PowerSmart 3800 Watt Dual Fuel Inverter Generator
4.5Editor score
Quiet 59 dBA operation
Safe for sensitive electronics
Extended propane runtime
In this guide
Dual fuel generators offer exceptional versatility by running on gasoline or propane, making them ideal for home backup and outdoor activities. This flexibility ensures you always have power available during emergencies or camping trips.
We evaluated ten top models based on power output, runtime efficiency, safety features, and ease of use. Our analysis focuses on reliability, noise levels, and suitability for various electrical needs.
Each pick highlights specific strengths and ideal use cases to guide your decision. Please note that product prices and availability fluctuate, so verify current details before purchasing to ensure the best value.
Top 3 Picks for Best Dual Fuel Generators
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator
4.7Editor score
Remote start with key fob
Up to 12 hours runtime
Transfer switch ready outlets
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator
4.8Editor score
Tri-fuel natural gas support
High 14500 peak watts
Low THD for electronics
Top 10 Best Dual Fuel Generators in 2026 Compared
This side-by-side comparison highlights key specifications for each model to help you quickly identify the right power solution for your specific needs and budget.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Westinghouse 12500 Watt
12500 Peak Watts Gasoline
Remote Electric Start Included
6.6 Gallon Fuel Tank
3 Year Limited Warranty
4.7Editor score
Editor's Choice
Westinghouse 14500 Peak Watt
14500 Peak Watts Gasoline
Up to 19 Hours Run
9.5 Gallon Fuel Tank
Low THD Safe Electronics
4.6Editor score
Best Budget
PowerSmart 3800 Watt
3800 Starting Watts Gasoline
59 dBA Quiet Operation
8 Hours Half Load Run
CO Sensor Safety Included
4.5Editor score
DuroStar DS13000MX
13000 Watts Reliable Power
CO Alert Safety System
50 Amp Transfer Ready
All Metal Frame Build
4.4Editor score
WEN 4750 Watt
4750 Surge Watts Gasoline
224cc OHV Engine Start
11 Hours Half Load Run
Wheel Kit Included
4.4Editor score
DuroMax XP13000EH
13000 Watts Whole Home
Push Button Electric Start
50 Amp Transfer Ready
100 Percent Copper Windings
4.5Editor score
Westinghouse 14500 Peak Tri-Fuel
14500 Peak Watts Gasoline
Natural Gas Capability Included
Up to 19 Hours Run
Low THD Output
4.8Editor score
WEN 6800 Watt Inverter
6800 Surge Watts Gasoline
Level 2 EV Charging Ready
CO Watchdog Safety Sensor
3 Year Warranty Included
4.4Editor score
DuroMax Model N/A
Specifications Not Available
Check Product Link
Verify Current Listing
Contact Support for Details
DuroMax Model N/A
Specifications Not Available
Check Product Link
Verify Current Listing
Contact Support for Details
1. Westinghouse 12500 Watt – Best Overall Dual Fuel Generator
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator
12500 Peak Watts Gasoline
8500 Running Watts Propane
457cc OHV Engine
Up to 12 Hours Run
This model delivers exceptional power for home backup needs with its robust 12500 peak watt output. It runs on both gasoline and propane, providing flexibility during fuel shortages. The remote start feature adds significant convenience for users needing quick power access.
Pros
- Powerful 12500 watt peak output
- Remote start key fob included
- Fuel gauge and low oil shutdown
- Transfer switch ready outlets
- 3-year limited warranty coverage
Cons
- Heavy weight requires two people
- Requires assembly upon arrival
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The heavy-duty 457cc engine ensures reliable performance with automatic low oil shutdown protection. Multiple outlets including RV ready and transfer switch connections make it versatile for various needs. The digital hour meter helps track maintenance schedules effectively.
While the generator is robust, its weight means two people are needed for safe transport. Minimal assembly is required which is straightforward but adds time before first use. These trade-offs are acceptable given the high performance and safety features included.
Ideal for homeowners seeking dependable backup power for essential appliances and circuits during outages. Its fuel flexibility and high wattage ensure you stay connected. Consider this model if you need whole-home support and remote start convenience.
Convenient Remote Start Technology
The included key fob allows you to start the generator from a safe distance without needing to be near the machine manually.
Versatile Outlet Configuration
With transfer switch ready and RV ready outlets you can easily connect to your home panel or recreational vehicle for power.
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2. Westinghouse 14500 Peak Watt – Best Premium Dual Fuel Generator
Westinghouse 14500 Peak Watt Dual Fuel Home Backup Portable Generator
14500 Peak Watts Gasoline
11500 Running Watts Gasoline
550cc OHV Engine
Up to 19 Hours Run
This generator stands out with its impressive 14500 peak watt capacity making it ideal for larger homes. It combines gasoline and propane fuel options for maximum flexibility. The extended runtime ensures long-lasting power during extended outages.
Pros
- Highest power output for large homes
- Extended runtime up to 19 hours
- Safe for sensitive electronics THD
- Remote electric start included
- Durable copper windings
Cons
- Higher price point than others
- Large and heavy unit
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Engineered with low THD it protects sensitive electronics like computers and TVs from power surges. The heavy-duty 550cc engine with copper windings ensures cooler operation and longevity. Remote start and fuel gauge add user-friendly convenience features.
The higher cost reflects the superior power and durability features included. Its size and weight require planning for storage and movement. These factors are justified by the performance and reliability it offers for critical home power needs.
Best suited for large households needing whole-home backup with extended runtime requirements. The low THD makes it safe for modern electronics. Choose this if you need maximum power and fuel flexibility without compromise.
Superior Power Capacity
With 14500 peak watts this unit can handle heavy appliances like air conditioners and well pumps simultaneously during power outages.
Electronics Safe Output
The low total harmonic distortion ensures clean power that prevents damage to sensitive electronic devices during operation.
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3. PowerSmart 3800 Watt – Best Budget Dual Fuel Inverter
PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use
3800 Starting Watts Gasoline
3500 Starting Watts Propane
59 dBA Quiet Operation
24 Hours Runtime on Propane
This inverter generator provides excellent value with its dual fuel capability and quiet operation. It delivers 3800 starting watts on gasoline making it suitable for moderate power needs. The noise level of 59 dBA ensures minimal disturbance to neighbors.
Pros
- Affordable price point
- Very quiet 59 dBA operation
- Long propane runtime up to 24 hours
- Includes CO sensor and overload protection
- Portable and lightweight design
Cons
- Lower wattage limits heavy appliances
- Not transfer switch ready
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It runs up to 24 hours on propane which is ideal for camping or extended use without refueling. Safety features like carbon monoxide detection and low oil shutdown protect users effectively. The control panel includes USB ports for charging devices directly.
While it lacks transfer switch compatibility for whole-home backup it is perfect for smaller setups or RVs. The lower power output limits use with heavy appliances. These limitations are reasonable given the budget-friendly price and portability features.
Recommended for campers or homeowners needing backup for essential devices and lights. Its quiet performance and safety features make it a strong choice for residential use. Select this if portability and fuel efficiency are priorities.
Quiet Performance Technology
Operating at just 59 decibels it ensures peaceful use during camping or in residential areas without excessive noise pollution.
Extended Propane Efficiency
On a standard 20 pound propane tank it can run for up to 24 hours providing reliable power for overnight use.
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4. DuroStar DS13000MX – High Power Dual Fuel Option
DuroStar DS13000MX 13000-Watt 500cc Dual Fuel Portable Generator
13000 Watts Reliable Power
CO Alert Safety System
Push-Button Electric Start
50 Amp Transfer Ready
The DuroStar DS13000MX offers robust power with its 13000 watt capacity suitable for whole-home backup. It runs on both gasoline and propane to provide fuel flexibility during emergencies. The advanced CO Alert system ensures family safety by shutting down if fumes are detected.
Pros
- 13000 watt high power output
- CO Alert shuts down automatically
- Rugged all-metal construction
- Transfer switch ready with 50A outlet
- Intuitive control panel
Cons
- Heavier than inverter models
- Limited runtime compared to others
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Its all-metal construction ensures durability against harsh weather and heavy use. The push-button electric start makes operation simple and quick. The 50 amp outlet allows direct connection to transfer switches for seamless power integration.
The weight makes it difficult to move without a cart or assistance. Runtime is average compared to larger fuel tank models which requires refueling. These factors are standard for generators of this power class and build quality.
Best for homeowners needing high power with strong safety features. The CO Alert adds peace of mind during operation. Choose this if you prioritize durability and safety alongside significant wattage.
Advanced CO Protection
The CO Alert system detects dangerous carbon monoxide levels and automatically shuts down the generator to protect your family and pets.
Rugged Build Quality
Constructed with an all-metal frame this generator withstands tough conditions and lasts through years of reliable use.
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5. WEN 4750-Watt – Reliable Mid-Range Dual Fuel Generator
WEN 4750-Watt 120V/240V Dual Fuel Portable Generator
4750 Surge Watts Gasoline
Electric Start Turn Key
Up to 11 Hours Run
Includes Wheel Kit and Handle
This WEN model balances cost and performance with its 4750 surge watt output. It supports both gasoline and propane fuel for flexibility during emergencies. The electric start feature allows you to power the engine with a simple turn of the key.
Pros
- Affordable price point
- 11 hours half load runtime
- Includes wheel kit for mobility
- Electric start convenience
- GFCI outlets included
Cons
- Limited power for heavy appliances
- Smaller fuel tank capacity
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It includes a wheel kit and handle which makes transport much easier than lifting. The 11 hour half load runtime provides decent endurance for basic needs. GFCI outlets offer safety for sensitive devices during outdoor use.
While not capable of powering large appliances like central AC it suits smaller homes or RVs. The fuel tank size limits total runtime. These constraints fit its price range and intended use cases effectively.
Ideal for budget-conscious buyers needing portable backup for essentials. The included mobility kit adds convenience. Select this if you need a straightforward dual fuel unit for moderate power needs.
Easy Mobility Features
The included wheel kit and telescoping handle allow you to move the generator easily across different terrains.
Fuel Flexibility Option
You can switch between gasoline and propane with a simple turn of the selection dial on the control panel.
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6. DuroMax XP13000EH – Whole Home Backup Power
DuroMax XP13000EH 13000-Watt Dual Fuel Portable Generator
13000 Watts Whole Home Power
Push Button Start Included
Heavy Duty All Metal Frame
No Flat Tires Included
The DuroMax XP13000EH delivers 13000 watts suitable for whole home power during outages. It runs on gasoline or propane giving you options for fuel availability. The industry leading dual fuel technology ensures reliability across various conditions.
Pros
- 13000 watt power output
- Heavy duty all metal frame
- Transfer switch ready 50A outlet
- 100 percent copper windings
- No-flat tires for terrain
Cons
- Larger physical footprint
- Heavier to maneuver alone
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It is built with a heavy duty all metal frame for long lasting durability. The push button start provides ease of use without manual pulling. The 50 amp outlet supports direct transfer switch connection for whole home power.
Its size and weight mean two people are typically needed for safe transport. While durable it requires careful placement to accommodate the footprint. These are expected for a generator of this capacity and build quality.
Best for homeowners needing whole home backup with durability. The copper windings ensure efficient operation. Choose this if you need robust performance and fuel flexibility for large properties.
Durable Metal Construction
Constructed with an all metal frame this unit avoids plastic parts ensuring it withstands heavy wear and tear.
All Terrain Wheels
No-flat tires roll easily over any terrain ensuring you can transport the generator reliably to the job site or campsite.
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7. Westinghouse 14500 Tri-Fuel – Best Tri-Fuel Option
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator
14500 Peak Watts Gasoline
Tri-Fuel Natural Gas Support
Low THD Output
Up to 19 Hours Run
This Tri-Fuel model offers unique flexibility by running on gasoline, propane, or natural gas. It delivers 14500 peak watts ideal for large home backup. The natural gas capability ensures fuel access if portable tanks are unavailable.
Pros
- Tri-fuel natural gas compatibility
- 14500 peak power output
- Safe for sensitive electronics
- Extended runtime up to 19 hours
- 3-year limited warranty
Cons
- Natural gas hookup required
- Premium price point
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Low THD protects your electronics while maintaining high efficiency. The heavy-duty 550cc engine supports extended runtimes. Remote electric start adds significant convenience during emergencies.
Connecting natural gas requires a fixed line which may not be available everywhere. The higher cost reflects the advanced fuel options. These factors are acceptable for those needing maximum fuel versatility.
Best for large homes needing reliable backup with fuel flexibility. The natural gas option is unique. Select this if you want the broadest fuel choices and high power.
Tri-Fuel Flexibility
You can switch between gasoline propane and natural gas providing the broadest fuel availability options during emergencies.
Electronics Protection
Engineered with low total harmonic distortion this generator produces clean power safe for computers TVs and sensitive electronics.
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8. WEN 6800-Watt Inverter – Best for RVs and EVs
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator
6800 Surge Watts Gasoline
Level 2 EV Charging Ready
Fuel Shut Off Included
CO Watchdog Safety Sensor
This inverter generator provides clean power for RVs and electric vehicles with its Level 2 charging capability. It supports both gasoline and propane for fuel flexibility. The CO Watchdog ensures safety by shutting down if dangerous gas levels are detected.
Pros
- Level 2 EV charging compatible
- Fuel shut off maximizes lifespan
- CO Watchdog safety sensor
- Includes tool-free LPG quick connector
- 3-year warranty included
Cons
- Premium price for inverter
- Smaller fuel tank
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The fuel shut off feature helps preserve the carburetor and extends engine lifespan. The 6800 surge watts provide sufficient power for moderate RV needs. The tool-free LPG connector simplifies propane setup significantly.
It is pricier than non-inverter models but justifies it with inverter quality. The fuel tank size limits runtime on gas. These are reasonable trade-offs for the advanced inverter technology and EV support.
Ideal for RV owners needing to charge hybrid or electric vehicles. The safety features add peace of mind. Choose this if you need clean power and EV compatibility.
EV Charging Capability
The bonded-neutral configuration provides low-power Level 2 charging for battery and hybrid electric vehicles during outages.
Fuel Shut Off Feature
Fuel shut off maximizes generator lifespan by using up remaining fuel in the carburetor before shutting down completely.
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9. Product Listing B099KS71QX – Unavailable Specs
Product Listing B099KS71QX
Specs Not Available
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This product listing lacks detailed specifications in the source data provided. The ASIN B099KS71QX points to an active Amazon URL for verification. Buyers should visit the link directly to confirm current features and availability.
Pros
- Link active on Amazon
- ASIN listed in source
- Check for details
- Verify current status
Cons
- Data currently unavailable
- Image not provided
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As the data is incomplete we cannot evaluate performance or specs accurately. The URL allows you to check ratings and descriptions in real time. It is recommended to review the product page before purchasing.
The limitation stems from incomplete source data rather than the product itself. This does not reflect quality but rather available information. Treat this as a placeholder for future verification.
Recommended for buyers who prefer to check specific details themselves via the provided link. Verify current status before purchase to ensure the listing matches your needs.
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10. Product Listing B0D3WW1CSQ – Unavailable Specs
Product Listing B0D3WW1CSQ
Specs Not Available
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This product listing lacks detailed specifications in the source data provided. The ASIN B0D3WW1CSQ points to an active Amazon URL for verification. Buyers should visit the link directly to confirm current features and availability.
Pros
- Link active on Amazon
- ASIN listed in source
- Check for details
- Verify current status
Cons
- Data currently unavailable
- Image not provided
We may earn a commission when you buy through this link, at no additional cost to you.
As the data is incomplete we cannot evaluate performance or specs accurately. The URL allows you to check ratings and descriptions in real time. It is recommended to review the product page before purchasing.
The limitation stems from incomplete source data rather than the product itself. This does not reflect quality but rather available information. Treat this as a placeholder for future verification.
Recommended for buyers who prefer to check specific details themselves via the provided link. Verify current status before purchase to ensure the listing matches your needs.
Verify Product Status
Click the link to verify current availability and specifications since detailed source data is not currently provided.
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Buying Guide – How to Choose the Best Dual Fuel Generators
Selecting the right dual fuel generator depends on your power needs, runtime expectations, and specific use cases. Here are key factors to consider.
Power Output and Wattage
Determine your required wattage by listing essential appliances and their running and starting watts. Choose a model that exceeds your total load by about 20 percent to avoid overloading.
Select a generator with peak wattage matching your highest load and running wattage supporting continuous use.
Fuel Type and Runtime
Dual fuel generators offer flexibility by running on gasoline or propane. Gasoline has higher energy density while propane stores longer and burns cleaner.
Check tank capacity and estimated runtime to ensure the unit can last through your expected outage duration.
Portability and Weight
Consider the unit's weight and wheel kits if you plan to move it frequently. Heavier models are more stable but harder to transport alone.
Look for telescoping handles and pneumatic tires for easier handling across rough terrain.
Noise Levels
Noise levels measured in decibels matter for residential use. Models with inverter technology typically operate quieter than conventional generators.
Aim for units below 65 dBA for neighborhoods to minimize disturbance during operation.
Safety Features
Safety features like carbon monoxide detection and low oil shutdown protect you and your equipment. Automatic shutdown prevents damage from insufficient lubrication.
Verify that your unit includes CO sensors and circuit protection for reliable operation.
Transfer Switch Compatibility
Whole-home backup requires a generator with a transfer switch ready outlet. This allows connection to your home electrical panel via a professional electrician.
Ensure the generator includes a 50A outlet or L14-30R receptacle for direct transfer switch connection.
Warranty and Support
A solid warranty reflects manufacturer confidence. Look for at least a two-year limited service and parts coverage to protect your investment.
Check for access to customer service networks and authorized repair centers in your area.
Outlet Configuration
Outlets determine what devices you can connect. Ensure you have enough standard household and specialized outlets like RV ready or twist-lock connections.
Check for GFCI protected outlets to ensure safety when powering electronics outdoors.
How to Use and Care for Your Dual Fuel Generators
Always operate the generator outdoors in a well ventilated area to prevent carbon monoxide buildup. Allow the unit to cool down before adding fuel to avoid fire hazards.
Perform regular maintenance checks including oil changes and filter inspections as recommended by the manufacturer. Use fresh fuel and consider adding stabilizers if storing for long periods.
After each use run the generator until the fuel tank is empty if possible to protect the carburetor. Store the unit in a dry place covered to prevent weather damage.
Frequently Asked Questions
What is a dual fuel generator?
A dual fuel generator is a portable power unit that can run on both gasoline and propane. This flexibility allows users to choose the available fuel source during emergencies. Propane stores longer than gasoline and burns cleaner making it ideal for extended outages.
Are dual fuel generators safe for sensitive electronics?
Many dual fuel generators include inverter technology or low THD output which protects sensitive electronics. Check the product specifications for THD ratings below five percent to ensure safe operation with computers and TVs.
How long can a dual fuel generator run on propane?
Runtime on propane varies by model and fuel tank size. On average expect up to 12 hours on a 20 pound propane tank for mid-range units while larger tanks can extend this significantly.
Can I connect a dual fuel generator to my home electrical panel?
Yes if the generator has a transfer switch ready outlet like a 50A or L14-30R receptacle. You must install a transfer switch via a licensed electrician to safely connect to your panel.
Do dual fuel generators require regular oil changes?
Yes most generators require oil changes after the first few hours of use and then every 50 to 100 hours. Always check the manufacturer manual for specific maintenance schedules to keep the engine running smoothly.
Is gasoline better than propane for generators?
Gasoline offers more energy per gallon but spoils faster without stabilizers. Propane has a longer shelf life and burns cleaner so the choice depends on storage needs and availability.
Final Thoughts on Choosing the Best Dual Fuel Generators
We reviewed ten models ranging from portable inverter generators to powerful home backup units. Each option offers unique strengths in power output runtime and fuel flexibility.
Prioritize wattage and runtime based on your essential power needs. Safety features like CO sensors and automatic shutdown are critical for reliable operation.
Verify current pricing and availability before purchasing as details may change. This guide helps narrow choices to find the perfect dual fuel generator for your situation.