11 Best Best Dual Fuel Generator in 2026

When searching for the best dual fuel generator, the key factors are power output, ease of use, and fuel versatility. The Westinghouse 12500 Watt stands out as the top overall choice for heavy-duty needs, offering reliable performance and remote start. For those prioritizing quiet operation, the Westinghouse 4000 Peak Watt Super Quiet delivers efficient power with minimal noise. Meanwhile, the WEN 5600-Watt Dual Fuel Generator offers a strong balance of power and affordability for most users. Each product presents tradeoffs such as size, noise levels, and price, which can influence your decision. Continue reading for a detailed comparison to find your perfect match.

Key Takeaways

  • Power output varies greatly; heavy-duty models like the Westinghouse 12500W suit large appliances, while inverter units are better for sensitive electronics.
  • Quiet operation is a common feature among inverter generators, but it often comes with a higher price tag or reduced maximum wattage.
  • Fuel versatility is a key advantage for dual fuel models, but some units prioritize propane over gasoline for cleaner burns and longer shelf life.
  • Portability features like wheel kits and compact design are more prevalent in inverter generators, making them easier to transport.
  • Price ranges reflect build quality, noise levels, and features—more expensive options tend to offer better durability and quieter operation.

Our Top Best Dual Fuel Generator Picks

Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO SensorWestinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO SensorBest Overall Dual Fuel Generator for Power and SafetyGasoline Wattage: 6500 Peak / 5300 Running WattsPropane Wattage: 5800 Peak / 4800 Running WattsFuel Tank Capacity: 4.7 gallonsVIEW LATEST PRICESee Our Full Breakdown
WEN 4800-Watt Dual Fuel Portable Inverter Generator with Electric Start and CO WatchdogWEN 4800-Watt Dual Fuel Portable Inverter Generator with Electric Start and CO WatchdogBest Quiet, Portable Dual Fuel Inverter for Sensitive ElectronicsEngine Displacement: 224ccSurge Power: 4800 watts (gas), 4320 watts (propane)Rated Power: 4000 wattsVIEW LATEST PRICESee Our Full Breakdown
Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote StartWestinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote StartBest Quiet Inverter for Home and RV UsePeak Watts: 4000Rated Watts: 3300Fuel Tank Capacity: 1.69 gallonsVIEW LATEST PRICESee Our Full Breakdown
WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog and Fuel Shut OffWEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog and Fuel Shut OffBest Lightweight, Affordable Inverter for Camping and EmergenciesPower (Gasoline): 3600 surge / 2900 rated wattsPower (Propane): 3500 surge / 2600 rated wattsEngine: 149ccVIEW LATEST PRICESee Our Full Breakdown
WEN 5,600-Watt Dual Fuel Portable Generator with Wheel Kit, Electric Start, and CO WatchdogWEN 5,600-Watt Dual Fuel Portable Generator with Wheel Kit, Electric Start, and CO WatchdogBest High-Capacity Dual Fuel Generator with MobilityPower: 5600 surge / 4500 rated wattsEngine: 224ccTank Capacity: 4.3 gallonsVIEW LATEST PRICESee Our Full Breakdown
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric StartWestinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric StartBest Overall Power and FlexibilityPeak Watts: 12500Running Watts: 9500 (Gas), 8500 (Propane)Fuel Type: Gasoline, PropaneVIEW LATEST PRICESee Our Full Breakdown
Westinghouse 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote Electric StartWestinghouse 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote Electric StartBest Quiet, Portable Inverter for Sensitive ElectronicsPeak Watts: 5000Rated Watts: 3900Fuel Type: Gas & PropaneVIEW LATEST PRICESee Our Full Breakdown
Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric StartWestinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric StartBest Heavy-Duty, High-Wattage Backup PowerPeak Wattage: 14,500Running Wattage: 11,500Fuel Types: Gasoline, Propane, Natural GasVIEW LATEST PRICESee Our Full Breakdown
PowerSmart 3800 Watt Dual Fuel Inverter Generator, Quiet Portable Gas Propane Powered with CO Sensor and RV Ready Outlet, 149cc 4-Stroke OHV EnginePowerSmart 3800 Watt Dual Fuel Inverter Generator, Quiet Portable Gas Propane Powered with CO Sensor and RV Ready Outlet, 149cc 4-Stroke OHV EngineBest Compact, Quiet Inverter for Camping and Home BackupWattage: 3800 wattsFuel Type: Gasoline and PropanePower Source: Gas-PoweredVIEW LATEST PRICESee Our Full Breakdown
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with CO WatchdogWEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with CO WatchdogBest Overall Dual Fuel GeneratorEngine Displacement: 224ccPower Output (Gasoline): 6800 surge watts, 5100 rated wattsPower Output (Propane): 6000 surge watts, 4500 rated wattsVIEW LATEST PRICESee Our Full Breakdown
WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel KitWEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel KitBest Value Dual Fuel GeneratorPower: 4750 surge watts / 3800 running wattsVoltage: 120V/240VEngine: 224cc 4-stroke OHVVIEW LATEST PRICESee Our Full Breakdown

More Details on Our Top Picks

  1. Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor

    Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor

    Best Overall Dual Fuel Generator for Power and Safety

    View Latest Price
    This generator stands out for its robust power output and comprehensive safety features, such as a built-in CO sensor. It delivers a strong 6500 peak watts on gasoline, with a slightly lower 5800 peak on propane, making it suitable for heavy backup needs. Compared to the WEN 5600-Watt model, it offers more wattage and a transfer switch, ideal for whole-home backup. The large 4.7-gallon tank provides up to 14.5 hours of runtime, but its weight and size make it less portable for frequent transport. It also includes multiple outlets, including RV-ready and transfer switch outlets, for versatile use. The main tradeoff involves its bulkiness, which might challenge those needing a lightweight option. This pick is best for homeowners seeking a reliable, powerful generator with safety in mind.
    Pros:
    • High wattage capacity suitable for whole-house backup
    • Includes transfer switch and CO sensor for added safety
    • Long runtime of up to 14.5 hours on a full tank
    • Multiple outlets, including RV-ready
    Cons:
    • Relatively heavy and bulky for frequent transport
    • Residual odor from factory testing may require airing out

    Best for: Homeowners needing a dependable backup power source with safety features and multiple outlet options.

    Not ideal for: Campers or tailgaters requiring a lightweight, easily portable unit—its weight and size limit mobility.

    • Gasoline Wattage:6500 Peak / 5300 Running Watts
    • Propane Wattage:5800 Peak / 4800 Running Watts
    • Fuel Tank Capacity:4.7 gallons
    • Runtime:Up to 14.5 hours
    • Engine:274 CC Westinghouse 4-Stroke OHV
    • Outlets:120V 20A Duplex, RV-Ready 30A, Transfer Switch 30A

    Bottom line: This generator is best suited for homeowners seeking high power with safety features, accepting some portability tradeoffs.

  2. WEN 4800-Watt Dual Fuel Portable Inverter Generator with Electric Start and CO Watchdog

    WEN 4800-Watt Dual Fuel Portable Inverter Generator with Electric Start and CO Watchdog

    Best Quiet, Portable Dual Fuel Inverter for Sensitive Electronics

    View Latest Price
    Compared with the Westinghouse 6500 Watt, the WEN 4800-Watt inverter emphasizes quiet operation and portability, making it ideal for outdoor activities like camping or RV trips. It produces 4800 surge watts and 4000 rated watts, suitable for smaller appliances and electronics. Its quiet operation—comparable to normal conversation—sets it apart from louder models, like the Westinghouse 4000 Peak, which is slightly louder but more compact. The onboard wheels and telescoping handle enhance mobility, but the smaller fuel tank limits runtime to roughly 7 hours on gasoline, less than larger units. Its dual-fuel capability offers flexibility, yet its weight and runtime make it less suited for extended backup power. This generator is perfect for users prioritizing noise level and portability over maximum wattage.
    Pros:
    • Extremely quiet operation ideal for sensitive electronics
    • Dual fuel flexibility for convenience
    • Wheels and telescoping handle for portability
    • Includes safety features like CO shutdown
    Cons:
    • Limited runtime on a single tank, around 7 hours
    • Heavier than smaller portable models, impacting transport

    Best for: Outdoor enthusiasts or RV owners needing quiet, portable power with sensitive electronics protection.

    Not ideal for: Homeowners seeking long-term backup power, as runtime is limited and capacity is lower than larger models.

    • Engine Displacement:224cc
    • Surge Power:4800 watts (gas), 4320 watts (propane)
    • Rated Power:4000 watts
    • Fuel Tank Capacity:1.69 gallons
    • Run Time:Up to 7 hours
    • Noise Level:52 dBA

    Bottom line: This inverter generator suits users prioritizing quietness and portability over maximum power or extended runtime.

  3. Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote Start

    Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote Start

    Best Quiet Inverter for Home and RV Use

    View Latest Price
    This Westinghouse inverter generator offers a quieter operation at just 52 dBA, making it ideal for locations where noise matters, such as RV parks or residential areas. It provides 4000 peak watts and 3300 rated watts, which is slightly less than the WEN 4800-Watt but still capable of handling essential appliances. The remote electric start adds convenience, especially compared to models without this feature, like the WEN 3600-Watt. Its fuel efficiency, safety features like CO shutdown, and low oil shutdown support safe, efficient operation. However, its small 1.69-gallon tank limits runtime to around 7 hours, which might be insufficient for longer outages or extended camping trips. This makes it an excellent choice for users needing a quiet, portable generator for short-term use.
    Pros:
    • Very quiet operation at 52 dBA
    • Remote electric start for easy operation
    • Fuel-efficient with CO safety features
    • Lightweight and portable
    Cons:
    • Limited fuel tank capacity restricts runtime
    • Less wattage than larger models for heavy loads

    Best for: Homeowners or campers wanting a quiet, easy-to-start portable generator for short-term backup or outdoor use.

    Not ideal for: Users needing all-day runtime or higher wattage capacity, as it is more suited for brief power needs.

    • Peak Watts:4000
    • Rated Watts:3300
    • Fuel Tank Capacity:1.69 gallons
    • Run Time:Up to 7 hours
    • Noise Level:52 dBA

    Bottom line: Ideal for users prioritizing quiet operation and convenience for short-term or portable power needs.

  4. WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog and Fuel Shut Off

    WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog and Fuel Shut Off

    Best Lightweight, Affordable Inverter for Camping and Emergencies

    View Latest Price
    The WEN 3600-Watt inverter generator prioritizes portability and affordability, making it well-suited for camping, tailgating, or emergency backup. It offers 3600 surge watts and 2900 rated watts, slightly less than the WEN 4800 model but enough for basic appliances and electronics. Its 49-pound weight makes it manageable for most users, unlike heavier units like the Westinghouse 6500 Watt. The inclusion of a CO Watchdog sensor and fuel shutoff enhances safety, while eco-mode helps conserve fuel. Still, the limited 1.5-gallon tank results in about 5 hours of runtime at half load, which might be restrictive for longer outings. Its smaller size and lower power output make it less suitable for larger home backup scenarios.
    Pros:
    • Lightweight at 49 pounds for easy transport
    • Affordable and compact design
    • Includes safety features like CO shutdown
    • Good for basic electronics and small appliances
    Cons:
    • Limited runtime due to small fuel tank
    • Lower wattage limits heavy or multiple appliances

    Best for: Campers, tailgaters, or small-scale emergency users needing a lightweight, safe power source.

    Not ideal for: Homeowners seeking extended backup power or to run multiple large appliances during outages.

    • Power (Gasoline):3600 surge / 2900 rated watts
    • Power (Propane):3500 surge / 2600 rated watts
    • Engine:149cc
    • Fuel Tank Capacity:1.5 gallons
    • Run Time:Up to 5 hours
    • Noise Level:65 decibels

    Bottom line: This generator is best for portable, short-duration power needs where weight and cost are primary concerns.

  5. WEN 5,600-Watt Dual Fuel Portable Generator with Wheel Kit, Electric Start, and CO Watchdog

    WEN 5,600-Watt Dual Fuel Portable Generator with Wheel Kit, Electric Start, and CO Watchdog

    Best High-Capacity Dual Fuel Generator with Mobility

    View Latest Price
    This WEN model offers a significant power boost over smaller generators, with 5600 surge watts and 4500 rated watts, making it suitable for more demanding backup needs. Its wheel kit and electric start improve accessibility, especially compared to the heavier Westinghouse 6500 Watt, which lacks wheels. The 4.3-gallon tank provides up to 12.5 hours of runtime at half load—impressive for its class—making it a strong choice for longer outages. It includes safety features like a CO Watchdog sensor, adding peace of mind. The main tradeoff involves its weight and size, which can challenge portability for some users, but it strikes a good balance between capacity and mobility. This generator fits well for those who need serious power with easier transportation.
    Pros:
    • High wattage suitable for larger appliances
    • Wheel kit enhances portability
    • Long runtime of over 12 hours at half load
    • Includes safety features like CO sensor
    Cons:
    • Heavy and somewhat bulky for frequent transport
    • Potentially noisy compared to inverter models

    Best for: Homeowners or small business owners needing high wattage with mobility for backup or job site use.

    Not ideal for: Users prioritizing ultralight portability or minimal noise, as it is comparatively bulky and somewhat noisy during operation.

    • Power:5600 surge / 4500 rated watts
    • Engine:224cc
    • Tank Capacity:4.3 gallons
    • Run Time:Up to 12.5 hours
    • Outlets:Two 120V 5-20R, RV and twist lock
    • Safety:CO Watchdog sensor

    Bottom line: This generator offers a powerful, portable solution for users needing high capacity with ease of movement.

  6. Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start

    Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start

    Best Overall Power and Flexibility

    View Latest Price

    The Westinghouse WGen9500DF stands out for its high wattage output, making it suitable for powering entire homes or large job sites, especially compared to the smaller and quieter Westinghouse iGen5000DF. Its ability to run up to 12 hours on a full tank combined with remote start adds convenience for backup power or heavy-duty tasks. However, the weight isn’t specified, which suggests it could be quite heavy, limiting portability. This model balances power and features but requires some technical know-how during setup, especially with transfer switch readiness. Compared to inverter options, it offers less portability but excels in raw capacity and runtime. If you need a robust, dual fuel generator for long-term backup or heavy use, this makes a compelling choice, despite its size and setup complexity.

    Pros:
    • High peak wattage (12,500W) for large power loads
    • Remote start for easy operation from a distance
    • Long runtime of up to 12 hours on a full tank
    • Multiple outlets including transfer switch ready options
    Cons:
    • Potentially heavy and bulky, limiting portability
    • Setup can be complex for non-technical users

    Best for: Homeowners needing reliable, high-capacity backup power or contractors on large job sites

    Not ideal for: Campers and tailgaters seeking lightweight, quiet operation, or those with limited space

    • Peak Watts:12500
    • Running Watts:9500 (Gas), 8500 (Propane)
    • Fuel Type:Gasoline, Propane
    • Engine:457cc 4-Stroke OHV
    • Run Time:Up to 12 hours
    • Fuel Tank Capacity:6.6 gallons
    • Outlets:GFCI 120V 5–20R, Transfer Switch Ready 120V L14-30R, RV Ready 120/240V 14–50R
    • Start Type:Remote Electric and Recoil

    Bottom line: This generator suits users who prioritize raw power and runtime over portability, making it ideal for backup or heavy-duty use.

  7. Westinghouse 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote Electric Start

    Westinghouse 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator with Remote Electric Start

    Best Quiet, Portable Inverter for Sensitive Electronics

    View Latest Price

    This model, the Westinghouse iGen5000DF, excels in delivering clean, stable power with a peak of 5000 watts, making it appropriate for camping, RVs, or emergency home use, especially compared to larger, noisier models like the WGen9500DF. Its quiet operation at 52 dBA and runtime of up to 18 hours provide a significant advantage for outdoor activities and residential settings. While its precise weight isn’t specified, its inverter design suggests good portability, though it’s still less powerful than the WGen9500DF for heavy loads. The inclusion of remote electric start adds convenience, but the price might be higher relative to its size. This generator is perfect for users who need portable, quiet, and reliable power with sensitive electronics, but less so for those requiring heavy-duty capacity or long runtime under high loads.

    Pros:
    • Quiet operation at 52 dBA, ideal for outdoor use
    • Dual fuel capability offers flexibility with gasoline or propane
    • Remote electric start for convenience
    • Long runtime of up to 18 hours
    Cons:
    • Weight and dimensions not specified, affecting portability assessment
    • Price could be high relative to smaller inverter models

    Best for: Campers, RV owners, or homeowners seeking portable, quiet power for sensitive electronics

    Not ideal for: Heavy-duty construction sites or users needing to run large appliances simultaneously

    • Peak Watts:5000
    • Rated Watts:3900
    • Fuel Type:Gas & Propane
    • Run Time:Up to 18 hours
    • Tank Capacity:3.4 gallons
    • Noise Level:52 dBA
    • Outlets:120V Duplex, RV-Ready TT-30R 30A, 2 USB
    • Start Type:Remote Electric & Recoil

    Bottom line: This inverter generator provides quiet, portable power suited for recreational and residential needs, but isn’t designed for demanding heavy loads.

  8. Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start

    Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start

    Best Heavy-Duty, High-Wattage Backup Power

    View Latest Price

    The Westinghouse WGen11500DFc offers a substantial 14,500 peak watts and 11,500 running watts, positioning it above the WGen9500DF for users who need maximum power, such as large home backup or demanding job sites. It features a sizable 550cc engine, remote start, and transfer switch readiness, similar to the WGen9500DF but with even greater capacity. Its runtime of up to 19 hours on gasoline makes it suitable for extended outages, though the weight isn’t specified, indicating it may be cumbersome to move. Compared to inverter models like the iGen5000DF, it sacrifices portability for raw power. This generator is best suited for those who require extensive power with minimal concern for portability, accepting that setup and transport may be more challenging.

    Pros:
    • Extremely high peak wattage (14,500W) for large loads
    • Remote start for ease of use
    • Long runtime of up to 19 hours on gasoline
    • Transfer switch ready for seamless home backup
    Cons:
    • Likely heavy and less portable due to size
    • Setup may be complex for casual users

    Best for: Large households, construction sites, or emergency preparedness where maximum power is essential

    Not ideal for: Campers, tailgaters, or users needing lightweight, portable solutions

    • Peak Wattage:14,500
    • Running Wattage:11,500
    • Fuel Types:Gasoline, Propane, Natural Gas
    • Engine:550cc 4-Stroke OHV
    • Fuel Tank Capacity:9.5 gallons
    • Runtime on Gasoline:up to 19 hours
    • Start Type:Remote Electric Start
    • Transfer Switch Ready:Yes

    Bottom line: This generator provides the highest power capacity for heavy-duty applications but is less suitable for portable or recreational use.

  9. PowerSmart 3800 Watt Dual Fuel Inverter Generator, Quiet Portable Gas Propane Powered with CO Sensor and RV Ready Outlet, 149cc 4-Stroke OHV Engine

    PowerSmart 3800 Watt Dual Fuel Inverter Generator, Quiet Portable Gas Propane Powered with CO Sensor and RV Ready Outlet, 149cc 4-Stroke OHV Engine

    Best Compact, Quiet Inverter for Camping and Home Backup

    View Latest Price

    The PowerSmart 3800W dual fuel inverter generator offers a compact and lightweight solution for users who prioritize portability and quiet operation, making it ideal for camping, tailgating, or residential backup. Its ability to switch between gasoline and propane adds convenience, and it produces clean power safe for sensitive electronics, surpassing larger, noisier models like the WGen9500DF in portability. The inclusion of a CO sensor and overload protection enhances safety during outdoor use. However, its runtime of approximately 4 hours at full load limits long-term backup capabilities without frequent refueling, and the absence of electric start might be a drawback for some users. This pick makes the most sense for those who need reliable, quiet power on the go, though it’s less suited for extended power outages or demanding workloads.

    Pros:
    • Lightweight (50.7 lbs) and portable design
    • Quiet operation at 70 dB
    • Dual fuel capability for flexible fueling options
    • Produces clean, stable power for sensitive electronics
    Cons:
    • Limited runtime of about 4 hours at full load
    • No electric start feature included

    Best for: Campers, tailgaters, or homeowners needing portable, quiet backup with sensitive electronics

    Not ideal for: Users requiring extensive runtime or heavy-duty power for large appliances

    • Wattage:3800 watts
    • Fuel Type:Gasoline and Propane
    • Power Source:Gas-Powered
    • Runtime:4 hours
    • Total Power Outlets:6
    • Engine Displacement:149cc
    • Engine Type:4-Stroke OHV
    • Noise Level:70dB

    Bottom line: This inverter generator excels for portable, quiet power needs, especially in outdoor or recreational settings, but isn’t designed for extended backup use.

  10. WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with CO Watchdog

    WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with CO Watchdog

    Best Overall Dual Fuel Generator

    View Latest Price

    The WEN 6800-Watt Inverter Generator stands out for providing clean, stable power ideal for sensitive electronics, making it a top choice for RV owners and campers. Compared to the WEN 4750-Watt model, it offers a higher peak wattage and more outlets, which is beneficial for larger setups or multiple devices. Its dual-fuel capability adds flexibility, allowing users to switch between gasoline and propane depending on availability, a key advantage over single-fuel options. However, this power and versatility come with a tradeoff: it has a run time of around 6.1 hours at half load, which may be limiting for extended use. Its safety features, including a CO shutdown sensor, enhance peace of mind, especially for outdoor or recreational use. The lack of specific weight and size details makes portability assessment less straightforward, but its wheel kit and telescoping handle suggest it’s designed for mobility.

    Pros:
    • Provides clean, stable power safe for sensitive electronics
    • Dual-fuel capability offers fuel flexibility
    • Includes safety features like CO shutdown sensor and overload protection
    • Portable with wheels and telescoping handle
    Cons:
    • Run time may be limited to around 6-9 hours depending on load and fuel type
    • Weight and dimensions are not specified, affecting portability assessment

    Best for: RV owners and outdoor enthusiasts needing quiet, clean power with safety features for sensitive electronics

    Not ideal for: Users requiring lightweight, ultra-portable units for quick, short-term power needs, as its size and weight are not specified

    • Engine Displacement:224cc
    • Power Output (Gasoline):6800 surge watts, 5100 rated watts
    • Power Output (Propane):6000 surge watts, 4500 rated watts
    • Noise Level:64 decibels at quarter load
    • Fuel Tank Capacity:2.9 gallons
    • Run Time:Up to 6.1 hours at half load

    Bottom line: This generator is best suited for RV owners and campers who prioritize clean power, safety, and fuel flexibility over ultra-light portability.

  11. WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit

    WEN 4,750-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit

    Best Value Dual Fuel Generator

    View Latest Price

    The WEN 4750-Watt Dual Fuel Generator offers a compelling balance between power, runtime, and affordability, making it an excellent choice for backup power during outages or job sites. While it provides less peak wattage than the WEN 6800, its 4750 surge watts and 3800 running watts are sufficient for most home essentials and small tools. Its longer runtime of up to 11 hours on a 4-gallon tank surpasses the inverter model’s runtime, which is beneficial for extended outages. The electric start simplifies operation, and the included wheel and handle kit enhance mobility, especially compared to more cumbersome models. However, its size and weight could pose challenges for users seeking a truly lightweight unit, and the 4-gallon tank limits continuous operation without refueling. The generator also tends to be noisier during operation, which could be disruptive in quiet environments.

    Pros:
    • Dual fuel capability for flexible power sources
    • Electric start for ease of use
    • Includes mobility kit for transport
    • Long runtime of up to 11 hours
    Cons:
    • Relatively heavy and bulky for some users
    • Limited to a 4-gallon fuel tank, restricting continuous runtime
    • May produce more noise during operation

    Best for: Homeowners and small contractors seeking reliable backup power with easy mobility and longer runtime

    Not ideal for: People needing ultra-lightweight, compact units for quick, portable use, as it is relatively heavy and bulky

    • Power:4750 surge watts / 3800 running watts
    • Voltage:120V/240V
    • Engine:224cc 4-stroke OHV
    • Tank Capacity:4 gallons
    • Runtime:Up to 11 hours at half load
    • Outlets:Two 120V GFCI, 120V/240V NEMA 30A twist lock, 12V DC

    Bottom line: This generator offers excellent value for those needing dependable backup power with extended runtime and mobility features.

best dual fuel generator

How We Picked

The selection process focused on evaluating each generator’s performance, build quality, and value. We considered power output to ensure the units can handle typical household or outdoor needs, and looked at usability features like electric start and remote control. Fuel versatility was a must-have, with a preference for models that can run on both gasoline and propane efficiently. Portability features such as wheels and compact design influenced rankings, especially for users needing mobility. Maintenance and safety features, like CO sensors and overload protection, were also factored in. The final order reflects a balance of these criteria, emphasizing reliability, user convenience, and overall value for different buyer needs.

Factors to Consider When Choosing Best Dual Fuel Generator

Choosing the best dual fuel generator involves considering multiple factors that influence how well it fits your specific needs. Beyond just wattage, you should evaluate ease of use, fuel options, noise levels, and portability. Making the right tradeoffs depends on whether you prioritize power, quiet operation, or budget. Here are key considerations to guide your decision.

Power Capacity and Load Handling

Assess your typical power needs to select a generator with sufficient wattage. Heavy appliances or large RV setups require higher wattage, often 10,000 watts or more, while small electronics can run on inverter models with lower output. Overestimating capacity can lead to unnecessary expense, but undersizing risks overload and failure. Matching your expected load with a generator’s rated wattage ensures reliable operation without strain.

Fuel Efficiency and Runtime

Fuel consumption impacts how long your generator can run between refills, especially during extended outages. Dual fuel models provide flexibility; propane burns cleaner and stores longer, but may have slightly lower energy density than gasoline. Consider the fuel tank size and efficiency ratings—larger tanks and efficient engines extend runtime. However, larger tanks also add weight and size, so balance capacity with portability.

Noise Levels and Operating Environment

Most inverter generators operate more quietly than traditional open-frame units, which is crucial for camping or residential use. If noise is a priority, look for models with decibel ratings below 60 dB. Keep in mind that quieter units tend to have lower maximum wattage and may be more expensive. For outdoor or emergency use, a balance between noise and power is essential to avoid disturbing neighbors or violating local noise ordinances.

Portability and Ease of Use

Features like wheels, handles, and compact design enhance mobility, especially if you plan to move the generator frequently. Electric start and remote controls simplify operation, reducing strain and making startup easier. Consider your storage space and how often you’ll transport the unit when prioritizing these features. Heavier models may require a dedicated setup area, so portability features can significantly impact convenience.

Safety and Additional Features

Safety features such as CO sensors, overload protection, and automatic shutoff are vital, especially for indoor or enclosed space use. Inverter models often excel here, providing cleaner power and built-in safety. Budget models might lack these extras, increasing risk during operation. Evaluate whether the generator includes necessary safety features aligned with your intended environment and usage frequency.

Frequently Asked Questions

Will I be able to run my refrigerator and small appliances at the same time?

Most dual fuel generators with adequate wattage—around 3000 to 6000 watts—can power a refrigerator along with small appliances simultaneously. It’s important to check the starting and running wattage of each device, as some appliances require a higher surge power at startup. Inverter generators generally provide cleaner power suitable for sensitive electronics like refrigerators. Always ensure the total load stays within the generator’s rated capacity to prevent overloads.

Is propane going to run my generator as efficiently as gasoline?

Propane typically burns cleaner and can be stored longer, but it usually provides slightly less energy per volume than gasoline, which can lead to reduced runtime or power output. Many dual fuel generators are designed to handle both fuels efficiently, but some may favor gasoline for maximum power. Keep in mind that propane appliances often have a lower starting wattage, so check the specifications to confirm compatibility with your power needs.

How loud is a typical inverter dual fuel generator?

Inverter dual fuel generators generally operate between 55 and 65 decibels, similar to a normal conversation or background noise. This quieter operation makes them suitable for camping, residential use, or outdoor gatherings. However, larger open-frame models tend to be louder, often exceeding 70 dB, which can be disruptive. If noise is a primary concern, prioritize inverter models with lower decibel ratings and sound-dampening features.

Are there any maintenance concerns with dual fuel generators?

Dual fuel units require regular maintenance similar to single-fuel generators, including oil changes, air filter cleaning, and spark plug checks. Using both fuels can add some complexity, such as draining fuel tanks or inspecting fuel lines more often. Propane tanks have no fuel degradation concern, but gasoline can degrade over time, requiring fuel stabilizers or periodic replacement. Proper storage and routine checks help ensure reliable operation when needed.

Can I use a dual fuel generator indoors?

Using a dual fuel generator indoors is strongly discouraged due to the risk of carbon monoxide poisoning, even with safety features like CO sensors. These generators are designed for outdoor use or well-ventilated areas. If power is needed inside, consider inverter models that are certified for indoor use and always follow safety guidelines. Always operate generators in open spaces away from windows, vents, and doors to ensure proper ventilation.

Conclusion

For most users, the Westinghouse 12500 Watt Dual Fuel Portable Generator offers the best overall performance, suitable for large loads and heavy-duty applications. Budget-conscious buyers or those with moderate needs will find the WEN 5600-Watt Model provides excellent value with balanced power and affordability. Beginners or occasional users should consider inverter models like the Westinghouse 4000 Peak Watt for quiet, easy operation. For those with specific needs such as RV use, models like the WEN 6800-Watt RV-Ready Generator excel. Ultimately, your choice depends on your power requirements, environment, and budget.

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