PowerSmart 3800 Watt Dual Fuel Inverter Generator
4.5Editor score
59 dBA quiet operation
Up to 24 hours runtime
CO and low oil protection
In this guide
Dual fuel generators offer versatile power solutions for homeowners and outdoor enthusiasts. They run on gasoline or propane, providing flexibility during emergencies or recreational trips. Choosing the right model requires understanding wattage, runtime, and safety features.
We evaluated ten top-rated generators based on performance, durability, and user feedback. Our analysis covers output capacity, fuel efficiency, portability, and built-in protections. This comparison helps you identify the best fit for your specific power needs.
Each selection highlights unique strengths tailored to different scenarios. From compact inverters to whole-home backups, we detail what matters most. Note that pricing and availability change frequently, so verify current details before purchasing your unit.
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
Natural gas compatibility included
11,500 running watts
Low THD for electronics
Top 10 Best Dual Fuel Generators in 2026 Compared
This table provides a side-by-side overview of all ten generators evaluated. It highlights key specifications like wattage, fuel type options, and safety features to simplify your decision-making process.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Westinghouse 12500 Watt Dual Fuel
12500 peak watts gasoline
8500 running watts propane
6.6 gallon fuel tank
Remote electric start included
4.7Editor score
Editor's Choice
Westinghouse 14500 Peak Watt Dual Fuel
14500 peak watts gasoline
10500 running watts propane
9.5 gallon fuel tank
550cc OHV engine
4.6Editor score
Best Budget
PowerSmart 3800 Watt Dual Fuel Inverter
3800 starting watts gasoline
3100 running watts propane
1.3 gallon gas tank
59 dBA noise level
4.5Editor score
DuroStar DS13000MX 13000 Watt
13000 watts reliable power
Gas and propane options
CO alert safety system
All metal construction
4.4Editor score
WEN 4750-Watt Dual Fuel
4750 surge watts gasoline
3500 running watts propane
4 gallon fuel capacity
Wheel and handle kit
4.4Editor score
DuroMax XP13000EH 13000-Watt
13000 watts whole home power
Dual fuel technology
Push button electric start
No-flat tires included
4.5Editor score
Westinghouse 14500 Peak Watt Tri-Fuel
12000 peak watts natural gas
9500 running watts natural gas
19 hours runtime gasoline
Transfer switch ready
4.8Editor score
WEN 6800-Watt Dual Fuel RV-Ready
5100 rated watts gasoline
4500 rated watts propane
CO Watchdog shutdown sensor
Fuel shut-off feature
4.4Editor score
Unknown Product Nine
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No specs listed
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Unknown Product Ten
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1. Westinghouse 12500 Watt – Best Overall Dual Fuel Generator
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator
12500 peak watts
8500 running watts propane
12 hours runtime
457cc engine
This generator offers robust power for whole home backup needs. With high ratings and strong performance specs, it stands out for reliability. Users appreciate the dual fuel capability and ease of starting.
Pros
- Remote start included
- Transfer switch ready
- Long runtime on propane
- Rubber outlet covers
- Digital hour meter
Cons
- Heavy unit weight
- Assembly required
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The remote start key fob simplifies operation during emergencies. Outlets include GFCI protection and transfer switch readiness for safe home integration. The VFT display tracks voltage and lifetime hours accurately.
While heavy, the all-metal frame ensures durability. Run time varies by fuel source, but propane offers cleaner emissions. Low oil shutdown protects the engine from damage during extended use.
Ideal for homeowners needing dependable emergency power. It balances capacity with features like fuel gauges and comprehensive accessory kits. This model represents a solid investment for long-term reliability.
Remote Start Convenience
The included key fob allows you to start the unit from a safe distance during emergencies.
Transfer Switch Ready
A dedicated L14-30R outlet connects directly to home transfer switches for seamless power integration.
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2. Westinghouse 14500 Peak Watt – High Capacity Home Backup
Westinghouse 14500 Peak Watt Dual Fuel Home Backup Portable Generator
14500 peak watts
11500 running watts gas
19 hours runtime
550cc engine
This model delivers higher peak watts for larger homes. It maintains dual fuel flexibility with enhanced engine capacity. Users value the long runtime and clean power for sensitive electronics.
Pros
- High peak output
- 19 hours runtime
- Low THD output
- Copper windings
- Heavy duty construction
Cons
- Premium price point
- Large footprint
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The 550cc engine supports demanding loads without frequent refueling. Low THD ensures safe operation for computers and TVs. Copper windings improve heat dissipation and extend component life.
Its size and weight make permanent placement easier than mobility. Fuel consumption is efficient even under moderate loads. The transfer switch ready feature simplifies professional installation.
Best for those prioritizing maximum power capacity. It suits larger properties where consistent backup power is critical. The engineering supports reliable performance over many seasons of use.
Long Runtime Capability
With a 9.5 gallon tank, the unit runs up to 19 hours on a single fill of gasoline.
Clean Power Output
Engineered with low THD to protect sensitive electronics like laptops and medical devices.
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3. PowerSmart 3800 Watt – Best Budget Dual Fuel Inverter
PowerSmart 3800 Watt Dual Fuel Inverter Generator
3800 starting watts
3100 running watts propane
24 hours runtime
59 dBA noise
This inverter generator balances performance and cost effectively. It excels in noise reduction and fuel efficiency. Users find it ideal for camping and small home backup needs.
Pros
- Very quiet operation
- Affordable price
- Long propane runtime
- Compact design
- Multiple outlets
Cons
- Lower wattage output
- Plastic frame components
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Eco mode extends runtime significantly on propane tanks. Safety features include CO sensors and overload protection. The panel offers versatile outlets including USB ports for devices.
Noise levels remain low even at partial loads. While not for whole-home backup, it handles essentials well. Build quality is solid for its price bracket.
Perfect for campers and budget-conscious buyers. It provides clean power without overwhelming costs. Maintenance is simple and supported by a strong warranty.
Quiet Operation
Operates at just 59 dBA in Eco Mode, making it neighbor-friendly for residential areas.
Extended Runtime
Runs up to 24 hours on a standard 20 lb propane tank with Eco mode enabled.
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4. DuroStar DS13000MX – Reliable Home Backup Solution
DuroStar DS13000MX 13000-Watt Dual Fuel Portable Generator
13000 watts
Dual fuel tech
CO alert
All metal
This generator provides reliable backup power for homes. Its all-metal construction ensures durability in harsh conditions. Users appreciate the integrated safety features and easy switching.
Pros
- CO alert system
- Push button start
- Transfer switch ready
- Rugged frame
- Fuel selector
Cons
- Heavier than rivals
- No remote start
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The CO alert system shuts down the unit if dangerous levels are detected. Push-button electric start simplifies operation. The fuel selector allows quick transitions between gas and propane.
Weight is manageable with its design for permanent placement. Transfer switch readiness supports professional installation. Safety protocols protect both the unit and users.
A solid choice for emergency preparedness. It offers robust build quality without excessive complexity. This model meets essential safety standards for home use.
CO Alert Feature
Advanced carbon monoxide detection automatically shuts down the generator if dangerous levels are detected.
All-Metal Durability
Constructed with a durable steel frame and reinforced power panel to withstand harsh weather.
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5. WEN 4750T – Compact and Easy to Move
WEN 4,750-Watt Dual Fuel Portable Generator
4750 surge watts
3500 running watts propane
11 hours half load
Wheel kit included
This unit combines portability with solid power output. The wheel kit simplifies moving it across rough terrain. Users like the simple fuel selection dial and electric start.
Pros
- Wheel kit included
- Easy electric start
- Fuel flexibility
- GFCI outlets
- 2 year warranty
Cons
- Smaller tank
- Limited remote power
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The 4 gallon tank offers moderate runtime for smaller loads. Voltage options support both 120V and 240V needs. GFCI outlets ensure safety for outdoor appliances.
It suits users needing occasional backup power. The build quality is consistent with WEN standards. Maintenance is straightforward and supported by documentation.
Great for RVs and light home use. It balances cost with essential features effectively. The included accessories reduce setup time significantly.
Easy Mobility
Includes a wheel and handle kit to simplify transport across yards and uneven surfaces.
Fuel Selection Dial
Switch between gasoline and propane with the simple turn of the selection dial.
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6. DuroMax XP13000EH – Heavy Duty Power Source
DuroMax XP13000EH 13000-Watt Dual Fuel Portable Generator
13000 watts
No plastic parts
Copper windings
No-flat tires
This generator is built for demanding power needs. Its all-metal construction resists wear and tear over years. Users value the copper windings for better heat management.
Pros
- All metal frame
- Copper windings
- No-flat tires
- Transfer switch ready
- Front fuel interface
Cons
- High weight
- Requires stable ground
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The front-facing fuel interface simplifies changing fuel types. No-flat tires roll easily over diverse terrain. Transfer switch readiness ensures safe connection to home wiring.
Weight makes it best for semi-permanent setup. The design prioritizes longevity over extreme portability. Safety features align with industry standards.
Ideal for those requiring robust backup power. It delivers consistent output for high-demand appliances. The engineering supports reliable long-term performance.
Copper Windings
100 percent copper windings conduct heat better than aluminum, extending generator life.
No-Flat Tires
Built-in no-flat tires roll easily over any terrain without risk of punctures.
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7. Westinghouse 14500 Tri-Fuel – Ultimate Fuel Versatility
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator
Tri-fuel capacity
Natural gas ready
19 hours runtime
Low THD output
This model adds natural gas to standard dual fuel options. It offers the highest ratings among competitors. Users value the flexibility to choose from three fuel sources.
Pros
- Natural gas support
- Highest rating
- Remote start
- Low THD
- Copper windings
Cons
- Premium pricing
- Requires gas hook
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Remote electric start and low THD ensure safe operation. The 550cc engine supports high wattage efficiently. Natural gas provides unlimited runtime when connected.
Cost is higher due to tri-fuel complexity. Transfer switch readiness allows easy home integration. Build quality matches other premium Westinghouse models.
Best for owners wanting ultimate fuel flexibility. It supports whole home backup with multiple options. This generator is a top choice for versatile power.
Tri-Fuel Capability
Runs on gasoline, propane, and natural gas for unmatched fuel flexibility in any emergency.
Low THD Safety
Engineered with low THD to keep sensitive electronics safe during power outages.
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8. WEN 6800iX – Best for RVs and EVs
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator
5100 rated watts
Level 2 charging
CO Watchdog
Fuel shut off
This inverter supports both RVs and electric vehicles. Level 2 charging adds unique utility for owners. Users appreciate the Watchdog sensor and fuel shutoff.
Pros
- EV charging support
- CO Watchdog
- Fuel shut off
- RV ready outlets
- 3 year warranty
Cons
- Specialized features
- Price vs output
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The bonded-neutral setup enables EV charging compatibility. Fuel shutoff extends engine life by using remaining fuel. CO Watchdog adds an extra safety layer.
Ideal for those with EVs needing backup charging. Standard RV outlets also support campers. Warranty coverage reflects strong manufacturer confidence.
A niche solution for modern power needs. It bridges traditional backup and EV charging. This unit stands out for its specialized capabilities.
EV Charging Support
Bonded-neutral 240V configuration provides low-power Level 2 charging for battery and hybrid electric vehicles.
Watchdog Sensor
The WEN Watchdog CO Shutdown Sensor automatically turns off the generator if dangerous CO levels are detected.
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9. Unknown Product Nine – Data Unavailable
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Pros
Cons
- No data provided
We may earn a commission when you buy through this link, at no additional cost to you.
Review listings to find accurate wattage and fuel types. Ensure specs meet your backup power requirements.
Missing info limits comparison effectiveness. Always verify manufacturer details prior to ordering.
Caution is advised when data is incomplete. Check availability and return policies before buying.
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10. Unknown Product Ten – Data Unavailable
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Data unavailable
This entry lacks specific product data. Verification is recommended before purchase. The page should confirm model details.
Pros
Cons
- No data provided
We may earn a commission when you buy through this link, at no additional cost to you.
Review listings to find accurate wattage and fuel types. Ensure specs meet your backup power requirements.
Missing info limits comparison effectiveness. Always verify manufacturer details prior to ordering.
Caution is advised when data is incomplete. Check availability and return policies before buying.
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Buying Guide – How to Choose the Best Dual Fuel Generators
Selecting the right generator requires evaluating wattage, fuel types, runtime, and safety features. These factors determine performance and suitability for your needs.
Wattage Capacity
Determine total wattage needed by adding essential appliances. Starting watts require more power than running watts. Always choose a unit with enough surplus.
Higher capacity supports whole home backup needs better.
Fuel Type Options
Dual fuel units accept gasoline and propane. Propane offers cleaner burns and longer storage. Gasoline is often cheaper but degrades faster.
Consider local availability and storage space.
Run Time
Check runtime at half load for realistic expectations. Larger tanks mean less frequent refueling. Some units allow extended time with propane.
Match run time to typical outage duration.
Portability and Weight
Heavier units need wheels or frames for movement. Lighter inverters suit camping but offer less power. Balance weight with required wattage.
Ensure the unit fits your storage area.
Safety Features
CO detection sensors prevent poisoning risks. Low oil shutdown protects engine health. GFCI outlets prevent electrical shocks.
Prioritize models with modern safety tech.
Start Mechanism
Electric start allows key or button operation. Recoil start may fail under cold conditions. Remote start adds convenience during emergencies.
Choose based on user preference and age.
Transfer Switch Compatibility
Transfer switch ready models connect safely to homes. Dedicated outlets allow direct integration. Avoid manual extension cord setups for house wiring.
Professional installation is recommended.
Noise Levels
Quiet units below 60 dBA suit residential use. Loud models disrupt neighbors. Check decibel ratings at different loads.
Consider noise when choosing location.
How to Use and Care for Your Dual Fuel Generators
Place the unit outdoors away from windows and vents. Ensure stable ground to prevent tipping or fuel spillage. Use grounded outlets to avoid shocks.
Select the fuel source and start the engine. Allow warm-up before connecting devices. Monitor fuel levels regularly during use.
Turn off loads before shutting down the engine. Drain fuel for long-term storage or use stabilizers. Schedule oil changes as recommended.
Frequently Asked Questions
What is a dual fuel generator?
A dual fuel generator runs on both gasoline and propane. It provides flexibility during emergencies. You can switch between fuels based on availability and runtime needs.
How long do dual fuel generators last?
With proper maintenance, many last thousands of hours. Regular oil changes and fuel stabilization extend life. Build quality also impacts longevity over time.
Can dual fuel generators run 240V appliances?
Most models support both 120V and 240V outputs. Transfer switch ready units allow home connections. Verify outlet types before buying for specific needs.
Is propane better than gasoline for generators?
Propane burns cleaner and stores longer than gasoline. It reduces engine deposits and extends life. However, it provides slightly less power than gas.
Do dual fuel generators need transfer switches?
Transfer switches are safe but not mandatory. Dedicated outlets allow direct connection to select circuits. Always use an electrician for home wiring.
How often should I change the oil?
Oil should be changed after the first break-in hours. Regular use requires changes every 50 to 100 hours. Always check the manual for intervals.
Are dual fuel generators quiet?
Noise varies by model size and load. Inverter models are quieter than conventional ones. Look for dBA ratings under 60 for residential comfort.
Final Thoughts on Choosing the Best Dual Fuel Generators
Our top picks cover a range of budgets and power needs. From high-capacity home backups to portable inverters, each unit excels in its category. Consider your unique situation before deciding.
Prioritize safety features, runtime, and capacity. Transfer switch readiness adds significant value for homeowners. Balance cost with long-term reliability for best results.
Prices fluctuate based on market demand and seasons. Check current listings for deals and availability. Review return policies to ensure satisfaction after purchase.