When searching for a dual fuel generator, you’re looking for versatility and reliability. The best models offer the flexibility to run on gasoline or propane, ideal for emergency backup, camping, or job sites. The top pick, the Westinghouse 12500 Peak Watt Dual Fuel Portable Generator, stands out for its power and remote start features. However, tradeoffs include size and weight, which can impact portability. Smaller inverter options excel in quiet operation but may lack the raw power needed for larger appliances. Continue reading for a detailed breakdown of the best dual fuel generators tailored to different needs.
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Key Takeaways
- Top models balance power output with portability, with larger units suited for home backup and smaller ones for camping.
- Remote start and electric start features significantly enhance usability, especially during emergencies.
- CO sensors and safety features are common among high-end models, providing additional protection.
- Inverter technology offers quieter operation and cleaner power, but often at a higher cost.
- Price often correlates with power and feature set; buyers should prioritize their specific power needs over bells and whistles.
| Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Start and CO Sensor |  | Best for Heavy-Duty Home Backup and Outdoor Power | Peak Watts: 12500 | Running Watts: 9500 (Gasoline), 8500 (Propane) | Fuel Tank Capacity: 6.6 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for Extended Power Backup and Job Site Use | Peak Watts: 13500 | Running Watts: 10500 (Gasoline), 9500 (Propane) | Fuel Type: Gasoline, Propane, Natural Gas | VIEW ON AMAZON | See Our Full Breakdown |
| BILT HARD Dual Fuel Gas & Propane Powered Generator 4500W, RV Ready, Portable Outdoor Generator with CO Sensor |  | Best for RV Camping and Light Backup with Quiet Operation | Wattage: 4500 watts | Fuel Type: Gasoline & Propane | Tank Volume: 1.37 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 8000-Watt 120V/240V Dual Fuel Portable Generator with Electric Start and CO Watchdog |  | Best for Home, Jobsite, and Camping with Extended Runtime | Power Output: 8000 surge / 6500 rated watts | Engine: 340cc | Fuel Tank Capacity: 6.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with CO Watchdog |  | Best for Sensitive Electronics and RV Power | Engine: 224cc dual-fuel | Surge Watts: 6800 | Fuel Tank Capacity: 2.9 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start |  | Best Overall for Whole-Home Backup and Heavy-Duty Use | Power Output: 13,000 Watts | Fuel Type: Gasoline, Propane | Start Type: Electric Start | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for Large Homes and Extended Outdoor Power Needs | Peak Watts: 14,500 | Running Watts: 11,500 (gasoline), 10,500 (propane) | Fuel Tank Capacity: 9.5 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use |  | Best for Quiet, Portable Power with Versatile Outlets | Starting Watts (Gasoline): 3800 | Running Watts (Gasoline): 3300 | Starting Watts (Propane): 3500 | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 11,000-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit |  | Best for Portable Power with Mobility Features | Power: 11,000 surge / 8,300 running watts | Fuel Type: Gasoline and Propane | Tank Capacity: 6.6 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor |  | Best for Compact Home Backup with Safety Features | Gasoline Wattage: 6500 Watts | Propane Wattage: 5800 Watts | Fuel Tank Capacity: 4.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 2800-Watt Dual Fuel Inverter Generator |  | Best Compact and Safe for Sensitive Electronics | Power: 2800 surge watts, 2250 rated watts (gasoline); 2800 surge watts, 2000 rated watts (propane) | Fuel Type: Gasoline, Propane | Receptacles: Two 120V, one 12V DC, two USB ports | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start |  | Best for Medium Power Needs and Job Sites | Power: 4,750 surge watts / 3,800 running watts (gasoline); 4,350 surge / 3,500 running watts (propane) | Voltage: 120V/240V | Engine: 224cc 4-stroke OHV | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog |  | Best Quiet and Safe for Sensitive Electronics | Power: 3600 surge watts / 2900 rated watts (gasoline); 3500 surge / 2600 rated watts (propane) | Fuel Type: Gasoline and Propane | Noise Level: Extremely quiet | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for High Power Backup and Remote Operation | Peak Watts: 12500 | Running Watts: 9500 (Gasoline), 8500 (Propane) | Fuel Type: Gasoline, Propane | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 4800-Watt Dual Fuel Inverter Generator with Electric Start and CO Watchdog |  | Best for Quiet, Portable Power for Camping and Backup | Engine: 224cc dual-fuel engine | Surge Watts: 4800 | Runtime: up to 7 hours at half load | VIEW ON AMAZON | See Our Full Breakdown |
| dual fuel generator | Engine | Fuel Tank Capacity | Run Time | Fuel Type |
|---|---|---|---|---|
| Westinghouse 12500 Peak Watt D | 457cc Westinghouse 4-Stroke OHV | 6.6 gallons | Up to 12 hours | — |
| Westinghouse 13500 Peak Watt D | 500cc 4-Stroke OHV | 9.5 gallons | Up to 19 hours | Gasoline, Propane, Natural Gas |
| BILT HARD Dual Fuel Gas & Prop | 141 cc 4 Stroke | — | — | Gasoline & Propane |
| WEN 8000-Watt 120V/240V Dual F | 340cc | 6.7 gallons | Up to 10.5 hours | — |
| WEN 6800-Watt Dual Fuel RV-Rea | 224cc dual-fuel | 2.9 gallons | Up to 6.1 hours | — |
| DuroStar DS13000MX 13,000-Watt | — | — | — | Gasoline, Propane |
| Westinghouse 14500 Peak Watt D | 550cc 4-Stroke OHV | 9.5 gallons | Up to 19 hours | Gasoline and Propane |
| PowerSmart 3800 Watt Dual Fuel | — | 1.3 gallons | — | — |
| WEN 11,000-Watt Dual Fuel Port | 457cc 4-stroke OHV | — | — | Gasoline and Propane |
| Westinghouse 6500 Watt Dual Fu | 274cc 4-Stroke OHV | 4.7 gallons | Up to 14.5 hours | — |
| WEN 2800-Watt Dual Fuel Invert | — | — | — | Gasoline, Propane |
| WEN 4,750-Watt 120V/240V Dual | 224cc 4-stroke OHV | — | up to 11 hours at half load | — |
| WEN 3600-Watt Dual Fuel Portab | — | — | — | Gasoline and Propane |
| Westinghouse 12500 Watt Dual F | 457cc 4-stroke OHV | 6.6 gallons | up to 12 hours | Gasoline, Propane |
| WEN 4800-Watt Dual Fuel Invert | 224cc dual-fuel engine | — | — | — |
More Details on Our Top Picks
Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Start and CO Sensor
This model stands out for its impressive peak wattage and safety features, making it ideal for large home backup scenarios or demanding outdoor tasks. Compared to the WEN 8000-Watt generator, it offers significantly higher power capacity, but at the cost of increased weight and bulk, which can hinder portability. Its remote electric start adds convenience, especially during emergencies, while the integrated CO sensor enhances safety. The large 6.6-gallon tank provides up to 12 hours of runtime, suitable for extended outages or long outdoor events. However, its size and weight mean it’s less practical for frequent transport or smaller jobs. Residual odors from factory testing might also require some freshening before use.
Pros:- High peak wattage suitable for large appliances
- Remote electric start for quick ignition
- Built-in CO sensor enhances safety during operation
- Long runtime on a full tank
Cons:- Heavy and bulky, challenging to transport
- Potential residual odor from factory testing
Best for: Homeowners needing reliable, high-capacity backup power with safety features
Not ideal for: Campers or users requiring lightweight, portable units for frequent movement
- 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 best suited for those prioritizing high power and safety in stationary backup applications.”
Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
This pick makes the most sense for users who need substantial power and long runtimes, such as during extended outages or on construction sites. Compared to the Westinghouse 12500 model, it offers higher peak wattage and the added flexibility of natural gas compatibility, making it more suitable for permanent or semi-permanent installations. Its 500cc engine provides robust performance, and with up to 19 hours of runtime, it minimizes refueling interruptions. The remote electric start simplifies operation, especially in cold weather or for users with mobility issues. However, its weight and size mean it’s less portable, and the setup complexity may be daunting for beginners. The higher price reflects its advanced features and larger fuel capacity.
Pros:- High peak wattage with natural gas compatibility
- Long runtime of up to 19 hours on a full tank
- Remote electric start for convenience
- Multiple outlets including transfer switch ready
Cons:- Heavy and requires assistance to move
- More complex setup for beginners
Best for: Professionals or homeowners seeking a versatile, long-lasting backup with multiple fuel options
Not ideal for: Casual users or those with limited storage space due to its size and weight
- Peak Watts:13500
- Running Watts:10500 (Gasoline), 9500 (Propane)
- Fuel Type:Gasoline, Propane, Natural Gas
- Engine:500cc 4-Stroke OHV
- Run Time:Up to 19 hours
- Fuel Tank Capacity:9.5 gallons
Our verdict“This generator suits those needing high power, fuel flexibility, and extended runtime for serious backup or work site use.”
BILT HARD Dual Fuel Gas & Propane Powered Generator 4500W, RV Ready, Portable Outdoor Generator with CO Sensor
This generator excels in portability and quiet inverter operation, making it ideal for RVers, campers, or small-scale home backup. Compared with larger models like the Westinghouse 12500 or WEN 8000, it sacrifices some power for quieter, more manageable size and weight. Its 4500 startup wattage and 3500 running watts are sufficient for essential appliances but may struggle with heavy loads. The CO sensor adds safety during outdoor or enclosed use, and parallel capability allows for increased power if needed. Its runtime of around 13 hours on a single tank offers decent endurance for outdoor adventures but may be limiting for extended outages or demanding jobs.
Pros:- Quiet inverter design suitable for sensitive environments
- Dual-fuel flexibility with gasoline and propane
- Built-in CO sensor enhances safety
- Parallel capability for extra power
Cons:- Requires additional parallel kit (not included)
- Limited runtime of about 13 hours
Best for: Campers, RV owners, or small households requiring portable backup power
Not ideal for: Homes with high power needs or users requiring continuous, high-capacity backup
- Wattage:4500 watts
- Fuel Type:Gasoline & Propane
- Tank Volume:1.37 gallons
- Runtime:13 hours
- Engine:141 cc 4 Stroke
- Additional Features:CO Sensor, Parallel Capability
Our verdict“This generator is perfect for portable, quiet power needs like camping and RV use, but less suitable for large or prolonged backup scenarios.”
WEN 8000-Watt 120V/240V Dual Fuel Portable Generator with Electric Start and CO Watchdog
This generator offers a solid balance of power and features, making it suitable for home backup, construction sites, or outdoor events. Its 8000 surge watts and 6500 rated watts on gasoline are less than the Westinghouse 12500 or 13500 models but still capable of running most essential appliances. The electric start simplifies operation, and the large 6.7-gallon tank provides up to 10.5 hours of runtime at half load. Compared to inverter models like the WEN 6800, it provides more raw power but with less emphasis on clean, stable electricity for sensitive electronics. The CO Watchdog sensor adds safety. Its weight and size mean it’s less portable than smaller inverter units, but it strikes a good balance for multiple uses.
Pros:- Dual fuel capability for flexible fueling
- Electric start for convenience
- Long runtime with large fuel tank
- Multiple outlets including transfer switch-ready
Cons:- Heavy and bulky for portability
- Less suitable for sensitive electronics due to power quality
Best for: Homeowners or contractors needing reliable, high-capacity power with ease of use
Not ideal for: Users prioritizing ultra-portable units or sensitive electronics
- Power Output:8000 surge / 6500 rated watts
- Engine:340cc
- Fuel Tank Capacity:6.7 gallons
- Run Time:Up to 10.5 hours
- Outlets:Multiple including transfer switch-ready
- Safety Features:CO Watchdog sensor
Our verdict“This generator suits users requiring dependable power for home or work sites with straightforward operation.”
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with CO Watchdog
This inverter generator makes the list for its ability to produce clean, stable power ideal for sensitive electronics, a key advantage over larger conventional models like the Westinghouse 13500. Its 6800 surge watts and 6000 running watts on gasoline deliver enough power for most RV appliances, with the added benefit of quiet operation at 64 decibels. The dual-fuel system provides flexibility, and the electric start simplifies operation. The CO shutdown sensor adds safety, suitable for outdoor or semi-enclosed use. Its 2.9-gallon tank limits runtime to about 6 hours at half load, which is shorter than larger units but typical for inverter generators. Its portability and emphasis on power quality make it a preferred choice for RVers and campers, though less ideal for high-demand, long-duration backup needs.
Pros:- Produces clean, stable power safe for sensitive electronics
- Dual-fuel flexibility for convenience
- Quiet operation with CO shutdown safety
- Portable with wheels and telescoping handle
Cons:- Limited runtime of around 6 hours at half load
- No specified weight details for easier portability assessment
Best for: RV owners and campers needing clean, portable power for electronics and appliances
Not ideal for: Home users with high power demands or those needing extended runtime without refueling
- Engine:224cc dual-fuel
- Surge Watts:6800
- Fuel Tank Capacity:2.9 gallons
- Run Time:Up to 6.1 hours
- Noise Level:64 decibels
- Receptacles:L14-30R, three 120V, TT-30R, 12V DC, USB
Our verdict“This inverter generator is ideal for RVers and campers prioritizing safe, quiet power for electronics, but less suited for prolonged backup or high-demand scenarios.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start
The DuroStar DS13000MX stands out for its impressive power output, making it well-suited for whole-home backup and large job sites. Compared to the Westinghouse 14500 Peak Watt model, it offers similar dual fuel flexibility but with a slightly higher wattage capacity, providing a safety margin for demanding appliances. Its electric start simplifies operation, especially during emergencies, and the durable all-metal construction promises longevity in tough environments. However, its significant weight makes it less portable, and the higher price point may deter casual users. This generator is ideal for those who prioritize raw power, reliability, and don’t mind the bulk.
Pros:- High power output suitable for whole home backup
- Dual fuel capability offers flexibility and longer run times
- Electric start and intuitive control panel for ease of use
- All-metal construction for durability
Cons:- Heavy and difficult to move without assistance
- Higher cost compared to smaller or less powerful models
- Requires proper ventilation due to CO alert features
Best for: Homeowners seeking reliable, high-capacity backup power during outages or contractors needing a heavy-duty portable generator.
Not ideal for: Campers or outdoor enthusiasts who prefer lightweight, easily transportable units for occasional use.
- Power Output:13,000 Watts
- Fuel Type:Gasoline, Propane
- Start Type:Electric Start
- Transfer Switch Ready:Yes
- Outlet:50-Amp
- Construction:All-metal
Our verdict“This generator suits users who need serious power and durability, accepting its weight and cost tradeoffs.”
Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
The Westinghouse 14500 Peak Watt offers an exceptional combination of high power and convenience, making it ideal for large homes or extended outdoor projects. With a peak wattage of 14,500 on gasoline, it surpasses the WEN 11,000-Watt model in raw output, and its remote electric start adds a layer of convenience not found on many competitors. Its long runtime, up to 19 hours on a full tank, supports extended use without frequent refueling. On the downside, it is quite heavy, and its noisy operation may bother neighbors during outdoor use. This model makes the most sense for users who need maximum power and remote operation, accepting the higher noise level and weight.
Pros:- Very high peak wattage for demanding appliances
- Remote electric start for effortless operation
- Long runtime on a full tank supports extended use
- Dual fuel flexibility enhances versatility
Cons:- Heavy and less portable
- Can be noisy during operation
- Higher price point relative to smaller units
Best for: Large households or outdoor event organizers who need reliable, high-capacity power with remote start convenience.
Not ideal for: Lightweight campers or users seeking a portable, quiet generator for minimal or infrequent use.
- Peak Watts:14,500
- Running Watts:11,500 (gasoline), 10,500 (propane)
- Fuel Tank Capacity:9.5 gallons
- Run Time:Up to 19 hours
- Engine:550cc 4-Stroke OHV
- Fuel Type:Gasoline and Propane
Our verdict“Best suited for power users needing maximum wattage and remote start, tolerating its size and noise levels.”
PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use
The PowerSmart 3800 Watt inverter generator excels in quiet operation, making it ideal for camping, RV trips, or light home backup. Its 59 dBA noise level means you won’t disturb neighbors or campmates, and the long runtime—up to 24 hours on propane—adds to its appeal for extended outdoor use. Unlike larger, more powerful models like the Westinghouse 14500, this unit prioritizes portability and noise reduction over sheer wattage. Its multiple outlets, including USB ports, increase versatility. However, its limited runtime on gasoline, at around 8 hours at half load, may require frequent refueling during extended outages. This generator is perfect for users who value quiet operation and portability over maximum power.
Pros:- Quiet operation at 59 dBA, neighbor-friendly
- Dual fuel capability for flexible fuel choices
- Long runtime of up to 24 hours on propane
- Multiple outlets including USB ports for versatile device charging
Cons:- Limited runtime on gasoline at 8 hours under load
- Small fuel tank of 1.3 gallons limits how long it can run continuously
- Less suitable for high-demand applications
Best for: Campers, outdoor hobbyists, or small households needing quiet, portable backup power with multiple outlet options.
Not ideal for: Users with high power demands or large homes requiring substantial wattage for whole-house backup.
- Starting Watts (Gasoline):3800
- Running Watts (Gasoline):3300
- Starting Watts (Propane):3500
- Running Watts (Propane):3100
- Noise Level:59 dBA
- Fuel Tank Capacity:1.3 gallons
Our verdict“Ideal for users needing quiet, portable power for outdoor or light residential use, accepting limited wattage and runtime.”
WEN 11,000-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit
The WEN 11,000-Watt Dual Fuel Generator offers a practical balance between power and portability, especially with its included wheel kit. With a maximum of 11,000 surge watts and 8,300 running watts on gasoline, it’s capable of handling most home backup needs and job site demands. Its electric start simplifies operation, and multiple outlets support a variety of devices. Compared to the Westinghouse 14500, it provides slightly less wattage but benefits from easier transport and setup. Its 6.6-gallon tank supports about 8.5 hours at half load, which may require planning for refueling. This makes it suitable for users who need reliable power on the go but don’t want the bulk of larger models.
Pros:- Dual fuel capability for fuel flexibility
- Electric start for quick ignition
- Wheel kit for easy mobility
- Multiple outlets including twist lock and USB
Cons:- Heavy and bulky without assistance
- Limited runtime at full load
- Requires regular maintenance to stay reliable
Best for: Homeowners or contractors needing portable, easy-to-move power with decent wattage and multiple outlets.
Not ideal for: Heavy-duty or high-demand applications where maximum wattage and runtime are priorities.
- Power:11,000 surge / 8,300 running watts
- Fuel Type:Gasoline and Propane
- Tank Capacity:6.6 gallons
- Runtime:Up to 8.5 hours at half load
- Engine:457cc 4-stroke OHV
Our verdict“Best for portable power needs where mobility and ease of use are valued over maximum wattage capacity.”
Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor
The Westinghouse 6500 Watt strikes a balance between power and safety, making it suitable for smaller homes or RV use. Its dual fuel capability, providing up to 6,500 running watts on gasoline and comparable on propane, is less than larger units like the Westinghouse 14500 but still substantial for essential appliances. Its runtime of approximately 14.5 hours on a 4.7-gallon tank offers extended backup capacity. Notably, it includes safety features like a CO sensor and automatic low oil shutdown, which are critical for indoor or enclosed space operation. However, its weight and setup complexity might challenge users unfamiliar with portable generators. This model is ideal for those prioritizing safety and sufficient power in a more compact, manageable size.
Pros:- Dual fuel capability for versatility
- Long runtime of up to 14.5 hours
- Includes safety features like CO sensor and oil shutdown
- Transfer switch ready for seamless backup
Cons:- Weight may be heavy for some users
- Setup can be complex for beginners
- Limited wattage for larger appliances
Best for: Small households or RV owners seeking safe, reliable backup power with safety sensors and manageable size.
Not ideal for: Users needing high wattage for large appliances or demanding power tools, as this model’s capacity is more modest.
- Gasoline Wattage:6500 Watts
- Propane Wattage:5800 Watts
- Fuel Tank Capacity:4.7 gallons
- Run Time:Up to 14.5 hours
- Engine:274cc 4-Stroke OHV
Our verdict“Suitable for users wanting a compact, safe, and reliable backup generator for essential household needs, accepting moderate power capacity.”
WEN 2800-Watt Dual Fuel Inverter Generator
This inverter generator stands out for its portability and clean power output, making it ideal for camping or tailgating where space and noise are concerns. Compared with larger models like the Westinghouse 12500 Watt, it offers less raw power but excels in providing safe, stable electricity for sensitive devices. Its dual-fuel capability adds versatility, while the CO shutdown sensor enhances safety during use. However, its limited runtime on a single tank and higher noise levels at higher loads mean it’s less suited for extended power needs or noisy environments. This pick is perfect for users prioritizing portability and electronics safety over long-term power capacity.Pros:- Compact and lightweight design for easy transport
- Produces clean power safe for sensitive electronics
- Dual-fuel capability for flexibility
Cons:- Limited runtime on a single tank, restricting long use
- Can be noisy at higher loads, potentially disruptive
Best for: Individuals needing portable, quiet power for sensitive electronics during outdoor activities or small-scale backup use
Not ideal for: Homeowners or contractors requiring high wattage for large appliances or extended use, due to its limited runtime and power output
- Power:2800 surge watts, 2250 rated watts (gasoline); 2800 surge watts, 2000 rated watts (propane)
- Fuel Type:Gasoline, Propane
- Receptacles:Two 120V, one 12V DC, two USB ports
- Features:CO Watchdog Sensor, Fuel Shutoff
- Warranty:3 years
- Weight:Lightweight and portable
Our verdict“This inverter generator suits users needing portable, quiet, and safe power for electronics, but isn’t designed for extended or high-demand applications.”
WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start
This generator offers a robust power output suitable for various job sites or backup needs, with the convenience of electric start and dual-fuel flexibility. Compared to the smaller inverter options like the WEN 2800, it delivers significantly higher wattage, making it capable of running larger tools or appliances. Its 224cc engine and 11-hour runtime at half load provide dependable performance, but its heavier weight and complex setup may challenge those unfamiliar with portable generators. The two-year warranty is shorter than premium models like the Westinghouse WGen9500DF. This model is best for those needing reliable, high-power output without sacrificing fuel versatility.Pros:- High wattage output suitable for heavy-duty applications
- Electric start for ease of operation
- Long runtime of up to 11 hours at half load
Cons:- Relatively heavy, requiring effort to move
- Setup may be complex for beginners
Best for: Contractors or homeowners looking for a powerful, portable generator for construction or backup during outages
Not ideal for: Individuals seeking a lightweight, easy-to-move unit for occasional use or outdoor recreation due to its weight and setup complexity
- Power:4,750 surge watts / 3,800 running watts (gasoline); 4,350 surge / 3,500 running watts (propane)
- Voltage:120V/240V
- Engine:224cc 4-stroke OHV
- Tank Capacity:4 gallons
- Run Time:up to 11 hours at half load
- Features:Electric start, wheel kit, LPG connection hose
Our verdict“This generator delivers high power and flexibility for demanding tasks but may be overkill for casual or portable needs.”
WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog
This inverter generator combines quiet operation with dual-fuel versatility, making it ideal for noise-sensitive environments like camping or outdoor events. Its 3600 surge watts and 2900 rated watts on gasoline match small to medium power needs, while the propane option extends usability. Unlike larger portable units such as the Westinghouse WGen9500DF, it emphasizes quiet operation and safety features, including a CO shutdown sensor. The weight may be a concern for those needing maximum portability, and its runtime is limited to about 7 hours, which might not suit long power outages. This model is best for users prioritizing low noise levels and electronics safety over extended runtime or high wattage.Pros:- Extremely quiet operation, comparable to normal conversation
- Dual-fuel capability for flexibility
- Built-in safety features including CO shutdown sensor
Cons:- Heavier than some portable generators, affecting mobility
- Limited run time on a full tank, about 7 hours
Best for: Campers, tailgaters, or outdoor enthusiasts needing quiet, safe power for electronics
Not ideal for: Users requiring high wattage for large appliances or prolonged backup power, due to its limited runtime and weight
- Power:3600 surge watts / 2900 rated watts (gasoline); 3500 surge / 2600 rated watts (propane)
- Fuel Type:Gasoline and Propane
- Noise Level:Extremely quiet
- Features:CO Watchdog Shutdown Sensor, Fuel shut-off
- Outlets:Two 120V, one RV, one 12V DC, two USB
- Warranty:3 years
Our verdict“This inverter generator excels in quiet, safe power delivery for sensitive electronics but isn’t suited for long-term, high-demand power needs.”
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
This model offers massive power output suitable for whole-home backup or large job sites, with the convenience of remote electric start and a durable 457cc engine. Compared with smaller models like the WEN 4800-Watt, it provides significantly higher wattage and more outlets, including transfer switch compatibility. Its 12-hour runtime and remote operation make it highly convenient, but its considerable size and weight make it challenging to move without assistance. The higher price reflects its heavy-duty design and advanced features. This generator makes the most sense for those who need substantial, reliable power with remote operation for emergencies or construction.Pros:- Massive power output suitable for whole-house or large equipment
- Remote electric start for convenience
- Long runtime of up to 12 hours
Cons:- Heavy and bulky, difficult to transport
- Initial setup and assembly can be complex
Best for: Homeowners seeking high-capacity backup power or contractors requiring reliable, remote-start capability in demanding environments
Not ideal for: Individuals with limited storage space or those needing a portable, lightweight unit for recreational use, due to its bulk and weight
- Peak Watts:12500
- Running Watts:9500 (Gasoline), 8500 (Propane)
- Fuel Type:Gasoline, Propane
- Engine:457cc 4-stroke OHV
- Fuel Tank Capacity:6.6 gallons
- Run Time:up to 12 hours
- Outlets:Multiple including transfer switch and RV
Our verdict“This generator is ideal for high-demand backup or job site power, trading portability for massive capacity and remote operation.”
WEN 4800-Watt Dual Fuel Inverter Generator with Electric Start and CO Watchdog
This inverter generator emphasizes quiet, clean power, making it well-suited for camping, tailgating, or light backup needs. Its 4800 surge watts and 4300 rated watts on gasoline provide enough power for small appliances and electronics, with dual-fuel operation offering flexibility. The electric start adds convenience, while the CO watchdog sensor improves safety. Compared to larger models like the Westinghouse WGen9500DF, it’s more portable and quieter but offers less wattage and runtime, approximately 7 hours per tank. Its weight isn’t specified, but portability features like wheels and a telescoping handle make it manageable for most users. This model is best for those seeking a quiet, portable, and safe power source for lighter use.Pros:- Quiet operation suitable for noise-sensitive environments
- Dual-fuel flexibility
- Includes safety features like CO shutdown sensor
Cons:- Portability details are limited, weight not specified
- Limited runtime of about 7 hours at half load
Best for: Campers, tailgaters, or small-scale backup users prioritizing quiet, safe, and portable power
Not ideal for: People needing high wattage or long runtime for large appliances or extended outages, due to limited power and runtime
- Engine:224cc dual-fuel engine
- Surge Watts:4800
- Runtime:up to 7 hours at half load
- Noise Level:62 decibels at quarter load
- Receptacles:Four 120V, one RV, one 12V DC, two USB
- Warranty:3 years
Our verdict“This inverter generator offers quiet, safe, and portable power for light to medium needs but isn’t designed for long-term or high-demand applications.”
How We Picked
The products were selected based on a combination of power capacity, versatility, safety features, ease of use, and overall build quality. Priority was given to models that offer dual fuel capability with reliable operation, as well as those with user-friendly features like electric or remote start. We also considered safety enhancements such as CO sensors and transfer switch compatibility. The ranking reflects the balance between performance, value, and suitability for different use cases, from emergency backup to outdoor recreation.| dual fuel generator | Run Time | Fuel Type |
|---|---|---|
| Westinghouse 12500 Peak Watt D | Up to 12 hours | — |
| Westinghouse 13500 Peak Watt D | Up to 19 hours | Gasoline, Propane, Natural Gas |
| BILT HARD Dual Fuel Gas & Prop | — | Gasoline & Propane |
| WEN 8000-Watt 120V/240V Dual F | Up to 10.5 hours | — |
| WEN 6800-Watt Dual Fuel RV-Rea | Up to 6.1 hours | — |
| DuroStar DS13000MX 13,000-Watt | — | Gasoline, Propane |
| Westinghouse 14500 Peak Watt D | Up to 19 hours | Gasoline and Propane |
| PowerSmart 3800 Watt Dual Fuel | — | — |
| WEN 11,000-Watt Dual Fuel Port | — | Gasoline and Propane |
| Westinghouse 6500 Watt Dual Fu | Up to 14.5 hours | — |
| WEN 2800-Watt Dual Fuel Invert | — | Gasoline, Propane |
| WEN 4,750-Watt 120V/240V Dual | up to 11 hours at half load | — |
| WEN 3600-Watt Dual Fuel Portab | — | Gasoline and Propane |
| Westinghouse 12500 Watt Dual F | up to 12 hours | Gasoline, Propane |
| WEN 4800-Watt Dual Fuel Invert | — | — |
Factors to Consider When Choosing Dual Fuel Generator
Choosing the right dual fuel generator involves understanding your specific needs and weighing several key factors. Beyond raw power, consider usability, safety features, and fuel efficiency. A generator that’s too large may be cumbersome for portable use, while a smaller one might not meet your power demands. Safety features like CO sensors help prevent dangerous conditions, especially when running indoors or in enclosed spaces. Evaluating your typical load and intended use will help you select a model that offers the best balance of features and affordability.Power Capacity and Output
Assess your typical power needs by listing essential appliances and tools. Larger generators with higher wattage ratings are better suited for whole-home backup or running multiple heavy-duty devices. Inverter models generally provide lower wattage but are ideal for portable electronics and sensitive equipment. Matching your power requirements with the generator’s output ensures reliable operation without overloads. Remember, a generator with more capacity than needed can be less fuel-efficient and more cumbersome to transport.
Portability and Size
Portability varies widely among dual fuel generators, from compact inverter units to heavy, wheeled models. Smaller units are easier to transport and store but often have limited power. Larger models tend to be better for stationary backup but may require additional setup and handling. If you plan to move the generator frequently, prioritize those with wheels, handles, and a manageable weight. Conversely, for home use, size and weight may be less critical than overall power and features.
Safety Features and Convenience
Features like CO sensors, automatic shutoff, and transfer switch compatibility enhance safety and convenience. CO sensors are particularly important for indoor or semi-enclosed use, alerting you to dangerous gas levels. Electric or remote start capabilities make operation easier, especially during outages or outdoor use. Consider the ease of refueling and maintenance—models with accessible panels and clear instructions reduce hassle. Safety and user-friendly features can significantly improve your overall experience with the generator.
Fuel Efficiency and Runtime
Fuel efficiency impacts operational costs and runtime, especially during prolonged outages. Dual fuel models offer flexibility but can vary in how efficiently they use gasoline or propane. Larger tanks extend runtime but also increase size and weight. Some models include economy modes or advanced carburetors to optimize fuel consumption. Think about your typical power outage duration or outdoor activity and choose a model that can sustain your needs without frequent refueling.
Budget and Long-term Value
While initial cost is a consideration, investing in a reliable, feature-rich model can pay off over time through durability and performance. Cheaper models may lack essential safety features or have limited runtimes, leading to additional expenses or inconvenience. Conversely, premium models often include advanced features and longer warranties, reducing long-term maintenance costs. Evaluate your budget against your power needs to find the best balance of value and performance.
Frequently Asked Questions
Can I run my entire house on a dual fuel generator?
Running an entire house depends on the generator’s wattage capacity. Most portable dual fuel generators are intended for essential circuits rather than whole-home power. To power your entire house, you’d typically need a permanently installed generator with a transfer switch designed for whole-house backup. However, a high-capacity portable unit can run critical appliances and circuits if properly managed. Always check your home’s load requirements and consult a professional for installation and safety considerations.
Is it safe to run a dual fuel generator indoors?
Running a dual fuel generator indoors is generally unsafe due to the risk of carbon monoxide poisoning, even if the generator has safety features like CO sensors. These sensors can help detect dangerous levels but are not substitutes for proper ventilation. If indoor use is necessary, ensure the generator is in a well-ventilated area outside, far from windows and vents. Always follow manufacturer instructions and local safety regulations to prevent accidents and health hazards.
How long can a dual fuel generator run on a tank of fuel?
Runtime varies significantly depending on the generator’s wattage, load, and fuel type. Smaller inverter models may run for 8-12 hours on a full tank at a low load, while larger units with bigger tanks can operate for 10-20 hours or more. Higher loads reduce runtime. To maximize operational hours, consider models with larger fuel tanks or those with fuel efficiency features. Planning for refueling during extended outages is essential to maintain power supply.
Are inverter dual fuel generators more expensive than traditional models?
Inverter dual fuel generators generally cost more upfront than traditional open-frame models due to their advanced technology, quieter operation, and cleaner power output. However, their increased fuel efficiency and ability to power sensitive electronics can lead to savings over time. For users prioritizing portability, noise reduction, or cleaner power, the higher initial investment may be justified. Weigh these benefits against your specific needs and budget before making a choice.
What maintenance is required for dual fuel generators?
Regular maintenance includes checking and changing the oil, inspecting and replacing air filters, and cleaning or replacing spark plugs. Fuel systems should be drained or stabilized if the generator is stored for extended periods to prevent corrosion or clogging. Propane tanks require inspections for leaks and proper storage. Keeping the generator clean and ensuring spark arrestors and safety features are functioning will prolong its lifespan and ensure reliable operation when needed.
Conclusion
For most users, the Westinghouse 12500 Peak Watt Dual Fuel Portable Generator offers an excellent balance of power, features, and ease of use, making it the best overall choice. Budget-conscious buyers will find the WEN 2800-Watt Dual Fuel Inverter Generator provides reliable performance at a lower cost, ideal for camping or light backup. Those seeking premium features and longer runtimes should consider the Westinghouse 14500 Peak Watt Model, which combines high wattage with advanced safety. Beginners or occasional users benefit from compact inverter options, while professionals or large households should prioritize models with higher wattage and transfer switch capabilities. Clearly define your needs to select the model that best fits your situation.
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