When searching for the best dual fuel generator on Amazon, the key is balancing power, portability, and reliability. The DuroStar DS13000MX stands out as the overall top pick for its high wattage and durability, ideal for heavy-duty needs. For those prioritizing quiet operation, the WEN 2800-Watt Inverter Generator offers excellent portability with low noise levels. Buyers often face tradeoffs between maximum power output and ease of use, especially when considering features like electric start and fuel efficiency. Keep reading for a detailed breakdown of these options and how to choose the right generator for your needs.
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Key Takeaways
- The highest wattage models like the DuroStar DS13000MX and DuroMax XP13000EH deliver robust power suitable for large-scale backup or construction sites.
- Inverter generators such as the WEN 2800-Watt provide quieter operation and better fuel efficiency, making them ideal for camping or small home use.
- Remote electric start and additional safety features like CO sensors are common in premium models, offering convenience and peace of mind.
- Many top picks are RV-ready, emphasizing portability and ease of hookup for recreational use.
- Price varies widely, with premium models offering more features but higher costs, while budget options focus on core performance.
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start |  | Best Overall Power and Reliability | Wattage: 13,000 watts | Fuel Type: Gasoline and Propane | Power Source: Fuel Powered | VIEW LATEST PRICE | See Our Full Breakdown |
| WEN 2800-Watt Dual Fuel Inverter Generator, Quiet, Portable, and Lightweight with Fuel Shut Off and CO Watchdog |  | Best for Portability and Sensitive Electronics | Power Output: 2800 surge watts, 2250 rated watts (gasoline) | Fuel Type: Gasoline, Propane | Engine Displacement: 98cc | VIEW LATEST PRICE | See Our Full Breakdown |
| Champion 4000-Watt Dual Fuel RV Ready Portable Inverter Generator |  | Best for RV and Camping Power | Power Output: 4000 starting / 3000 running watts (gasoline) | Run Time: Up to 10 hours (gasoline), up to 25 hours (propane) | Fuel Capacity: 1.54 gallons | VIEW LATEST PRICE | See Our Full Breakdown |
| WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator |  | Best for Heavy-Duty RV and Backup Power | Engine Displacement: 224cc | Fuel Types: Gasoline, Propane | Surge Power: 6800 watts | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 14500 Peak Watt Dual Fuel Home Backup Portable Generator with Remote Electric Start |  | Best for Heavy-Duty Home Backup | Peak Watts: 14,500 | Running Watts: 11,500 | Fuel Types: Gasoline, Propane, Natural Gas | VIEW LATEST PRICE | See Our Full Breakdown |
| WEN 4800-Watt Dual Fuel Portable Inverter Generator with Electric Start and CO Watchdog |  | Best for Portability and Safety in a Quiet Package | Engine Displacement: 224cc | Fuel Type: Gasoline and Propane | Surge Power: 4800 watts | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best Heavy-Duty Power for Large-Scale Backup | Peak Watts: 12500 | Running Watts: 9500 | Fuel Type: Gasoline, Propane | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor |  | Best for Versatile Power and Safety for Medium Loads | Gasoline Watts: 5300 | Propane Watts: 4800 | Fuel Tank Capacity: 4.7 gallons | VIEW LATEST PRICE | See Our Full Breakdown |
| DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator |  | Best Heavy-Duty Power with Durability for Severe Conditions | Power Output: 13,000 watts | Fuel Type: Gas & Propane | Start Type: Electric | VIEW LATEST PRICE | See Our Full Breakdown |
| PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use |  | Best for Quiet, Residential, and Recreational Use | Wattage: 3800 watts | Fuel Type: Gasoline and Propane | Power Source: Gas-Powered | VIEW LATEST PRICE | See Our Full Breakdown |
| WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start |  | Best Overall Balance of Power and Portability | 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 LATEST PRICE | See Our Full Breakdown |
| Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for Heavy-Duty Power and Extended Runtime | Peak Watts (Gasoline): 13500 | Running Watts (Gasoline): 10500 | Peak Watts (Propane): 12500 | VIEW LATEST PRICE | See Our Full Breakdown |
| amazon generator dual fuel | Fuel Type | Engine Displacement | Outlets |
|---|---|---|---|
| DuroStar DS13000MX 13,000-Watt | Gasoline and Propane | 500 cc | — |
| WEN 2800-Watt Dual Fuel Invert | Gasoline, Propane | 98cc | — |
| Champion 4000-Watt Dual Fuel R | — | 149cc | — |
| WEN 6800-Watt Dual Fuel RV-Rea | — | 224cc | — |
| Westinghouse 14500 Peak Watt D | — | — | GFCI, L14-30R, 14-50R |
| WEN 4800-Watt Dual Fuel Portab | Gasoline and Propane | 224cc | — |
| Westinghouse 12500 Watt Dual F | Gasoline, Propane | — | Two GFCI 120V, Transfer Switch Ready 120V L14-30R, RV Ready 120/240V 14–50R |
| Westinghouse 6500 Watt Dual Fu | — | — | 120V 20A household, RV 30A, Transfer switch 30A |
| DuroMax XP13000EH 13,000-Watt | Gas & Propane | — | Multiple including transfer switch-ready 50A |
| PowerSmart 3800 Watt Dual Fuel | Gasoline and Propane | 149 cc | — |
| WEN 4,750-Watt 120V/240V Dual | — | — | Two 120V GFCI outlets, 120V/240V twist lock, 12V DC cigarette-lighter-style plug |
| Westinghouse 13500 Peak Watt D | — | — | GFCI 120V 5–20R 20A, Transfer Switch 120V L14-30R 30A, RV 120/240V 14–50R 50A |
More Details on Our Top Picks
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start
The DuroStar DS13000MX stands out for its exceptional power output, making it the top choice for those who need a generator capable of running entire homes or large job sites. Compared to the Westinghouse 14500 Peak Watt, it offers slightly less peak wattage but excels in durability and safety features like CO sensors. Its all-metal construction and robust engine make it a dependable option, though its weight and size make it less suited for portability. The large 8.3-gallon tank minimizes refueling during extended use, but this also adds to the overall heft, requiring a strong cart or two people for moving. For buyers prioritizing raw power and safety in emergency situations, this generator covers most bases, but the tradeoff is its bulk and higher price point.
Pros:- Exceptional 13,000-watt capacity suitable for whole-home backup
- Dual fuel flexibility with gasoline and propane
- Includes advanced safety features like CO sensors and low oil shutdown
- Durable all-metal construction for long-lasting performance
Cons:- Heavy and difficult to move without assistance
- Large fuel tank adds to weight and refueling needs during extended operation
Best for: Homeowners needing reliable whole-house backup or contractors on large job sites who prioritize power and safety.
Not ideal for: Campers or tailgaters who require lightweight, portable solutions for short-term use.
- Wattage:13,000 watts
- Fuel Type:Gasoline and Propane
- Power Source:Fuel Powered
- Voltage:240 volts
- Tank Volume:8.3 gallons
- Engine Displacement:500 cc
- Additional Features:CO Sensor, Dual Fuel, Electric Start, Low Oil Shutdown
Our verdict“This generator is best suited for those who need maximum power and safety, accepting its weight and cost as tradeoffs.”
WEN 2800-Watt Dual Fuel Inverter Generator, Quiet, Portable, and Lightweight with Fuel Shut Off and CO Watchdog
The WEN 2800-Watt Inverter Generator makes a compelling case for anyone who needs quiet, clean power for electronics during camping or small backup situations. Unlike the larger DuroStar DS13000MX, it emphasizes portability with a weight of just 45 pounds and a compact design, ideal for outdoor enthusiasts. Its inverter technology ensures less than 1.2% harmonic distortion, making it safe for sensitive devices, a feature the larger generators cannot match. While its 1.58-gallon tank limits runtime to around 9 hours on gasoline, it compensates with a fuel shutoff for efficiency and safety. The main tradeoff is its limited power capacity, so it’s not suited for running large appliances or multiple devices simultaneously. This pick is perfect for those prioritizing quiet operation and electronics safety over high wattage.
Pros:- Produces clean, safe power for sensitive electronics
- Lightweight and compact for easy transport
- Quiet operation at 60 decibels
- Dual-fuel flexibility with gasoline and propane
Cons:- Limited runtime of around 9 hours on a full tank
- Requires separate parallel kit for linking units if more power is needed
Best for: Campers, tailgaters, or small-scale backup power users needing quiet, portable, and safe power for electronics.
Not ideal for: Homeowners or contractors requiring high wattage for large appliances or tools.
- Power Output:2800 surge watts, 2250 rated watts (gasoline)
- Fuel Type:Gasoline, Propane
- Engine Displacement:98cc
- Noise Level:60 decibels
- Tank Capacity:1.58 gallons
- Run Time:Up to 9 hours (gasoline), 13.9 hours (LPG)
- Weight:45 pounds
Our verdict“This generator excels for portability and electronics safety but isn’t suitable for high-power, large-scale applications.”
Champion 4000-Watt Dual Fuel RV Ready Portable Inverter Generator
The Champion 4000-Watt Inverter makes a strong case for RVers and campers who need reliable, quiet power on the go. Compared with the WEN 2800-Watt, it offers higher wattage without sacrificing portability, weighing less than 55 pounds. Its 4000 starting watts and 3000 running watts on gasoline, with a 10-hour runtime, make it suitable for powering RV essentials or small appliances. The addition of CO Shield auto shutoff enhances safety, and its multiple outlets, including parallel capability, add versatility. However, it’s less suitable for heavy-duty home backup due to its size and wattage limits, and the parallel kit is sold separately. It’s an ideal choice for those who need a portable, quiet inverter for travel or light power backup, accepting the need for additional accessories for extended capacity.
Pros:- High wattage for a portable inverter, suitable for RV needs
- Dual-fuel flexibility with gasoline and propane
- Quiet operation at 64 dBA
- Includes safety features like CO Shield
Cons:- Parallel kit sold separately for increased power
- Limited run time on gasoline compared to propane
Best for: RV owners, campers, or tailgaters needing portable, quiet power for small appliances and electronics.
Not ideal for: Homeowners seeking to run large appliances or multiple tools during outages.
- Power Output:4000 starting / 3000 running watts (gasoline)
- Run Time:Up to 10 hours (gasoline), up to 25 hours (propane)
- Fuel Capacity:1.54 gallons
- Noise Level:64 dBA
- Engine Displacement:149cc
- Weight:Less than 55 pounds
Our verdict“This inverter generator is well-suited for RV and outdoor use, offering portability and safety at the expense of some capacity and additional accessories.”
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator
The WEN 6800-Watt Inverter offers a significant power boost over smaller models like the Champion 4000-Watt, making it a better fit for users with higher power demands. Its 224cc engine delivers up to 6800 surge watts and 5100 rated watts on gasoline, with a runtime of up to 10 hours, suitable for larger RVs or backup scenarios. The safety features, including CO shutdown sensors, remain comparable to smaller units, but it adds wheels and a telescoping handle for easier movement—though it still can be bulky for frequent portage. Limited to 6800 surge watts, it might not power very large appliances simultaneously, but for those needing more capacity in a portable form, it strikes a solid balance. Maintenance complexity increases with dual-fuel systems, making it more suited for experienced users.
Pros:- Higher wattage for demanding appliances and RV systems
- Dual-fuel capability with gasoline and propane
- Built-in safety features like CO shutdown sensor
- Wheels and handle for easier transportation
Cons:- Heavier and bulkier than smaller portable models
- Requires maintenance for dual fuel operation
Best for: High-demand RV owners, small contractors, or backup power users who need more capacity but still value portability.
Not ideal for: Light outdoor users or those with minimal power needs, given its size and complexity.
- Engine Displacement:224cc
- Fuel Types:Gasoline, Propane
- Surge Power:6800 watts
- Rated Power:5100 watts
- Run Time:Up to 10 hours
- Receptacles:L14-30R 120V/240V, TT-30R, USB
- Additional Features:Fuel shutoff, CO watchdog sensor, wheels
Our verdict“This generator balances increased power with portability features, ideal for users with larger energy needs on the go, accepting its weight and maintenance requirements.”
Westinghouse 14500 Peak Watt Dual Fuel Home Backup Portable Generator with Remote Electric Start
The Westinghouse WGen11500DFc elevates home backup capabilities with its impressive 14,500 peak wattage and 11,500 running watts. Compared to the DuroStar DS13000MX, it offers higher starting wattage and the convenience of remote electric start, making it easier to power essential appliances during outages. Its 550cc engine and long runtime—up to 19 hours on gasoline—provide extended operation without frequent refueling. The transfer switch readiness simplifies integration into home systems. However, the lack of specific weight and size details makes portability less clear, and the price is generally higher. This model is best for those who need serious power with remote start and long run times for extensive backup, but it may be overkill for smaller or infrequent use cases.
Pros:- High peak wattage suitable for large appliances
- Remote electric start for convenience
- Long runtime of up to 19 hours
- Versatile fuel options including natural gas
Cons:- Potentially heavy and less portable without specific size info
- Higher cost compared to smaller units
Best for: Homeowners requiring high power capacity with remote start and long runtime for prolonged outages.
Not ideal for: Campers or users seeking portable, lightweight generators for outdoor activities.
- Peak Watts:14,500
- Running Watts:11,500
- Fuel Types:Gasoline, Propane, Natural Gas
- Tank Capacity:9.5 gallons
- Runtime:Up to 19 hours
- Start Type:Electric with remote key fob
- Outlets:GFCI, L14-30R, 14-50R
Our verdict“This generator provides extensive power and convenience for home backup, with a focus on long runtimes and remote operation, at the expense of portability.”
WEN 4800-Watt Dual Fuel Portable Inverter Generator with Electric Start and CO Watchdog
This lightweight inverter generator stands out for its quiet operation, making it ideal for camping or residential use where noise levels matter. Compared with larger, more powerful options like the Westinghouse 12500W, the WEN 4800W emphasizes portability and ease of use, though it sacrifices some runtime and power capacity. Its dual-fuel capability offers versatility, while the CO Watchdog sensor adds a safety layer often absent in basic models. The onboard wheels and telescoping handle make transport manageable, but the generator’s weight can still be a concern for some users. Setup may be complex for beginners unfamiliar with inverter technology, and runtime on a single tank isn’t specified, which could be limiting for prolonged use.Pros:- Quiet operation comparable to normal conversation
- Dual-fuel flexibility for gasoline or propane
- Includes CO shutdown sensor for added safety
- Portability with onboard wheels and telescoping handle
Cons:- Relatively heavy for its size, may challenge portability
- Limited runtime on a single tank, not specified
- Complex setup for users unfamiliar with inverter generators
Best for: Individuals needing portable, quiet power for camping, outdoor events, or small residential backup.
Not ideal for: Homeowners requiring high power output for whole-house backup or running heavy appliances; this generator’s lower wattage limits its capacity.
- Engine Displacement:224cc
- Fuel Type:Gasoline and Propane
- Surge Power:4800 watts
- Rated Power:4000 watts
- CO Watchdog:Yes
- Receptacles:Four 120V, one RV TT-30R, one 12V DC, two USB
- Warranty:3 years
Our verdict“This generator is best for users prioritizing portability, quiet operation, and safety features over raw power for large loads.”
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
The Westinghouse WGen9500DF makes a clear statement with its massive 12,500 peak watts, outperforming smaller models like the WEN 4800W in raw power. Its remote electric start adds convenience, especially during emergencies when quick power is needed. Compared to the DuroMax XP13000EH, it offers a more user-friendly interface and longer runtime of up to 12 hours, but it is significantly heavier and bulkier, making transportation more challenging. The multiple outlets, including transfer switch and RV options, cater well to home backup and jobsite demands. However, first-time users might find the setup intimidating, and the higher price reflects its premium capacity. It’s suited for those who need serious power and don’t mind the weight and size.Pros:- Massive 12,500 peak watt power output
- Remote electric start for quick operation
- Long runtime up to 12 hours on a full tank
- Multiple versatile outlets including transfer switch-ready
Cons:- Heavy and difficult to transport without assistance
- Higher price point compared to smaller models
- Complex setup for first-time users
Best for: Homeowners or contractors seeking a reliable, high-capacity generator for severe weather or large construction sites.
Not ideal for: Individuals needing a lightweight, portable unit for occasional use or camping; this model’s size and weight are overkill for small-scale needs.
- Peak Watts:12500
- Running Watts:9500
- Fuel Type:Gasoline, Propane
- Engine:457cc 4-Stroke OHV
- Run Time:Up to 12 hours
- Outlets:Two GFCI 120V, Transfer Switch Ready 120V L14-30R, RV Ready 120/240V 14–50R
Our verdict“This generator is ideal for those who need substantial power and are prepared to handle its size and weight for reliable home or jobsite backup.”
Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor
The Westinghouse WGen5300DFcv offers a balanced mix of power, safety, and runtime, making it suitable for medium-sized backup needs. At 5300 running watts, it’s more capable than the WEN 4800W but less than the massive Westinghouse 12500W, fitting well for typical home use. Its dual-fuel ability extends runtime, reaching up to 14.5 hours, which surpasses many competitors. The inclusion of a CO sensor and automatic low oil shutdown enhances safety, matching premium models like the DuroMax XP13000EH in safety features. Its durable construction and portability with wheels are practical, but it’s heavier and more complex to set up than smaller inverter generators. Fuel consumption may be higher at peak loads, which is worth considering for extended outages.Pros:- Dual-fuel capability for flexible fuel options
- Long runtime of up to 14.5 hours
- Includes CO sensor and automatic low oil shutdown for safety
- Durable construction with wheels for portability
Cons:- Relatively heavy, may require assistance for movement
- Setup complexity for first-time users
- Fuel consumption may be high at maximum load
Best for: Homeowners needing a reliable, safe, and versatile backup for essential appliances during power outages.
Not ideal for: Users seeking lightweight, highly portable generators for camping or light-duty tasks; this unit is better suited for stationary backup use.
- Gasoline Watts:5300
- Propane Watts:4800
- Fuel Tank Capacity:4.7 gallons
- Run Time:Up to 14.5 hours
- Engine:274cc 4-Stroke OHV
- Outlets:120V 20A household, RV 30A, Transfer switch 30A
Our verdict“This generator strikes a good balance for home backup needs, offering safety features and extended runtime but requires some effort to operate and transport.”
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator
The DuroMax XP13000EH is designed for serious power needs, offering 13,000 watts, making it suitable for whole-house backup or heavy-duty construction. Its electric start simplifies operation during emergencies, and its all-metal frame provides durability against severe weather. Compared to the Westinghouse 12500W, the DuroMax offers a similar power level but emphasizes rugged construction, which is essential for demanding environments. The transfer switch-ready outlets expand its utility for home backup. However, it’s quite heavy, which impacts portability, and it can be noisy during operation—potential drawbacks for residential use. This unit makes the most sense for those needing maximum power and durability in tough conditions.Pros:- Powerful 13,000-watt output suitable for whole-home backup
- Electric start for ease of use
- All-metal construction withstands severe weather
- Versatile transfer switch-ready outlets
Cons:- Heavy and difficult to move without assistance
- Potentially noisy during operation
- Higher price and fuel consumption at peak loads
Best for: Construction crews, severe weather preparedness, or large homes needing robust, reliable backup power.
Not ideal for: Users looking for lightweight, quiet, or portable generators for recreational or light residential use; this model prioritizes power and durability over portability.
- Power Output:13,000 watts
- Fuel Type:Gas & Propane
- Start Type:Electric
- Outlets:Multiple including transfer switch-ready 50A
- Construction:All metal frame
Our verdict“This model is best for demanding applications where maximum durability and power are critical, with less emphasis on portability.”
PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use
The PowerSmart 3800W inverter generator emphasizes quiet operation, rated at just 59 dBA, making it an excellent choice for camping, tailgating, or residential backup where noise matters. Its dual-fuel capability extends runtime, with up to 8 hours on gasoline and 24 hours on propane, surpassing many larger generators in fuel efficiency. The safety features, including overload and CO sensors, provide peace of mind during extended use. Compared with the WEN 4800W, this unit’s lower power output makes it less suitable for heavy loads but more ideal for sensitive electronics and quiet environments. Its weight and size are manageable for transport, but the limited runtime at maximum load could be a drawback for longer outages.Pros:- Exceptionally quiet at 59 dBA
- Dual-fuel flexibility for extended runtime
- Includes safety features like CO sensor and overload protection
- Parallel ready for additional power
Cons:- Limited runtime at maximum load (~4 hours)
- Heavy and bulky for a portable inverter
- Price not specified, but generally premium for quiet operation
Best for: Campers, RV owners, or homeowners needing quiet, reliable power for essential electronics and small appliances.
Not ideal for: Users requiring high power output for large appliances or whole-house backup; this generator is best for smaller, sensitive loads.
- Wattage:3800 watts
- Fuel Type:Gasoline and Propane
- Power Source:Gas-Powered
- Voltage:120 volts
- Runtime:Up to 8 hours on gasoline, up to 24 hours on propane
- Engine Displacement:149 cc
- Starting Wattage:3800 watts
- Running Wattage:3300 watts
Our verdict“This generator is ideal for those prioritizing quiet, clean power with extended fuel options for small-scale residential or recreational use.”
WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start
This WEN generator stands out for its dual fuel flexibility, offering users the option to run on gasoline or propane. It features an electric start, which simplifies operation compared to manual recoil models like the Westinghouse 13500, making it more accessible for occasional users. Its runtime of up to 11 hours at half load provides reliable backup power, though it is heavier and bulkier than inverter options like the WEN 2800, limiting portability. Compared to the Westinghouse 13500, it’s less powerful but more manageable for typical home backup needs. Regular maintenance is necessary to keep it running smoothly, especially given its size. This pick makes the most sense for users seeking a versatile, easy-to-start generator that balances power with ease of use.
Pros:- Dual fuel capability for flexible fuel choices
- Electric start for quick, effortless startup
- Long runtime of up to 11 hours at half load
- Multiple outlet options for varied devices
Cons:- Relatively heavy and bulky, reducing portability
- Requires regular maintenance to ensure performance
Best for: Homeowners needing reliable backup power with easy operation and moderate portability
Not ideal for: Campers or tailgaters requiring ultra-lightweight, compact units; or users needing maximum power output
- 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
- Runtime:Up to 11 hours at half load
- Outlets:Two 120V GFCI outlets, 120V/240V twist lock, 12V DC cigarette-lighter-style plug
Our verdict“This generator offers a solid balance of power, ease of use, and versatility, ideal for homeowners seeking dependable backup power without excessive weight.”
Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
This Westinghouse model excels in providing high-capacity power, with a peak of 13,500 watts, making it suitable for large home backup or job sites. Its dual fuel feature allows switching between gasoline and propane, offering flexibility similar to the WEN 4750 but with a significantly higher power output. The remote electric start adds unmatched convenience, especially during outages or when hands-free operation is preferred. Its 9.5-gallon tank supports an impressive runtime of up to 19 hours, surpassing the WEN 4750’s endurance. However, its weight and size make it less portable, similar to the WEN but more cumbersome for frequent movement. Residual odors from factory testing can also be a minor inconvenience. This generator is best suited for users who prioritize maximum power, long run times, and remote operation, even if portability isn’t a priority.
Pros:- Exceptionally high peak wattage for heavy-duty tasks
- Remote start with key fob for convenience
- Long runtime of up to 19 hours on a full tank
- Multiple outlets including transfer switch and RV-ready options
Cons:- Heavy and bulky, limiting portability
- Residual factory odor may require airing out before use
- Higher price point compared to smaller models
Best for: Homeowners or contractors needing a high-power, long-running generator for backup or job site use
Not ideal for: Campers or tailgaters who require lightweight, portable units for outdoor recreation
- Peak Watts (Gasoline):13500
- Running Watts (Gasoline):10500
- Peak Watts (Propane):12500
- Running Watts (Propane):9500
- Fuel Tank Capacity:9.5 gallons
- Runtime:Up to 19 hours
- Engine:500cc Westinghouse 4-stroke OHV
- Outlets:GFCI 120V 5–20R 20A, Transfer Switch 120V L14-30R 30A, RV 120/240V 14–50R 50A
Our verdict“This generator is a top choice for those needing maximum power, extended runtime, and remote operation, trading portability for performance.”
How We Picked
These generators were selected based on a combination of power output, usability, build quality, safety features, and value. We prioritized models that perform reliably under load, with a focus on dual fuel versatility, allowing users to switch between gasoline and propane easily. Ease of starting, noise levels, and safety features like CO detection influenced rankings, along with customer reviews and overall durability. The goal was to identify options suited for various needs—from emergency backup to recreational use—while maintaining a balance of price and performance.| amazon generator dual fuel | Fuel Type |
|---|---|
| DuroStar DS13000MX 13,000-Watt | Gasoline and Propane |
| WEN 2800-Watt Dual Fuel Invert | Gasoline, Propane |
| Champion 4000-Watt Dual Fuel R | — |
| WEN 6800-Watt Dual Fuel RV-Rea | — |
| Westinghouse 14500 Peak Watt D | — |
| WEN 4800-Watt Dual Fuel Portab | Gasoline and Propane |
| Westinghouse 12500 Watt Dual F | Gasoline, Propane |
| Westinghouse 6500 Watt Dual Fu | — |
| DuroMax XP13000EH 13,000-Watt | Gas & Propane |
| PowerSmart 3800 Watt Dual Fuel | Gasoline and Propane |
| WEN 4,750-Watt 120V/240V Dual | — |
| Westinghouse 13500 Peak Watt D | — |
Factors to Consider When Choosing Best Amazon Generator Dual Fuel
Choosing the best dual fuel generator involves more than just looking at wattage. You should consider how you’ll use the generator, the noise level, safety features, and fuel options. A good understanding of these factors helps avoid common pitfalls like overestimating power needs or selecting models that are too loud for your environment. The right generator matches your specific power demands, ease of use, and safety preferences, ensuring reliable performance when it matters most.Power Output and Size
Determine how much power you need by listing essential appliances or tools. Larger models like the DuroStar DS13000MX provide high wattage suitable for entire home backup or heavy-duty projects, but they tend to be bulkier and more expensive. Smaller inverter generators are perfect for camping or partial home use, offering enough power for small appliances without excess noise or weight. Matching your power needs with the generator size prevents waste and ensures efficiency, avoiding the frustration of underpowered or overly bulky units.
Portability and Size
If you plan to move the generator frequently, portability features such as wheels, handles, and compact design become critical. Heavy-duty models like the Westinghouse 14500 Peak Watt often focus on durability at the expense of weight, while lightweight inverter units like the WEN 2800-Watt are designed for easy transport. Consider where you’ll use the generator most—stationary backup, camping, or construction sites—and choose accordingly to avoid strain or inconvenience during setup and transport.
Fuel Type and Efficiency
Dual fuel capability allows switching between gasoline and propane, offering flexibility during outages or outdoor adventures. Propane burns cleaner and can be stored longer, but it may require additional setup or fuel connectors. Gasoline is more readily available but less stable over long periods. Look for models with fuel shutoff features for better efficiency and maintenance. Weigh the convenience of quick fuel switching against potential tradeoffs in runtime or complexity of setup.
Safety and Convenience Features
Features like electric start, remote operation, and CO sensors enhance usability and safety. Electric start models save time and effort, especially during power outages, while remote start adds convenience for frequent use. CO sensors monitor exhaust fumes, making them essential for indoor or enclosed space use. Be cautious of models lacking these features if safety or ease of operation is a priority, as they can significantly impact your user experience.
Noise Level and Operating Environment
Inverter generators are typically quieter, making them suitable for noise-sensitive environments like camping or residential neighborhoods. Larger portable models tend to be louder, which could be disruptive or require additional soundproofing. Consider the environment where you’ll operate the generator most often and choose a model that minimizes noise while still delivering adequate power. This helps prevent disturbance and ensures compliance with local noise regulations.
Frequently Asked Questions
Can I run my entire house on a dual fuel generator?
Running an entire house depends on the generator’s wattage and your home’s power demands. Most dual fuel generators offer enough power for essential circuits or smaller homes, but larger homes may require a generator with higher wattage or a dedicated transfer switch. It’s important to calculate your total load beforehand and consult with a professional to ensure your generator can handle the startup and running wattage of all connected appliances. Proper setup and safety measures are essential to prevent overloads or electrical issues.
How long can I run a dual fuel generator continuously?
The runtime of a dual fuel generator varies depending on the load, fuel type, and tank size. Typically, models like the Westinghouse 14500 Peak Watt can run for 8-12 hours on a full tank at half load. Propane generally provides longer runtime compared to gasoline because it burns more efficiently and can be stored for longer periods. Always check the manufacturer’s specifications for continuous operation limits and ensure proper maintenance and refueling procedures to sustain reliable performance.
Is a dual fuel generator safe for indoor use?
Dual fuel generators should be used outdoors due to the exhaust fumes produced during operation. Even with safety features like CO sensors, indoor use is risky because of carbon monoxide buildup, which can be deadly. If indoor backup power is needed, consider inverter models equipped with safety mechanisms or installing a dedicated, vented generator setup. Always follow manufacturer guidelines and local safety regulations to prevent health hazards and ensure safe operation.
What maintenance is required for a dual fuel generator?
Regular maintenance includes checking and changing oil, inspecting spark plugs, cleaning or replacing air filters, and ensuring fuel systems are clean. Dual fuel models may require additional steps, like managing propane connections or switching fuel sources. Drain the fuel system if storing for long periods, and perform periodic load testing to confirm reliable operation. Proper maintenance extends the lifespan of your generator and keeps it ready for use when needed.
Are dual fuel generators more expensive than single fuel models?
Generally, dual fuel generators tend to cost more upfront than single fuel options due to added complexity and flexibility. However, their ability to switch between fuels can lead to savings over time, especially if propane becomes more economical or available during emergencies. The initial investment is often justified by increased versatility, safety, and convenience, making them a worthwhile choice for users seeking reliable backup power with options.
