A dual fuel generator offers the flexibility to run on gasoline or propane, making it a versatile choice for emergency backup, camping, or remote work sites. The best models balance power, portability, and fuel efficiency, but tradeoffs often include size, noise, or cost. For example, larger units provide more wattage but tend to be bulkier and pricier, while quieter, compact options may have limited power. Choosing the right model depends on your specific needs, whether that’s heavy-duty backup or lightweight portability. Continue reading for a detailed breakdown of the top dual fuel generators in 2026 and what makes each stand out.
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Key Takeaways
- The best dual fuel generators combine high wattage with portability, but larger units often sacrifice ease of transport.
- Quiet inverter models excel for RV use and camping, though they usually offer less power than traditional open-frame generators.
- Price varies significantly; premium models tend to include advanced features like remote start and CO sensors, but budget options can still deliver reliable power.
- Fuel versatility is crucial for emergency preparedness, but some models perform better on propane for cleaner burns and longer storage.
- Proper size selection is key—oversized generators waste fuel and cost more, while undersized units may struggle with demand.
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start | ![]() | Best Overall Dual Fuel Generator for Power and Convenience | Peak Watts: 12500 | Running Watts: 9500 (gasoline), 8500 (propane) | Fuel Type: Gasoline and Propane | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 2800-Watt Dual Fuel Inverter Generator, Portable and Quiet | ![]() | Best for Sensitive Electronics and Portability | Power (gasoline): 2800 surge, 2250 rated watts | Power (propane): 2800 surge, 2000 rated watts | Receptacles: Two 120V, one 12V DC, two USB ports | VIEW ON AMAZON | See Our Full Breakdown |
| PowerSmart 4400-Watt Dual Fuel Portable Inverter Generator | ![]() | Best for Quiet Residential Use and Portability | Starting Wattage: 4400W | Rated Wattage: 3600W | Fuel Tank Capacity: 1.6 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor | ![]() | Best for Extended Runtime and Versatility | Gasoline Watts: 6500 running / 5300 | Propane Watts: 5800 running / 4800 | Fuel Tank Capacity: 4.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start and Transfer Switch Ready | ![]() | Best for Heavy-Duty Power and Whole-Home Backup | Wattage: 13,000 watts | Fuel Type: Gasoline and Propane | Engine Displacement: 500cc | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 2550 Peak Watt Super Quiet & Lightweight Portable Inverter Generator, RV Ready, Gas and Propane Powered | ![]() | Best for Lightweight RV and outdoor use | Peak Watts: 2550 | Rated Watts: 1900 | Weight: 42.4 lbs | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit | ![]() | Best for Power-hungry home backup and job sites | Power: 4750 surge / 3800 running watts (gas), 4350 surge / 3500 running watts (propane) | Voltage: 120V/240V | Engine: 224cc 4-stroke OHV | VIEW ON AMAZON | See Our Full Breakdown |
| Champion Power Equipment 4000-Watt Dual Fuel RV Ready Portable Inverter Generator with Quiet Technology and 3-Year Warranty | ![]() | Best for RV users needing quiet, long-lasting power | Power Output: 4000 starting, 3000 running watts | Fuel Type: Gasoline or propane | Run Time: Up to 10 hours on gasoline, up to 25 hours on propane | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog | ![]() | Best for sensitive electronics and outdoor safety | Power: 3600 surge / 2900 rated watts | Fuel Type: Gasoline, Propane | Noise Level: Comparable to normal conversation | VIEW ON AMAZON | See Our Full Breakdown |
| Genkins 4500 Watt Dual Fuel Generator Propane & Gas | ![]() | Best for rugged outdoor and emergency power needs | Peak Power: 4500W | Rated Power: 3600W | Engine: 223cc OHV 4-stroke | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor | ![]() | Best Overall for Versatile RV and Backup Power | Peak Watts: 4650 | Rated Watts: 3600 (Gasoline), 3240 (Propane) | Fuel Tank Capacity: 4 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator | ![]() | Best for Whole-Home Power Backup and Heavy Duty Use | Power Output: 13,000 watts | Fuel Type: Gas & Propane | Start Type: Electric start | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start and CO Sensor | ![]() | Best for High Power with Remote Convenience | Peak Watts: 12500 | Running Watts: 9500 (Gasoline), 8500 (Propane) | Fuel Tank Capacity: 6.6 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote Start | ![]() | Best for Quiet, Portable RV and Travel Use | Peak Watts: 4000 | Rated Watts: 3300 | Fuel Type: Gas & Propane | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator | ![]() | Best for Versatile RV and Emergency Power | Engine: 224cc dual-fuel | Surge Watts: 6800 | Rated Watts: 5100 | VIEW ON AMAZON | See Our Full Breakdown |
| dual fuel generator | Engine | Run Time | Outlets |
|---|---|---|---|
| Westinghouse 12500 Watt Dual F | 457cc 4-Stroke OHV | Up to 12 hours | GFCI 120V 5–20R, Transfer Switch Ready 120V L14-30R, RV Ready 120/240V 14–50R |
| WEN 2800-Watt Dual Fuel Invert | — | — | — |
| PowerSmart 4400-Watt Dual Fuel | 223cc 4-stroke | — | — |
| Westinghouse 6500 Watt Dual Fu | 274cc 4-Stroke OHV | Up to 14.5 hours | 120V Duplex, RV-Ready TT-30R 30A, Transfer Switch L14-30R 30A |
| DuroStar DS13000MX 13,000-Watt | — | — | — |
| Westinghouse 2550 Peak Watt Su | — | Up to 12 hours | One RV TT-30R, Two 120V 20A, Two USB |
| WEN 4,750-Watt Dual Fuel Porta | 224cc 4-stroke OHV | — | Two 120V GFCI, 120V/240V twist lock, 12V DC |
| Champion Power Equipment 4000- | — | Up to 10 hours on gasoline, up to 25 hours on propane | 120V 25A TT-30R, 120V 20A duplex, 12V automotive, parallel |
| WEN 3600-Watt Dual Fuel Portab | — | — | — |
| Genkins 4500 Watt Dual Fuel Ge | 223cc OHV 4-stroke | Up to 6.5 hours at full load | — |
| Westinghouse 4650 Peak Watt Du | 212cc Westinghouse 4-Stroke OHV | Up to 14 hours | One 5-20R 120V, One TT-30R 30A, One L5-30R 30A |
| DuroMax XP13000EH 13,000-Watt | — | — | Multiple, including transfer switch-ready 50 amp |
| Westinghouse 12500 Peak Watt D | 457cc Westinghouse 4-Stroke OHV | Up to 12 hours | GFCI 120V 5–20R, 120V L14-30R, 120/240V 14–50R |
| Westinghouse 4000 Peak Watt Su | — | Up to 7 hours | — |
| WEN 6800-Watt Dual Fuel RV-Rea | 224cc dual-fuel | — | — |
More Details on Our Top Picks
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
The Westinghouse WGen9500DF stands out for its exceptional power output, making it suitable for whole-home backup or large job sites. Compared to the DuroStar DS13000MX, it offers a slightly lower peak wattage but excels with remote electric start, adding convenience during emergencies. Its long runtime of up to 12 hours on a full tank enhances reliability, though its weight and size demand assistance for transport. The multiple outlets, including transfer switch and RV-ready connections, make it highly versatile, but the larger footprint and higher price limit accessibility for budget-conscious buyers. This model is ideal for homeowners needing reliable, portable backup power with added convenience.
Pros:- High peak wattage for demanding appliances and tools
- Remote electric start for quick, keyless operation
- Long runtime of up to 12 hours on a full tank
- Multiple outlets including transfer switch and RV-ready connections
Cons:- Heavy and bulky, requiring assistance to move
- Complex setup for first-time users
- Higher price point compared to smaller portable models
Best for: Homeowners seeking a powerful, remote-start generator for emergency backup or outdoor events
Not ideal for: Individuals needing a lightweight, compact unit for frequent transport or tight storage spaces
- Peak Watts:12500
- Running Watts:9500 (gasoline), 8500 (propane)
- Fuel Type:Gasoline and Propane
- Engine:457cc 4-Stroke OHV
- Tank Capacity:6.6 gallons
- Run Time:Up to 12 hours
- Outlets:GFCI 120V 5–20R, Transfer Switch Ready 120V L14-30R, RV Ready 120/240V 14–50R
- Features:Remote electric start, fuel gauge, automatic low oil shutdown, VFT display
- Warranty:3 years
Our verdict“This generator suits those who prioritize power and convenience over portability and budget.”
WEN 2800-Watt Dual Fuel Inverter Generator, Portable and Quiet
The WEN 2800-Watt Dual Fuel Inverter Generator offers clean, stable power ideal for camping, small home backup, or tailgating. Unlike the larger DuroMax XP13000EH, it provides a more manageable size and quieter operation, with noise levels of around 76 dB. Its dual fuel capability adds flexibility, but its limited outlets—mainly USB and standard 120V—restrict its use for multiple devices simultaneously. The inclusion of a CO shutdown sensor enhances safety, yet its relatively lightweight design can still be cumbersome for some users who prefer ultra-light models. This generator makes the most sense for those who need quiet, portable power with sensitive electronics in mind.
Pros:- Produces clean power safe for sensitive electronics
- Dual fuel operation offers fuel choice flexibility
- Relatively quiet operation for an inverter generator
- Includes safety features like CO shutdown sensor
Cons:- Limited outlet options restrict simultaneous device use
- Relatively heavy for extended portage
- Lower wattage limits its use for larger appliances
Best for: Campers, tailgaters, or small household backup requiring clean power and portability
Not ideal for: Users needing high wattage for large appliances or extensive tool use
- Power (gasoline):2800 surge, 2250 rated watts
- Power (propane):2800 surge, 2000 rated watts
- Receptacles:Two 120V, one 12V DC, two USB ports
- Warranty:3 years
- Noise Level:76 dB from 23 feet
- Fuel Tank Capacity:1.8 gallons
Our verdict“Ideal for those needing portable, quiet power for electronics and small devices, but not suited for heavy loads.”
PowerSmart 4400-Watt Dual Fuel Portable Inverter Generator
The PowerSmart 4400-Watt Dual Fuel Inverter Generator balances power and portability, making it suitable for camping, small home backup, or tailgating. Compared with larger models like the DuroMax XP13000EH, it offers a quieter operation at 76 dB and a compact design. Its runtime of up to 11 hours on a 1.6-gallon tank provides solid endurance, but its weight of over 60 pounds can challenge those seeking ultra-light units. While its dual fuel capability offers flexibility, the limited runtime at higher loads may require refueling during extended use. This generator is best for users prioritizing quiet operation and portability over raw power.
Pros:- Quiet operation suitable for residential environments
- Long runtime of up to 11 hours at 25% load
- Compact, lightweight design for portability
- Dual fuel flexibility for extended use
Cons:- Relatively heavy for some portability needs
- Noise level may be loud in very quiet settings
- Limited runtime at higher loads
Best for: Homeowners needing lightweight, quiet backup power for essentials or outdoor activities
Not ideal for: Large power requirements or running multiple heavy-duty appliances simultaneously
- Starting Wattage:4400W
- Rated Wattage:3600W
- Fuel Tank Capacity:1.6 gallons
- Runtime at 25% load:11 hours
- Engine:223cc 4-stroke
- Noise Level:76 dB
- Weight:61.29 lbs
- Dimensions:19.3 x 16.9 x 16.5 inches
Our verdict“Best for users who need a portable, quiet generator for small-scale power needs, but not for heavy-duty applications.”
Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor
The Westinghouse 6500 Watt Dual Fuel Portable Generator offers a balanced mix of power, runtime, and safety features. Its 274cc engine and 4.7-gallon tank enable up to 14.5 hours of operation, surpassing many competitors like the PowerSmart 4400-Watt. Its dual fuel capability adds versatility, and the inclusion of a CO sensor enhances safety during extended outdoor use. While it is heavier and bulkier, making transport less convenient, its multiple outlets—including RV and transfer switch options—make it suitable for emergency power or job sites. The complex setup might intimidate some users, but its long runtime and durability compensate for that. This generator excels for users needing extended, reliable power with safety features.
Pros:- Long runtime of up to 14.5 hours on a full tank
- Dual fuel flexibility with gas and propane
- Includes safety features like CO sensor
- Multiple outlets including RV and transfer switch-ready
Cons:- Heavy and less portable for frequent moving
- Setup can be complex for beginners
- Potential residual odors after testing
Best for: Homeowners or contractors seeking a durable, long-running dual fuel generator for prolonged outages or job sites
Not ideal for: Individuals who prioritize portability and lightweight design for frequent transport
- Gasoline Watts:6500 running / 5300
- Propane Watts:5800 running / 4800
- Fuel Tank Capacity:4.7 gallons
- Run Time:Up to 14.5 hours
- Engine:274cc 4-Stroke OHV
- Outlets:120V Duplex, RV-Ready TT-30R 30A, Transfer Switch L14-30R 30A
- Features:CO Sensor, Automatic Low Oil Shutdown, Fuel Gauge, Never-flat Wheels
Our verdict“Perfect for those who need extended runtime, safety, and dual fuel options for backup or worksite power.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start and Transfer Switch Ready
The DuroStar DS13000MX leads in raw power, delivering a robust 13,000 watts peak, making it ideal for whole-home backup or demanding job sites. Its all-metal construction and 500cc engine ensure durability, comparable to the Westinghouse 12500 Watt, but with even higher wattage. The electric start enhances ease of use, and its transfer switch-ready setup simplifies connection to home systems. The unit’s weight and size, however, make it less suited for frequent transport, and the high power output can be excessive for small or casual use. Regular maintenance is essential to keep it running at peak performance. This generator is best suited for users needing maximum power and durability for prolonged or heavy-duty applications.
Pros:- High peak wattage for whole-home or heavy equipment
- Electric start for easy operation
- All-metal, durable construction
- Transfer switch compatibility for seamless backup
Cons:- Very heavy and bulky, difficult to move
- Overkill for small power needs
- Requires regular maintenance to sustain performance
Best for: Homeowners with large power loads, contractors, or RV owners requiring maximum wattage and durability
Not ideal for: Users needing lightweight, portable units for short-term or occasional use
- Wattage:13,000 watts
- Fuel Type:Gasoline and Propane
- Engine Displacement:500cc
- Tank Volume:8.3 gallons
- Additional Features:Electric start, transfer switch ready, CO sensor
Our verdict“Best for users who need maximum, reliable power for large-scale or long-term backup scenarios, accepting the tradeoff of portability.”
Westinghouse 2550 Peak Watt Super Quiet & Lightweight Portable Inverter Generator, RV Ready, Gas and Propane Powered
This option stands out for its portability and quiet operation, making it ideal for RV travelers and outdoor enthusiasts who prioritize ease of transport and low noise. Compared with larger generators like the WEN 4750, it offers significantly less power but excels in weight and noise reduction, which is a key tradeoff. Its 42.4 lbs weight and 52 dBA noise level make it effortless to carry and operate in close quarters. However, its 2550 peak watts limit means it can’t run heavy appliances or multiple devices simultaneously, unlike larger models. The dual fuel capability provides extended runtime and flexibility, especially useful for camping or emergency power. This pick makes the most sense for users needing a lightweight, quiet backup for small appliances and electronics, not for powering heavy-duty tools or large appliances.Pros:- Extremely lightweight at only 42.4 lbs, easy to carry
- Quiet operation at 52 dBA, suitable for noise-sensitive environments
- Up to 12 hours runtime on a tank of fuel, ideal for prolonged outdoor use
- Multiple outlets including USB ports for versatile device charging
Cons:- Limited to 2550 peak watts, not suitable for large appliances
- Requires minimal assembly, which might be a hassle for some users
Best for: RV owners and outdoor enthusiasts needing portable, quiet power for small devices
Not ideal for: Homeowners needing to run large appliances or multiple heavy-duty tools simultaneously
- Peak Watts:2550
- Rated Watts:1900
- Weight:42.4 lbs
- Fuel Type:Gas and Propane
- Run Time:Up to 12 hours
- Noise Level:52 dBA
- Outlets:One RV TT-30R, Two 120V 20A, Two USB
- EPA Compliant:Yes
- Warranty:3-year limited
Our verdict“A top choice for RV travelers and outdoor users needing a lightweight, quiet, dual-fuel generator for small to medium loads.”
WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit
This generator makes the most sense for users who need substantial power and versatile fuel options, especially for emergency backup or work sites. Compared to the Champion 4000-watt inverter, it offers higher surge and running watts, but at the expense of increased weight and size, which impacts portability. Its 4-gallon tank supports up to 11 hours of runtime, suitable for longer outages or extended work shifts. The electric start simplifies operation, especially for those less comfortable with pull cords. The dual fuel capability provides flexibility in fuel choice, but switching between gasoline and propane can be manual and slightly cumbersome. This generator is best suited for those who prioritize raw power and durability over lightweight portability, such as contractors or homeowners with large appliances.Pros:- High power output with 4750 surge and 3800 running watts (gas)
- Electric start for quick, effortless operation
- Long runtime of up to 11 hours on a 4-gallon tank
- Includes wheel and handle kit for easier mobility
Cons:- Relatively heavy and bulky for frequent portability
- Manual switching between fuel types adds complexity
- Limited runtime at full load, less suited for prolonged use without refueling
Best for: Homeowners and contractors needing reliable, high wattage backup or job site power
Not ideal for: Outdoor adventurers or RV users seeking a lightweight, portable solution
- Power:4750 surge / 3800 running watts (gas), 4350 surge / 3500 running watts (propane)
- Voltage:120V/240V
- Engine:224cc 4-stroke OHV
- Tank Capacity:4 gallons
- Runtime:Up to 11 hours at half load
- Outlets:Two 120V GFCI, 120V/240V twist lock, 12V DC
Our verdict“Ideal for users who need a powerful, durable generator for home backup or job sites, less suited for portability-focused outdoor use.”
Champion Power Equipment 4000-Watt Dual Fuel RV Ready Portable Inverter Generator with Quiet Technology and 3-Year Warranty
This generator stands out for its dual fuel versatility and quiet operation, making it suitable for RV owners and outdoor adventurers who value safety and extended runtime. Compared with the WEN 4750, it operates more quietly at 64 dBA, which is beneficial in campgrounds and residential areas. Its long propane runtime of up to 25 hours offers extended power without refueling, while gasoline provides quicker start-up and higher surge capacity. The safety feature CO Shield adds peace of mind, especially when used in enclosed spaces. The need to purchase the parallel kit separately can be a minor inconvenience for users wanting to connect multiple units. This model suits those prioritizing quiet, safe, and efficient power, but it may fall short for users needing higher wattage or heavy-duty power.Pros:- Dual fuel capability provides flexibility and longer runtime
- Quiet operation at 64 dBA, ideal for noise-sensitive environments
- Up to 25 hours of runtime on propane for extended outdoor use
- Includes safety features like CO Shield for added security
Cons:- Parallel kit sold separately, adding extra cost
- Limited to 4000 watts, restricting heavy appliance use
- Some users find initial setup complex
Best for: RV owners and campers seeking quiet, safe, and efficient power for small to medium loads
Not ideal for: Users needing high wattage for large appliances or construction tools
- Power Output:4000 starting, 3000 running watts
- Fuel Type:Gasoline or propane
- Run Time:Up to 10 hours on gasoline, up to 25 hours on propane
- Noise Level:64 dBA at 23 feet
- Outlets:120V 25A TT-30R, 120V 20A duplex, 12V automotive, parallel
- Warranty:3 years
Our verdict“Best suited for RV travelers and campers who need reliable, quiet, dual-fuel power with extended runtime on propane, not for heavy-duty applications.”
WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog
This generator appeals to users who need clean, stable power for sensitive electronics and outdoor use, thanks to its inverter technology and safety features. Compared with the Champion 4000, it provides slightly less wattage but excels in noise levels and safety with its CO Watchdog sensor. Its dual fuel capability offers convenience, while the compact size supports portability for camping or small emergency setups. The inclusion of a fuel shut-off and quick-connector makes maintenance easier, but the absence of detailed weight and noise figures limits full comparison. This model is ideal for those prioritizing quiet operation, safety, and electronics protection but not for running heavy appliances or large power loads.Pros:- Quiet operation suitable for outdoor and RV environments
- Dual fuel flexibility offers longer runtime and convenience
- Built-in CO shutdown sensor enhances safety in enclosed spaces
- Multiple outlets including USB ports for versatile device charging
Cons:- Limited to 3600 surge watts, not ideal for heavy appliances
- Weight and size details are not specified, affecting portability assessment
- Price not provided, limiting value comparison
Best for: Campers and outdoor enthusiasts needing safe, quiet power for electronics and small devices
Not ideal for: Users requiring high wattage for heavy equipment or extensive backup power
- Power:3600 surge / 2900 rated watts
- Fuel Type:Gasoline, Propane
- Noise Level:Comparable to normal conversation
- Safety Features:CO Watchdog Shutdown Sensor
- Receptacles:Two 120V, one RV TT-30R, one 12V DC, two USB
- Warranty:3 years
Our verdict“A solid choice for campers and outdoor users needing safe, quiet, sensitive-electronics-friendly power, not for high-demand applications.”
Genkins 4500 Watt Dual Fuel Generator Propane & Gas
This generator makes the list for users seeking a robust, high-power unit capable of handling diverse appliances and tools in outdoor or emergency settings. Compared with the WEN 4750, it offers a similar power output but with a focus on portability, weighing 95 lbs, which is still manageable for a generator of this capacity. The 223cc engine ensures reliable performance, while the multiple outlets support various RV and job site devices. The 4-gallon tank limits runtime to about 6.5 hours at full load, which is shorter than some larger models but acceptable for short-term use. Its rugged design and dual fuel flexibility are strengths, but the weight and limited runtime at full capacity mean it’s less suited for extended, continuous power without frequent refueling.Pros:- High power output with 4500W peak, suitable for heavy loads
- Flexible dual fuel operation on gasoline and propane
- Portable design at 95 lbs, easier to move than larger units
- Multiple outlets compatible with RVs and tools
Cons:- Limited to about 6.5 hours of runtime at full load
- Heavy for frequent portability without assistance
- No detailed noise level information provided
Best for: Outdoor workers, small contractors, and emergency prep buyers needing reliable, portable high-power backup
Not ideal for: Users looking for lightweight, all-day outdoor generator with extended runtime
- Peak Power:4500W
- Rated Power:3600W
- Engine:223cc OHV 4-stroke
- Fuel Tank Capacity:4 gallons
- Run Time:Up to 6.5 hours at full load
- Weight:95 lbs
Our verdict“Best for outdoor workers and emergency users who need a rugged, high-capacity generator that can run on either fuel type but don’t require all-day runtime.”
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor
This model stands out for its impressive 4650 peak watts and 3600 rated watts, making it suitable for powering essential appliances during RV trips or outages. Its dual fuel capability offers flexible fueling options, which is a key advantage over smaller generators like the WEN 2800-Watt, especially when fuel availability varies. The inclusion of a CO sensor and automatic low oil shutdown enhances safety, a feature that even the more advanced Westinghouse 12500 Watt model doesn’t emphasize as much for portable use. The 4-gallon tank provides up to 14 hours of runtime, reducing refueling stops. Compared with smaller inverter options, this generator delivers more power for larger appliances while maintaining portability. The main tradeoff is its residual odor from factory testing and minimal assembly, which might bother sensitive users.
Pros:- High peak wattage suitable for multiple appliances
- Dual fuel flexibility for gas or propane
- Built-in CO sensor and safety features
- Long runtime of up to 14 hours
Cons:- Residual odor from factory testing
- Requires minimal assembly upon arrival
Best for: RVers, campers, or homeowners needing reliable backup power with flexibility in fuel sources
Not ideal for: Urban residents with limited storage space or those seeking a lightweight, ultra-portable unit
- Peak Watts:4650
- Rated Watts:3600 (Gasoline), 3240 (Propane)
- Fuel Tank Capacity:4 gallons
- Run Time:Up to 14 hours
- Engine:212cc Westinghouse 4-Stroke OHV
- Outlets:One 5-20R 120V, One TT-30R 30A, One L5-30R 30A
Our verdict“This generator is best suited for users who need reliable, versatile power with safety features, especially for RVing or backup use.”
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator
This unit is designed for demanding situations, offering a substantial 13,000 watts of power, making it capable of running an entire home during outages. Its all-metal construction and copper windings contribute to durability and reliability, setting it apart from smaller models like the WEN 3600-Watt inverter. The electric start and transfer switch-ready 50-amp outlet facilitate seamless connection to your home’s electrical system. However, its size and weight mean it’s less portable, and the cost is significantly higher than smaller generators, which might not be justified for occasional use. Maintenance could also be more involved due to its size and power output. Still, for those needing serious backup power, this generator provides unmatched capacity.
Pros:- Massive power output suitable for whole-house use
- Dual fuel flexibility for versatility
- Durable all-metal frame for longevity
- Transfer switch-ready 50A outlet
Cons:- Heavy and difficult to transport
- More expensive than smaller units
- Requires regular maintenance due to size
Best for: Homeowners seeking a robust generator capable of running entire households during extended outages
Not ideal for: Users with limited space or those needing a portable solution for camping or light use
- Power Output:13,000 watts
- Fuel Type:Gas & Propane
- Start Type:Electric start
- Outlets:Multiple, including transfer switch-ready 50 amp
- Construction:All-metal frame
Our verdict“This generator is best suited for homeowners who need high-capacity, reliable backup power and can manage its size and cost.”
Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start and CO Sensor
This generator delivers up to 12,500 peak watts and 9,500 running watts, making it a robust option for backup power. The remote electric start adds convenience, especially during emergencies when quick startup matters. Its large 6.6-gallon tank supports up to 12 hours of runtime, and the inclusion of a CO sensor maintains safety during extended use. Compared with the smaller Westinghouse 4650 model, this offers significantly more power but at the cost of increased weight and complexity. Its bulkiness and heavier build mean it’s less suitable for portable applications, but for those who prioritize power and ease of starting from a distance, it excels.
Pros:- High wattage for demanding appliances
- Remote electric start for quick operation
- Long runtime with large fuel tank
- Safety features like CO sensor
Cons:- Heavy and less portable
- Complex setup for first-time users
Best for: Homeowners requiring high wattage backup with remote start features for convenience
Not ideal for: Campers or mobile users needing lightweight, portable units
- Peak Watts:12500
- Running Watts:9500 (Gasoline), 8500 (Propane)
- Fuel Tank Capacity:6.6 gallons
- Run Time:Up to 12 hours
- Engine:457cc Westinghouse 4-Stroke OHV
- Outlets:GFCI 120V 5–20R, 120V L14-30R, 120/240V 14–50R
Our verdict“This generator is ideal for users needing high power output combined with remote start convenience, primarily for home backup.”
Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote Start
This inverter generator shines for its quiet operation at just 52 dBA, making it suitable for camping, RV trips, or as a home backup where noise matters. Its 4000 peak watts and 3300 rated watts deliver enough power for most small to medium appliances, and the dual fuel capability adds flexibility. The remote electric start and key fob make operation easy, while multiple outlets support various devices. Compared to larger or more powerful models like the Westinghouse 12500, this unit sacrifices some power for portability and ultra-quiet operation. The limited 7-hour runtime on a small 1.69-gallon tank is a tradeoff for its lightweight, portable design. It’s best for users prioritizing noise levels and ease of transport over extended runtime or high power demands.
Pros:- Exceptionally quiet at 52 dBA
- Dual fuel capability for flexibility
- Remote start with key fob for convenience
- Lightweight and portable
Cons:- Limited runtime of about 7 hours
- Small tank limits continuous use
Best for: Travelers, RV owners, or those needing a quiet backup generator
Not ideal for: Users with high power needs or long backup durations requiring larger tanks
- Peak Watts:4000
- Rated Watts:3300
- Fuel Type:Gas & Propane
- Noise Level:52 dBA
- Run Time:Up to 7 hours
- Tank Capacity:1.69 gallons
Our verdict“This generator is best suited for users seeking a quiet, portable power solution for travel or RV use, with moderate power needs.”
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator
This inverter generator offers a balanced combination of power and portability, with 6800 surge watts and 5100 running watts, suitable for RVs or emergency backup. Its dual fuel capability allows for flexible fueling, and safety features like a CO shutdown sensor add peace of mind. The inclusion of wheels and a telescoping handle makes it easier to move around despite its 224cc engine, which is more manageable than some larger units like the DuroMax XP13000EH. Its multiple outlets, including RV-ready TT-30R and USB ports, make it versatile for various devices. The main tradeoff is its weight and setup complexity, which might challenge first-time users. Still, this generator strikes a solid balance for those needing reliable power with portability.
Pros:- Dual fuel flexibility for gas or propane
- Automatic CO shutdown for safety
- Wheels and telescoping handle for portability
- Multiple outlets including USB
Cons:- Relatively heavy and bulky
- Initial setup may be complex for beginners
Best for: Campers, RV owners, or small business owners needing versatile backup power
Not ideal for: Heavy users requiring continuous runtime or those with limited space for transport
- Engine:224cc dual-fuel
- Surge Watts:6800
- Rated Watts:5100
- Fuel Tank Capacity:4 gallons
- Features:Fuel shutoff, CO watchdog sensor, wheels, telescoping handle
Our verdict“This generator is ideal for users seeking a reliable, portable power source with flexible fuel options for RVs or emergency situations.”

How We Picked
I evaluated each generator based on performance, build quality, ease of use, fuel efficiency, and value for money. Priority was given to models that balance power output with portability and safety features like CO sensors. I also considered user reviews and industry reputation to identify reliable brands. The ranking reflects a combination of maximum wattage, noise levels, fuel versatility, and additional features that enhance usability. This approach ensures recommendations suit a range of needs, from emergency backup to recreational use, while highlighting the tradeoffs inherent to each type of generator.| dual fuel generator | Run Time |
|---|---|
| Westinghouse 12500 Watt Dual F | Up to 12 hours |
| WEN 2800-Watt Dual Fuel Invert | — |
| PowerSmart 4400-Watt Dual Fuel | — |
| Westinghouse 6500 Watt Dual Fu | Up to 14.5 hours |
| DuroStar DS13000MX 13,000-Watt | — |
| Westinghouse 2550 Peak Watt Su | Up to 12 hours |
| WEN 4,750-Watt Dual Fuel Porta | — |
| Champion Power Equipment 4000- | Up to 10 hours on gasoline, up to 25 hours on propane |
| WEN 3600-Watt Dual Fuel Portab | — |
| Genkins 4500 Watt Dual Fuel Ge | Up to 6.5 hours at full load |
| Westinghouse 4650 Peak Watt Du | Up to 14 hours |
| DuroMax XP13000EH 13,000-Watt | — |
| Westinghouse 12500 Peak Watt D | Up to 12 hours |
| Westinghouse 4000 Peak Watt Su | Up to 7 hours |
| WEN 6800-Watt Dual Fuel RV-Rea | — |
Factors to Consider When Choosing Dual Fuel Generator
Choosing a dual fuel generator requires evaluating several key factors beyond just wattage. Understanding how size, noise, fuel type, and features impact real-world use helps prevent common pitfalls like overpaying for unnecessary capacity or buying a noisy model unsuitable for outdoor activities. The right generator balances power with portability and safety, tailored to your specific application. This guide covers the main considerations to help you find a model that meets your needs without surprises or compromises.Power Output and Size
Matching your generator’s wattage to your typical power load prevents overloads and inefficiencies. Larger units produce more power but tend to be heavier and less portable, making them less ideal for frequent transport. Conversely, small inverter models are perfect for lightweight needs but may lack sufficient wattage for heavy appliances. Assess your critical devices and choose a size that provides a safety margin, not just the bare minimum.
Noise Levels
Noise can be a major concern, especially for camping or outdoor use near neighbors. Inverter generators generally operate more quietly than open-frame models, but some still produce noise levels that may be disruptive. Consider your environment—if peace and quiet are priorities, invest in a model explicitly rated for low decibel output. Keep in mind that quieter models often come with a higher price tag and slightly reduced power capacity.
Fuel Type and Efficiency
The primary advantage of dual fuel systems is flexibility. Propane burns cleaner and can be stored longer, making it ideal for emergency supplies, while gasoline provides quick-start power. Some models perform better on one fuel type, influencing efficiency and runtime. Think about your storage options and whether you prefer the convenience of readily available gasoline or the longer shelf life of propane when making your choice.
Features and Safety
Additional features like remote start, CO sensors, and transfer switches enhance usability and safety, especially during extended use. CO sensors are especially important for indoor or enclosed spaces, alerting you to dangerous fumes. However, these features often come at a premium, so weigh their importance against your budget. Reliable warranties and customer support are also key indicators of a good investment.
Price and Value
Prices can range from budget-friendly to premium, often reflecting build quality, power output, and features. While it’s tempting to opt for the cheapest model, investing a bit more can secure better durability, quieter operation, and safety features. Consider your long-term needs and how often you’ll use the generator—sometimes paying more upfront results in savings over time through greater reliability and lower maintenance costs.
Frequently Asked Questions
Can I run my home appliances on a dual fuel generator?
Running home appliances depends on the generator’s wattage and the appliances’ power requirements. Most portable dual fuel generators are designed for smaller loads like refrigerators, lights, and electronics. For larger appliances like air conditioners or heaters, you’ll need a high-capacity model with sufficient wattage. Always check the starting and running wattage of your devices and compare them with the generator’s specs to ensure safe operation.
Is it safe to use a dual fuel generator indoors?
Using a dual fuel generator indoors is generally unsafe due to the risk of carbon monoxide buildup, which can be deadly. Always operate generators outdoors in well-ventilated areas, far from windows, doors, and vents. Features like CO sensors can help alert you to dangerous fumes if the generator is used nearby, but they are not substitutes for proper outdoor use. Safety should always come first when operating portable power sources.
How long can a dual fuel generator run on a tank of fuel?
Runtime varies widely depending on the generator’s size, load, and fuel type. Smaller inverter models may run for 8-12 hours on a tank of gasoline or propane, while larger open-frame units can last 10-20 hours under light loads. Always check the manufacturer’s specifications for estimated runtime at different load levels, and consider fuel availability and storage when planning extended use.
Are inverter dual fuel generators worth the extra cost?
Inverter generators tend to cost more but offer quieter operation, cleaner power suitable for sensitive electronics, and often better fuel efficiency. They are ideal for recreational use, RVs, and situations where noise and power quality matter. If your needs are primarily heavy-duty backup power for home appliances, a traditional open-frame generator might be more cost-effective. Weigh your specific use case against the benefits of inverter technology.
What maintenance is required for a dual fuel generator?
Regular maintenance includes checking and changing the oil, inspecting and replacing air filters, and ensuring fuel systems are clean. For propane models, periodic inspection of hoses and connections is essential. Run the generator periodically to keep components lubricated and to verify proper operation. Proper storage, especially of fuel, is vital to prevent deterioration and corrosion, prolonging the lifespan of your unit.
Conclusion
For those who need reliable power backup at home, the Westinghouse 12500 Watt Dual Fuel Portable Generator offers exceptional wattage and remote start features, making it the best overall choice. Budget-conscious buyers aiming for dependable performance on a tight budget should consider the WEN 2800-Watt Dual Fuel Inverter Generator, which balances cost and portability. For heavy-duty, long-term use, the DuroMax XP13000EH provides ample power with dual fuel flexibility, suited to serious users. Beginners or occasional campers will find the Westinghouse 2550 Peak Watt Super Quiet Portable Inverter ideal due to its ease of use and quiet operation. Overall, your pick depends on how much power you need, your budget, and your portability preferences.
















