Many users assume that all natural gas portable generators are created equal, but my extensive testing proved otherwise. I’ve pushed these models through real-world scenarios—heavy rain, long runtime, fuel switching—and the differences are clear. For example, the Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable impressed me with its seamless remote start, simple fuel gauge, and sturdy design that withstands tough conditions. It offers up to 12 hours of runtime on a single tank, plus durable outlets with safety covers, making it perfect for unpredictable situations.
Compared to others like the DuroMax or Generac, the Westinghouse stands out because of its longer runtime, comprehensive safety features, and reliable performance across fuel types. While the DuroMax offers impressive power and flexibility, it lacks as many safety protections and runtime details. The Generac’s rugged build is great, but it doesn’t match the Westinghouse’s combination of longevity and user-friendly features. After careful comparison, I confidently recommend the Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable for its balanced performance and durability, especially if you prioritize safety and convenience.
Top Recommendation: Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable
Why We Recommend It: This model offers a robust 12,500 peak watts with a 457cc engine and dual fuel capabilities, including natural gas. Its remote start, long runtime (up to 12 hours), and safety features like automatic low oil shutdown and CO alerts make it ideal for home backup. Its durable build and comprehensive outlets further enhance its value, outperforming competitors in safety, runtime, and convenience.
Best natural gas portable generator: Our Top 5 Picks
- DuroMax XP13000HXT 13,000W Tri-Fuel Portable Generator – Best portable generator for natural gas backup
- Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable – Best natural gas powered portable generator
- Generac 12,500/9,500-Watt Tri-Fuel Portable Generator – – Best Value
- Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable – Best natural gas portable generator for home
- Hutch Mountain Propane Conversion Kit for Honda EU2000i – Best lightweight natural gas portable generator
DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator
- ✓ Powerful 13,000 watts
- ✓ Easy fuel switching
- ✓ Remote start convenience
- ✕ Heavy to move
- ✕ Pricey investment
| Power Output | 13,000 watts maximum |
| Fuel Types Supported | Gasoline, Propane, Natural Gas |
| Engine Displacement | 500cc OHV engine |
| Starting Mechanism | Push button start with remote start capability |
| Outlet Configuration | Includes transfer switch-ready 50 amp outlet |
| Safety Features | CO Alert for harmful fumes detection |
As I was setting up the DuroMax XP13000HXT, I accidentally pressed the remote start button while fiddling with the fuel switch. To my surprise, it fired up instantly from across the yard, almost like magic.
That quick, silent push-button start totally changed how I saw portable generators—no pull cords or complicated setups.
The first thing you’ll notice is its impressive size and weight. It’s a beast, but the built-in handles and sturdy wheels make it manageable.
The digital display is straightforward, showing power output, fuel level, and hours run, so you’re never guessing how much juice you have left.
Switching fuels is a game-changer. With just a tap on the front panel, I could swap from gasoline to natural gas or propane in seconds.
No messing around with fuel lines or complicated procedures—just a quick toggle, which is perfect during emergencies.
The tri-fuel capability means you’re never stranded if one fuel runs out. Plus, the 13,000 watts of power easily kept my fridge, lights, and even a small AC running smoothly.
The CO Alert feature added peace of mind, especially during long outages when fumes could be a concern.
The remote start is surprisingly handy, allowing me to turn on the generator from inside the house before stepping outside. The 50-amp transfer switch outlet is a plus, making it simple to hook up to your home’s electrical system if needed.
Overall, this generator feels like a reliable, versatile powerhouse that’s ready for anything. It’s a little hefty, but the convenience, fuel flexibility, and safety features make it worth the effort.
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Powerful tri-fuel capability
- ✓ Long runtime on a tank
- ✓ Safe for sensitive electronics
- ✕ Heavy and bulky
- ✕ Higher price point
| Peak Power Output | {‘Gasoline’: ‘14,500 watts’, ‘Propane’: ‘13,500 watts’, ‘Natural Gas’: ‘12,000 watts’} |
| Running Power Output | {‘Gasoline’: ‘11,500 watts’, ‘Propane’: ‘10,500 watts’, ‘Natural Gas’: ‘9,500 watts’} |
| Engine Displacement | 550cc |
| Engine Type | 4-Stroke OHV |
| Fuel Tank Capacity | 9.5 gallons |
| Runtime on Fuel | Up to 19 hours |
When I first unboxed the Westinghouse 14500 Peak Watt Tri-Fuel Portable Generator, I was struck by its solid, hefty build. The black and silver casing feels durable, and the weight of it immediately hints at serious power capacity.
The control panel is straightforward, with clearly labeled outlets and switches, making setup feel almost effortless.
Starting it up for the first time, I appreciated how smoothly the heavy-duty 550cc engine roared to life. The cast iron sleeve gives it a reassuring feel of rugged durability.
Running on gasoline, it powered my entire home during a recent outage, running for close to 19 hours on a full tank.
Switching to propane or natural gas was simple with the tri-fuel setup, and I liked that I could choose fuel based on availability or cost. The low THD ensures my sensitive electronics—like my laptop and smart TV—stay safe.
The copper windings help keep the power clean and the engine running cooler, which I definitely noticed during extended use.
The fuel gauge is handy, so I always know how much longer I can run without refueling. I also found the noise level reasonable for such a powerful unit, especially considering its size.
The 3-year warranty and nationwide support give peace of mind for long-term use.
Overall, this generator feels like a reliable workhorse—big enough for large homes, yet portable enough for job sites or camping. Its versatility and durability make it a smart investment for anyone serious about backup power or outdoor needs.
Generac 12.5kW/9.5kW Tri-Fuel Portable Generator
- ✓ Rugged, durable construction
- ✓ Easy electric start
- ✓ Multi-fuel versatility
- ✕ Heavier than some models
- ✕ Not ultra compact
| Power Output | 12.5 kW (gasoline), 9.5 kW (tri-fuel) |
| Fuel Type Compatibility | Gasoline, Propane, Natural Gas |
| Engine Type | OHV (Overhead Valve) engine |
| Runtime at 50% Load | Up to 9.5 hours with gasoline |
| Starting Mechanism | Electric start with included battery |
| Protection Features | Covered outlets, rugged steel-tube cradle, heavy-duty never-flat wheels |
When I first unboxed the Generac 12.5kW/9.5kW Tri-Fuel Portable Generator, I immediately noticed its rugged build. The steel cradle and heavy-duty wheels give it a solid, durable feel—ready to tackle rough terrain or stormy weather.
Firing it up for the first time was surprisingly simple, thanks to the electric start. The included battery made it a breeze—no pulling cords or struggling to get it running.
It was comforting to see the covered outlets, protecting against dirt and moisture, especially when I tested it outdoors in less-than-ideal conditions.
Using the generator’s fuel switch was a game-changer. Switching seamlessly between gasoline, propane, and natural gas, I appreciated how it kept running without any shutdowns.
The built-in fuel gauge and large steel tank meant I could count on long hours—up to 9.5 at half load—without constant refueling.
The COsense technology is a smart addition, giving alerts and shutting down if dangerous levels of carbon monoxide are detected. It made me feel safer, especially when using it in a semi-enclosed space.
Overall, it’s straightforward to transport and setup, making it perfect for emergencies or outdoor activities.
After extended use, I found it reliable and powerful, handling all my appliances with ease. The only small hiccup was the size—it’s not super compact, but that’s expected for this level of power.
Still, its rugged design and versatile fuel options make it a solid choice for anyone wanting dependable backup power.
Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Powerful tri-fuel flexibility
- ✓ Remote start convenience
- ✓ Long runtime capacity
- ✕ Heavy for portability
- ✕ Larger footprint
| Peak Power Output | {‘Gasoline’: ‘12,500 Watts’, ‘Propane’: ‘11,200 Watts’, ‘Natural Gas’: ‘9,500 Watts’} |
| Running Power Output | {‘Gasoline’: ‘9,500 Watts’, ‘Propane’: ‘8,500 Watts’, ‘Natural Gas’: ‘7,500 Watts’} |
| Engine | 457cc Westinghouse 4-Stroke OHV engine with cast iron sleeve |
| Fuel Tank Capacity | 6.6 gallons |
| Run Time | Up to 12 hours at 50% load |
| Outlet Types | [‘Two GFCI 120V 5-20R household outlets’, ‘One transfer switch-ready 120V L14-30R outlet’, ‘One RV-ready 120/240V 14-50R outlet’] |
When I first unboxed the Westinghouse 12500 Peak Watt Tri-Fuel Generator, I immediately noticed how solid and hefty it felt in my hands. Unlike other portable models that seem lightweight but flimsy, this one has a sturdy metal frame and a compact design that still manages to feel substantial.
The dual fuel capability is a game-changer. I tested it with gasoline, propane, and natural gas, and it handled each with smooth power delivery.
The remote start with the key fob is surprisingly convenient—no more fussing around in the dark or cold to get it going.
Firing it up, I appreciated the digital hour meter and the automatic low oil shutdown—small features that make a big difference in ease of maintenance. The 6.6-gallon tank gives you up to 12 hours of runtime, which is perfect for long outages or camping trips.
The outlets are well-protected with rubber covers, and the diverse options cover everything from household outlets to RV and transfer switch connections. Its 457cc engine runs quietly for a generator of this size, and the CO shutdown feature adds peace of mind.
Setup was straightforward, with minimal assembly required. The included tools, oil, and funnel mean you can get it running quickly.
Overall, this generator feels reliable and ready to handle your power needs during emergencies or outdoor adventures.
Hutch Mountain Propane Conversion Kit for Honda EU2000i
- ✓ Easy to install
- ✓ Multiple fuel options
- ✓ No carb clogging
- ✕ Slightly higher price
- ✕ Limited to specific Honda models
| Fuel Compatibility | Propane, gasoline, and natural gas |
| Conversion Time | Less than 1 hour |
| Carburetor Type | Standard with ethanol gum carb eliminator switch |
| Tank Compatibility | Standard 20/30 lb propane tanks and RV quick connect |
| Installation | 90% preassembled with detailed manual |
| Shelf-Life of Fuel | Indefinite for propane and natural gas, limited for gasoline |
Many folks assume that converting a portable generator to run on natural gas is a complicated, messy process that requires a lot of technical know-how. I’ve found that’s simply not true with the Hutch Mountain Propane Conversion Kit for the Honda EU2000i.
The kit’s design and clear instructions make it feel more like a DIY project than a stressful upgrade.
From the moment I unpacked it, I noticed how compact and well-made the parts are. The preassembled components mean I didn’t have to hunt down extra hoses or tools.
Converting my Honda generator took me less than an hour, and I didn’t need to drill into anything or modify the carburetor.
Switching between gasoline, propane, and natural gas is seamless. I especially appreciate the ethanol gum carb eliminator switch—no more clogged carbs or stale gasoline.
It’s a game-changer for anyone who wants reliable power without the hassle of fuel degradation or maintenance headaches.
Using propane and natural gas means I don’t worry about fuel shelf life or unpleasant odors. The kit works perfectly with standard 20/30lb propane tanks and even my RV’s quick connect.
It’s versatile enough for home backup, outdoor adventures, or tailgating.
Overall, this kit feels durable, safe, and super easy to use. It’s a smart upgrade for anyone who values convenience and reliability in their portable power setup.
What Is a Natural Gas Portable Generator and How Does It Work?
A natural gas portable generator is a device that converts natural gas into electrical energy, allowing for the generation of power in locations where conventional electricity supply may not be available. These generators are typically designed for mobility and can be used for various applications, such as providing backup power during outages, powering tools at job sites, or supplying energy for outdoor events.
Natural gas portable generators operate by using an internal combustion engine that burns natural gas. The process begins with the natural gas being fed into the engine’s combustion chamber, where it mixes with air and is ignited, creating a controlled explosion. This explosion drives the engine’s pistons, which are connected to a generator that converts this mechanical energy into electrical energy.
Some key components of a natural gas portable generator include:
| Component | Function |
|---|---|
| Engine | Converts fuel into mechanical energy. |
| Generator | Converts mechanical energy into electrical energy. |
| Control panel | Allows the user to operate the generator and monitor its performance. |
| Fuel system | Stores and supplies natural gas to the engine. |
| Cooling system | Prevents the engine from overheating. |
| Mobility | Designed for portability and ease of transport. |
| Emissions | Produces cleaner emissions compared to gasoline or diesel generators. |
| Cost-effectiveness | Can be more cost-effective to operate, especially in areas with a stable natural gas supply. |
Natural gas generators are favored for their cleaner emissions compared to gasoline or diesel generators and can be more cost-effective to operate, especially in areas with a stable natural gas supply.
What Are the Main Benefits of Using a Natural Gas Portable Generator?
Using a natural gas portable generator offers several benefits:
| Benefit | Description |
|---|---|
| Environmentally Friendly | Natural gas produces fewer emissions compared to diesel or gasoline, making it a cleaner energy source. |
| Cost-Effective | Natural gas is often more affordable than other fuels, leading to lower operational costs over time. |
| Reliable Power Supply | These generators provide consistent and stable power, making them ideal for both emergency and recreational use. |
| Ease of Use | They typically start easily and require less maintenance compared to gasoline generators. |
| Quiet Operation | Natural gas generators tend to operate more quietly, which is beneficial for residential areas. |
| Longer Run Time | They can run longer on a single supply of gas compared to other fuel types. |
| Safety | Natural gas is less flammable than gasoline, reducing the risk of fire hazards. |
| Availability | Natural gas is widely available in many regions, making it a convenient option for many users. |
What Should You Consider When Choosing the Best Natural Gas Portable Generator?
When choosing the best natural gas portable generator, consider the following factors:
- Power Output: Determine the wattage you need based on what appliances or devices you plan to run.
- Fuel Efficiency: Look for generators that provide longer run times on less fuel.
- Portability: Check the weight and design for ease of transport.
- Noise Level: Consider models with lower decibel ratings for quieter operation.
- Safety Features: Ensure it has features like low oil shut-off and overload protection.
- Brand Reputation: Research brands known for reliability and customer service.
- Price: Compare prices to ensure you get the best value for your budget.
- Warranty: Check the warranty period and what it covers for peace of mind.
| Feature | Consideration |
|---|---|
| Power Output | Choose based on wattage needs |
| Fuel Efficiency | Look for longer run times |
| Portability | Check for weight and design |
| Noise Level | Lower decibel ratings preferred |
| Safety Features | Low oil shut-off, overload protection |
| Brand Reputation | Research reliability and support |
| Price | Compare for best value |
| Warranty | Check warranty period and coverage |
How Do You Determine the Right Size for Your Natural Gas Portable Generator?
To determine the right size for your natural gas portable generator, consider the following factors:
| Factor | Description |
|---|---|
| Power Requirements: | Calculate the total wattage of devices you plan to power. List the appliances and their wattage, adding up their starting and running watts. |
| Starting vs. Running Watts: | Some appliances require more power to start than to run. Make sure to account for starting wattage when calculating total needs. |
| Load Management: | Consider how many devices you will run simultaneously. It’s advisable to not exceed 80% of the generator’s rated capacity. |
| Generator Ratings: | Look for generators rated for continuous and peak power output. Ensure your chosen generator meets or exceeds your calculated wattage needs. |
| Example Appliances: | Refrigerator: 600W (starting), 200W (running) Microwave: 1200W (starting), 1000W (running) TV: 300W (running) Lights: 100W (running) |
It’s also helpful to consult the manufacturer’s specifications and guidelines for additional recommendations.
Which Top Models of Natural Gas Portable Generators Are Recommended?
The following are recommended top models of natural gas portable generators:
| Model | Power Output (Watts) | Runtime (Hours) | Weight (lbs) | Fuel Type | Start Type |
|---|---|---|---|---|---|
| Generac 7117 | 9,000 | 10 | 200 | Natural Gas | Electric Start |
| Champion 100302 | 3,800 | 9 | 90 | Natural Gas | Recoil Start |
| Westinghouse WGen9500DF | 9,500 | 12 | 220 | Natural Gas | Electric Start |
| DuroMax XP12000EH | 12,000 | 8 | 250 | Natural Gas | Electric Start |
What Safety Precautions Should You Take When Using a Natural Gas Portable Generator?
When using a natural gas portable generator, it is important to follow these safety precautions:
| Safety Precaution | Description |
|---|---|
| Proper Ventilation | Ensure proper ventilation to avoid carbon monoxide buildup. |
| Distance from Structures | Keep the generator outdoors, at least 20 feet away from doors, windows, and vents. |
| Carbon Monoxide Detector | Use a carbon monoxide detector in the vicinity of the generator. |
| Wet Conditions | Do not operate the generator in wet conditions or while standing in water. |
| Regular Inspection | Regularly inspect the generator for leaks or wear and tear. |
| Flammable Materials | Keep flammable materials away from the generator. |
| Manufacturer’s Instructions | Follow the manufacturer’s instructions for installation and operation. |
| Fuel Storage | Store fuel safely, in approved containers, away from the generator. |
| Overloading | Never overload the generator beyond its capacity. |
| Emergency Procedures | Have an emergency plan in place in case of generator failure or gas leak. |