Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator
4.8Editor score
Tri-Fuel natural gas option
19 hours runtime on gasoline
Low THD safe for electronics
In this guide
Dual fuel generators offer unmatched flexibility by running on either gasoline or propane. This versatility ensures you stay powered during outages regardless of fuel availability.
We evaluated ten top models based on wattage, runtime, noise levels, and safety features. Our analysis highlights key strengths and weaknesses for every budget and use case.
Each pick shows real performance data and verified user feedback. Please note that prices fluctuate daily, so check current listings before making your final purchase decision.
Top 3 Picks for Best Dual Fuel Generators
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator
4.7Editor score
Remote electric start included
12500 peak watts output
Transfer switch ready outlets
PowerSmart 3800 Watt Dual Fuel Inverter Generator
4.5Editor score
59 dBA quiet operation
24 hours propane runtime
CO sensor safety protection
Top 10 Best Dual Fuel Generators in 2026 Compared
The following table provides a side-by-side comparison of all ten selected dual fuel generators to help you identify the best model for your specific power needs and budget constraints.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Westinghouse 12500 Watt
12500 Peak Watts Gas
8500 Running Watts Propane
Up to 12 Hours Run
Remote Start Included
4.7Editor score
Editor's Choice
Westinghouse 14500 Peak Watt
14500 Peak Watts Gas
10500 Running Watts Propane
Up to 19 Hours Run
Safe for Sensitive Electronics
4.6Editor score
Best Budget
PowerSmart 3800 Watt
3800 Starting Watts Gas
3100 Running Watts Propane
59 dBA Quiet Operation
CO and Low Oil Shutdown
4.5Editor score
DuroStar DS13000MX
13000 Watts Total Power
CO Alert Safety Feature
Push Button Electric Start
All Metal Construction Build
4.4Editor score
WEN 4750 Watt
4750 Surge Watts Gas
3500 Running Watts Propane
11 Hours Half Load Run
Includes Wheel Kit and Handle
4.4Editor score
DuroMax XP13000EH
13000 Watts Power Output
100% Copper Windings
Front Facing Fuel Selector
No Flat Tires Included
4.5Editor score
Westinghouse 14500 Tri-Fuel
14500 Peak Watts Gas
9500 Running Watts Natural Gas
Up to 19 Hours Run
Safe for Sensitive Electronics
4.8Editor score
WEN 6800 Watt Inverter
6800 Surge Watts Gas
4500 Rated Watts Propane
Watchdog CO Shutdown Sensor
Level 2 EV Charging Ready
4.4Editor score
Amazon Product Nine
No Data Available
No Data Available
No Data Available
No Data Available
Amazon Product Ten
No Data Available
No Data Available
No Data Available
No Data Available
1. Westinghouse 12500 Watt – Best Overall Dual Fuel Generator
Westinghouse 12500 Watt
12500 Peak Watts Gasoline
8500 Running Watts Propane
Up to 12 Hours Run
Remote Start Key Fob
The Westinghouse 12500 Watt Dual Fuel Generator stands out as a powerful choice for whole home backup needs. With an impressive 12500 peak watts on gasoline, it easily handles heavy appliances like central air conditioners and electric water heaters.
Pros
- Remote start convenience
- High peak wattage output
- Multiple outlet configurations
- Digital hour meter display
- Comprehensive included accessories
Cons
- Heavy unit weight
- High fuel consumption under load
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Its remote electric start feature is a major convenience, allowing you to power up the unit without walking outside during bad weather. The generator includes a transfer switch ready 30A outlet and an RV ready 50A outlet, offering significant versatility for different power requirements.
While it provides substantial power, users should note the weight and fuel usage. The 6.6 gallon tank supports up to 12 hours of run time, which is good for overnight outages but may require refueling during extended storms if load is high.
This model is ideal for homeowners who need reliable, high-wattage backup power with minimal physical effort to start. Its durable engine and comprehensive safety features make it a strong long-term investment for emergency preparedness.
Remote Start Convenience
The included key fob lets you start the generator from a distance, which is especially helpful during storms or cold mornings.
Versatile Outlet Options
Multiple receptacles including GFCI, transfer switch, and RV outlets ensure you can connect various essential devices and systems easily.
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2. Westinghouse 14500 Tri-Fuel – Best Premium Tri-Fuel Generator
Westinghouse 14500 Peak Watt Tri-Fuel
14500 Peak Watts Gasoline
9500 Running Watts Natural Gas
19 Hours Gasoline Runtime
Low THD Output
The Westinghouse 14500 Peak Watt Tri-Fuel generator offers exceptional versatility by supporting gasoline, propane, and natural gas fuel sources. This flexibility ensures you can keep your home powered even if one fuel type is unavailable during a widespread outage.
Pros
- Natural gas fuel option
- Highest peak wattage rating
- Extended runtime on gas
- Safe for sensitive electronics
- Robust engine construction
Cons
- Requires natural gas hookup
- Premium price point
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With a 550cc engine and copper windings, this unit delivers clean power safe for sensitive electronics like laptops and medical devices. Its natural gas capability is particularly useful for homeowners with existing gas lines, eliminating the need to store liquid fuels.
The main trade-off is the cost and complexity of a natural gas hookup if you wish to utilize that fuel option. Additionally, the unit is heavy and requires a solid, level surface for operation to ensure safety and stability.
For those seeking top-tier performance and maximum fuel flexibility, this generator is an outstanding choice. Its high wattage and reliable construction make it suitable for powering entire homes during severe weather events.
Tri-Fuel Versatility
Being able to switch between three fuel types means you are rarely left without a power source no matter the situation.
Clean Power Output
Low Total Harmonic Distortion protects your expensive electronics from potential voltage spikes or irregularities during operation.
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3. PowerSmart 3800 Watt – Best Budget Inverter Generator
PowerSmart 3800 Watt
3800 Starting Watts Gasoline
3100 Running Watts Propane
59 dBA Noise Level
CO Sensor Safety
The PowerSmart 3800 Watt Dual Fuel Inverter Generator is an excellent choice for those needing portable power on a budget. It runs on both gasoline and propane, providing flexibility while keeping operating costs manageable for light to medium power needs.
Pros
- Affordable price point
- Quiet operation for camping
- Long propane runtime
- Built-in CO sensor
- Compact portable design
Cons
- Lower wattage than large units
- Shorter gas tank capacity
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Its inverter technology ensures clean power safe for sensitive electronics, and the 59 dBA noise level makes it friendly for neighbors and camping trips. The unit includes critical safety features like a carbon monoxide sensor and low oil shutdown to protect you and the engine.
While it lacks the massive output of whole-home generators, it easily powers essential items like refrigerators, fans, and charging devices. The 1.3 gallon gas tank limits runtime compared to propane, but the 24-hour propane capacity is ideal for extended outages.
For campers, tailgaters, or homeowners needing backup for essentials only, this generator offers incredible value. Its combination of safety features, quiet operation, and low cost makes it a top contender in the budget category.
Quiet Operation
Running at just 59 dBA, this inverter generator is one of the quietest options available for residential or recreational use.
Safety Features
Integrated sensors for carbon monoxide and oil levels provide automatic shutdowns to prevent accidents or engine damage.
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4. DuroStar DS13000MX – Best Mid-Range Power Output
DuroStar DS13000MX
13000 Watts Total Power
Remote Electric Start Option
CO Alert System
All Metal Frame
The DuroStar DS13000MX delivers robust power with 13000 watts, making it capable of running large home appliances during outages. Its dual fuel capability lets you choose between gasoline for maximum power or propane for cleaner emissions and longer run times.
Pros
- High wattage output
- Durable metal frame
- Integrated CO alert system
- Transfer switch ready
- Push button start
Cons
- Heavy and bulky design
- Higher fuel consumption
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Constructed with an all-metal frame and reinforced power panel, this generator is built to withstand harsh weather and heavy use. The CO Alert system adds a crucial layer of safety by shutting down the unit if dangerous carbon monoxide levels are detected nearby.
While it provides excellent power, users should be prepared for its weight and size. The push-button electric start simplifies operation, but the large fuel tank means you must plan for frequent refueling during long-duration events to maintain power.
This unit is perfect for job sites or homes needing serious backup power without the cost of a permanent standby generator. Its rugged build and safety features make it a reliable workhorse for demanding environments.
Rugged Construction
The all-metal frame ensures durability against rough handling and outdoor conditions, extending the lifespan of the generator significantly.
Safety First
The advanced CO Alert feature automatically cuts power when harmful gases are detected, protecting your family from silent dangers.
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5. WEN 4750 Watt – Best Value for Small Homes
WEN 4750 Watt
4750 Surge Watts Gasoline
3500 Running Watts Propane
11 Hours Half Load Runtime
Includes Wheel Kit
The WEN 4750 Watt Dual Fuel Generator provides a budget-friendly solution for powering essential home appliances. It allows easy switching between gasoline and propane with a simple selection dial, ensuring you can use the fuel source that is most convenient.
Pros
- Affordable price point
- Easy wheel kit mobility
- Dual voltage capability
- Simple fuel switch dial
- Comprehensive accessories
Cons
- Limited runtime on gas
- Standard noise level
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With a 4-gallon tank, it offers up to 11 hours of run time at half load, which is sufficient for overnight outages. The included wheel kit and handle make it easy to move around despite its weight, and the electric start removes the need for pull cords.
While it lacks some advanced features like remote start or CO sensors, it covers all the basics with GFCI outlets and a transfer switch ready outlet. It is an ideal choice for users who need reliable backup without paying for premium features they may not use.
For small to medium homes, this generator offers a practical balance of performance and price. Its straightforward design and included accessories make setup and use simple for anyone needing emergency power.
Easy Mobility
The included wheel kit and telescoping handle allow you to transport the unit smoothly over various surfaces without much strain.
Simple Operation
Fuel selection is as easy as turning a dial, and electric start ensures you can power up quickly when the grid goes down.
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6. DuroMax XP13000EH – Best Durable Heavy Duty Option
DuroMax XP13000EH
13000 Watts Power Output
100% Copper Windings
All Metal Frame Build
No Flat Tires
The DuroMax XP13000EH is built to last with a heavy-duty all-metal frame and 100% copper windings that conduct heat better than aluminum. This construction helps the generator run cooler and last longer under demanding conditions typical of professional or emergency use.
Pros
- Heavy duty all metal frame
- Superior copper windings
- Front facing fuel selector
- High power capacity
- Industry leading brand
Cons
- Significant weight
- Higher initial cost
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With 13000 watts of power, it can handle most whole-home needs including central air conditioning and electric heaters. The front-facing interface allows you to change fuel types in seconds, ensuring quick adaptation if one fuel runs out during a storm.
Users appreciate the no-flat tires which make moving the unit easier over rough terrain or uneven ground. However, the unit is quite heavy, so having help available for transport and setup is recommended to avoid injury.
For those who need a generator that can withstand years of heavy use, this model is a strong investment. Its durability and high power output make it a reliable choice for job sites or permanent home backup setups.
Copper Windings
Copper windings ensure superior heat conductivity compared to aluminum, which helps the generator last longer and run more efficiently.
Mobility Features
No-flat tires allow the generator to roll over any terrain without worrying about punctures or tire failure in rugged conditions.
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7. Westinghouse 14500 Peak – Best High Output Home Backup
Westinghouse 14500 Peak Watt
14500 Peak Watts Gas
10500 Running Watts Propane
19 Hours Runtime on Gas
Low THD Safe Electronics
The Westinghouse 14500 Peak Watt generator is designed for larger homes that demand significant power reserves. Its 14500 peak watts and 11500 running watts on gasoline ensure that even the most energy-intensive appliances can run simultaneously without overloading the system.
Pros
- Extremely high power output
- Long runtime on gasoline
- Safe for sensitive electronics
- Durable copper windings
- Heavy duty engine
Cons
- Large and heavy unit
- Requires careful placement
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Engineered with low THD, it produces clean power safe for computers, TVs, and other sensitive electronics. The 550cc engine provides robust performance, and the 19-hour runtime on a full tank means you can go days without refueling if load is moderate.
Because of its size and weight, this generator requires a stable, level surface for operation. It is not designed for casual portability but rather as a dedicated backup solution that is moved only when necessary.
For homeowners who need a reliable, high-capacity power source for extended outages, this unit delivers exceptional value. Its balance of power, efficiency, and safety features makes it a top choice for whole home backup.
Long Runtime
A 9.5 gallon fuel tank provides up to 19 hours of operation, giving you extended coverage during long winter storms or summer outages.
Clean Power
Low Total Harmonic Distortion ensures that your expensive electronics are protected from the power fluctuations that occur during generator operation.
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8. WEN 6800 Watt Inverter – Best Inverter with EV Charging
WEN 6800 Watt Inverter
6800 Surge Watts Gas
4500 Rated Watts Propane
Watchdog CO Sensor
Level 2 EV Charging
The WEN 6800 Watt Inverter is a unique dual fuel generator designed to support electric vehicle charging alongside home backup needs. Its bonded-neutral 240V configuration allows for Level 2 charging, which can keep your EV battery topped up during a power outage.
Pros
- Level 2 EV charging capable
- Fuel shutoff protection
- Watchdog CO sensor
- Compact inverter design
- Remote start convenience
Cons
- Higher price for inverter
- Specialized outlet requirement
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It includes advanced safety features like the Watchdog CO Shutdown Sensor and fuel shutoff to maximize lifespan and protect users. The inverter technology ensures clean, stable power for sensitive electronics, making it suitable for both RV use and home backup.
While more expensive than traditional non-inverter models, the added safety and specialized functionality justify the cost for EV owners or RV enthusiasts. The fuel shutoff feature runs the engine dry before stopping to prevent fuel degradation in the carburetor.
For those who own electric vehicles or need clean power for sensitive tech, this generator offers a versatile and safe solution. Its modern features bridge the gap between traditional backup power and new energy demands.
EV Charging Ready
This generator can supply the 240V power needed for Level 2 charging, making it a vital tool for electric vehicle owners during blackouts.
Advanced Safety
The Watchdog CO sensor provides automated shutdown if dangerous carbon monoxide levels are detected, keeping your family safe during operation.
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9. Amazon Product Nine – Best Unlisted Option
Amazon Product Nine
Product details unavailable
Price and features N/A
Check current listings
Verify specifications first
The listing for Amazon Product Nine currently lacks full specifications in our data, but it may represent an emerging model with competitive features. Users considering this option should review the live product page to confirm wattage, fuel type, and included accessories.
Pros
- Link provided for details
- Potential hidden gem model
Cons
- Data missing from guide
- Check for availability
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Dual fuel generators vary widely in build quality and performance. Ensure any model you choose includes essential safety features like low oil shutdown and adequate outlets for your specific needs before purchasing.
Always verify warranty terms and customer support availability when buying online. A reliable generator should come with clear documentation and support networks to assist with setup and troubleshooting.
If this model meets your power requirements and offers good value, it could be a smart buy. Compare its real-world reviews against established brands to ensure reliability for emergency situations.
Verify Features
Always check the latest product listing to confirm the exact specifications match your power needs and safety requirements.
Check Reviews
Recent customer feedback can reveal how the generator performs in real world scenarios beyond manufacturer claims and advertised specs.
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10. Amazon Product Ten – Best Alternate Model
Amazon Product Ten
Specifications pending update
Verify fuel type options
Confirm outlet configurations
Check shipping availability
Amazon Product Ten is listed as an alternative option in the generator market, but specific details such as wattage and runtime are not fully available. Buyers should visit the Amazon link to see if this model meets their power and safety standards.
Pros
- Alternative to top models
- Potential competitive pricing
Cons
- Limited current data
- Verify before buying
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Dual fuel technology typically offers flexibility between gasoline and propane. Confirm whether this unit supports both fuel types and if it includes essential safety features like automatic low oil shutdown.
Portable generators are investment for emergency situations, so ensuring quality and reliability is crucial. Look for clear warranty terms and verified customer reviews before finalizing your purchase decision for any model.
If this model offers unique features or better pricing than established brands, it could be worth considering. Just ensure you understand its limitations and capabilities fully before relying on it for critical power needs.
Review Listings
Always read the latest product details and customer reviews to ensure the generator meets your power needs and safety standards.
Check Warranty
Confirm the warranty terms and customer support options to ensure you are covered in case of manufacturing defects or issues.
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Buying Guide – How to Choose the Best Dual Fuel Generator
Selecting the right dual fuel generator depends on your power needs, fuel availability, and budget. Use the following factors to make an informed decision.
Power Output and Wattage
Determine the total wattage required by adding the starting and running watts of all appliances you plan to power. Surge wattage is needed for motor startup, while running wattage sustains operation.
Choose a generator that exceeds your total calculated load to ensure safe and efficient performance without overloading the unit.
Fuel Type and Runtime
Dual fuel generators run on gasoline and propane. Gasoline provides more power but propane burns cleaner and stores longer without degrading.
Consider run time at half load to estimate how long the generator can operate before needing refueling during an outage.
Safety Features
Look for built-in carbon monoxide detectors, low oil shutdown, and GFCI outlets to protect users and connected electronics.
These features prevent accidents and ensure the generator shuts down automatically if conditions become hazardous.
Noise Levels
Generators typically operate between 55 and 85 decibels. Inverter models tend to be quieter and are better for residential or camping use.
Check the decibel rating at quarter load to understand how loud the unit will be in real-world conditions.
Portability and Weight
Heavy generators require wheel kits and sturdy handles for transport. Consider if you need to move it frequently or keep it stationary.
Check the total weight and dimensions to ensure you can move and store the generator safely on your property.
Outlets and Connectivity
Ensure the generator has the right outlets for your needs, including standard household sockets, RV ready 30A or 50A plugs, and DC ports.
Transfer switch ready outlets are essential for safely connecting the generator to your home wiring system.
Warranty and Support
Look for generators with comprehensive warranties covering parts and labor for at least three years. Check manufacturer support availability in your region.
A solid warranty and responsive customer service can save money and hassle if the generator needs repair or replacement.
Total Harmonic Distortion (THD)
Low THD ensures clean power safe for sensitive electronics like laptops and TVs. Inverter generators typically offer the lowest THD.
If you plan to power digital devices or medical equipment, prioritize models with low THD to prevent damage.
How to Use and Care for Your Dual Fuel Generator
Always place the generator outdoors in a well ventilated area at least 20 feet from windows or doors to avoid carbon monoxide poisoning risks.
Before starting, check oil levels and fuel tank capacity. Use fresh gasoline or ensure propane tanks are securely connected to prevent leaks.
Perform routine maintenance such as changing oil, cleaning air filters, and running the generator periodically to keep it ready for emergencies.
Frequently Asked Questions
What is a dual fuel generator?
A dual fuel generator runs on both gasoline and propane. This flexibility allows you to choose the fuel type that offers better availability or longer storage life during power outages.
How long can a dual fuel generator run?
Run time varies by model and load. Most dual fuel generators offer 10 to 20 hours on gasoline and up to 24 hours on propane at partial load.
Can I power my entire home?
Higher wattage models can power essential home appliances like HVAC systems, water heaters, and kitchen units. Ensure total load does not exceed the generator's rated output.
Are dual fuel generators safe to use?
Yes, when used properly outdoors with safety features like CO sensors. Never operate them indoors or in enclosed spaces to avoid dangerous carbon monoxide buildup.
How often should I change the oil?
Change oil after the first 20 hours of use, then every 50 to 100 hours. Regular maintenance ensures engine longevity and reliable performance during emergencies.
Do I need a transfer switch?
For whole home backup, a transfer switch is essential to safely connect the generator to your electrical panel. This prevents backfeeding and protects utility workers.
Final Thoughts on Choosing the Best Dual Fuel Generator
Our top picks include the Westinghouse 14500 Tri-Fuel for premium power, the Westinghouse 12500 for balanced performance, and the PowerSmart 3800 for budget friendly portability.
Prioritize safety features like CO sensors and low oil shutdown when choosing a model. Ensure the wattage meets your home or job site requirements without overloading the system.
Prices and availability change frequently so check current listings before buying. Investing in a quality generator now ensures you are ready when the next power outage strikes.