Imagine the lights suddenly go out during a big storm. You need power fast, but which generator should you trust? Choosing a portable generator is tricky. You worry about fuel storage, noise levels, and whether it can truly power your essential home items. Many people find the technical details confusing, leading to guesswork when they need reliable backup most.
Natural gas generators offer a fantastic solution because they connect directly to your home’s supply, meaning no more trips to buy gasoline! However, knowing which model fits your home’s needs and budget still requires careful thought. This post cuts through the noise. We will break down everything you need to know about selecting the perfect natural gas portable generator.
By the end of this guide, you will understand the key features, sizes, and benefits of these powerful machines. Get ready to confidently choose the generator that keeps your home running smoothly when the grid fails.
Top Natural Gas Portable Generator Recommendations
- Perfect as a backup power source for larger homes or a dependable source of portable power
- 14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts (propane); 12,000 peak watts, 9,500 running watts (natural gas)
- Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve; Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank
- Engineered with low THD, so it's safe for sensitive electronics. Power phones, computers, TVs and more. Stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
- All Westinghouse portable generators are gunctionally tested in the factory and may contain minimum residual oil and/or fuel odor; EPA compliant; Backed by 3-Year limited service, labor, and parts coverage and Nationwide Customer Service Network
- 13500 Peak Watts, 10500 Running Watts (Gasoline); 12500 Peak Watts, 9500 Running Watts (Propane); 10000 Peak Watts, 8500 Running Watts (Natural Gas); Remote Start with Included Key Fob, Electric and Recoil Start; Up to 19 Hours of Run Time on a 9.5 Gallon Fuel Tank with Fuel Gauge
- Features Two GFCI 120V 5–20R 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 14–50R 50A; All Outlets Have Rubber Covers for Added Safety
- Powered by a Heavy Duty 500cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Digital Hour Meter
- Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, and Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
- Power Your Entire Home - With 13,000 watts of power, the DS13000MXT Tri Fuel generator will keep your whole home running during a storm or power outage, while protecting your family from harmful fumes with CO Alert.
- Tri Fuel Technology - DuroStar Tri Fuel Technology allows your generator to run on either gasoline, propane, or natural gas, offering the freedom and flexibility of fuel choice.
- Fully Loaded Power Panel - The DS13000MXT comes with a push button start, a fuel selection knob, and a wide variety of outlets (including a transfer switch-ready 50 amp outlet).
- CO Alert - Our innovative CO Alert eliminates the threat of carbon monoxide poisoning by automatically shutting down the generator when harmful fumes are detected.
- 12500 Peak Watts, 9500 Running Watts (Gasoline); 11200 Peak Watts, 8500 Running Watts (Propane); 9500 Peak Watts, 7500 Running Watts (Natural Gas); Remote Start with Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6. 6 Gallon Fuel Tank with Fuel Gauge
- Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 14–50R; All Outlets Have Rubber Covers for Added Safety
- Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Digital Hour Meter
- Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, and Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
- INVERTER BENEFITS, HOME BACKUP POWER: The Westinghouse iGen8200TFc is a tri fuel generator with all the benefits of an inverter, but also with home backup power and a 50A outlet; Gasoline: 6600 running/8200 peak watts, Propane: 5940 running/7380 peak watts, Natural Gas: 5280 running/6560 peak watts
- SAVE FUEL, SAVE MONEY, LESS NOISE: Inverter technology adjusts engine speed to meet power demand, significantly cutting fuel use compared to traditional generators. That's less refills and fuel runs–saving time, money, and hassle. It's also much quieter than open frames, around 60 dBA at 25% load
- TRANSFER SWITCH OR INTERLOCK KIT READY: One 120/240V 14–50R 50A outlet for home backup can run your air conditioner, refrigerator, sump pump, and more–all at once; One RV ready 120V TT-30R 30A outlet; One GFCI 120V 5–20R 20A standard duplex outlet
- LOW THD AND COPPER WINDINGS: With less than 3% THD, it's safe to power electronics like phones, computers and TVs to stay connected during outages, or on jobsites and campsites. Copper windings help the unit make cleaner power, run cooler and last longer
- DURABLE ENGINE WITH SAFETY BUILT-IN: Powered by a heavy duty 298 cc Westinghouse 4-stroke OHV engine with a cast iron sleeve; up to 17 hours of run time on a 3.9 gallon fuel tank at 25% load with automatic low oil shutdown and carbon monoxide (CO) sensor
- Switch between gasoline (14500 surge watts, 11500 running watts), propane (12500 surge watts, 10300 running watts), and natural gas (10500 surge watts, 8750 running watts) with a simple turn of the selection dial
- Operates at 120V and 240V, making it perfect for transfer switches and emergency backup
- Electric start powers the 500c 4-stroke OHV engine with the turn of a key
- 8.2-gallon tank provides up to 12 hours of half-load runtime
- Includes four 120V 5-20R outlet, a 120V/240V transfer-switch-ready NEMA L14-30R outlet, a 120V/240V transfer-switch-ready NEMA 14-50R outlet, a 12V DC automotive outlet, a bottle of oil, a 6-foot LPG connection hose, an NG quick-connect adapter, and a three-year limited warranty
- Your 4000-watt portable generator operates on natural gas, propane, or gasoline, plus natural gas and propane hoses are included so the unit is ready to run on any fuel right out of the box
- Power up the 224cc Champion engine with the handy rocker switch, battery included
- Track voltage, frequency, session run time, and total run time, plus the UL-recognized sensor uses an LED to indicate CO shutoff or fault
- Gasoline: 5000 starting watts and 4000 running watts, propane: 4500 starting watts and 3600 running watts, natural gas: 4050 starting watts and 3240 running watts and engine oil is included
- Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts
- With 13,000 watts of power, the XP13000HXT Tri Fuel generator will keep your whole home running during a storm or power outage, while protecting your family from harmful fumes with CO Alert
- Run your generator on gasoline, propane, or natural gas. With Tri Fuel, we offer the ultimate freedom and flexibility of fuel choice
- Powerful 500cc OHV Engine: At the heart of this generator resides a robust DuroMax engine designed to provide you with the most power.
- The XP13000HXT comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets including a transfer switch-ready 50 amp outlet
- Push Button Start and Remote Start: Turn on your generator with a simple push of a button, or use the remote to conveniently start your generator from a distance.
The Essential Buying Guide for Your Natural Gas Portable Generator
Choosing the right natural gas portable generator brings peace of mind. These generators use a steady fuel source, often connecting directly to your home’s gas line. This guide helps you pick the perfect one for your needs.
1. Key Features to Look For
When shopping, several features make a big difference in how well your generator works.
Power Output (Wattage)
- Starting Watts (Surge Power): This is the big burst of power needed to start appliances like refrigerators or air conditioners. Make sure this number is high enough for your biggest starting needs.
- Running Watts (Continuous Power): This is the steady power the generator provides while running. Calculate the total running watts of everything you plan to use at once.
Fuel Connection Type
- Direct Connection: Most quality units allow a direct hookup to your home’s natural gas line. This means you never run out of fuel during long outages.
- Hose Length: Check the length of the included fuel hose. A longer hose offers more flexibility in generator placement.
Portability and Noise Level
- Weight and Wheels: Since these are portable, check the weight. Good models include heavy-duty wheels and handles for easy moving.
- Decibel (dB) Rating: Generators create noise. Look for models rated under 65 dB if you plan to run them near your home or neighbors. Lower numbers mean quieter operation.
2. Important Materials and Construction
The materials used determine how long your generator lasts and how well it handles weather.
Engine Quality
Look for engines built by reputable manufacturers. A durable engine runs reliably for years. Cast iron cylinder sleeves increase engine life significantly.
Frame and Enclosure
- Steel Frame: A strong, powder-coated steel frame protects the inner components from bumps and weather. Rust resistance is vital for outdoor use.
- Weather Resistance: Check the generator’s Ingress Protection (IP) rating. This tells you how well the unit resists dust and water splashes.
3. Factors That Improve or Reduce Quality
Quality isn’t just about the parts; it’s also about how the machine operates under stress.
Voltage Regulation (THD)
Total Harmonic Distortion (THD) measures the quality of the electricity produced. Sensitive electronics (like computers or modern TVs) require clean power. Aim for a generator with a low THD, ideally under 12%. High THD can damage modern appliances.
Safety Features
Good quality units include automatic low-oil shutdown and overload protection. These features stop the generator before damage occurs.
Maintenance Access
A well-designed generator allows easy access to spark plugs and oil dipsticks. If maintenance proves difficult, you might skip necessary upkeep, which reduces the generator’s quality over time.
4. User Experience and Use Cases
How you plan to use the generator heavily influences your purchase decision.
Backup Power for the Home
If you need to power essential circuits (like a furnace, well pump, or refrigerator) during long outages, prioritize high running watts and a reliable natural gas connection.
Recreational Use
For camping or tailgating, portability and low noise are more important than massive power. Smaller, quieter inverter-style natural gas generators work well here.
Ease of Starting
Look for electric start features. Pull-starting a large generator can be tough, especially in cold weather. Electric start ensures quick, easy operation every time.
10 Frequently Asked Questions (FAQ) About Natural Gas Portable Generators
Q: What is the biggest advantage of natural gas over propane?
A: The biggest advantage is the unlimited supply. You connect directly to your home’s gas line, so you never have to stop and refuel tanks during a long power outage.
Q: Can I use a standard gasoline generator with natural gas?
A: No, not without modification. Most generators are designed for one fuel type. You must buy a model specifically rated for natural gas or purchase a dual-fuel unit that handles both.
Q: How do I figure out how many watts I need?
A: Add up the running watts for all the items you want to power simultaneously. Then, add the starting watts needed for the largest motor (like a fridge or AC unit). Always buy a generator slightly larger than this total.
Q: Are natural gas generators less powerful than gasoline ones?
A: Generally, yes. Natural gas burns less efficiently than gasoline. A generator running on natural gas will typically produce about 10% less power than the same engine running on gasoline.
Q: Is installation complicated?
A: Connecting the main fuel line usually requires a licensed plumber or gas technician to ensure safety and compliance with local codes. The physical placement of the generator is simple.
Q: What is the typical lifespan of a natural gas generator engine?
A: When properly maintained, a good quality natural gas engine can last 1,000 to 3,000 running hours or more, often outlasting gasoline counterparts due to cleaner fuel burning.
Q: Do I need a transfer switch?
A: Yes, for safely connecting your generator to your home’s electrical panel, you need a manual transfer switch installed by an electrician. This prevents dangerous back-feeding onto utility lines.
Q: How far must the generator be from my house?
A: This is critical for safety. Due to carbon monoxide danger, most manufacturers require the generator to be placed at least 15 to 20 feet away from doors, windows, and vents.
Q: How do I store a natural gas generator during the off-season?
A: Since natural gas is piped in, storage is easy. You do not need to worry about draining stale fuel, which is a major benefit over gasoline models.
Q: What does “Open Frame” mean for a portable unit?
A: Open frame means the engine and alternator are visible, usually mounted on a basic metal frame. This design is common for portable units because it keeps them lighter and easier to service than fully enclosed standby units.