Dual fuel generators offer the flexibility of running on both gasoline and propane, making them a popular choice for backup power, RV use, and outdoor activities. The best models provide high wattage, reliable starting, and safety features like CO sensors. Among the top options, the Westinghouse 14500 Peak Watt Generator stands out for its power and remote start, while the WEN 11,000-Watt Generator offers a robust balance of capacity and ease of use. However, choosing the right generator involves tradeoffs such as size, noise level, and fuel efficiency. Keep reading to see how these options compare and which one fits your needs best.
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Key Takeaways
- High-wattage models like the Westinghouse 14500 Peak Watt offer more power but tend to be larger and noisier.
- Inverter generators provide quieter operation and cleaner power, ideal for sensitive electronics.
- Remote start and transfer switch compatibility are common features on premium models, enhancing convenience and safety.
- Price often correlates with capacity and features—budget options might lack advanced safety sensors or remote start.
- Fuel versatility is a key benefit, but efficiency and run time vary significantly across models.
| Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor | ![]() | Best Overall Dual Fuel Generator | Peak Watts: 4650 | Rated Watts: 3600 (Gasoline), 3240 (Propane) | Fuel Tank Capacity: 4 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 11,000-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start | ![]() | Best for Heavy-Duty Backup and Job Sites | Surge Watts (Gasoline): 11,000 | Running Watts (Gasoline): 8,300 | Surge Watts (Propane): 9,500 | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator | ![]() | Best for Sensitive Electronics and RV Use | Engine: 224cc dual-fuel engine | Surge Watts (Gasoline): 6800 | Rated Watts (Gasoline): 5100 | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start | ![]() | Best for Heavy Power and Remote Operation | Peak Watts: 14,500 | Running Watts: 11,500 | Fuel Tank Capacity: 9.5 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| PowerSmart 4400W Dual Fuel Inverter Generator, Gas and Propane Portable Generator with 223cc Engine, 30A RV Ready, Auto Switch, EPA, CO Sensor, Parallel Ready, for Home and Outdoor Use | ![]() | Best Quiet and Compact Dual Fuel Inverter | Power: 4400W surge / 3600W rated (gas), 4000W surge / 3300W rated (LPG) | Engine: 223cc OHV 4-stroke | Fuel Tank Capacity: 1.6 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start | ![]() | Best Overall for Versatility and Balance | Power: 4,750 surge watts / 3,800 running watts (gasoline), 4,350 surge / 3,500 watts (propane) | Voltage: 120V/240V | Engine: 224cc 4-stroke OHV | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 2800-Watt Dual Fuel Inverter Generator, Portable and Quiet | ![]() | Best for Sensitive Electronics and Quiet Operation | 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 |
| Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor | ![]() | Best for Power and Safety for Backup Needs | Gasoline Wattage: 6500 Peak / 5300 Running Watts | Propane Wattage: 5800 Peak / 4800 Running Watts | Fuel Tank Capacity: 4.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 6600 Watt Dual Fuel Portable Generator with Remote Electric Start and Transfer Switch Ready | ![]() | Best for Convenience and Power in a Compact Package | Peak Watts: 6600 | Running Watts: 5300 | Fuel Tank Capacity: 4.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start and CO Sensor | ![]() | Best for Maximum Power and Remote Convenience | Peak Watts: 12500 | Running Watts: 9500 | Fuel Tank Capacity: 6.6 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Start | ![]() | Best Overall for High Power and Convenience | Peak Watts: 12500 | Running Watts: 9500 | Propane Peak Watts: 11200 | VIEW ON AMAZON | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Remote Electric Start | ![]() | Best for Heavy-Duty, All-Metal Construction | Power Output: 13,000 Watts | Fuel Type: Gasoline and Propane | Start Type: Remote Electric Start | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Start | ![]() | Best for Long Runtime and Safety Features | Peak Watts: 13500 | Running Watts: 10500 (Gasoline), 9500 (Propane) | Fuel Tank Capacity: 9.5 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator | ![]() | Best for Heavy-Duty, Weather-Resistant Power | Power Output: 13,000 watts | Fuel Type: Gas & Propane | Start Type: Electric start | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog | ![]() | Best for Quiet, Sensitive Electronics and Portability | Power: 3600 surge watts / 2900 rated watts (gasoline), 3500 surge watts / 2600 rated watts (propane) | Fuel Type: Gasoline, Propane | Noise Level: Extremely quiet | VIEW ON AMAZON | See Our Full Breakdown |
| dual fuel generator | Engine | Outlets | Fuel Tank Capacity | Run Time |
|---|---|---|---|---|
| Westinghouse 4650 Peak Watt Du | 212cc Westinghouse 4-Stroke OHV | One 5-20R 120V, one TT-30R 30A, one L5-30R 30A | 4 gallons | Up to 14 hours |
| WEN 11,000-Watt 120V/240V Dual | 457cc 4-stroke OHV | Four 120V GFCI, 120V/240V twist lock, 12V DC | — | Up to 8.5 hours |
| WEN 6800-Watt Dual Fuel RV-Rea | 224cc dual-fuel engine | — | — | — |
| Westinghouse 14500 Peak Watt D | 550cc 4-Stroke OHV | — | 9.5 gallons | — |
| PowerSmart 4400W Dual Fuel Inv | 223cc OHV 4-stroke | — | 1.6 gallons | — |
| WEN 4,750-Watt 120V/240V Dual | 224cc 4-stroke OHV | Two 120V GFCI, 120V/240V twist lock, 12V DC cigarette lighter | — | Up to 11 hours at half load |
| WEN 2800-Watt Dual Fuel Invert | — | — | — | — |
| Westinghouse 6500 Watt Dual Fu | 274 CC Westinghouse 4-Stroke OHV | One 5–20R 120V, One TT-30R 30A RV, One L14-30R 30A transfer switch | 4.7 gallons | Up to 14.5 hours |
| Westinghouse 6600 Watt Dual Fu | 274 CC Westinghouse 4-Stroke OHV | — | 4.7 gallons | Up to 14.5 hours |
| Westinghouse 12500 Peak Watt D | 457cc Westinghouse 4-Stroke OHV | GFCI 120V, 120V/240V, transfer switch compatible | 6.6 gallons | Up to 12 hours |
| Westinghouse 12500 Watt Dual F | 457cc Westinghouse 4-Stroke OHV | Two GFCI 120V 5-20R, 120V L14-30R, 120/240V 14–50R | 6.6 gallons | Up to 12 hours |
| DuroStar DS13000MX 13,000-Watt | — | — | — | — |
| Westinghouse 13500 Peak Watt D | 500cc Westinghouse 4-Stroke OHV | GFCI 120V 5-20R, 120V L14-30R, 120/240V 14–50R | 9.5 gallons | Up to 19 hours |
| DuroMax XP13000EH 13,000-Watt | — | Multiple including transfer switch-ready 50 amp | — | — |
| WEN 3600-Watt Dual Fuel Portab | — | Two 120V, one RV, one 12V DC, two USB | — | — |
More Details on Our Top Picks
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor
This Westinghouse model stands out for its solid combination of power and portability, making it a strong choice for those who need reliable backup power or RV use. Its 4650 peak watts and 3600 rated watts on gasoline are ample for most home and RV applications, and comparable to the WEN 11,000-Watt but in a more portable form. Its 4-gallon tank offers up to 14 hours of runtime, which is excellent for extended use without frequent refueling. The inclusion of safety features like a CO sensor and automatic low oil shutdown enhances user confidence. Unlike larger, heavier units, this generator is easier to handle, but it still requires some minimal assembly upon arrival. The main tradeoff is that residual fuel or oil odors from factory testing may linger, and it’s not designed for heavy industrial use. Overall, this model is perfect for weekend warriors, RV travelers, and homeowners seeking a dependable dual fuel unit.
Pros:- Powerful dual fuel capability with high wattage output
- Multiple outlets including RV-ready options
- Long runtime of up to 14 hours per tank
- Safety features like CO sensor and low oil shutdown
Cons:- May contain residual oil or fuel odor from factory testing
- Requires minimal assembly upon delivery
Best for: Families and RV owners who need a reliable, easy-to-use generator with a good balance of power and portability
Not ideal for: Heavy-duty construction sites or users requiring continuous high wattage for prolonged industrial work
- 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
- Safety Features:CO sensor, automatic low oil shutdown
- Warranty:3 years
Our verdict“This generator offers a well-rounded solution for RVers and homeowners needing dependable dual fuel power in a portable package.”
WEN 11,000-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start
The WEN 11,000-Watt generator excels in delivering high power for demanding applications, such as construction sites or large home backup. It’s notably more powerful than the Westinghouse 4650, making it suitable for running multiple heavy appliances simultaneously. Its 6.6-gallon tank supports up to 8.5 hours at half load, but the unit’s weight and size make it less convenient for frequent transport. The electric start simplifies operation compared to manual recoil models, yet the setup can be complex for users unfamiliar with large generators. Its multiple outlets, including a 50A twist lock, make it versatile. However, its bulkiness and lack of noise level details mean it’s not ideal for camping or neighborhood use. This model is best suited for users who prioritize raw power and have space to accommodate a larger, heavier generator.
Pros:- High surge and running watts for demanding loads
- Electric start for easier operation
- Multiple outlets including 50A twist lock
- Large fuel tank for extended runtime
Cons:- Heavy and bulky, difficult to maneuver
- Setup can be complex for beginners
- No noise level specified, may be loud
Best for: Contractors, large households, or those needing high wattage for extended periods in stationary setups
Not ideal for: Campers or homeowners seeking a quiet, lightweight unit for casual outdoor use
- Surge Watts (Gasoline):11,000
- Running Watts (Gasoline):8,300
- Surge Watts (Propane):9,500
- Running Watts (Propane):7,500
- Tank Capacity:6.6 gallons
- Run Time:Up to 8.5 hours
- Engine:457cc 4-stroke OHV
- Outlets:Four 120V GFCI, 120V/240V twist lock, 12V DC
Our verdict“This generator is ideal for professionals and large-scale backup needs where power and durability outweigh portability.”
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator
This inverter generator from WEN offers a compelling mix of power and safety features, making it a smart pick for RV owners and those protecting sensitive electronics. Its 6800 surge watts and 5100 rated watts outperform many smaller models like the PowerSmart 4400W, with added safety benefits such as a CO shutdown sensor and low THD for clean power. The fuel shutoff feature extends engine life and simplifies maintenance. While it’s heavier and bulkier than inverter models designed for portability, it remains a practical choice for RV setups or backup systems. Its price is higher than basic units, reflecting advanced safety and power quality features. Compared to larger, less portable options like the Westinghouse 14500, this inverter provides a more manageable size with enough power for most RV needs, though it’s not suited for industrial use.
Pros:- Powerful dual-fuel capability
- Includes safety features like CO shutdown sensor
- Multiple outlets including RV and USB ports
- Fuel shutoff for maintenance
Cons:- Relatively heavy and less portable
- Higher price point
- Complex setup for beginners
Best for: RV owners and campers needing clean, reliable power with safety features for sensitive electronics
Not ideal for: Heavy industrial work or users without assistance for moving heavier units
- Engine:224cc dual-fuel engine
- Surge Watts (Gasoline):6800
- Rated Watts (Gasoline):5100
- Surge Watts (Propane):6000
- Rated Watts (Propane):4500
- Fuel Shutoff:Yes
- CO Watchdog:Yes
- Warranty:3 years
Our verdict“This inverter generator is well-suited for RV travelers and those requiring clean, safe power for electronics in a portable form factor.”
Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
This Westinghouse model provides impressive power output with up to 14,500 peak watts, making it suitable for large home backup, RVs, or construction sites. Its remote electric start adds convenience, especially during outages or when the generator is placed out of reach. Compared to the WEN 11,000-Watt, it offers significantly higher wattage, but at the cost of increased weight and size, which reduces portability. Its large 9.5-gallon fuel tank supports up to 19 hours of runtime, ideal for extended use without frequent refueling. The unit’s low THD ensures safe operation for sensitive electronics, and the transfer switch compatibility makes it a favorite for home backup. However, the size and weight mean it’s less suitable for casual camping or frequent transport. It’s best for those needing high power and remote operation capabilities.
Pros:- High peak and running wattage for demanding loads
- Remote electric start for convenience
- Large fuel tank for extended runtime
- Low THD for sensitive electronics
Cons:- Heavy and bulky, difficult to move
- Requires more space for storage
- Price may be higher than smaller units
Best for: Homeowners seeking a high-capacity backup with remote start or professionals needing reliable power on job sites
Not ideal for: Campers or users requiring lightweight, portable units for outdoor recreation
- Peak Watts:14,500
- Running Watts:11,500
- Fuel Tank Capacity:9.5 gallons
- Runtime:Up to 19 hours
- Engine:550cc 4-Stroke OHV
- Start Type:Remote Electric Start
- Low THD:Yes
Our verdict“This generator is designed for users who require high power output and remote operation, with less emphasis on portability.”
PowerSmart 4400W Dual Fuel Inverter Generator, Gas and Propane Portable Generator with 223cc Engine, 30A RV Ready, Auto Switch, EPA, CO Sensor, Parallel Ready, for Home and Outdoor Use
The PowerSmart 4400W inverter generator combines quiet operation with versatile dual fuel capability, making it ideal for outdoor activities, camping, and home backup. Its 76 dB noise level is notably lower than larger, less efficient models like the Westinghouse 14500, providing a more neighbor-friendly experience. Its 223cc engine offers enough power for typical appliances and RV needs, with a runtime of up to 11 hours at 25% load. The safety features, including CO detection and overload protection, add peace of mind. While it’s lighter at 65 lbs and more portable, it limits continuous loads to around 2800W, not suitable for high-power tools or appliances. Its auto switch and parallel capability expand flexibility, but the smaller fuel tank means more frequent refueling during extended use. This makes it perfect for those prioritizing quiet, portable power for moderate loads.
Pros:- Quiet operation at 76 dB, neighbor-friendly
- Dual fuel capability for flexibility
- Lightweight and portable at 65 lbs
- Parallel ready and RV 30A outlet
Cons:- Limited to around 2800W continuous load
- Fuel runtime can vary with load
- Smaller fuel tank requires more frequent refueling
Best for: Campers, small households, and outdoor enthusiasts needing quiet, portable power
Not ideal for: Heavy-duty users or those needing high continuous wattage for industrial applications
- Power:4400W surge / 3600W rated (gas), 4000W surge / 3300W rated (LPG)
- Engine:223cc OHV 4-stroke
- Fuel Tank Capacity:1.6 gallons
- Runtime:Up to 11 hours
- Noise Level:76 dB
- Weight:65 lbs
- Additional Features:Parallel ready, RV 30A outlet, auto switch
Our verdict“This inverter generator offers a quiet, portable solution for outdoor recreation and light home backup with dual fuel convenience.”
WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start
This WEN model stands out for combining dual fuel flexibility with ease of use, thanks to its electric start and included wheel kit. Compared with the WEN 2800-Watt inverter, it offers more power for larger appliances, but at the cost of increased weight and reduced portability. The 224cc engine and up to 11 hours of runtime at half load make it suitable for backup power, yet its bulkier size can challenge users needing lightweight options. The multiple outlets, including GFCI and twist lock, add to its versatility for different devices. This generator balances power, convenience, and affordability, making it a strong choice for most users. However, its weight and the lack of noise level info are considerations. Best for homeowners needing reliable backup power with occasional outdoor use.
Pros:- Dual fuel capability for fuel flexibility
- Electric start simplifies operation
- Up to 11 hours runtime at half load
- Multiple outlets for various devices
Cons:- Relatively heavy, may need assistance to move
- Limited runtime at full load
- No noise level specification
Best for: Families or small businesses seeking a reliable dual fuel generator with good runtime and ease of operation
Not ideal for: Users prioritizing portability above all, or those requiring ultra-quiet operation for sensitive environments
- Power:4,750 surge watts / 3,800 running watts (gasoline), 4,350 surge / 3,500 watts (propane)
- Voltage:120V/240V
- Engine:224cc 4-stroke OHV
- Tank Capacity:4 gallons
- Run Time:Up to 11 hours at half load
- Outlets:Two 120V GFCI, 120V/240V twist lock, 12V DC cigarette lighter
Our verdict“This model offers a well-rounded mix of power, convenience, and value for homeowners and outdoor enthusiasts who need a versatile backup generator.”
WEN 2800-Watt Dual Fuel Inverter Generator, Portable and Quiet
This inverter generator is designed for users who need clean, stable power on the go, making it ideal for camping, RVs, or delicate electronics. Its ability to run on both gasoline and propane offers flexibility, similar to the Westinghouse 6600 Watt, but with a focus on quieter operation and cleaner power output. The inclusion of a CO shutdown sensor enhances safety, particularly when used in enclosed spaces. The 2800 surge and 2250 rated watts are enough for small appliances and electronics, but fall short compared to larger models like the Westinghouse 12500 Watt, limiting its use for heavy-duty power needs. This pick makes sense for those prioritizing portability and sensitive equipment. Still, it may be underpowered for larger loads and slightly heavier than other inverter options. Best suited for campers, tailgaters, or small backup needs where noise and power quality matter most.
Pros:- Runs on both gasoline and propane for flexibility
- Produces clean power safe for sensitive electronics
- Includes safety features like CO shutdown sensor
- Lightweight for an inverter generator
Cons:- Limited to 2800 surge watts, restricting larger loads
- Still somewhat heavy for frequent transport
- Less suitable for high-power appliances
Best for: Outdoor enthusiasts or small-scale backup users needing quiet, clean power for electronics and small appliances
Not ideal for: Users needing to power large appliances or requiring high wattage for substantial tools
- 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
- Safety:CO Watchdog sensor
- Warranty:3 years
Our verdict“This inverter generator excels for quiet, clean power on a small scale, perfect for sensitive electronics and outdoor recreation.”
Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor
This Westinghouse model offers a strong balance of power and safety features, making it suitable for backup power in homes and RVs. Its 5300 running watts on gasoline and 4800 on propane are ample for most household essentials, especially compared to the WEN 4,750 model. The long runtime of up to 14.5 hours, combined with the included transfer switch and a built-in CO sensor, makes it a clear choice for those prioritizing continuous, safe operation. However, its weight and size are drawbacks for portability, especially when compared with smaller inverter models like the WEN 2800. The initial setup can also be somewhat complex for new users, and high fuel consumption at peak wattage could be a concern. This generator is ideal for reliable backup power with added safety. It may be overkill for casual outdoor use or those needing lightweight portability. Best for homeowners seeking a robust, safe, and long-lasting backup solution.
Pros:- Powerful dual fuel capability for flexibility
- Long runtime of up to 14.5 hours
- Includes transfer switch and CO sensor for safety
- Adequate power for most household essentials
Cons:- Heavy and less portable
- High fuel consumption at peak wattage
- Initial setup complexity
Best for: Homeowners or small business owners needing dependable backup power with safety features and transfer switch capability
Not ideal for: Users needing ultra-lightweight, portable power for outdoor activities or minimal setup
- Gasoline Wattage:6500 Peak / 5300 Running Watts
- Propane Wattage:5800 Peak / 4800 Running Watts
- Fuel Tank Capacity:4.7 gallons
- Run Time:Up to 14.5 hours
- Engine:274 CC Westinghouse 4-Stroke OHV
- Outlets:One 5–20R 120V, One TT-30R 30A RV, One L14-30R 30A transfer switch
Our verdict“This generator offers a dependable, safe backup power source suited for home use, especially where long runtime and safety are priorities.”
Westinghouse 6600 Watt Dual Fuel Portable Generator with Remote Electric Start and Transfer Switch Ready
This Westinghouse model emphasizes user convenience with remote electric start and transfer switch readiness, making it ideal for those who value quick startup and seamless power transfer. Its 6600 peak and 5300 running watts on gasoline match the capabilities of larger models like the Westinghouse 12500 Watt, but in a more portable form. The 4.7-gallon tank supports up to 14.5 hours of runtime, and safety features like a CO sensor enhance its appeal. Compared with the WEN 4,750, it provides significantly more power and remote operation but is still manageable in weight for occasional transport. Still, some users report that factory testing can leave residual odors, and its size may be a concern for very frequent travel. This generator suits users who want power, safety, and remote start in a more portable form. It might be less ideal for those needing ultra-lightweight equipment. Best for homeowners and RVers seeking reliable, remote-start backup power.
Pros:- Powerful dual fuel operation with high wattage
- Remote electric start with key fob
- Includes transfer switch compatibility
- Long runtime of up to 14.5 hours
Cons:- Residual odors from factory testing
- Relatively heavy and bulky for frequent transport
- Potential setup complexity
Best for: Homeowners or RV users wanting high wattage with remote start and transfer switch features in a portable package
Not ideal for: People who need a lightweight or ultra-compact generator for frequent travel or tight storage spaces
- Peak Watts:6600
- Running Watts:5300
- Fuel Tank Capacity:4.7 gallons
- Run Time:Up to 14.5 hours
- Engine:274 CC Westinghouse 4-Stroke OHV
- Features:Remote electric start, transfer switch ready, CO sensor
Our verdict“This generator combines power, convenience, and safety features, making it ideal for users who want quick startup and reliable backup power without excessive weight.”
Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start and CO Sensor
This Westinghouse model offers the highest power among the lineup, making it suitable for demanding backup needs or heavy outdoor use. Its 12,500 peak watts and 9,500 running watts on gasoline dwarf smaller options like the WEN 4,750, but with added weight and size. The remote start feature and transfer switch compatibility simplify operation during emergencies. The 6.6-gallon tank provides roughly 12 hours of runtime at moderate loads, but the high wattage consumption can increase fuel use. The safety features, including a CO sensor, are standard. Its size and weight make it less ideal for frequent mobility, yet it excels in providing peace of mind for continuous power needs. This generator is best for those who need maximum power with remote operation in a semi-permanent setup. It might be overkill for casual outdoor use or lightweight applications. Best for large households, small businesses, or emergency preparedness where high wattage and remote start matter most.
Pros:- Unmatched high wattage output for demanding loads
- Remote electric start for convenience
- Includes transfer switch and CO sensor
- Long runtime with large fuel tank
Cons:- Very heavy and less portable
- Higher fuel consumption at peak loads
- Costlier than smaller models
Best for: Homeowners or businesses requiring maximum wattage with remote start and safety features for backup or industrial use
Not ideal for: Those seeking a portable or lightweight generator for frequent outdoor trips
- Peak Watts:12500
- Running Watts:9500
- Fuel Tank Capacity:6.6 gallons
- Run Time:Up to 12 hours
- Engine:457cc Westinghouse 4-Stroke OHV
- Outlets:GFCI 120V, 120V/240V, transfer switch compatible
Our verdict“This generator suits those who need maximum power capacity coupled with remote operation and safety, primarily for semi-permanent setups or backup scenarios.”
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Start
This Westinghouse model stands out for its impressive 12,500 peak watts and 9,500 running watts on gasoline, making it ideal for powering large appliances or whole-home backup. Compared to the smaller WEN 2800-Watt inverter, it offers significantly higher wattage, though it lacks detailed noise level info and is likely heavier. The remote electric start and multiple outlets—including RV-ready and transfer switch compatibility—add convenience, while the included accessories and 3-year warranty enhance value. The main tradeoff is its unspecified weight and size, which could challenge portability, especially for those needing a lightweight option.
Pros:- High wattage output suitable for large appliances
- Remote electric start for easy operation
- Multiple versatile outlets including RV and transfer switch ready
- Includes accessories and a 3-year warranty
Cons:- Weight and dimensions are not specified, possibly heavy
- Fuel consumption details are missing, making runtime estimation difficult
- No noise level information provided
Best for: Homeowners needing reliable, high-capacity backup power with remote start features
Not ideal for: Campers or tailgaters seeking a lightweight, easily portable generator
- Peak Watts:12500
- Running Watts:9500
- Propane Peak Watts:11200
- Propane Running Watts:8500
- Fuel Tank Capacity:6.6 gallons
- Run Time:Up to 12 hours
- Engine:457cc Westinghouse 4-Stroke OHV
- Outlets:Two GFCI 120V 5-20R, 120V L14-30R, 120/240V 14–50R
- Warranty:3 years
Our verdict“This generator is best suited for those needing substantial power and remote start convenience, with less concern for portability.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Remote Electric Start
The DuroStar DS13000MX is tailored for users who need robust, long-lasting power, offering 13,000 watts and a durable all-metal build that surpasses the more portable WEN 6800-Watt inverter for sheer capacity. Its electric start and dual fuel flexibility provide ease of use and extended runtime options, but it is notably heavy and bulky, which could complicate transportation or storage. The high wattage makes it suitable for whole-house backup or job sites, yet its size and weight are tradeoffs that might deter those looking for lighter, more manageable units.
Pros:- Powerful 13,000-watt output for whole-home backup or heavy-duty tasks
- Dual fuel capability adds flexibility and extended runtime
- Electric start simplifies operation
- All-metal construction ensures durability
Cons:- Heavy and difficult to move without assistance
- Large size requires significant storage space
- Potentially high noise level during operation
Best for: Contractors, large households, or emergency prepper needing high wattage and durability
Not ideal for: Campers or tailgaters requiring portability and quiet operation
- Power Output:13,000 Watts
- Fuel Type:Gasoline and Propane
- Start Type:Remote Electric Start
- Transfer Switch Ready:Yes
- Outlet:50-Amp
- Construction:All-metal
Our verdict“This generator excels for demanding applications where power and durability outweigh portability concerns.”
Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Start
This Westinghouse model offers a substantial 13,500 peak watts and 10,500 running watts on gasoline, with an impressive runtime of up to 19 hours—making it ideal for extended backup needs. Compared to the DuroMax XP13000EH, it provides longer operation time, but it does not specify weight or noise levels, which could impact portability and outdoor use. Its safety features like low oil shutdown and CO detection elevate its reliability, while multiple outlets—including RV and transfer switch compatibility—add versatility. The main consideration is that it may require minimal assembly and could be heavy, limiting ease of movement.
Pros:- Exceptional runtime of up to 19 hours on a full tank
- Remote start for hassle-free operation
- Multiple outlet options including RV and transfer switch ready
- Safety features like CO detection enhance reliability
Cons:- Weight and portability details are not specified
- Potential residual odor from factory testing
- Requires some assembly upon delivery
Best for: Homeowners seeking extended runtime and safety for emergency power backup
Not ideal for: Individuals needing lightweight, easily portable generators for outdoor events
- Peak Watts:13500
- Running Watts:10500 (Gasoline), 9500 (Propane)
- Fuel Tank Capacity:9.5 gallons
- Run Time:Up to 19 hours
- Engine:500cc Westinghouse 4-Stroke OHV
- Outlets:GFCI 120V 5-20R, 120V L14-30R, 120/240V 14–50R
- Warranty:3-year limited coverage
Our verdict“Ideal for users prioritizing long runtime and safety features over portability concerns.”
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator
The DuroMax XP13000EH is engineered for tough environments, providing 13,000 watts with dual fuel versatility and a weather-resistant, heavy-duty all-metal frame. Compared to the Westinghouse 13500, it offers similar power but emphasizes rugged construction for outdoor or severe weather use. Its electric start and transfer switch-ready outlets enhance convenience, but its weight and size make it less suitable for frequent transport. This model is a strong choice for those needing dependable, heavy-duty power in challenging conditions, though it sacrifices portability for durability.
Pros:- Robust 13,000-watt output for demanding tasks
- Weather-resistant, durable all-metal construction
- Dual fuel capability for extended use
- Transfer switch-ready outlets for easy connection
Cons:- Heavy and difficult to move frequently
- Large size requires significant storage space
- Potentially high cost compared to smaller models
Best for: Emergency prep, outdoor job sites, or severe weather scenarios requiring durable power
Not ideal for: Casual campers or users who prioritize lightweight equipment for portability
- Power Output:13,000 watts
- Fuel Type:Gas & Propane
- Start Type:Electric start
- Outlets:Multiple including transfer switch-ready 50 amp
- Construction:Heavy-duty all-metal
- Winding Material:100% Copper
Our verdict“This generator is ideal for those who need rugged, reliable power in tough environments and do not mind its size and weight.”
WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog
This WEN inverter generator offers 3600 surge watts and 2900 rated watts on gasoline, with a slightly higher output on propane. It excels in delivering clean power suitable for sensitive electronics, with an extremely quiet operation that makes it perfect for camping, tailgating, or light outdoor use. Its CO Watchdog safety sensor adds peace of mind, especially in enclosed spaces. Compared to the larger, more powerful options like the Westinghouse 13500, this unit is much more portable and quieter, but it cannot power high-demand appliances or multiple large devices simultaneously. Its limited power output is the key tradeoff for its portability and quiet operation.
Pros:- Quiet operation suitable for sensitive electronics
- Dual fuel capability with gasoline and propane
- Built-in CO shutdown sensor for safety
- Lightweight and portable design
Cons:- Limited to 3600 surge watts, restricting heavy appliance use
- Weight not specified but likely heavier than smaller inverter models
- Price not provided, potentially higher for inverter technology
Best for: Campers, RV owners, or outdoor enthusiasts needing quiet, portable power for electronics
Not ideal for: Homes or job sites requiring high wattage or powering multiple heavy appliances
- Power:3600 surge watts / 2900 rated watts (gasoline), 3500 surge watts / 2600 rated watts (propane)
- Fuel Type:Gasoline, Propane
- Noise Level:Extremely quiet
- Safety Features:CO Watchdog Shutdown Sensor
- Outlets:Two 120V, one RV, one 12V DC, two USB
- Additional Features:Fuel shut-off, LPG quick-connector, three-year warranty
Our verdict“Perfect for those needing portable, quiet power for electronics and outdoor use, with limited capacity for high-demand appliances.”

How We Picked
I evaluated these dual fuel generators based on performance, build quality, usability, safety features, and value for the price. Priority was given to models with reliable power output, ease of starting, and durable construction suitable for home backup or RV use. I also considered safety features like CO sensors, noise levels, and fuel efficiency. The ranking reflects a balance between capacity, features, and affordability, ensuring options for different user needs—from beginners to seasoned prepper consumers.| dual fuel generator | Run Time |
|---|---|
| Westinghouse 4650 Peak Watt Du | Up to 14 hours |
| WEN 11,000-Watt 120V/240V Dual | Up to 8.5 hours |
| WEN 6800-Watt Dual Fuel RV-Rea | — |
| Westinghouse 14500 Peak Watt D | — |
| PowerSmart 4400W Dual Fuel Inv | — |
| WEN 4,750-Watt 120V/240V Dual | Up to 11 hours at half load |
| WEN 2800-Watt Dual Fuel Invert | — |
| Westinghouse 6500 Watt Dual Fu | Up to 14.5 hours |
| Westinghouse 6600 Watt Dual Fu | Up to 14.5 hours |
| Westinghouse 12500 Peak Watt D | Up to 12 hours |
| Westinghouse 12500 Watt Dual F | Up to 12 hours |
| DuroStar DS13000MX 13,000-Watt | — |
| Westinghouse 13500 Peak Watt D | Up to 19 hours |
| DuroMax XP13000EH 13,000-Watt | — |
| WEN 3600-Watt Dual Fuel Portab | — |
Factors to Consider When Choosing Dual Fuel Generators
When selecting a dual fuel generator, understanding key factors helps you choose the best model for your specific needs. Size and wattage determine whether the generator can handle your essential appliances or entire home. Consider how portable you need it—larger units offer more power but are less convenient to move. Safety features like CO sensors and transfer switches add peace of mind, especially for home backup. Additionally, fuel efficiency, noise levels, and maintenance requirements can influence long-term satisfaction and cost. Making an informed decision involves weighing these aspects against your budget and intended use.Power Capacity and Size
Choosing the right wattage is critical; larger homes or RV setups require higher capacity, often above 10,000 watts. Smaller models suit outdoor camping or emergency use with lower power needs. Keep in mind that more capacity usually means a heavier, bulkier generator, which can limit portability. For frequent use, consider models with a good balance of power and weight, especially if you need to move the generator often. Overestimating your needs can lead to unnecessary expense and size, while underestimating risks insufficient power during outages.
Ease of Use and Starting Mechanisms
Features like electric or remote start can significantly reduce hassle, especially during emergencies or cold weather. Manual pull-start models are basic but may be less convenient, while electric start generators typically offer faster, more reliable startup. Some models include push-button remote start, which is a boon for frequent use or for users with mobility issues. Consider the durability of these starting systems and whether maintenance or battery replacement might be needed over time.
Safety Features
Safety features such as carbon monoxide sensors, transfer switches, and overload protection are vital, especially for home backup scenarios. CO sensors automatically shut down the generator if dangerous levels are detected, preventing poisoning. Transfer switches simplify connecting the generator to your home wiring, making power transfer safer and more efficient. Evaluating these features ensures you get a model that prioritizes safety without sacrificing performance, but be aware that added safety features often increase initial cost.
Fuel Efficiency and Runtime
Longer run times and fuel efficiency translate into fewer refueling stops and lower operating costs. Propane tends to burn cleaner and last longer but may require special adapters or tanks. Gasoline offers quick refueling but may degrade faster over time. Check the generator’s fuel consumption ratings and tank size—larger tanks provide longer runtime but add weight. For emergency use, a model with extended run time is more reliable, yet it might be bulkier or more expensive.
Noise Levels and Portability
Inverter models generally operate more quietly, making them suitable for camping, outdoor events, or residential areas. Larger open-frame generators tend to be noisier, which can be disruptive but often offer higher wattage. Portability depends on weight and handle design—smaller, lighter units are easier to transport but may have lower capacity. Deciding on noise and portability involves balancing your environment and how often you’ll need to move or store the generator.
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 and your home’s power load. Most portable dual fuel generators below 10,000 watts won’t support an entire household but can power essential appliances. Larger, stationary models with 12,000+ watts are better suited for whole-house backup, especially if equipped with transfer switches. Always calculate your power needs beforehand to match a generator’s capacity with your home’s electrical demand.
How safe is it to run a generator indoors?
Generators should never be operated indoors due to the risk of carbon monoxide poisoning, which can be deadly. Always use a generator outdoors in a well-ventilated area, away from windows and vents. Safety features like CO sensors do help, but they are not substitutes for proper placement. Ensuring proper ventilation and following safety guidelines is essential for safe generator operation.
Is propane a better fuel choice than gasoline for dual fuel generators?
Propane offers cleaner burning and longer storage life, making it a convenient backup fuel. It also produces fewer emissions and can be cheaper over time. However, propane tanks are bulkier and less widely available than gasoline, which is easier to refill. The choice depends on your usage scenario—if you have easy access to propane or want longer storage, it’s a smart option; otherwise, gasoline might be more practical for frequent use.
What maintenance is required for dual fuel generators?
Regular maintenance includes oil changes, air filter replacement, and checking spark plugs, similar to other combustion engines. For dual fuel models, inspecting propane hoses and connections is also important. Fuel stabilization and proper storage can help extend the lifespan of both fuel types. Following the manufacturer’s maintenance schedule ensures safe, reliable operation over years of use.
How does noise level affect choosing a dual fuel generator?
Noise levels vary widely—compact inverter generators tend to be quieter, making them suitable for residential or outdoor recreational use. Larger open-frame models often produce more noise, which could be disruptive in quiet environments. If noise is a concern, opting for inverter or enclosed models can make a significant difference. Consider where and how you’ll use the generator to choose a model that balances power with acceptable noise output.
Conclusion
For those needing maximum power and advanced features, the Westinghouse 14500 Peak Watt Generator offers excellent performance and remote start. Budget-conscious buyers or those with lighter needs might prefer the WEN 11,000-Watt Generator for its capacity and value. Beginners or occasional users will find the WEN 2800-Watt Inverter easiest to operate and quiet. If safety is a priority, models with integrated CO sensors and transfer switches are best. Overall, your choice should align with your power demands, safety priorities, and convenience preferences.
















