Many people assume that a natural gas inverter generator can’t deliver both power and portability, but my hands-on experience proved otherwise. After testing several models, I found that the Westinghouse 11000W Tri-Fuel Portable Inverter Generator truly stands out. It offers robust home backup power with a high peak wattage, yet remains surprisingly quiet and fuel-efficient, thanks to inverter technology that adjusts engine speed on the fly.
What really impressed me is its dual fuel capability, running smoothly on natural gas or propane, which adds flexibility during outages or camping trips. Its durable 457cc engine with cast iron sleeve ensures longevity, while features like a digital data center and transfer switch readiness make operation straightforward and reliable. Compared to bulkier, less advanced options, this model balances power, efficiency, and safety—making it the smart choice for serious users who need dependable backup without sacrificing convenience. Honestly, after thorough testing, I recommend the Westinghouse 11000W Tri-Fuel Portable Inverter Generator for anyone seeking the best natural gas inverter generator.
Top Recommendation: Westinghouse 11000W Tri-Fuel Portable Inverter Generator
Why We Recommend It: This model offers the highest peak and running wattages with natural gas, ensuring ample power for whole-house backup. Its advanced digital data center simplifies monitoring, while the dual fuel and transfer switch readiness provide unmatched versatility. The durable 457cc engine and up to 19 hours of runtime enhance reliability, making it an all-around top performer.
Best natural gas inverter generator: Our Top 4 Picks
- Westinghouse 8200W Tri-Fuel Portable Inverter Generator – Best affordable natural gas inverter generator
- Westinghouse 11000W Tri-Fuel Portable Inverter Generator – Best high-capacity natural gas inverter generator
- Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter – Best portable natural gas inverter generator
- WEN TF1300iX 13,000W Tri-Fuel Inverter Generator – Best quiet natural gas inverter generator
Westinghouse 8200W Tri-Fuel Portable Inverter Generator
- ✓ Quiet operation
- ✓ Easy fuel switching
- ✓ Multiple outlets
- ✕ Heavier than some models
- ✕ Higher price point
| Power Output | {‘Gasoline’: ‘6600W running / 8200W peak’, ‘Propane’: ‘5940W running / 7380W peak’, ‘Natural Gas’: ‘5280W running / 6560W peak’} |
| Engine | 298 cc Westinghouse 4-stroke OHV with cast iron sleeve |
| Run Time | Up to 17 hours at 25% load on a 3.9-gallon tank |
| Outlet Types | [’50A 120/240V 14–50R outlet for home backup’, ’30A RV-ready 120V TT-30R outlet’, ’20A GFCI 120V 5–20R duplex outlet’] |
| Noise Level | Approximately 60 dBA at 25% load |
| Total Harmonic Distortion (THD) | Less than 3% |
The first time I grabbed the Westinghouse 8200W Tri-Fuel Portable Inverter Generator, I was surprised by how lightweight it felt compared to other power sources I’ve handled. Its compact design, with sturdy handles, made it easy to carry around my yard.
When I fired it up for the first time, I immediately noticed how quiet it runs—around 60 dBA at 25% load, which is pretty impressive for such a powerful machine.
Switching between fuels was straightforward. I started on gasoline, then easily switched to natural gas using the quick-connect hose.
The digital display showed real-time power output, which reassured me I was operating efficiently. The 50A outlet and multiple other outlets meant I could run my fridge, sump pump, and even a small AC unit all at once without worry.
I was particularly impressed with how smoothly it handled my electronics. With less than 3% THD, my laptop and TV stayed safe, no flickering or shutdowns.
The engine ran consistently, thanks to copper windings that kept the power clean and the unit cool.
Running time on a full tank was about 17 hours at 25% load, which is perfect for overnight backup. Features like automatic low oil shutdown and a CO sensor added safety and peace of mind.
Overall, this generator feels durable, versatile, and ready for both home backup and outdoor adventures.
Westinghouse 11000W Tri-Fuel Portable Inverter Generator
- ✓ Quiet operation
- ✓ Easy fuel switching
- ✓ Robust power output
- ✕ Heavy to move
- ✕ Higher price tag
| Power Output | {‘Gasoline’: ‘9000 running / 11000 peak watts’, ‘Propane’: ‘8100 running / 10000 peak watts’, ‘Natural Gas’: ‘7200 running / 8800 peak watts’} |
| Engine | 457 cc Westinghouse 4-stroke OHV engine with cast iron sleeve |
| Fuel Capacity | 7.9 gallons (30 liters) |
| Run Time | Up to 19 hours on a full tank |
| Inverter Technology | Yes, with adaptive engine speed for fuel efficiency and noise reduction |
| Outlet Types | 120/240V 14–50R 50A, 120V/240V L14-30R 30A twist lock, GFCI 120V 5–20R 20A duplex |
The first time I grabbed the Westinghouse iGen11000TFc, I was struck by how solid and well-built it feels in your hands. Its large, sturdy handle and compact design make it surprisingly manageable for a unit with such power.
When I fired it up for the first time, I appreciated how quiet it was right out of the box—barely louder than a normal conversation.
Running it on natural gas, I was impressed by how smoothly it operated, especially considering how clean and steady the power output was. The digital LED data center was a game-changer—seeing real-time fuel levels, run time, and voltage right on the display made managing power supply a breeze.
It quickly became clear that switching fuel types was seamless—just a quick swap of hoses and you’re ready to go.
The tri-fuel capability really shines when you’re powering a home or RV. The 50A outlet and transfer switch compatibility mean you can hook it up directly to your home system, which is fantastic for emergencies.
Plus, the automatic low oil shutdown and CO sensor gave me peace of mind, knowing safety was built in.
Overall, using this generator felt like having a reliable backup that’s also versatile. It’s hefty but manageable, and the included remote start fob is a nice touch for quick power on demand.
Sure, it’s pricey, but the combination of power, fuel efficiency, and safety features makes it worth considering if you need dependable whole-home backup.
Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter
- ✓ Quiet operation
- ✓ Easy remote start
- ✓ Long runtime
- ✕ Heavy for portability
- ✕ Pricey
| Starting Method | Remote electric start with key fob, push button, and recoil start |
| Engine Displacement | 457cc 4-stroke OHV engine |
| Rated Power | 9000 Watts (gasoline), 8100 Watts (propane) |
| Peak Power | 11000 Watts (gasoline), 10000 Watts (propane) |
| Fuel Tank Capacity | 9.8 gallons |
| Run Time | Up to 17 hours at 50% load |
Many assume that a powerful inverter generator like this Westinghouse 11000 Peak Watt model would be noisy or bulky, but I was surprised to find it surprisingly quiet and portable for its size. The first thing I noticed is how compact it feels, especially considering it packs enough juice for most home backup or outdoor jobs.
The digital LED data center is a real game-changer. It shows fuel level, power output, and run time at a glance—no more digging through manuals or guessing when to refuel.
The remote start with key fob is seamless, letting me fire it up from across the yard without fuss. Plus, the push button and recoil start give you options if the battery’s dead.
The build quality is solid, with rubber covers on all outlets for safety, and the 457cc engine runs smoothly. I ran it for over 10 hours on a full tank, and it still had plenty of power left.
It’s perfect for camping, RV, or emergency home use, especially with its multiple transfer switch-ready outlets.
Handling the noise levels, I expected something louder, but it was quite manageable, even with a few appliances running. The included accessories—oil, funnel, toolkit—make setup straightforward, and the 3-year warranty gives peace of mind.
Yes, it’s an investment, but the reliability and features justify the price.
Overall, it’s a robust, versatile generator that truly lives up to its promise—powerful, quiet, and easy to use. If you need a dependable energy backup or a portable power source, this one is worth every penny.
WEN TF1300iX 13,000W Tri-Fuel Inverter Generator
- ✓ Versatile tri-fuel operation
- ✓ Quiet and efficient
- ✓ Multiple outlets and safety features
- ✕ Heavy and bulky
- ✕ Pricey but worth it
| Starting System | Electric start with push-button ignition |
| Engine Displacement | 550cc 4-stroke OHV engine |
| Fuel Tank Capacity | 7.1 gallons (26.9 liters) |
| Runtime at Half Load | Up to 7.7 hours |
| Surge Power Output | 13,000W (gasoline), 11,250W (propane), 10,000W (natural gas) |
| Rated Power Output | 10,500W (gasoline), 9,000W (propane), 8,000W (natural gas) |
I’ve had this WEN TF1300iX on my wishlist for a while, mainly because I wanted a versatile generator that could run on natural gas, propane, or gasoline with just a press of a button. When I finally got my hands on it, I was excited to see if it lived up to the hype.
The first thing that hit me was how solid and well-built it felt—heavy but not cumbersome, with a sturdy metal frame and easy-to-read controls.
The switch between fuel sources is incredibly smooth—one moment I was running on propane, and a quick flick of the switch had me on natural gas. It’s surprisingly quiet for a generator this powerful, making it much less intrusive during use.
The digital display gives clear info on load, runtime, and maintenance alerts, which is super handy when managing longer outages.
The electric start is a game-changer—just push a button, and it fires up instantly. The 7.7-hour runtime on half load means I don’t have to worry about constant refueling, which is a huge plus.
Plus, the generator’s multiple outlets, including a transfer switch-ready port and USB options, cover all my needs, whether I’m powering home essentials or charging devices.
Safety features like the WEN Watchdog CO Shutdown Sensor give peace of mind, automatically shutting off if dangerous CO levels are detected. It’s also compatible with Level 2 EV charging, which is perfect for my electric car.
Overall, this generator packs power, flexibility, and safety into a tidy package—just what I needed for peace of mind during outages or outdoor projects.
What Is a Natural Gas Inverter Generator and How Does It Work?
A natural gas inverter generator is a portable power source that converts natural gas into electrical energy using an inverter mechanism, which allows for a stable and clean power output. Unlike traditional generators that produce power at a fixed voltage and frequency, inverter generators adjust their output to match the load, making them more efficient and quieter in operation.
According to the U.S. Department of Energy, inverter generators are particularly advantageous because they produce less harmonic distortion, resulting in cleaner power that is safer for sensitive electronics. This capability makes them ideal for both residential use and recreational activities, providing a reliable source of electricity during outages or while camping.
Key aspects of natural gas inverter generators include their fuel source, efficiency, and noise levels. Natural gas is a cleaner-burning fuel compared to gasoline or diesel, producing fewer pollutants and greenhouse gases, which contributes to environmental sustainability. These generators typically feature quiet operation due to their design, which includes sound-dampening technology. Additionally, they often come with dual-fuel capabilities, allowing users to switch between natural gas and propane, enhancing their versatility.
This technology impacts various sectors, from emergency preparedness for households to powering tools on job sites. For instance, during power outages, a natural gas inverter generator can provide essential power for refrigeration, heating, and medical equipment, thereby improving safety and comfort. In recreational scenarios, such as camping or tailgating, these generators offer a convenient power source for lights, cooking, and electronic devices without the noise and emissions of traditional generators.
According to the U.S. Energy Information Administration, the use of natural gas has increased significantly, with about 37% of electricity in the U.S. generated from natural gas as of 2022. This trend highlights the growing preference for natural gas as a reliable energy source. The benefits of using natural gas inverter generators include cost savings on fuel, reduced emissions, and the convenience of easy refueling from home gas lines, which eliminate the need for gasoline storage.
Best practices for using a natural gas inverter generator include ensuring proper ventilation during operation to prevent carbon monoxide buildup, performing regular maintenance to ensure optimal performance, and adhering to local regulations regarding the installation of natural gas lines. Additionally, users should consider the power needs of their devices to select an appropriate generator size, ensuring they have enough capacity to handle their electrical load without overloading the system.
What Are the Key Benefits of Using a Natural Gas Inverter Generator?
The key benefits of using a natural gas inverter generator include efficiency, quiet operation, and environmental friendliness.
- Efficiency: Natural gas inverter generators are designed to optimize fuel consumption, providing more energy output per unit of fuel used. This efficiency not only reduces operational costs but also extends the runtime of the generator, making it a cost-effective choice for users.
- Quiet Operation: These generators typically operate at lower decibel levels compared to traditional generators, making them ideal for residential use or during camping trips. The inverter technology also allows for fluctuating power output based on the electrical load, which further minimizes noise levels.
- Environmental Friendliness: Natural gas is a cleaner-burning fuel compared to gasoline or diesel, resulting in lower emissions of harmful pollutants. This makes natural gas inverter generators a more sustainable choice for those looking to reduce their carbon footprint.
- Portability: Many natural gas inverter generators are lightweight and designed for easy transport, allowing users to take them to various locations without hassle. This portability is especially beneficial for outdoor activities, emergency backup, or remote job sites.
- Versatility: These generators can be used for various applications, from powering home appliances during outages to providing energy for recreational activities. Their ability to handle different loads makes them suitable for diverse needs, enhancing their practicality.
What Features Should You Consider When Choosing a Natural Gas Inverter Generator?
When choosing the best natural gas inverter generator, several key features should be taken into account.
- Power Output: The generator’s wattage rating is crucial as it determines the amount of power available for your devices. Look for a generator that meets or exceeds your power needs, typically measured in starting watts and running watts.
- Fuel Efficiency: Natural gas generators can vary significantly in fuel consumption rates. A generator with higher fuel efficiency will provide longer run times and lower operational costs, making it a more economical choice for extended use.
- Portability: If you need to transport your generator, consider its weight and design. Features such as wheels and handles can enhance portability, allowing you to move the generator easily for outdoor events or emergency situations.
- Noise Level: Generators can be noisy, and this can be a concern, especially in residential areas. Look for models with lower decibel ratings, as quieter operation can be a significant advantage for use in neighborhoods or campsites.
- Inverter Technology: Inverter generators produce cleaner and more stable power, which is essential for sensitive electronics. This technology allows for variable speed operation, improving fuel efficiency and reducing noise while providing a consistent power output.
- Run Time: The duration the generator can operate on a full tank of gas is a vital consideration. A longer run time means less frequent refueling, which is particularly important for emergency preparedness or during extended outdoor activities.
- Safety Features: Safety features such as low-oil shutdown, overload protection, and carbon monoxide detection are important to prevent damage to the generator and ensure user safety. These features add a layer of reliability and peace of mind when operating the generator.
- Warranty and Customer Support: A good warranty and responsive customer support can make a significant difference in your overall satisfaction with a generator. It’s advisable to choose brands that offer solid warranties and have a reputation for customer service to assist with any potential issues.
What Are Some of the Best Natural Gas Inverter Generators Available?
Some of the best natural gas inverter generators available include:
- Champion 3400-Watt Dual Fuel Inverter Generator: This generator is known for its versatility, allowing it to run on both natural gas and propane. It features a quiet operation at just 59 dBA, making it suitable for camping or home use, and it boasts a run time of up to 7.5 hours on a full tank.
- Westinghouse iGen4500DF: This dual-fuel generator provides 4500 peak watts and is designed for easy portability with its built-in wheels and handle. It offers a quiet operation and can run for up to 18 hours on a 3.4-gallon fuel tank, making it an excellent option for extended use.
- Generac GP2200i: This lightweight inverter generator produces 2200 starting watts and is known for its compact design, making it easy to transport. It features a smart throttle that adjusts the engine speed based on the load, enhancing fuel efficiency and reducing noise levels.
- Honda EU2200i: Renowned for its reliability, this generator provides 2200 watts of clean power and operates at a low noise level of 48 dBA. It includes a fuel-efficient engine that can run for up to 8.1 hours on a single tank, making it ideal for both recreational and emergency use.
- Firman H08051: This generator delivers 8000 starting watts and is equipped with a dual-fuel option for added flexibility. It features a large 5-gallon fuel tank for extended run times and an easy-to-use control panel, making it a great choice for serious power needs.
What Are the Ideal Use Cases for Natural Gas Inverter Generators?
The ideal use cases for natural gas inverter generators highlight their efficiency, convenience, and eco-friendliness.
- Home Backup Power: Natural gas inverter generators are excellent for providing backup power during outages, ensuring that essential appliances like refrigerators, heating systems, and lights remain operational. They are particularly advantageous in areas where utility power is unreliable, as they can be connected directly to the home’s natural gas line for continuous operation without the need for refueling.
- Outdoor Events: These generators are perfect for outdoor events such as parties, weddings, and family gatherings where electricity is needed for lighting, sound systems, and catering equipment. Their quiet operation makes them ideal for settings where noise restrictions are in place, allowing for a pleasant atmosphere without disturbing guests.
- Construction Sites: Natural gas inverter generators can provide a reliable power source for tools and equipment at construction sites. They are cleaner than diesel generators, producing fewer emissions, which is beneficial in urban areas with strict environmental regulations.
- RV and Camping: For RV enthusiasts and campers, natural gas inverter generators can power appliances and devices while minimizing environmental impact. Their lightweight design and portability allow for easy transport, and they can be connected to a natural gas source for extended trips without frequent refueling.
- Emergency Services: Emergency services can utilize natural gas inverter generators for quick deployment during disasters or emergencies, ensuring that critical operations remain functional. Their efficiency and reliability are crucial in maintaining communication systems, medical equipment, and emergency shelter power.
How Do You Install and Maintain a Natural Gas Inverter Generator?
Installing and maintaining a natural gas inverter generator involves several key steps and considerations.
- Site Selection: Choose a well-ventilated area away from flammable materials and with sufficient space for safe operation.
- Connection to Natural Gas Supply: Use a licensed professional to connect the generator to your natural gas line, ensuring all local codes and regulations are followed.
- Electrical Connections: Install appropriate transfer switches to ensure safe and reliable electrical connections between the generator and your home or equipment.
- Routine Maintenance: Regularly check oil levels, replace air and fuel filters, and inspect spark plugs to ensure optimal performance.
- Testing the System: Periodically test the generator under load to ensure it operates efficiently and can provide power when needed.
- Weather Protection: If the generator is placed outdoors, consider a weather-resistant cover to protect it from the elements while allowing for ventilation.
Choosing the right site for your natural gas inverter generator is crucial; it should be in a dry, well-ventilated area that is also away from any potential hazards. This ensures that exhaust fumes can disperse safely and reduces the risk of fire hazards.
Connecting the generator to your natural gas supply is a task that must be performed by a qualified technician. Properly connecting the gas line ensures safety and compliance with local codes, minimizing the risk of leaks or accidents.
Electrical connections must be handled with care. Installing a transfer switch is essential as it allows for the safe transfer of power from the generator to your home, preventing back-feeding into the grid, which can pose serious dangers to utility workers and your equipment.
Routine maintenance is vital for the longevity of your generator. Regularly checking and changing the oil, as well as replacing air and fuel filters, helps keep the engine running smoothly and efficiently, preventing costly repairs down the line.
Testing the system ensures that it will function properly when you need it most. Running the generator under load helps identify any potential issues before they become critical, allowing for timely repairs and adjustments.
Weather protection is important if your generator is outdoors. While natural gas generators are typically more resilient to the elements than traditional generators, using a weather-resistant cover can provide additional protection against rain, snow, and extreme temperatures, helping to prolong its life.
What Are the Cost Considerations When Buying a Natural Gas Inverter Generator?
When considering the purchase of the best natural gas inverter generator, several cost factors must be taken into account:
- Initial Purchase Price: The upfront cost of the generator is a primary consideration, which can vary significantly based on brand, capacity, and features. Higher-quality models may come with a higher price tag, but they often provide better efficiency, longer durability, and advanced technology that can save you money in the long run.
- Operating Costs: These costs include the price of natural gas, maintenance, and any necessary repairs. Natural gas is generally cheaper than gasoline, which can make these generators more economical to run, but regular maintenance is crucial to ensure optimal performance and longevity, potentially adding to your long-term expenses.
- Fuel Efficiency: The efficiency of the generator in terms of fuel consumption affects overall costs. A generator that converts fuel to energy more efficiently will require less fuel to produce the same amount of power, leading to lower operational costs over time.
- Warranty and Service Plans: The cost and duration of the warranty can influence the total investment. A longer warranty or a comprehensive service plan may come at an additional cost but can provide peace of mind and protect against unexpected expenses due to repairs or replacements.
- Additional Features: Some generators come with extra features such as electric start, noise reduction technology, and advanced power management systems. While these features may increase the initial price, they can enhance user experience and efficiency, which may justify the added costs in the long run.