Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator
4.8Editor score
13500 Peak Watts Gasoline
Low CO Shutdown Sensor
Up to 19 Hours Run Time
In this guide
Dual fuel generators offer exceptional versatility by running on both gasoline and propane. This flexibility ensures you have power during emergencies when one fuel type might be scarce. They are ideal for homeowners, campers, and job site professionals seeking reliable backup solutions.
We evaluated ten top-rated models based on power output, run time, safety features, and customer feedback. Each generator was assessed for its ability to handle sensitive electronics and its ease of use in real-world scenarios. Our list includes options for various budgets and power needs.
Every pick highlights key strengths, potential trade-offs, and specific use cases to guide your decision. Note that product availability and pricing can fluctuate over time. Always verify current details before purchasing to ensure you get the best value for your investment.
Top 3 Picks for Best Dual Fuel Generators
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator
4.7Editor score
12500 Peak Watts Gasoline
Remote Electric Start Included
Up to 12 Hours Run Time
DuroStar DS13000MX 13000 Watt Dual Fuel Portable Generator
4.3Editor score
13000 Watts Reliable Power
CO Alert Safety Feature
Rugged All Metal Construction
Top 10 Best Dual Fuel Generators in 2026 Compared
This side-by-side comparison highlights the key specifications and features of all ten selected models. Use this table to quickly identify which generator best matches your power requirements and budget constraints.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Westinghouse 12500 Watt Dual Fuel
12500 Peak Watts
6.6 Gallon Tank
Remote Electric Start
CO Safety Features
4.7Editor score
Editor's Choice
Westinghouse 14500 Peak Watt Dual Fuel
14500 Peak Watts
9.5 Gallon Tank
Low THD Output
Copper Windings
4.6Editor score
Best Premium
Westinghouse 13500 Peak Watt Dual Fuel
13500 Peak Watts
9.5 Gallon Tank
Remote Electric Start
Digital Hour Meter
4.8Editor score
Westinghouse 6500 Watt Dual Fuel
6500 Peak Watts
4.7 Gallon Tank
CO Sensor Included
Transfer Switch Ready
4.5Editor score
DuroStar DS13000MX Dual Fuel
13000 Watts Power
CO Alert System
Push Button Start
50 Amp Outlet
4.3Editor score
PowerSmart 3800 Watt Dual Fuel Inverter
3800 Starting Watts
59 dBA Operation
24 Hour Propane Run
USB Ports Included
4.5Editor score
WEN 6800 Watt Dual Fuel Inverter
6800 Surge Watts
240V EV Charging
Fuel Shut Off
LPG Quick Connector
4.4Editor score
DuroMax XP13000EH Dual Fuel
13000 Watts Power
All Metal Frame
100% Copper Windings
No Flat Tires
4.5Editor score
WEN 4750 Watt Dual Fuel Portable
4750 Surge Watts
120V 240V Switch
4 Gallon Tank
Wheel Kit Included
4.4Editor score
WEN 4800 Watt Dual Fuel Inverter
4800 Surge Watts
Quiet Conversation Level
Clean Power Output
Fuel Shut Off
4.5Editor score
1. Westinghouse 12500 – Best Overall Dual Fuel Generator
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator
12500 Peak Watts Gas
Remote Key Fob Start
12 Hours Run Time
Transfer Switch Ready
This Westinghouse model is a top-rated powerhouse for whole home backup needs. With 12500 peak watts on gasoline, it can run major appliances and systems simultaneously. Customers appreciate the remote start feature and robust safety ratings.
Pros
- High power output for whole homes
- Remote start convenience included
- Long runtime on propane
- Comprehensive outlet variety
- 3 year warranty
Cons
- Heavy unit for moving
- Gasoline smell on start
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The unit features a heavy-duty 457cc engine with automatic low oil shutdown. It includes multiple outlets including a transfer switch ready port for easy electrical panel integration. The VFT display provides real-time updates on voltage and frequency.
While it offers excellent power, the weight makes it less portable for casual camping. The gasoline odor may be noticeable initially even though it meets EPA standards. These are typical trade-offs for units of this power capacity.
Ideal for homeowners needing reliable emergency power during storms or grid outages. This generator is best for those who value convenience and high wattage over compact size. We recommend it as a primary backup solution.
Remote Electric Start Advantage
The included key fob lets you start the generator from a distance which is safer and easier especially in bad weather.
Transfer Switch Ready Outlet
This model includes a 120V L14-30R outlet that allows direct connection to a home transfer switch for whole house backup.
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2. Westinghouse 14500 – Highest Wattage Dual Fuel
Westinghouse 14500 Peak Watt Dual Fuel Home Backup Portable Generator
14500 Peak Watts Gas
11500 Running Watts
19 Hours Run Time
Low THD Safe Electronics
This unit delivers the highest peak wattage in our review making it suitable for large homes. The 14500 peak watts ensure you can run heavy machinery and multiple appliances. It has a strong customer rating for reliability.
Pros
- Highest power output in class
- Extended runtime on gas
- Low THD protects electronics
- Durable copper windings
- Quiet for its size
Cons
- High price point
- Larger and heavier
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It runs for up to 19 hours on a single tank which is ideal for extended outages. The low total harmonic distortion makes it safe for sensitive electronics like computers and TVs. The copper windings help it run cooler.
The high power capacity comes with a significant price tag and physical bulk. It is not the most portable option for camping or small jobsites. But for whole home backup it performs exceptionally well.
Best for users with large property power needs or professional equipment. The runtime and protection features justify the investment. We suggest this for serious homeowners seeking premium performance.
Extended Runtime Capability
With a 9.5 gallon fuel tank you get up to 19 hours of runtime which is among the best in its class.
Safe For Electronics
Low THD ensures clean power that prevents damage to sensitive devices connected during power outages.
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3. Westinghouse 13500 – Best Premium Dual Fuel
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator
13500 Peak Watts Gas
Low CO Shutdown Sensor
Digital Hour Meter
19 Hours Run Time
The 13500 model earns top marks for safety and ease of use. Its high rating reflects customer satisfaction with performance and durability. The CO sensor adds a vital layer of protection for families.
Pros
- Highest customer rating
- Integrated CO safety sensor
- Plug and play setup
- Digital hour meter
- Remote start included
Cons
- Pricey compared to others
- Gas odor initially
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It includes a digital hour meter so you can track maintenance needs accurately. The 500cc engine offers robust power for whole home use. The plug and play approach means you can start using it quickly.
The main drawback is the cost which is higher than many competitors. Also like many gas units it may have a residual fuel smell initially. These are minor issues given the safety features.
Choose this for its comprehensive safety suite and high customer trust. It is perfect for those who prioritize family protection. We consider it a premium choice for home backup.
Carbon Monoxide Safety
Automatic shutdown if dangerous CO levels are detected protects users and family members from harmful fumes.
Digital Maintenance Tracking
The digital hour meter allows you to track runtime and schedule maintenance intervals easily.
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4. Westinghouse 6500 – Best Midsize Dual Fuel
Westinghouse 6500 Watt Dual Fuel Home Backup Portable Generator
6500 Peak Watts Gas
14.5 Hours Run Time
CO Sensor Built-in
RV Ready Outlet
This midsize generator balances power and portability effectively. It provides enough power for essential circuits and RVs. The CO sensor makes it safer for general use without extra accessories.
Pros
- Compact and lighter weight
- Built-in CO sensor
- Good runtime on gas
- RV ready outlet
- Affordable midrange option
Cons
- Lower power output
- Smaller fuel tank
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It includes a 120/240V selector switch for flexible voltage output. The 4.7 gallon tank supports up to 14.5 hours of run time. The rubber covers on outlets add extra safety from moisture.
The lower wattage means it cannot power large central AC systems. The smaller tank requires more frequent refueling during long outages. But for essentials it is highly capable.
Perfect for camping RV owners or small home backups. It is ideal for users who need mobility with safety features. We recommend it for moderate power needs.
RV Ready Feature
A TT30R RV receptacle allows direct connection to recreational vehicles for easy camping power.
Voltage Selector Switch
The 120V 240V selector switch lets you adapt the output for various appliance requirements.
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5. DuroStar DS13000MX – Best Budget High Power
DuroStar DS13000MX 13000 Watt Dual Fuel Portable Generator
13000 Watts Power
CO Alert Feature
All Metal Construction
50 Amp Outlet
This DuroStar model offers high power at a competitive price. It provides 13000 watts suitable for whole home backup. The CO alert adds a necessary safety layer at low cost.
Pros
- Affordable for high wattage
- CO alert included
- All metal frame
- Electric start
- Transfer switch ready
Cons
- Heavier than rivals
- Basic control panel
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The unit is built with a heavy metal steel frame and power panel. This all metal construction ensures durability during heavy use. It includes a 50 amp heavy duty outlet for main power.
It is heavier and bulkier than some competitors which reduces portability. The control panel is basic but functional for most users. For the price you get robust power output.
Best for budget focused buyers needing maximum power. It is suitable for job sites and home backups. We recommend it for cost conscious power seekers.
Cost Effective Power
This model delivers high wattage output at a lower price point than many similar units.
Durable Construction
The all metal frame resists rust and damage during transport and storage for long life.
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6. PowerSmart 3800 – Best Inverter Dual Fuel
PowerSmart 3800 Watt Dual Fuel Inverter Generator
3800 Starting Watts
59 dBA Quiet Operation
24 Hour Propane Run
USB Charging Ports
This inverter generator provides clean quiet power for sensitive electronics. It is rated at 3800 starting watts which suits camping and home essentials. The low noise level is a major selling point.
Pros
- Quiet inverter operation
- Very quiet noise levels
- Extended propane runtime
- USB ports included
- Compact design
Cons
- Lower total wattage
- Inverter cost premium
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It operates at just 59 dBA which is quiet for a generator. Propane operation extends runtime up to 24 hours for long trips. The USB ports make it easy to charge phones on site.
The lower wattage limits heavy appliance usage. Inverter units generally cost more than conventional models. For noise sensitivity this model excels despite the trade offs.
Ideal for campers and noise sensitive environments. The quiet operation protects peace in campsites. We suggest this for portable quiet needs.
Quiet Performance
Operating at 59 dBA this unit is as quiet as a normal conversation for neighbor friendly use.
USB Charging
Dual USB ports allow direct charging of phones and tablets without extra adapters.
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7. WEN 6800 – Best EV Backup Dual Fuel
WEN 6800 Watt Dual Fuel RV Ready Electric Start Portable Inverter
6800 Surge Watts
240V EV Charging
Fuel Shut Off System
LPG Quick Connector
This model stands out for its electric vehicle charging capability. It provides clean 240V power for EV batteries. The watchdog CO sensor adds extra protection during charging sessions.
Pros
- EV charging capability
- Fuel shut off for life
- Watchdog CO sensor
- LPG quick connector
- 240V twist lock
Cons
- Specialized for EV use
- Higher price range
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It includes a fuel shut off system that extends engine life by clearing carburetor fuel. The LPG quick connector simplifies propane changes. The unit weighs less than large generators but still delivers power.
EV charging is not the primary use for all buyers. The specialized features add cost and complexity. For EV owners it solves a key charging need effectively.
Best for electric vehicle owners needing portable charging. It is also great for RVs needing 240V power. We recommend it for EV backup scenarios.
Electric Vehicle Charging
Bonded neutral 240V configuration allows Level 2 charging for battery and hybrid electric vehicles safely.
Fuel Shut Off System
Automatically uses remaining fuel before shutdown to protect engine components and extend lifespan.
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8. DuroMax XP13000EH – Best Durable Dual Fuel
DuroMax XP13000EH 13000 Watt Dual Fuel Portable Generator
13000 Watts Power
All Metal Frame
100% Copper Windings
No Flat Tires
DuroMax leads in dual fuel technology with this robust model. It delivers 13000 watts for whole home power needs. The all metal frame ensures it withstands harsh weather and jobsites.
Pros
- Industry leading dual fuel
- Robust all metal frame
- Copper windings
- Mobile design
- 13000 watts power
Cons
- Heavy weight
- Price for features
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The 100% copper windings offer superior heat conduction and longevity. It includes no flat tires for easy movement over rough terrain. A push button start makes operation simple and quick.
It is heavy which may be challenging for some users to transport. The price reflects the durable build quality and power. For long term use it is an excellent investment.
Choose this for maximum durability and whole home power. It suits jobsites and emergency backup. We suggest it for heavy duty applications.
All Metal Durability
No plastic parts means it withstands severe weather and heavy wear and tear for years.
Copper Windings
Copper windings extend life and conduct heat better than aluminum for cooler reliable runs.
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9. WEN 4750 – Best Entry Dual Fuel
WEN 4750 Watt 120V240V Dual Fuel Portable Generator
4750 Surge Watts
120V240V Switch
4 Gallon Tank
Wheel Kit Included
This model offers an affordable entry into dual fuel technology. It provides 4750 surge watts suitable for basic home circuits. The transfer switch compatibility allows for whole home integration.
Pros
- Affordable entry level
- Transfer switch compatible
- Easy electric start
- Wheel kit standard
- LPG connection hose
Cons
- Lower power output
- Shorter runtime
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The 4 gallon tank provides up to 11 hours of half load run time. It includes a wheel kit and telescoping handle for easy mobility. The voltage selector switch allows 240V operation when needed.
The lower wattage limits it to smaller applications or essentials. For large loads you need a more powerful unit. But for price it delivers solid value and functionality.
Best for first time buyers on a budget. It is ideal for camping and small homes. We recommend it for cost effective power.
Affordable Access
A competitive price makes this dual fuel technology accessible to more homeowners and campers.
Standard Mobility
Included wheel kit and handle ensure easy transport without extra accessories.
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10. WEN 4800 – Best Lightweight Dual Fuel
WEN 4800 Watt Dual Fuel RV Ready Electric Start Inverter
4800 Surge Watts
Conversation Level Quiet
Clean Power Output
Fuel Shut Off
This lightweight inverter is ideal for RVs and quiet environments. It produces clean power that protects sensitive electronics like phones. The watchdog sensor ensures safety during use.
Pros
- Extremely quiet operation
- Lightweight design
- Watchdog CO sensor
- Fuel shut off
- Clean power output
Cons
- Lightweight for some uses
- Price for inverter tech
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The operation is comparable to a normal conversation. It includes fuel shut off to limit maintenance needs. The telescoping handle and wheels make it easy to move around campsites.
Lightweight builds may feel less rugged than heavy units. The inverter tech adds cost compared to conventional generators. For noise sensitive users it is worth the investment.
Best for camping and RV owners who value noise. It is also good for small home backups. We recommend it for quiet portable power.
Conversation Quiet
Extremely quiet operation comparable to normal conversation protects campsite peace and quiet.
Clean Power Protection
Clean power output prevents damage to sensitive electronics like laptops and tablets.
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Buying Guide – How to Choose the Best Dual Fuel Generators
Selecting the right dual fuel generator depends on your specific power needs and usage environment. Consider these factors to find a unit that offers reliability and value.
Power Output Requirements
Determine the total wattage of the appliances you need to run. Peak watts handle startup surges while running watts cover continuous load. Choose a model that exceeds your total running watts by a margin.
Always calculate the combined wattage of essential items to avoid overloading the generator during operation.
Run Time and Fuel Tank
Run time varies significantly between models and fuel types. Larger tanks provide longer operation but add weight. Check how long the unit runs on both gasoline and propane at half load.
Look for units with extended runtime options if you expect prolonged outages or trips.
Safety Features
Safety is critical especially for indoor or nearby outdoor use. Carbon monoxide sensors automatically shut down the unit if dangerous levels are detected. Low oil protection prevents engine damage from negligence.
Prioritize models with built in CO protection especially if you plan to use it near living spaces.
Portability and Weight
Dual fuel generators range from lightweight to heavy duty. Consider how often you will move the unit and over what terrain. Wheel kits and telescoping handles improve maneuverability significantly.
Select a model with wheels and handles if you plan to transport it frequently between locations.
Inverter vs. Conventional
Inverter generators produce clean stable power safe for sensitive electronics. Conventional generators are often cheaper and heavier. Determine if your devices like laptops require low total harmonic distortion.
Choose an inverter if you plan to power electronics beyond basic tools and lights.
Transfer Switch Compatibility
For whole home backup you need a transfer switch ready outlet. This allows safe connection to your home electrical panel without backfeeding. Check for specific receptacles like 120V L14-30R.
Ensure the generator has a dedicated outlet for direct transfer switch connection.
Noise Level
Noise levels impact your experience especially for camping or neighborhoods. Look for decibel ratings at low loads. Quieter units may cost more but improve user comfort during long use.
Opt for models under 60 dBA if noise is a concern for your environment.
Warranty and Support
Warranty terms reflect manufacturer confidence and long term support. Most reputable brands offer three year coverage for parts and labor. Check availability of service centers in your area.
Verify the warranty duration and what it covers before making your final purchase decision.
How to Use and Care for Your Dual Fuel Generator
Before starting, ensure the generator is placed on a flat stable surface outdoors to prevent carbon monoxide buildup. Connect any required fuel lines and set the fuel selector dial to your desired source.
Use the electric start or recoil pull to power the unit. Monitor the digital display for voltage and frequency stability. Always keep the unit away from open windows and doors.
Perform regular maintenance including oil changes and air filter cleaning to extend engine life. Store the unit with fuel stabilized or empty to prevent carburetor issues during long periods of inactivity.
Frequently Asked Questions
What is a dual fuel generator?
A dual fuel generator runs on both gasoline and propane. This flexibility provides backup options when one fuel is unavailable. It offers greater convenience and efficiency for emergency and portable power.
Which fuel type lasts longer?
Propane generally lasts longer on a per gallon basis than gasoline. It burns cleaner and does not degrade over time. However gasoline often offers higher wattage output for the same volume.
Are dual fuel generators safe for electronics?
Many modern dual fuel units are inverter based which produce clean power. However conventional models may have higher harmonic distortion. Check if the unit is THD safe for sensitive devices.
Can I use a dual fuel generator indoors?
No, you should never use a generator indoors or in enclosed spaces. Carbon monoxide is a deadly odorless gas. Always place the unit outside at least twenty feet from windows.
How do I switch between fuels?
Most units feature a front facing fuel selector switch. Turn this dial to select propane or gasoline. The change typically happens within seconds without needing to turn off the generator.
How much does a dual fuel generator weigh?
Weight varies from around 100 to over 200 pounds depending on size. Larger whole home units are significantly heavier than portable RV models. Always check specs if you need to transport it regularly.
What is the average runtime?
Runtime typically ranges from 8 to 20 hours depending on load and fuel. Propane tanks can be replaced for continuous use while gas tanks require refilling. Always check the specific model specifications.
Do dual fuel generators need maintenance?
Yes regular maintenance ensures longevity and reliable startup. Tasks include oil changes air filter cleaning and spark plug checks. Follow the manufacturer schedule to avoid engine failure.
Final Thoughts on Choosing the Best Dual Fuel Generators
This guide highlights ten exceptional models ranging from entry level to whole home backup. The top picks offer distinct advantages in power, safety, and convenience for different needs.
Prioritize safety features like CO sensors and transfer switch compatibility for home use. For portable needs focus on noise levels and weight to ensure ease of transport.
Always verify current availability and pricing as models change regularly. Select the generator that best aligns with your power requirements and budget.