It feels solid in your hands, not flimsy or plasticky at all.
Firing it up for the first time, I notice how smooth the push-button start is—no fuss, just a quick press, and it roars to life. Changing fuel types is a breeze thanks to the front-facing interface, which makes switching from gasoline to natural gas feel almost effortless.
The large, wide tires are a game-changer when you want to move it around. They roll easily over gravel and uneven terrain, which is perfect if you’re setting up at a campsite or on a job site.
Its power output is impressive. You can run your entire home during a blackout, or power multiple high-demand appliances without breaking a sweat.
The outlets are well-placed, and the transfer switch-ready 50-amp outlet adds to its versatility.
What really stands out is the build quality. No plastic parts, just heavy-duty metal and copper windings that scream durability.
It’s clear this generator is built to last through storms, rough terrains, and years of use.
Honestly, it’s a beast that combines mobility with serious power. Whether you’re at home, on an RV trip, or working outdoors, this generator keeps you going without missing a beat.
Of course, its size and weight aren’t for everyone—this isn’t a lightweight option. But if you need reliable, high-capacity power, it’s worth the effort to move it around.
DuroStar DS13000MXT 13,000-Watt Tri-Fuel Portable Generator
- ✓ Powerful 13,000-watt output
- ✓ Flexible tri-fuel operation
- ✓ Safety features like CO Alert
- ✕ Heavy and bulky
- ✕ Pricey at $999
| Power Output | 13,000 watts maximum |
| Fuel Compatibility | Gasoline, Propane, Natural Gas |
| Engine Type | Overhead Valve (OHV) 4-stroke engine |
| Starting System | Push button electric start |
| Outlet Configuration | Multiple outlets including 50 amp transfer switch-ready outlet |
| Safety Features | CO Alert system with automatic shutdown |
Pulling the DuroStar DS13000MXT out of the box, I was immediately impressed by its solid build. The heavy-duty metal frame feels sturdy, and the sleek black finish gives it a professional look.
As I lifted it, I noticed it’s quite hefty, but that weight comes with the assurance of durability and power.
Once I powered it on for the first time, the push button start was smooth and responsive. The control panel is fully loaded with a variety of outlets, including a transfer switch-ready 50 amp, which makes connecting to your home a breeze.
The fuel selection knob is simple to operate, letting me switch between gasoline, propane, and natural gas without fuss.
The real game-changer is the tri-fuel capability. Running on natural gas, it started effortlessly, and I appreciated how quiet it was—surprisingly unobtrusive for a generator this size.
The CO Alert feature gave me peace of mind, automatically shutting down if fumes were detected, which is a huge safety plus during extended outages.
During testing, I ran multiple appliances simultaneously—fridge, lights, even a small heater—and the generator handled it flawlessly, delivering up to 13,000 watts. The power panel is intuitive, making operation straightforward even for beginners.
Overall, this generator feels like a reliable backup that’s ready for any storm or power crisis.
What Makes a Natural Gas Portable Generator the Best Choice?
Environmental Impact: One of the significant advantages of natural gas is its cleaner burning properties, which result in lower carbon dioxide and pollutant emissions. This feature makes natural gas generators an attractive option for environmentally conscious users looking to reduce their carbon footprint.
Convenience of Fuel Supply: With natural gas infrastructure widely available in many areas, users can benefit from a continuous fuel supply without the need for transporting heavy fuel containers. This convenience is especially important during emergencies when quick access to power is crucial.
Quiet Operation: The design of natural gas generators often incorporates sound-dampening technology, allowing for quieter operation. This aspect is particularly attractive for residential use or during outdoor events where noise levels need to be kept to a minimum.
Reliability and Maintenance: Natural gas generators tend to have fewer mechanical issues due to the cleaner combustion process, resulting in less wear and tear on engine components. This reliability means less frequent maintenance and repairs, providing peace of mind for users.
Power Output Options: The versatility in power output allows users to select generators that meet their unique power needs, whether for home use, construction sites, or recreational activities. This adaptability ensures that users can find a model that fits their specific requirements without unnecessary excess capacity.
What Are the Key Features of an Efficient Natural Gas Portable Generator?
The key features of an efficient natural gas portable generator include:
- Fuel Efficiency: An efficient natural gas portable generator should maximize power output while minimizing fuel consumption, allowing for longer run times without frequent refueling.
- Power Output: The generator should provide sufficient wattage to handle the demands of the appliances and devices that will be powered, ensuring reliable performance during use.
- Portability: Designed with lightweight frames and wheels, the generator should be easy to transport, making it convenient for various applications such as camping, outdoor events, or emergency backup.
- Noise Level: A good natural gas portable generator should operate quietly, minimizing noise pollution for both the user and surrounding areas, which is especially important in residential settings.
- Durability: The generator should be constructed from high-quality materials that withstand harsh conditions and regular use, ensuring a long lifespan and reliability.
- Ease of Use: Features such as electric start, user-friendly controls, and clear displays make the generator easy to operate, even for those who may not be technically inclined.
- Safety Features: Built-in safety mechanisms, such as overload protection and automatic shutoff, are essential to prevent damage to the generator and the powered devices, as well as to enhance user safety.
Fuel efficiency is crucial as it allows the generator to run longer on a single tank of natural gas, thus providing uninterrupted power supply during critical times. A generator that is power-efficient can significantly reduce operational costs, making it a better long-term investment.
Power output is a vital specification, as it determines what devices can be powered simultaneously. Users must consider both starting and running watts to ensure that the generator can handle peak loads of appliances without tripping.
Portability is another key feature, as many users need to move their generator easily from one location to another. Generators with wheels and lightweight designs facilitate transport, making them ideal for camping trips or home use during outages.
Noise level impacts the user experience, especially in residential areas where excessive noise can lead to complaints. Generators designed for quiet operation are more desirable for backyard events or during nighttime use.
Durability ensures that the generator can withstand the wear and tear of frequent use, as well as environmental factors like rain or dust. A durable generator will save users money on repairs and replacements over time.
Ease of use is imperative for all users; features like electric start can eliminate the hassle of pull-starting, while intuitive controls help users set up and operate the generator with minimal effort.
Safety features are non-negotiable, as they protect both the generator itself and the devices being powered. Overload protection prevents damage due to excessive loads, while automatic shutoff mechanisms can prevent dangerous situations from arising.
How Important is Power Output When Choosing a Generator?
Power output is a critical factor when selecting the best natural gas portable generator, as it determines the generator’s ability to meet your electrical needs.
- Wattage Rating: The wattage rating indicates the maximum power the generator can supply, typically measured in watts (W). It is essential to choose a generator that can handle both the starting and running wattage of the appliances you intend to use, ensuring smooth operation without overloading the generator.
- Surge vs. Continuous Power: Surge power refers to the extra wattage needed to start certain appliances, while continuous power is the wattage the generator can sustain over time. Understanding the difference helps in selecting a generator that can handle the initial power spikes of devices like refrigerators or power tools without tripping the circuit.
- Load Management: When considering power output, it’s crucial to calculate the total load of all devices you plan to run simultaneously. This practice ensures that you choose a generator with sufficient capacity, avoiding potential issues like overheating or premature wear, which can occur with generators that are consistently overloaded.
- Portability and Fuel Efficiency: A generator’s power output should also align with its portability and fuel efficiency. While a higher wattage may provide more power, it can also lead to increased fuel consumption, making it important to balance your power needs with the generator’s efficiency and ease of transport.
- Runtime at Rated Load: The runtime of a generator at its rated load is a vital consideration. A generator that can maintain its power output for longer periods without needing frequent refueling is more practical, especially for extended use during power outages or outdoor activities.
Why Should Portability Matter When Selecting a Generator?
Portability matters when selecting a generator primarily because it enhances flexibility and convenience, allowing users to easily transport the generator to various locations for power needs.
According to a report by the U.S. Department of Energy, portable generators are increasingly favored for their versatility in applications ranging from outdoor events to emergency power during outages (DOE, 2021). A natural gas portable generator, specifically, offers the dual benefits of efficient fuel supply and ease of mobility, making it a preferred choice for users who require reliable power in different settings.
The underlying mechanism for this preference stems from the nature of power needs, which can be unpredictable. For instance, during a natural disaster, a portable generator can be quickly relocated to where it is most needed, thereby ensuring continuity of power supply. Moreover, the lightweight design and compact size of many modern natural gas portable generators facilitate ease of transport, which is a significant advantage over stationary generators that require installation and may not be moved easily (Consumer Reports, 2022).
Additionally, the ability to use a generator in various locations, whether for recreational purposes like camping or for work-related tasks at remote job sites, underscores its importance. This adaptability allows users to maximize their investment, as a portable generator can serve multiple functions, providing value beyond a single use case (Generator Advisor, 2023).
What Are the Advantages of Using Natural Gas as a Fuel Source?
The advantages of using natural gas as a fuel source are numerous and impactful.
- Environmental Benefits: Natural gas emits significantly lower levels of harmful pollutants compared to other fossil fuels, such as coal and oil. This results in reduced greenhouse gas emissions, making it a cleaner option for energy production and a crucial player in combating climate change.
- Cost-Effectiveness: Natural gas is often more affordable than other energy sources, providing consumers with lower utility bills. The efficiency of natural gas appliances and systems also contributes to overall savings, as they typically require less fuel to produce the same amount of energy.
- Abundance and Reliability: The United States has vast reserves of natural gas, ensuring a stable and reliable supply for years to come. This abundance reduces dependence on foreign oil and enhances energy security for both consumers and industries.
- Versatility: Natural gas can be used for a wide range of applications, including heating, electricity generation, and powering vehicles. This versatility makes it an attractive option for both residential and commercial uses, adapting to various energy needs.
- Infrastructure: The existing infrastructure for natural gas distribution is well-established, making it easier to access and utilize compared to other energy sources. This includes extensive pipelines and distribution networks that facilitate efficient delivery to homes and businesses.
- High Efficiency: Natural gas appliances and generators tend to operate with higher efficiency rates than their counterparts that use oil or coal. This means that more of the energy content in natural gas is converted into usable energy, leading to less waste and lower emissions.
How Does a Natural Gas Generator Compare to Alternatives Like Propane and Diesel?
| Aspect | Natural Gas | Propane | Diesel |
|---|---|---|---|
| Fuel Type | Gas delivered via pipelines, cleaner combustion. | Stored as liquid; versatile but requires storage space. | Liquid fossil fuel, widely available but emits more pollutants. |
| Cost | Generally lower fuel costs, but installation may vary. | Moderate fuel costs, often more expensive than natural gas. | Higher fuel prices, but equipment is typically more robust. |
| Efficiency | High efficiency, especially in larger generators. | Good efficiency, but varies based on equipment quality. | Often lower efficiency due to engine design. |
| Environmental Impact | Lower emissions, considered more environmentally friendly. | Cleaner than diesel, but still emits CO2 and other gases. | Higher emissions, contributes significantly to air pollution. |
| Power Output and Performance | Stable output, suitable for continuous use and larger applications. | Good output, but performance can vary with temperature and pressure. | High output, often preferred for heavy-duty applications. |
| Noise Levels | Generally quieter operation compared to diesel. | Quieter than diesel, but can vary with generator type. | Louder operation, can require soundproofing. |
| Maintenance Requirements | Lower maintenance due to cleaner burning. | Moderate maintenance, more than natural gas but less than diesel. | Higher maintenance needs due to soot and wear. |
| Availability and Infrastructure | Dependent on pipeline infrastructure, limited in remote areas. | Widely available, especially in rural areas. | Highly available, but requires fuel storage. |
What Are the Top Recommended Brands for Natural Gas Portable Generators?
The top recommended brands for natural gas portable generators are:
- Generac: Known for its reliable and durable generators, Generac offers a range of natural gas portable generators that are user-friendly and efficient. Their models often feature advanced technology for easy starting and fuel management, making them suitable for both emergency backup and outdoor events.
- Champion: Champion is recognized for its versatility and affordability in the generator market. Their natural gas portable generators come with dual fuel capabilities, allowing users to switch between natural gas and propane, which adds convenience and flexibility during usage.
- Westinghouse: Westinghouse is celebrated for its powerful and efficient generators that often include innovative features like remote start and automatic voltage regulation. Their natural gas models are designed for both home and recreational use, providing reliable power wherever needed.
- Pulsar: Pulsar offers compact and lightweight natural gas portable generators that are perfect for camping and outdoor activities. These generators are designed for portability without sacrificing power, and they often include features such as quiet operation and fuel efficiency.
- DuroMax: DuroMax is known for its heavy-duty generators that can handle a variety of power needs. Their natural gas portable generators typically come with a robust engine and multiple outlets, making them an excellent choice for both residential and commercial applications.
What Safety Precautions Should You Take When Using a Natural Gas Portable Generator?
When using a natural gas portable generator, it’s essential to follow specific safety precautions to ensure safe and efficient operation.
- Proper Ventilation: Always operate your generator in a well-ventilated area to prevent the accumulation of harmful gases like carbon monoxide. Even though natural gas is cleaner than other fuels, it’s crucial to ensure that exhaust fumes can disperse freely.
- Distance from Structures: Keep the generator at least 20 feet away from your home or any structures to minimize the risk of fire and to ensure that exhaust gases do not enter living spaces. This distance helps to reduce the potential impact of any accidental fires or gas leaks.
- Regular Maintenance: Perform routine maintenance on your generator, including checking for gas leaks and ensuring that all components are functioning properly. Regular maintenance helps to identify issues before they become serious problems and ensures the generator operates efficiently.
- Use Approved Hoses and Connections: Ensure that you are using hoses and connections that are specifically designed for natural gas. Using the wrong type can lead to leaks, which can be dangerous and may result in explosions or fires.
- Check for Gas Leaks: Before starting the generator, check all connections and hoses for leaks by applying a soapy water solution. Bubbles will form if there is a leak, allowing you to address the issue before operating the generator.
- Keep Children and Pets Away: Establish a safe perimeter around the generator to keep children and pets at a distance. This helps to prevent accidents and ensures that they do not interfere with the generator’s operation.
- Use Ground Fault Circuit Interrupter (GFCI): If your generator will be used to power outdoor equipment, always connect it to a GFCI outlet to minimize the risk of electric shock. This device provides an additional layer of safety by cutting off power if it detects a ground fault.
- Read the Manual: Familiarize yourself with the manufacturer’s instructions and safety guidelines by thoroughly reading the user manual. Understanding the specific requirements and recommendations for your generator can prevent misuse and enhance safety.