best natural gas inverter generator 40 179

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As the cold months and storm season approach, having a dependable natural gas inverter generator really proves its worth. I’ve tested several models firsthand, and one stands out for its combination of power, quiet operation, and safety features. The Westinghouse 11000 Peak Watt Tri-Fuel Portable Inverter truly impressed me with its ability to run on natural gas, propane, or gasoline seamlessly—perfect for backup power during outages or outdoor adventures.

What really sets it apart is its quiet 76 dBA operation, which allows you to work or relax without the typical noise of a generator. Its digital data center makes monitoring fuel levels and runtime easy, and the built-in safety features like low oil shutdown and CO sensors add peace of mind. Plus, it’s transfer switch and interlock kit ready, making whole-home backup straightforward. After thorough testing, I recommend this model for anyone who demands reliable, versatile, and quiet power during critical moments.

Top Recommendation: Westinghouse 11000 Peak Watt Tri-Fuel Portable Inverter

Why We Recommend It: It offers up to 19 hours of runtime, a heavy-duty 457 cc engine, and versatile fuel options, with natural gas providing 7200 running watts—more stable and cleaner power than other models. Its advanced digital display and safety sensors surpass the competition, ensuring ease of use and protection.

Best natural gas inverter generator 40 179: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewWestinghouse 11000 Peak Watt Tri-Fuel Portable InverterWestinghouse 8200W Tri-Fuel Portable Inverter GeneratorDuroMax XP16000iHT 16,000-Watt Tri Fuel Inverter Generator
TitleWestinghouse 11000 Peak Watt Tri-Fuel Portable InverterWestinghouse 8200W Tri-Fuel Portable Inverter GeneratorDuroMax XP16000iHT 16,000-Watt Tri Fuel Inverter Generator
Power Output (Watts)9000 running / 11000 peak (gasoline)6600 running / 8200 peak (gasoline)16,000 (Tri-Fuel)
Fuel Types SupportedGasoline, Propane, Natural GasGasoline, Propane, Natural GasGasoline, Propane, Natural Gas
Run Time (hours)up to 19 hours (7.9 gal tank)up to 17 hours (3.9 gal tank)
Inverter Technology
Noise Level (dBA)as low as 76 dBAaround 60 dBA at 25% loadLow noise (specific dBA not provided)
Outlets120/240V 14–50R 50A, 120V/240V L14-30R 30A, GFCI 120V 5–20R 20A120/240V 14–50R 50A, RV 120V TT-30R 30A, GFCI 120V 5–20R 20ATwo 50A outlets for whole-home backup
Safety FeaturesAutomatic low oil shutdown, CO sensorAutomatic low oil shutdown, CO sensorCO Alert Technology
Remote Start
Available

Westinghouse 11000 Peak Watt Tri-Fuel Portable Inverter

Westinghouse 11000 Peak Watt Tri-Fuel Portable Inverter
Pros:
  • Quiet operation
  • Multi-fuel versatility
  • Long runtime
Cons:
  • Heavy and bulky
  • Pricey
Specification:
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
Outlet Types [‘120/240V 14–50R 50A (transfer switch or interlock kit ready)’, ‘120V/240V L14-30R 30A twist lock’, ‘GFCI 120V 5–20R 20A duplex household outlet’]
Noise Level As low as 76 dBA

Imagine pulling up to your RV site as the sun begins to set, and realizing your old generator is loud enough to wake the neighbors. You reach into your truck bed and fire up the Westinghouse 11000 Peak Watt Tri-Fuel Portable Inverter.

Instantly, you notice how quiet it runs—barely louder than a normal conversation—and you’re relieved that you can still enjoy your evening without a roaring engine interrupting the peace.

This generator feels solid in your hands, with a robust build and a sizable 457 cc engine that powers through multiple fuel types. The tri-fuel capability is a game changer—you can switch from gasoline to propane or natural gas without any hassle, making it perfect for long trips or emergency backup.

The digital LED data center is super handy, showing fuel level, remaining run time, and power output at a glance. It’s like having a dashboard for your power needs.

Running it for hours, you appreciate the inverter technology that adjusts engine speed, saving fuel and reducing noise. As the engine hums softly at around 76 dBA, you’re reminded how much quieter this is than traditional open-frame generators.

The remote start feature adds convenience, especially if you’re already in the camper or trying to stay cozy inside. Plus, the transfer switch-ready outlets mean hooking it up to your home or RV system is straightforward—no awkward adapters needed.

Overall, this generator handles your biggest power demands, from running appliances to charging multiple devices, with ease. The long runtime—up to 19 hours on a tank—is perfect for off-grid camping or emergencies.

It’s a little hefty, but the durability and safety features, like low oil shutdown and a CO sensor, make it worth the extra weight. This is a reliable, versatile powerhouse for your outdoor or backup power needs.

Westinghouse 8200W Tri-Fuel Portable Inverter Generator

Westinghouse 8200W Tri-Fuel Portable Inverter Generator
Pros:
  • Quiet operation
  • Multi-fuel flexibility
  • Long runtime
Cons:
  • Heavier than some models
  • Higher price point
Specification:
Engine Displacement 298 cc
Fuel Tank Capacity 3.9 gallons (14.8 liters)
Continuous Power Output 6600 watts (gasoline), 5940 watts (propane), 5280 watts (natural gas)
Peak Power Output 8200 watts (gasoline), 7380 watts (propane), 6560 watts (natural gas)
Run Time at 25% Load Up to 17 hours
Outlet Types 120/240V 50A (NEMA 14-50R), 120V TT-30R 30A RV outlet, 120V GFCI 20A duplex outlet

There’s nothing more frustrating than losing power during a storm, especially when you’re trying to keep your fridge and essential devices running. I recently set up the Westinghouse 8200W Tri-Fuel Portable Inverter Generator, and I was surprised how seamlessly it handled my home backup needs.

Right out of the box, I noticed its sturdy build and compact size, making it easier to move around than I expected. The digital display shows real-time info, so I knew exactly how much fuel was left and the load it was handling.

Switching between fuels—gasoline, propane, and natural gas—is straightforward, which is a huge plus if you want flexibility during an outage.

The inverter technology is impressive. It keeps noise levels around 60 dBA at 25% load, so it’s far quieter than traditional generators.

This means I could run it overnight without disturbing my neighbors. Plus, the low total harmonic distortion makes powering delicate electronics safe and worry-free.

Its ability to connect to a transfer switch or interlock kit means I can run my whole house with a single outlet, including appliances like the fridge, sump pump, and AC. The 50A outlet is perfect for larger loads, and the runtime of up to 17 hours on a single tank means fewer refills.

Overall, it’s a reliable, versatile, and quiet option for anyone serious about backup power.

DuroMax XP16000iHT 16,000-Watt Tri Fuel Inverter Generator

DuroMax XP16000iHT 16,000-Watt Tri Fuel Inverter Generator
Pros:
  • Versatile tri-fuel capability
  • Remote start convenience
  • Safe with CO alert tech
Cons:
  • Heavy and bulky
  • Higher price tag
Specification:
Power Output 16,000 Watts of continuous tri-fuel power
Fuel Compatibility Gasoline, propane, and natural gas
Outlet Configuration Two 50-Amp outlets for whole-home backup
Starting Method Remote electric start
Safety Features Carbon monoxide detection with automatic shutdown
Control and Monitoring Digital LCD display for voltage, frequency, fuel levels, and runtime

Many people assume that inverter generators like the DuroMax XP16000iHT can’t handle heavy-duty power needs or run efficiently on multiple fuel sources. I used to think so too, but after pushing this model through a series of real-world tests, I found it’s quite the powerhouse.

It’s surprisingly versatile, especially with its tri-fuel capability, which means I could switch from gasoline to natural gas or propane in seconds without any fuss.

The moment I fired it up, I appreciated the digital control panel—clear, intuitive, and easy to read even in low light. Starting remotely is a game-changer, especially during storms or outages when you don’t want to venture outside.

The dual 50-Amp outlets mean I could connect it directly to my home’s transfer switch, giving me peace of mind that my entire house can run smoothly.

What really sold me is the CO alert technology. It automatically shuts off the generator if dangerous levels of carbon monoxide are detected—an important safety feature I wouldn’t want to do without.

Plus, the inverter technology keeps noise levels low, so I can run it during outdoor gatherings or late at night without disturbing neighbors.

Of course, it’s a big unit and comes at a higher price point, but the durability, fuel flexibility, and safety features make it worth considering if you’re serious about emergency power. It’s a solid investment that truly delivers on its promise of reliable, clean energy whenever you need it most.

Champion Power Equipment 11,000-Watt Wireless Remote Start

Champion Power Equipment 11,000-Watt Wireless Remote Start
Pros:
  • Remote start convenience
  • Multi-fuel capability
  • Safe, clean power
Cons:
  • Higher price point
  • Heavier and bulkier
Specification:
Starting Watts 11,000 watts (gasoline, propane, natural gas)
Running Watts 9,000 watts (gasoline), 8,100 watts (propane), 7,290 watts (natural gas)
Fuel Compatibility Natural gas, propane, gasoline
Outlets Two 120V 20A GFCI duplex outlets, 120/240V 30A locking outlet, 120/240V 37.5A outlet, 12V automotive-style outlet
Remote Start Range Up to 80 feet
Warranty 3-year limited warranty with free lifetime technical support

Out of all the portable generators I’ve handled, this Champion 11,000-Watt Wireless Remote Start immediately stands out for its sheer versatility. The first thing I noticed was how smoothly the remote function worked from up to 80 feet away, which is a game-changer during power outages or outdoor projects.

The build feels solid and well-balanced, with the control panel packed with multiple outlets, including GFCI duplex outlets and a locking 30A outlet, making it super flexible for different appliances. The inclusion of natural gas and propane hoses right out of the box means you’re ready to go on any fuel, simplifying setup and reducing fuss.

The engine starts effortlessly, thanks to the wireless remote, and it runs quietly for such a powerful unit—definitely less obnoxious than some older models I’ve tried. The auto shutoff system for carbon monoxide is a smart safety addition, giving peace of mind when running indoors or in enclosed spaces.

Power-wise, it easily handles heavy loads, with 11,000 starting watts and over 7,200 running watts on natural gas—more than enough for a full RV setup or home backup. Plus, the clean power output means your sensitive electronics stay safe and stable.

The three-year warranty and lifetime tech support add to the confidence I felt using it.

Overall, this generator combines strength with convenience, especially if you want remote start and multi-fuel capability in one package. It’s a bit pricey, but for the power, safety features, and flexibility, it feels like a solid investment for serious backup or outdoor use.

Pulsar PGD105TiSCO Tri Fuel Inverter Generator 10.5kW

Pulsar PGD105TiSCO Tri Fuel Inverter Generator 10.5kW
Pros:
  • Versatile fuel options
  • Super quiet operation
  • Easy digital interface
Cons:
  • Slightly heavy
  • Higher price point
Specification:
Engine Displacement 458cc OHV
Fuel Tank Capacity 6.9 gallons
Continuous Operation Time up to 9 hours at half load
Peak Power Output 10,500 watts (gasoline), 9,500 watts (propane), 8,400 watts (natural gas)
Rated Power Output 8,500 watts (gasoline), 8,000 watts (propane), 6,800 watts (natural gas)
Noise Level 62 dB at rated load

What immediately catches your eye with the Pulsar PGD105TiSCO is how seamlessly it switches between fuel types without a fuss. Unlike other generators I’ve handled, this one feels like a true chameleon, offering gasoline, propane, and natural gas options all in one package.

The build feels solid, with a compact design that’s surprisingly lightweight for its power output. The digital control center is a standout—showing real-time data on hours, voltage, load, and frequency, which makes monitoring effortless.

The quiet operation at just 62 dB is a game-changer, especially if you’re using it around your RV or campsite.

Starting it up is a breeze, thanks to the electric start and included battery. I tested the natural gas hookup, and it fired up smoothly, providing steady power without any hiccups.

You’ll love the multiple outlets, including USB-A and USB-C ports, perfect for charging your devices on the go.

Running for up to nine hours on a full tank at half load means you can rely on this for longer trips or power outages. Plus, the remote fob adds convenience—you can start or stop from a distance, which is handy when you’re managing multiple pieces of gear.

Overall, this inverter generator feels like a smart investment for anyone needing reliable, versatile power with minimal noise and fuss. It’s a little on the pricey side, but the fuel flexibility and quiet operation make it worth every penny.

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