When a storm knocks out your power, a portable natural gas generator can be the difference between a rough night and a comfortable one. You do not have to worry about finding fresh fuel during an outage, and a tri-fuel or dual-fuel unit gives you the flexibility to switch between natural gas, propane, and gasoline as needed. In this guide, we focused on the best portable natural gas generator options for homeowners who want dependable backup power without the permanent installation of a whole-house standby unit.
We reviewed portable generators across different power levels and feature sets, from the heavy-duty Westinghouse 13500 Peak Watt Tri-Fuel Home Backup to compact inverter models designed for sensitive electronics. Whether you need to run your furnace, refrigerator, and lights, or you simply want a backup for a small workshop, there is a natural gas generator here for your situation. You can also browse our portable generator category for more outdoor power solutions, and if you are planning a complete property equipment setup, our Property Equipment hub covers other essential tools.
Pros
- Tri-fuel capability provides fuel flexibility during outages, especially with natural gas line connection
- High starting wattage (12,500W) easily handles heavy loads like central air conditioners and well pumps
- COSense safety feature offers peace of mind when running in partially enclosed spaces
- Electric start is easy and reliable, even in cold weather
- Compatible with Generac HomeLink manual transfer switches for whole-home backup
Cons
- Heavy at 219 pounds, requiring careful planning for placement before a storm arrives
- Some users report poor customer support and potential quality issues with the governor spring
- First oil change required at 20 hours, which is sooner than some competitors
The Generac GP9500ETF is a tri-fuel portable generator designed for homeowners, contractors, and outdoor enthusiasts who need reliable backup power with fuel flexibility. It runs on gasoline, liquid propane, or natural gas, making it a versatile solution for emergencies, job sites, or RV use. With 12,500 starting watts and 9,500 running watts on gasoline, it can handle essential home appliances like refrigerators, sump pumps, and window air conditioners simultaneously.
Standout features include COsense technology, which automatically shuts down the generator if carbon monoxide levels become dangerous, and push-button electric start with a included battery. The automatic voltage regulation (AVR) ensures stable power output, protecting sensitive electronics from fluctuations. The 7.5-gallon fuel tank delivers up to 9.5 hours of runtime at 50% load on gasoline, or unlimited runtime when connected to a natural gas line.
Build quality is robust with a steel-tube cradle frame, 9.5-inch never-flat wheels, and a folding handle for easy transport. At 219 pounds, it is a full-size generator that requires planning for placement. The control panel includes GFCI-protected outlets, a 30A twist-lock, and a 50A outlet for transfer switch compatibility. The included components like the LP hose and battery make setup straightforward.
Potential drawbacks include its weight and a few customer reports of issues with the governor spring and customer support. The first oil change is needed at 20 hours, which is earlier than some other models. However, the tri-fuel capability and high surge power outweigh these concerns for most users.
Overall, the Generac GP9500ETF is a solid investment for anyone needing versatile, high-capacity backup power. It combines fuel flexibility, safety features, and ease of use, making it a top choice in its class. Backed by a 3-year residential warranty, it offers reliable performance for years to come.
Wattage: 9,500 running watts / 12,500 starting watts (gasoline)
Fuel Types: Gasoline, Liquid Propane, Natural Gas
Engine: 500cc Generac OHV with electric start
Runtime: Up to 9.5 hours at 50% load on gasoline; up to 14 hours at 25% load
Fuel Tank: 7.5 gallons steel with fuel gauge
Outlets: Two 120V 20A GFCI duplex, one 120/240V 30A twist-lock (L14-30R), one 120/240V 50A (14-50R)
Safety: COsense, low-oil shutdown, GFCI protection
Weight: 219 pounds
Dimensions: 27.5 x 27.1 x 27.6 inches
Warranty: 3-year residential / 2-year commercial limited
Pros
- Reliable tri-fuel operation for emergency backup in any situation
- High output power can run major appliances including AC and sump pump simultaneously
- Easy push-button start plus remote key fob for convenience
- Safety features like CO sensor and automatic low-oil shutdown provide peace of mind
- Solid build quality with 3-year limited warranty and lifetime technical support
Cons
- Heavy unit at 230 pounds, requiring assistance for setup and transport
- Battery may need replacement after a couple of years, and pull-start on natural gas can be difficult
- Delivery can sometimes be delayed or require multiple appointment resets
The Westinghouse WGen10500TFc is a tri-fuel portable generator designed for homeowners needing reliable backup power during outages. It runs on gasoline, propane, or natural gas and produces 13,500 peak watts. This model is ideal for whole-house backup when paired with a transfer switch or interlock kit.
Standout features include a remote electric start with key fob for easy starting from a distance. The powerful 500cc engine with a cast iron sleeve runs up to 19 hours on a 9.5-gallon gas tank. The built-in CO sensor adds safety by shutting down the generator if carbon monoxide is detected. The control panel includes a 50A and 30A outlets for easy connection to home circuits.
Design is robust with heavy duty never-flat wheels and a sturdy handle for moving. The VFT data center shows voltage, frequency, and hours for easy maintenance. A 3-year limited warranty and lifetime support back the purchase.
Potential drawbacks include the heavy weight of 230 pounds which can make moving it difficult. Some users report battery issues after two years and difficulty pull-starting on natural gas. Delivery may also require patience with scheduling.
Overall, the Westinghouse WGen10500TFc offers excellent value for those needing powerful, fuel-flexible backup. Its combination of high output, safety features, and convenience makes it a top choice for residential emergency power.
Pros
- Tri-fuel capability provides flexibility and longer run times with propane or natural gas.
- High peak wattage (13,000W) can handle heavy loads like central AC and well pumps.
- CO Alert adds peace of mind by automatically shutting down if carbon monoxide levels rise.
- Remote electric start and push-button start offer convenience.
- Good value for a tri-fuel generator at this price point, as reflected in positive customer feedback.
Cons
- Weight: At approximately 200 pounds, it is heavy and requires the included wheel kit for mobility.
- Noise level: Like most open-frame generators, it can be loud during operation.
- Limited natural gas hose length: The included 15-foot hose may restrict placement relative to a natural gas connection.
The DuroStar DS13000MXT is a robust tri-fuel portable generator designed for whole-home backup during power outages. With a peak output of 13,000 watts and 10,500 running watts, it is suitable for powering essential appliances, central air conditioning, and even well pumps. This generator is ideal for homeowners, RV enthusiasts, and anyone needing reliable emergency power.
The standout feature is its tri-fuel capability, allowing operation on gasoline, propane, or natural gas. This flexibility ensures you can use the most available fuel during an emergency. The remote electric start adds convenience, and the CO Alert system automatically shuts down the engine if dangerous carbon monoxide levels are detected, enhancing safety. The transfer switch ready 50-amp outlet simplifies connection to your home's electrical panel.
Built with a rugged 500cc OHV engine and a steel frame, the DS13000MXT is designed for durability. The included wheel kit and handle make it easier to move despite its heavy weight. The control panel is well laid out with a fuel selection knob, push button start, and multiple outlets including a 50-amp RV ready receptacle.
One potential drawback is its weight, around 200 pounds, which may require effort to maneuver. Additionally, like most open-frame generators, it produces significant noise during operation, which could be a consideration for neighbors or quiet environments. The included natural gas hose is only 15 feet, so you may need a longer hose depending on your setup.
Overall, the DuroStar DS13000MXT offers excellent value for a tri-fuel generator with its high power output, safety features, and convenience. It is a solid choice for homeowners seeking reliable backup power without the expense of a standby generator. The 3-year warranty provides added peace of mind.
Wattage: 13,000 peak / 10,500 running
Fuel Types: Gasoline, Propane, Natural Gas
Starting System: Remote electric start plus recoil backup
Engine: 500cc 4-stroke OHV
Fuel Tank Capacity: 8.3 gallons
Outlets: 4 total including 50-amp transfer switch ready, 30-amp RV, and standard outlets
Voltage: 120/240V
Dimensions: 30.5 x 27.3 x 26 inches
Warranty: 3-year limited
Pros
- Strong starting wattage for powering multiple devices simultaneously
- Long runtime with efficient fuel consumption
- Multiple outlet types provide flexibility for home, RV, and worksite needs
- Safety features like AVR and low-oil shutdown add durability
- Portable with flat-free wheels and a foldable handle for easy storage
Cons
- At 109 pounds, it is heavy and may require two people for lifting
- Recoil start only; no electric start option for easier ignition
- Regular sine wave output may not be ideal for sensitive electronics like laptops or medical devices
The Green-Power America GPD5000W is a robust 5000-watt portable generator tailored for homeowners, campers, and contractors who need reliable backup power. Powered by a 223cc OHV engine, it produces 5,000 peak watts and 3,850 running watts, enough to keep refrigerators, sump pumps, lights, and power tools running during outages.
Standout features include an extended 11-hour runtime at half load, thanks to its 4-gallon steel fuel tank. The multi-outlet panel offers two standard 120V outlets, one 120V twist-lock for RVs or transfer switches, and a 12V DC port for battery charging. Automatic Voltage Regulation (AVR) and low-oil shutdown safeguard your equipment and the engine, adding peace of mind during prolonged use.
Build quality is solid with an aluminum frame and durable steel chassis. The 8-inch flat-free wheels and foldable handle make maneuvering across job sites or campsites easier, though the 109-pound weight is a factor for solo users. At 74 dB, it is moderately quiet for its class but not silent.
A potential drawback is the recoil start, which requires manual pulling and may be strenuous for some users. Additionally, the generator produces regular sine wave output, which may cause issues with sensitive electronics; consider an inverter for critical devices. It is EPA compliant and backed by a 2-year warranty, reflecting good value for the price.
Overall, the Green-Power America GPD5000W offers a compelling balance of power, runtime, and essential safety features. It is a solid choice for emergency home backup and recreational use, especially for those who prioritize reliability and versatility over portability and pure sine wave output.
Pros
- Bluetooth app provides real-time data and ECO mode control for optimized fuel efficiency.
- Plenty of power to run a 15000 BTU RV air conditioner plus other appliances.
- Lightweight and portable with integrated handle, easy to move and store.
- Quiet operation, comparable to premium inverter generators.
- Comes with a comprehensive accessory kit including parallel cables, adapter, and dust cover.
Cons
- Bluetooth app connectivity can be unreliable and may require reconnection after updates.
- Generator relies on a battery for starting; if battery dies, you cannot start it even with the pull cord due to electronic choke.
- Spark plug location is awkward to access, requiring a socket and extension for replacement.
The maXpeedingrods MXR4000 is a 4000-watt inverter generator designed for RV owners, campers, and homeowners seeking backup power. It offers a unique blend of remote monitoring via Bluetooth and a compact, lightweight build that sets it apart from many competitors in its price range.
Standout features include the Bluetooth app that lets you track output, fuel level, voltage, and runtime, as well as toggle ECO mode for better fuel economy. The generator delivers clean power suitable for sensitive electronics, and it easily powered a 15000 BTU RV air conditioner in user tests. The included NEMA L5-30R outlet and adapter simplify RV hookups.
Build quality is solid for the price, with a robust frame and durable plastic/aluminum construction. At 48.5 pounds and with a built-in handle, it is genuinely portable. Noise levels are impressively low for a generator of this output, making it neighbor-friendly. The included CO alarm adds safety.
Drawbacks include occasional Bluetooth connection issues and a starting system that depends on a battery. If the battery dies, the electronic choke prevents pull-starting. Some users also note the spark plug is hard to reach. These are common compromises in budget-friendly generators but worth considering.
Overall, the maXpeedingrods MXR4000 offers excellent value for those needing portable, app-controlled power. It handles RV AC, camping, and home backup reliably, provided you maintain the battery and break-in process. With a 2-year warranty and strong customer support, it is a smart choice for budget-conscious buyers.
Pros
- Silent operation compared to noisy gas generators
- Fast charging with AC and solar input options
- Expandable battery capacity for longer runtime
- Multiple output ports to power many devices simultaneously
- Excellent customer service and comprehensive warranty
Cons
- Heavy at over 100 pounds, though wheels and handle help
- Some users report battery percentage calibration issues
- High upfront cost compared to smaller capacity units
The ABOK Ark3600 is a powerful portable power station designed for homeowners, RV enthusiasts, and outdoor adventurers who need reliable off-grid energy. With a base capacity of 3840Wh expandable to 11520Wh, it can power everything from lights and phones to refrigerators and power tools. Its 3600W continuous output and 4500W peak handle 99% of household appliances, making it a versatile backup for emergencies or remote living.
Standout features include ultra-fast charging: the unit reaches full charge in 3 hours via AC or just 1.29 hours when combining AC and solar input. The LiFePO4 battery delivers over 4000 cycles and a 10-year lifespan, ensuring long-term value. Real-world performance is impressive; users report running heavy loads like hammer drills and wetvacs simultaneously without issues, and the unit operates silently with only cooling fans audible under heavy drain.
The design is practical for its size. A telescoping handle and durable wheels make moving the 100+ pound unit manageable. The 15 output ports include a 30A RV outlet, multiple USB-C (one with 100W PD), USB-A with QC3.0, and DC ports for diverse devices. The Bluetooth app allows remote monitoring of battery level, input/output wattage, and settings, adding convenience for energy management.
Potential drawbacks include weight; while wheels help, it is still bulky. Some users have noted that the battery percentage display may not perfectly match actual capacity, though this does not affect performance. The initial cost is high, but the expandability and long battery life justify the investment for those needing serious backup power.
Overall, the ABOK Ark3600 is an excellent choice for home backup, RV living, and off-grid adventures. Its silent operation, fast charging, and expandable capacity set it apart from competitors. If you need a reliable, high-output power station that can grow with your needs, this model is a strong contender.
Pros
- Dual-fuel capability for fuel choice and extended runtime.
- Clean power for sensitive electronics.
- Quiet operation and electric start.
- COsense safety feature.
- Parallel capability for scalability.
Cons
- At 107 lbs, it is still heavy for some users.
- Customer service reported issues with warranty claims for damaged parts.
- Propane runtime at 50% load (11 hours) is less than some competitors.
The Generac iQ5200 DF is a dual-fuel inverter generator designed for home backup, camping, and RV use. It offers 3,900 running watts on gasoline and 3,500 on propane, with clean power under 3% THD for sensitive electronics.
Standout features include push-button electric start, COsense safety shutoff, and Economy Mode for quiet, efficient operation. Real-world reviews praise its quietness and ease of use, with users noting it is as quiet as a Honda at a lower price.
The fully enclosed case reduces noise, and the 107-pound unit with never-flat wheels and folding handle is manageable for one person. The optional parallel kit allows doubling power output.
Drawbacks include the weight for some users and potential inconvenience with warranty service for damaged parts. Despite that, the generator offers great value and reliable performance.
Verdict: The Generac iQ5200 DF is a versatile, quiet, and safe generator ideal for those needing portable, clean power. Its dual-fuel capability and COsense feature make it a top choice for home and outdoor use.
Pros
- Electric start with recoil backup for effortless and reliable starting.
- CO safety shutoff adds peace of mind for indoor use in emergencies.
- Parallel ready expands power capacity for larger appliances or work sites.
- Pure sine wave output safe for sensitive electronics.
- Compact and wheeled design (68 lbs) makes it portable despite its power.
Cons
- Weight listed inconsistently across sources (68 lbs vs 89 lbs) may confuse buyers.
- Limited to gasoline fuel only, no dual-fuel option like some competitors.
- Only 83 customer reviews at launch, relatively new model with less long-term track record.
The PowerSmart 4800W Portable Inverter Generator (model PS5046CE) is a mid-range inverter generator designed for homeowners, RV campers, and job site users who need reliable backup power without the noise and size of conventional generators. With a 223cc engine delivering 4800 surge watts and 3600 running watts, it can start and run common high-load appliances like air conditioners, sump pumps, and refrigerators.
Its standout feature is the one-touch electric start, which gets the generator running quickly even in cold weather, backed by a manual recoil start for emergencies. The pure sine wave output from dual USB ports means you can safely charge laptops, phones, and medical devices. The integrated CO Guard automatically shuts down the engine if dangerous carbon monoxide levels accumulate, a critical safety upgrade for camping or garage use.
At just 67dB from 23 feet, this generator is quiet enough for campgrounds and residential neighborhoods. The 3.43-gallon fuel tank provides up to 10 hours of runtime at 50% load, and the built-in wheels make it easy to move. Parallel terminals allow daisy-chaining two units for up to 9600W, which is excellent for heavy-duty jobs or whole-house backup.
One potential drawback is the weight; the listed 68 pounds is manageable but still heavy for some users. There is also some inconsistency in official specs regarding weight (89 lbs in description). Additionally, the generator runs only on gasoline, missing the convenience of dual-fuel options from competitors. With only around 80 reviews, it is a relatively new model, so long-term reliability is less proven.
Overall, the PowerSmart 4800W inverter generator offers a strong balance of power, safety, portability, and quiet operation at a competitive price point. It is an excellent choice for anyone needing clean and reliable backup power for camping, RVing, or home emergencies.
Engine Type: 223cc 4-stroke OHV Inverter
Starting Watts: 4800 / Running Watts: 3600
Fuel: Gasoline / Tank Volume: 3.43 gallons (13 liters)
Runtime: Up to 10 hours at 50% load
Outlets: 1x TT-30R (120V 30A), 2x 5-20R (120V 20A), 1x 12V DC, 2x 5V USB
Noise Level: 67dB at 23 feet
Weight: 68 pounds / Dimensions: 16" x 16" x 19"
Safety: CO Guard, Low Oil Shutdown, Overload Protection
Warranty: 2 Years
Pros
- Exceptional power output for whole-house backup
- Reliable dual fuel operation with quick propane startup
- Remote start adds convenience and ease of use
- Clean power output safe for sensitive electronics
- Comprehensive safety features including CO sensor and low-oil shutdown
Cons
- Open frame design produces noticeable noise during operation
- Heavy weight (230 pounds) can make positioning difficult for some users
- Occasional oil leakage from factory test may require tightening drain plug before use
The Westinghouse WGen11500DFc is a robust dual fuel portable generator designed for homeowners who need serious backup power during outages. With 14,500 peak watts and 11,500 running watts, it can handle essential appliances like air conditioners, refrigerators, and sump pumps simultaneously. The unit runs on either gasoline or propane, giving you fuel flexibility when supplies are scarce.
Standout features include a remote start key fob and push-button electric start, making it effortless to fire up from a distance. The generator delivers less than 5% total harmonic distortion (THD), ensuring clean power for sensitive electronics such as computers, TVs, and phones. Users report seamless startup on propane and impressive performance, with one reviewer powering five mini-split AC units and two freezers without issue.
Build quality is solid, with a 550cc cast iron sleeve engine, copper windings for cooler operation, and a durable open frame. The heavy-duty never-flat wheels and lift bracket make it easier to move despite its 230-pound weight. The VFT data center provides real-time voltage, frequency, and runtime info, while the fuel gauge helps monitor consumption.
Potential drawbacks include noticeable noise typical of open frame generators, and the weight may require two people for safe setup. Some users reported minor oil leakage from factory testing, which is resolved by tightening the drain plug. These are common trade-offs for this class of generator.
Overall, the Westinghouse WGen11500DFc offers exceptional power, fuel versatility, and safety features at a competitive price. It earns a strong recommendation for anyone needing reliable whole-house backup that is both portable and powerful.
Pros
- Powerful 12,000W peak output with low THD, safe for electronics
- Tri fuel capability offers excellent fuel flexibility
- Remote start and electric start add convenience
- Long runtime with large 7.9 gallon fuel tank
- Transfer switch ready and parallel capable for expandability
Cons
- Heavy at 191 pounds, making portability a challenge
- Expensive upfront cost compared to standard generators
- Power output decreases when running on propane or natural gas
The Westinghouse iGen12000TFc is a tri fuel portable inverter generator designed for whole home backup power, RVs, and job sites. It runs on gasoline, propane, or natural gas, giving you flexible fuel choices during outages or off grid adventures.
With 12,000 peak watts on gas and 9,000 running watts, plus less than 3% total harmonic distortion, it safely powers sensitive electronics like TVs and computers. The inverter technology adjusts engine speed to demand, cutting fuel consumption by up to 50% compared to traditional generators, and the 7.9 gallon tank provides up to 19 hours of runtime at 25% load.
Starting is easy with the push button electric start or the included remote key fob. The LED data center shows fuel level, power output, remaining runtime, voltage, and lifetime hours. It rolls on never flat wheels with a foldable handle, making it easier to move despite its 191 pound weight.
This generator is transfer switch ready with 50A and 30A outlets, so you can connect it directly to your home panel. A CO sensor and low oil shutdown add safety. The main drawbacks are the high price and heavy weight, and power output drops when running on propane or natural gas.
Overall, the Westinghouse iGen12000TFc is a powerful, feature packed inverter generator for homeowners who want backup power without worrying about damaging electronics. If you need a reliable, versatile generator and can handle the weight and cost, it is an excellent choice.
Engine: 457cc Westinghouse 4-Stroke OHV with cast iron sleeve
Peak Watts: 12,000W (gasoline), 11,000W (propane), 9,800W (natural gas)
Running Watts: 9,000W (gasoline), 8,100W (propane), 7,200W (natural gas)
Runtime: Up to 19 hours at 25% load on 7.9 gallon gasoline
Outlets: 14-50R 50A, L14-30R 30A, GFCI 5-20R 20A duplex
Features: Remote start, electric start, CO sensor, LED data center, parallel capable
Weight: 191 lbs
Warranty: 3-year limited
Pros
- Tri-fuel capability provides fuel flexibility during emergencies
- High power output handles whole-house loads
- Remote start key fob adds convenience
- CO sensor and low-oil shutdown enhance safety
- Solid build quality with a durable engine
Cons
- Heavy at 215 pounds, making manual transport difficult
- Not CARB compliant, so may not be available in California
- Some assembly required out of the box
The Westinghouse 12500 Peak Watt Tri-Fuel Generator (model WGen9500TFc) is a powerful home backup solution designed for homeowners who want reliable emergency power. With the ability to run on gasoline, propane, or natural gas, it offers unmatched fuel flexibility, letting you choose the most convenient or available source during an outage.
Standout features include a remote start key fob, electric and recoil start, and a robust 457cc engine that delivers 12,500 peak watts and 9,500 running watts on gasoline. Real-world performance is impressive, with owners reporting it easily powers multiple major appliances simultaneously, such as air conditioners, refrigerators, and sump pumps. The transfer switch ready outlets (L14-30R and 14-50R) simplify hookup to your home's electrical panel.
Design and build quality are solid. The generator sits on a sturdy frame with never-flat wheels and a foldable handle for portability, though at 215 pounds it is heavy. The control panel is intuitive with a VFT data center showing voltage, frequency, and runtime. Included items like oil, a funnel, a battery charger, and a tool kit make initial setup straightforward.
Drawbacks include the weight, which can be a challenge for one person to move, and the lack of CARB compliance, meaning it cannot be shipped to California. Some users note a slight residual oil or fuel odor from factory testing, but this is normal and fades quickly.
Overall, the Westinghouse WGen9500TFc is a top-tier tri-fuel generator that combines power, versatility, and safety features. It is an excellent investment for homeowners seeking dependable backup power with the freedom to choose their fuel source.
Peak Watts (Gas): 12,500
Running Watts (Gas): 9,500
Peak Watts (Propane): 11,200
Running Watts (Propane): 8,500
Peak Watts (Natural Gas): 9,500
Running Watts (Natural Gas): 7,500
Engine: 457cc Westinghouse 4-Stroke OHV with cast iron sleeve
Fuel Tank Capacity: 6.6 gallons
Runtime at 50% Load (Gas): Up to 12 hours
Outlets: 2x GFCI 120V 5-20R, 1x 120V L14-30R (transfer switch ready), 1x 120/240V 14-50R (RV ready)
Start Type: Remote key fob, electric push-button, recoil
Safety Features: CO sensor, automatic low-oil shutdown, overload protection
Dimensions (LxWxH): 27.2 x 26.1 x 26.5 inches
Weight: 215 pounds
Warranty: 3-year limited
Pros
- Excellent power output for whole-home backup; runs essential appliances simultaneously.
- Dual fuel capability provides fuel choice and longer runtimes during shortages.
- Remote and electric start make it easy to use from inside or at a distance.
- Rugged construction with cast iron engine and never-flat wheels for portability.
- Comes with comprehensive kit: battery charger, oil, funnel, propane hose, and remote fob.
Cons
- Heavy at over 200 pounds, moving it may require two people despite wheels.
- Noisy operation typical of open-frame generators; not ideal for quiet neighborhoods.
- Propane runtime is shorter than gasoline; fuel consumption is high under full load.
The Westinghouse WGen9500DF is a dual fuel portable generator designed for homeowners who need reliable backup power during outages or for off-grid use. With 12500 peak watts on gasoline and 11200 on propane, it can handle heavy loads like air conditioners, well pumps, and refrigerators simultaneously.
Standout features include remote start via key fob, push-button electric start, and a VFT display that shows voltage, frequency, and hours. The transfer switch-ready outlets (L14-30R and 14-50R) allow direct connection to a home panel, making it a true backup solution. Runtime reaches up to 12 hours on a 6.6-gallon gas tank, though it's shorter on propane.
Build quality is robust: a 457cc OHV engine with a cast iron sleeve ensures longevity, while the steel frame and never-flat wheels aid portability. Included accessories like a battery charger, oil, and propane hose add value. However, the generator is heavy and noisy, which may limit placement options near living spaces.
Potential drawbacks include weight (over 200 pounds) and noise levels typical of open-frame units. Also, propane runtime is less than gas, and fuel consumption at full load is high. These are common trade-offs for a high-power generator.
Overall, the Westinghouse WGen9500DF is an excellent choice for homeowners seeking a powerful, dual-fuel generator with convenient starting and transfer switch compatibility. Its performance and features justify its price for serious emergency preparedness.
Pros
- Exceptional power output of 18,000 peak and 14,500 running watts for whole-home backup.
- Versatile tri-fuel operation gives you fuel choice and longer run times.
- Advanced safety features include CO sensor and automatic low-oil shutdown.
- User-friendly with remote start, push-button start, and digital display.
- Clean power (under 5% THD) safe for electronics like phones, computers, and TVs.
Cons
- Heavy and bulky (30.3 x 34.9 x 34.3 inches); requires careful placement and moving.
- Some users report the battery charger connector can be flimsy.
- Transfer switch or interlock kit must be purchased separately for home backup integration.
The Westinghouse WGen14500TFc is a tri-fuel portable generator built for serious home backup. With 18,000 peak watts and 14,500 running watts, it can power essential appliances like air conditioners, refrigerators, sump pumps, and electronics during an outage. It is ideal for homeowners who want the flexibility of running on gasoline, propane, or natural gas, and the peace of mind that comes with a CO sensor and remote start.
Standout features include the ability to pair with Westinghouse's automatic transfer switch for hands-off backup, and the VFT data center that shows real-time voltage and frequency. The copper windings and less than 5% THD ensure clean power for sensitive electronics. In reviews, users praise easy setup, reliable starting, and the reassurance of having fuel options. The remote start is especially valued for convenience.
Build quality is high: a 713cc V-twin engine with cast iron sleeve and full-pressure lubrication, plus an automotive-style oil filter. The generator rolls on never-flat wheels with a lift bar for easier positioning. However, its size and weight require a dedicated spot. Some users mentioned that the battery charger connector feels cheap, but overall satisfaction is high.
Drawbacks: this is a heavy machine, and you need to buy the transfer switch separately for whole-home hookup. The battery charger connector issue appeared in a few reviews, though most had no problems. Also, natural gas performance might be lower than gasoline, so plan accordingly.
Verdict: The Westinghouse WGen14500TFc is a top-tier portable generator for homeowners wanting fuel flexibility and high power. Its safety features, clean power, and remote start make it a wise investment for emergency preparedness. Despite minor gripes, it earns strong recommendation for those needing reliable backup power.
Peak Watts: 18,000
Running Watts: 14,500
Fuel Types: Gasoline, Propane, Natural Gas
Engine: 713cc V-Twin OHV with Cast Iron Sleeve
Run Time: Up to 16 hours at 25% load on gasoline
Fuel Tank: 10.57 gallons
Outlets: 1x 120/240V 50A (14-50R), 1x 120/240V 30A (L14-30R), 1x 120V 30A (L5-30R), 2x GFCI 120V 20A (5-20R), 2x USB ports
THD: Less than 5%
Start Type: Electric push-button and remote key fob
Safety: CO sensor, automatic low-oil shutdown
Dimensions: 30.3 x 34.9 x 34.3 inches
Warranty: 3-year limited, lifetime tech support
Pros
- Tri-fuel capability provides fuel flexibility during emergencies
- Electric start with battery makes operation effortless
- CO Shield enhances safety by automatically shutting off the generator
- Generous power output can handle large home loads and tools
- Includes both natural gas and propane hoses for immediate setup
Cons
- Heavy at 231 pounds, requiring two people for initial setup
- Noise level of 74 dBA is comparable to a vacuum and may be intrusive
- Some users report minor frame bending from shipping
The Champion Power Equipment 201438 tri-fuel portable generator is a robust backup solution designed for homeowners and professionals who need reliable power from multiple fuel sources. With an output of 12,500 starting watts on gasoline and 10,000 running watts, it can handle essential appliances, power tools, and even larger loads during outages or on job sites.
Its standout feature is the tri-fuel capability, allowing operation on natural gas, propane, or gasoline out of the box. The included 25-foot natural gas hose and 6-foot propane hose eliminate extra purchases, and the fuel select dial makes switching quick. Users praise the electric start with included battery, which fires up reliably even in cold weather thanks to Cold Start Technology.
Safety is prioritized with CO Shield, which monitors carbon monoxide levels and automatically shuts down the generator if dangerous accumulation is detected. The Intelligauge display provides real-time feedback on voltage, frequency, and run time, helping you manage load and maintenance. The wheel kit and fold-down handles improve portability, though the 231-pound weight demands careful handling.
Potential drawbacks include its noise level (74 dBA) and occasional shipping damage like bent frames. While it runs quieter than some comparable units, it is not whisper-quiet. The 3-year warranty and free lifetime technical support from Champion add peace of mind.
Overall, the Champion 201438 is an excellent investment for anyone needing versatile, high-capacity backup power. Its tri-fuel flexibility, safety features, and solid performance make it a top contender in the portable generator market.
Pros
- Extremely quiet operation at 65 dB
- Lightweight and portable at only 49 pounds
- Dual fuel fuel flexibility (gasoline and propane)
- Clean power output safe for sensitive electronics
- Built-in CO watchdog for added safety
Cons
- Rated running watts (2900 on gas) may not power large appliances simultaneously
- Some users report initial break-in issues or minor carburetor adjustments needed
- 5-hour runtime on gasoline at half load is modest for extended outages
The WEN DF360iX is a 3600-watt dual fuel inverter generator designed for RVers, campers, and homeowners who need reliable backup power. It combines the benefits of quiet operation, clean electricity, and fuel flexibility in a lightweight package that weighs just 49 pounds.
Standout features include its dual fuel capability, running on either gasoline or propane, and its ultra-quiet 65 dB noise level, comparable to a normal conversation. The inverter technology produces pure sine wave power with total harmonic distortion below 0.3%, ensuring safe operation of sensitive electronics like laptops, phones, and medical devices.
Build quality is solid for its price point, with a compact frame and easy-to-read control panel. The WEN Watchdog CO Shutdown Sensor adds a vital safety layer, automatically turning off the generator if carbon monoxide levels become dangerous. The fuel shut-off feature helps prevent carburetor clogging during storage, reducing maintenance needs.
Potential drawbacks include a modest 5-hour runtime on gasoline at half load (though propane extends this to 14 hours) and a running wattage of 2900 watts, which may not power an entire home. Some users note a brief break-in period with smoke or rough running, but these issues typically resolve after initial use.
Overall, the WEN DF360iX offers exceptional value for those seeking a portable, quiet, and safe generator for camping, RVing, or emergency backup. Its combination of dual fuel, clean power, and safety features makes it a top contender in the mid-range inverter generator market.
Pros
- Tri-fuel capability offers unmatched fuel flexibility for emergency readiness.
- High 15,000 starting watts powers heavy loads like central AC and well pumps.
- CO Alert automatically shuts down the generator to protect against carbon monoxide poisoning.
- Remote and push-button start provide effortless operation even in bad weather.
- Sturdy build with copper windings, steel frame, and a comprehensive 5-year warranty.
Cons
- Extremely heavy at 362 pounds, requiring the included wheel kit for mobility.
- Runtime on gasoline is 17 hours at half load; propane and natural gas runtimes may be shorter.
- Natural gas connection may need professional installation; the included 3/4-inch hose must match your supply.
The DuroMax XP15000HXT is a heavy-duty tri-fuel portable generator designed for whole-home backup power. It is ideal for homeowners who want the flexibility to run on gasoline, propane, or natural gas without sacrificing power output.
Standout features include the industry-first CO Alert automatic shutdown, remote and push-button electric start, and a massive 670cc single-cylinder engine. The digital control center provides real-time data on power output, load, and runtime, making it easy to manage your energy usage.
In real-world use, the XP15000HXT delivers on its promise of 15,000 starting watts and 12,000 running watts, enough to run essential appliances, lights, and even central air conditioning. The tri-fuel capability ensures you can switch fuel sources based on availability and cost.
Build quality is robust with a steel frame and 100% copper windings. However, the generator weighs 362 pounds, so the included wheel kit and handle are essential for moving it. The 5-year warranty adds peace of mind.
Potential drawbacks include its heavy weight and the need for a dedicated natural gas line if using that fuel. Some users may find it louder than inverter generators, but for whole-home backup, the power output justifies the noise. Overall, the DuroMax XP15000HXT offers exceptional value and reliability for serious backup power needs.
Pros
- Dual fuel capability provides fuel flexibility and longer runtime options.
- CO sensor enhances safety during indoor or enclosed use (always operate outdoors).
- Multiple outlets (including RV and transfer switch ready) cover a wide range of backup scenarios.
- Easy to assemble and start, with positive user reviews for reliability.
- Strong value for the price compared to similar dual-fuel generators.
Cons
- At 135.6 pounds, it is heavy to move without the wheels, though the built-in wheels help.
- No remote start or electric start; relies on manual recoil pull start (though users report it starts easily).
- Noise level is moderate but typical for an open-frame generator; may not be ideal for quiet neighborhoods.
The Westinghouse WGen5300DFcv is a dual fuel portable generator designed for homeowners, RVers, and anyone needing reliable backup power during outages. With 5300 running watts (6500 peak) on gasoline and 4800 running watts (5800 peak) on propane, it can power essential appliances like refrigerators, sump pumps, lights, and even RV air conditioners. Its CO sensor, transfer switch readiness, and multiple outlets make it a versatile and safety-conscious choice.
Performance is where this generator shines. The 274cc Westinghouse engine with a cast iron sleeve is built for durability, and users confirm it starts easily and runs smoothly. The automatic low oil shutdown and CO sensor add layers of protection. Real-world reviews highlight its ability to run a fridge, freezer, and electronics for hours, with run times up to 14.5 hours on a 4.7-gallon gas tank. Switching to propane extends runtime further, though peak wattage drops slightly.
Design and build quality are solid for the price point. The hardened steel frame and foam-filled never-flat wheels make it rugged and relatively easy to maneuver on flat ground. The control panel is well laid out with rubber-covered outlets and a built-in fuel gauge. Some users received units with minor cosmetic dents from shipping, but the generator itself performed flawlessly. Assembly is minimal thanks to included tools and an oil funnel.
Drawbacks include its weight (135.6 lbs) and lack of electric start, though the manual pull start is generally reliable. Noise is moderate, typical for an open-frame generator, so it may not suit camping sites with strict noise limits. Additionally, the unit is EPA compliant but not CARB approved, which limits sales in California.
Overall, the Westinghouse WGen5300DFcv offers an excellent balance of power, fuel flexibility, safety features, and value. It is ideal for homeowners on a budget who want a backup generator that can handle critical loads for days. Backed by a 3-year warranty and strong customer support, it is a dependable investment for peace of mind.
Running Watts: 5300 (gasoline) / 4800 (propane)
Peak Watts: 6500 (gasoline) / 5800 (propane)
Engine: 274cc Westinghouse 4-Stroke OHV with cast iron sleeve
Fuel Tank: 4.7 gallons with fuel gauge
Run Time: Up to 14.5 hours (gasoline at 50% load)
Outlets: One 5-20R 120V duplex, one TT-30R 30A RV, one L14-30R 30A transfer switch ready
Weight: 135.6 pounds
Dimensions: 23.2 x 20.1 x 19.1 inches
Warranty: 3-Year Limited
Pros
- Dual fuel operation provides flexibility and longer fuel storage with propane.
- Electric start is reliable and convenient, especially during emergencies.
- Sufficient power to run essential home appliances, including refrigerators, lights, and sump pumps.
- Great value for the price, offering features typically found in more expensive generators.
- Wheel kit included, making it easier to move despite the heavy weight.
Cons
- Heavy at 105 pounds, which can be challenging to move without the wheel kit.
- The wheel kit handle could be positioned higher for better ergonomics when pulling.
- Propane running wattage is lower than gasoline (3500 vs 3800 watts), so plan accordingly for high-wattage devices.
The WEN DF475T is a dual-fuel portable generator designed for homeowners, campers, and professionals who need reliable backup power. With the ability to run on either gasoline or propane, this generator offers flexibility during power outages or outdoor adventures. It is particularly well-suited for those who want whole-house backup through a transfer switch, thanks to its 120V/240V output.
Standout features include the electric start, which makes powering up effortless, and the dual-fuel capability that lets you choose your fuel source based on availability and storage. Real-world performance, as highlighted by customer reviews, is excellent: the generator runs smoothly, starts easily even after long periods of storage, and provides ample power for refrigerators, lights, and even central heating systems. The 11-hour runtime at half load ensures you can get through the night without refueling.
Build quality is solid with a steel frame and compact design. The wheel and handle kit aids portability, though the generator is heavy at 105 pounds. The control panel is straightforward, with a voltage selector and multiple outlet types, including a NEMA 30A twist lock for direct panel connection. The included LPG hose allows immediate propane use, and the engine is CARB compliant.
One drawback is the weight, which can make initial setup a two-person job. Some users also wish the handle was positioned higher for easier pulling. Additionally, running on propane reduces the maximum wattage, so you need to be mindful of power requirements when using propane. However, these are minor trade-offs for the flexibility and reliability offered.
Overall, the WEN DF475T is a fantastic value generator that delivers on its promises. It is a reliable companion for emergencies, camping, or job sites, and its dual-fuel capability sets it apart from many competitors. If you need a generator that can power your home or your adventures, this is a top contender.
Model: WEN DF475T
Wattage: 4750 Surge / 3800 Running (Gasoline), 4350 Surge / 3500 Running (Propane)
Engine: 224cc 4-Stroke OHV, Electric Start
Fuel Type: Gasoline or Propane (LPG)
Voltage: 120V/240V Selectable
Runtime: Up to 11 hours at half load on 4 gallons of gasoline
Tank Volume: 4 gallons
Outlets: 2x 120V GFCI 5-20R, 1x NEMA L14-30R 120V/240V Twist Lock, 1x 12V DC Cigarette Lighter Port
Weight: 105.8 pounds
Dimensions: 23.2 x 17.5 x 18.5 inches
Warranty: 2 years
Included: Wheel Kit, 47-inch LPG Hose, Oil, Battery
Buying Guide: How to Choose the Best Portable Natural Gas Generator
Choosing the right portable natural gas generator comes down to more than just wattage. You need to think about fuel connections, starting method, noise, and how clean the power is for your electronics. Here are the key criteria we use when evaluating these machines.
Fuel Flexibility: Tri-Fuel vs. Dual-Fuel
Natural gas is convenient, but the best portable natural gas generator should also give you options. A dual-fuel unit like the Westinghouse 12500 Watt Dual Fuel Home Backup runs on gas or propane, while a tri-fuel model like the Westinghouse 13500 Peak Watt Tri-Fuel Home Backup adds natural gas to the mix. If you already have a natural gas hookup at your house, tri-fuel is the most convenient choice.
Keep an eye on whether the generator includes the right hoses and regulators. Some models, such as the Gas Propane & Natural Gas Powered, Electric Start Champion 12,500-Watt unit, ship with LPG and NG hoses, so you can start using them right away. Others may require a separate natural gas conversion kit, which adds cost and setup time.
Power Output and Transfer Switch Readiness
Wattage ratings tell you how much load a generator can handle. Peak or starting watts matter for appliances with motors, while running watts shows what the unit can sustain over time. For whole-home backup, models like the Westinghouse 14500 Peak Watt Dual Fuel Home Backup and the Westinghouse 12500 Peak Watt Tri-Fuel Home Backup deliver serious output.
You also want a unit that is transfer switch ready. That means the generator can connect to a manual transfer switch, allowing you to power selected circuits in your home without extension cords. Most of the Westinghouse models in this lineup are transfer switch ready, which makes installation much cleaner.
Clean Power and Noise: Inverter vs. Conventional
If you plan to power laptops, televisions, or medical equipment, look for a model with low total harmonic distortion. The Westinghouse 12000 Peak Watt Tri-Fuel is an inverter generator, so it produces clean power that is safe for sensitive electronics. It also runs quieter than many conventional generators.
The Parallel Ready for an output of up to 9600W ,30A PowerSmart 4800W inverter is another good example. It is gas-powered only, but it shows how inverter technology can reduce noise and improve power quality for smaller loads. If you are on a budget and need a compact unit for emergency essentials, this kind of model is worth considering.
Ease of Starting and Portability
Remote electric start makes a big difference when you are tired and dealing with an outage. The Westinghouse 13500 Peak Watt Tri-Fuel Home Backup and the Westinghouse 14500 Peak Watt Dual Fuel Home Backup both include remote electric start, so you can fire them up from inside or near the unit without pulling a rope. The Gas Propane & Natural Gas Powered, Electric Start Champion model also provides electric start for convenience.
On the other end of the spectrum, the Gas Generator Max Manual Pull Recoil Start Outlets Green-Power America 5000W unit uses a simple recoil start. That is fine if you only need occasional backup power and want a more affordable machine. Just remember to check the wheel kit and handle options, because a heavy generator is much easier to move when it comes with a sturdy wheel kit.
If you want a completely different backup solution that does not require fuel at all, the 3840Wh LiFePO4 Battery, 3H Fast Charge solar generator from ABOK is a silent option. It will not run on natural gas, but it can keep essential devices powered for hours and recharges quickly. We included it here because some homeowners prefer a hybrid approach, using a battery station for small loads and a gas generator for heavy appliances.
Another factor to weigh is your overall outdoor power equipment strategy. If you are refreshing your property gear this season, our zero turn mower buying guide covers another big purchase many homeowners make, and our Kawasaki vs. Kohler engine comparison can help you evaluate small engine quality.
Final Thoughts
The best portable natural gas generator for you depends on the size of your home and how much power you need during an outage. If you want maximum output and fuel flexibility, the Westinghouse 13500 Peak Watt Tri-Fuel Home Backup is a fantastic whole-home companion, while the Westinghouse 6500 Watt Dual Fuel Home Backup is a great choice for smaller loads, RVs, or anyone who wants a more budget-friendly and portable option. Either way, having a generator that runs on natural gas removes the hassle of storing gasoline and gives you a reliable power source right from your home utility line.
Frequently Asked Questions
Can I run a portable generator on natural gas?
Yes, but only if the generator is specifically designed for natural gas or is a tri-fuel model with a natural gas connection. Many dual-fuel generators run on gasoline and propane, so you need to check the specs. Look for models that include a natural gas hose and regulator, or plan to buy a compatible conversion kit.
How many watts do I need for a natural gas home backup generator?
A typical home needs around 5,000 to 7,500 running watts for essentials like a refrigerator, furnace, lights, and a few outlets. If you want to power central air conditioning or a well pump, you will need a larger unit with at least 10,000 to 12,500 peak watts. In 2026, the most popular home backup sizes fall in the 6,500 to 14,500 peak watt range.
Is natural gas generator output lower than gasoline or propane?
Natural gas has a lower energy density than gasoline or propane, so a generator will typically produce slightly fewer watts when running on natural gas. For example, a tri-fuel generator rated at 12,500 peak watts on gasoline might deliver around 10,000 to 11,000 peak watts on natural gas. Check the manufacturer specifications for each fuel type before you decide.
Are portable natural gas generators safe to use indoors?
No, you should never run any portable generator indoors, even if it uses natural gas. Generators produce carbon monoxide, which can be deadly in enclosed spaces. Always place the unit outdoors in a dry, well-ventilated area, and keep it at least 20 feet away from windows, doors, and vents. Many modern models also include a built-in CO sensor that shuts the engine off when dangerous levels are detected.
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