Imagine the lights flickering and the power cutting out during a severe storm. Your freezer stops humming, your phone dies, and the house turns pitch black. Now, picture having a reliable power source that runs on your home’s existing gas line, meaning you never have to worry about running out of gasoline again. This peace of mind is exactly what a natural gas portable generator offers.
However, finding the perfect model is not always simple. Many homeowners feel overwhelmed by technical specifications, confusing fuel conversion kits, and the wide range of power output options available on the market today. It is easy to feel lost when you are trying to balance your energy needs with your budget. You want a machine that is dependable, but you also want to avoid wasting money on features you will never actually use.
In this post, we cut through the technical jargon to make your choice much easier. We will explore the key benefits of natural gas, explain how to calculate the right power capacity for your home, and highlight the most reliable models currently available. By the end of this guide, you will have the confidence to pick a generator that keeps your family safe and comfortable when the grid goes down. Let’s dive into the details so you can finally stop worrying about power outages.
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
- 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
- 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.
- 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
- 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
- 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
- 9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); 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 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 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter. VFT display gives you real time updates with the voltage output, frequency, and lifetime hours
- Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an 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
- VERSATILE TRI-FUEL FLEXIBILITY - Run on gasoline, liquid propane, or natural gas with simple fuel selector dial, delivering 9500 running watts and 12500 starting watts, providing maximum power and fuel flexibility for any emergency or application
- EFFORTLESS ELECTRIC START SYSTEM - Push-button electric start with included rechargeable battery eliminates manual pull-cord cranking, delivering instant reliable power activation and hassle-free operation during stressful emergency situations and cold weather conditions
- EXTENDED MULTI-FUEL RUNTIME - Powerful 500cc Generac OHV engine with 7.5-gallon steel fuel tank provides up to 9.5 hours of runtime at 50% load on gasoline, with extended runtime options using propane or natural gas fuel sources
- LIFE-SAVING COSENSE PROTECTION - Advanced carbon monoxide detection technology continuously monitors hazardous CO levels and automatically shuts down the generator while alerting you, preventing dangerous carbon monoxide poisoning for ultimate family safety
- HEAVY-DUTY JOB SITE CONSTRUCTION - Rugged steel tube cradle frame, weather-resistant covered outlets for harsh environment protection, and heavy-duty never-flat wheels with fold-down handle deliver exceptional durability and easy transport across any terrain
The Ultimate Buying Guide: Choosing a Natural Gas Portable Generator
A natural gas portable generator is a smart choice for home backup power. Unlike gasoline, natural gas does not go bad over time. You can connect it directly to your home’s gas line for a steady supply of fuel. This guide helps you pick the right model for your needs.
Key Features to Look For
- Dual-Fuel Capability: Many generators run on both natural gas and propane. This gives you extra flexibility during an emergency.
- Wattage Output: Check the starting and running watts. You need enough power to run your fridge, lights, and fans at the same time.
- Automatic Start: Some models turn on automatically when the power goes out. This is very helpful if you are away from home.
- Low-Oil Shutdown: This safety feature turns the engine off if the oil level gets too low. It prevents expensive damage to the machine.
Important Materials and Build
Quality generators use heavy-duty steel frames to protect the engine. Look for models with powder-coated finishes to prevent rust. High-quality copper windings in the alternator are better than aluminum. Copper conducts electricity more efficiently and lasts longer under heavy use.
Factors That Impact Quality
The engine quality is the most important factor. Top brands use engines that run smoothly and quietly. A well-designed muffler reduces loud noise. Also, look for a digital display screen. A good screen shows you how much power you are using and when you need to perform maintenance.
User Experience and Use Cases
Most users buy these generators for storm preparedness. Because they connect to a permanent gas line, you never have to worry about storing heavy gas cans. They are also great for long-term power outages. You simply hook up the hose, turn the valve, and start the engine. Always check your local codes before installing a permanent gas connection.
Frequently Asked Questions (FAQ)
Q: Can I use a natural gas generator for camping?
A: Most portable natural gas generators need a permanent home gas line. They are not ideal for camping unless you have a portable natural gas source.
Q: Is natural gas cheaper than gasoline?
A: Yes, natural gas is often much cheaper than gasoline. It is also more convenient because it is piped directly into your home.
Q: Do I need a professional to install it?
A: Yes. You should hire a licensed plumber to install the gas line. This ensures your home stays safe and meets local building codes.
Q: How often should I run the generator?
A: You should run your generator for about 20 minutes once a month. This keeps the engine parts lubricated and ready for use.
Q: Are these generators loud?
A: Most portable generators make some noise. However, many modern models have sound-dampening technology to keep the volume at a reasonable level.
Q: Can I run my whole house on one generator?
A: That depends on the wattage. A medium-sized generator can power your essentials like lights, a fridge, and a TV. You may need a larger model for central air conditioning.
Q: Does the gas hose come with the generator?
A: Most manufacturers include a specialized hose for natural gas. Always check the product description to be sure.
Q: What happens if the gas pressure is low?
A: If your home’s gas pressure is too low, the generator might not start. Make sure your gas meter can handle the extra load of a generator.
Q: How long do these generators last?
A: A well-maintained generator can last for many years. Regular oil changes and proper storage are the keys to a long life.
Q: Is it safe to store a generator outside?
A: You should keep it in a dry, covered area. Never run a generator inside a garage or house because it produces dangerous carbon monoxide gas.