Dual fuel generators offer the flexibility to run on either gasoline or propane, making them a popular choice for backup power, camping, and RV use. The Westinghouse 14500 Peak Watt Dual Fuel Generator stands out as the top overall option for its high power output and remote start features. For those on a budget, the WEN 3600-Watt Dual Fuel Inverter provides reliable performance at a lower price, while the PowerSmart 3800 Watt Dual Fuel Generator strikes a balance for home and outdoor use. Buyers face tradeoffs between power capacity, portability, noise levels, and cost—key factors that influence the best fit. Continue reading for a detailed breakdown of each model to find your ideal dual fuel generator.
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Key Takeaways
- Top models balance high wattage with portability, making them versatile for different uses.
- Remote start features are common in higher-end options, enhancing convenience but increasing price.
- Inverter generators tend to be quieter and more fuel-efficient, ideal for camping or sensitive electronics.
- Propane compatibility offers longer storage and cleaner operation, but may come with slightly lower power output.
- Price and power capacity often trade off; higher wattage units tend to be more expensive and less portable.
| WEN 4800-Watt Dual Fuel Portable Inverter Generator with Electric Start and CO Watchdog |  | Best Overall for Portable Dual Fuel Power with Safety Features | Engine: 224cc dual-fuel engine | Power: 4800 surge watts, 4000 rated watts (gasoline); 4320 surge watts, 4000 rated watts (propane) | Fuel: Gasoline and propane | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for High Power with Remote Convenience and Long Runtime | Peak Watts (Gasoline): 13500 | Running Watts (Gasoline): 10500 | Peak Watts (Propane): 12500 | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start and Transfer Switch Compatibility |  | Best for Heavy-Duty Backups with Transfer Switch Readiness | Peak Watts: 14,500 | Running Watts: 11,500 | Propane Peak Watts: 13,500 | VIEW ON AMAZON | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for Heavy-Duty Home or Job Site Power | Power Output: 13,000 Watts | Fuel Type: Gasoline, Propane | Start Type: Electric Start | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor |  | Best for Compact, Safe Home Backup with Transfer Capabilities | 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 |
| PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use |  | Best for Quiet, Versatile Home and Camping Power | Starting Watts (Gasoline): 3800 | Running Watts (Gasoline): 3300 | Starting Watts (Propane): 3500 | VIEW ON AMAZON | 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); 2800 surge watts, 2000 rated watts (propane) | Fuel Type: Gasoline, Propane | Engine Displacement: 98cc | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator |  | Best for RV and Backup Power with Heavy Duty Needs | Surge Watts: 6800 (gasoline), 6000 (propane) | Rated Watts: 5100 (gasoline), 4500 (propane) | Engine: 224cc dual-fuel | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 8000-Watt Dual Fuel Portable Generator with Electric Start and CO Watchdog |  | Best for Heavy-Duty Backup with Electric Start | Power: 8000 surge / 6500 rated watts (gasoline), 7200 surge / 5850 rated watts (propane) | Engine: 340cc | Fuel Tank Capacity: 6.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Briggs & Stratton 4375W Dual Fuel Open Frame Inverter Generator |  | Best for Quiet, Long-Run Camping or RV Use | Starting Watts: 4375 | Running Watts: 3500 | Engine: 208cc OHV | 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 Versatile Home Backup and Outdoor Use | Power: 4,750 surge watts / 3,800 running watts (gasoline), 4,350 surge watts / 3,500 running watts (propane) | Voltage: 120V/240V | Engine: 224cc 4-stroke OHV | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor |  | Best for RV Owners and Long-Run Power Needs | Peak Watts: 4650 | Rated Watts: 3600 (Gasoline), 3240 (Propane) | Fuel Tank Capacity: 4 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for Heavy-Duty Power and Large-Scale Backup | Peak Watts: 12500 | Running Watts: 9500 | Fuel Type: Gasoline, Propane | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog |  | Best for Quiet, Sensitive Electronics and Light Outdoor Use | Power Output: 3600 surge watts / 2900 rated watts | Fuel Type: Gasoline, Propane | Noise Level: Extremely quiet | VIEW ON AMAZON | See Our Full Breakdown |
| dual fuel generator | Engine | Run Time |
|---|---|---|
| WEN 4800-Watt Dual Fuel Portab | 224cc dual-fuel engine | — |
| Westinghouse 13500 Peak Watt D | 500cc Westinghouse 4-Stroke OHV | up to 19 hours |
| Westinghouse 14500 Peak Watt D | 550cc 4-Stroke OHV | — |
| DuroStar DS13000MX 13,000-Watt | — | — |
| Westinghouse 6500 Watt Dual Fu | 274 CC Westinghouse 4-Stroke OHV | Up to 14.5 hours |
| PowerSmart 3800 Watt Dual Fuel | — | — |
| WEN 2800-Watt Dual Fuel Invert | — | Up to 9 hours (gasoline) |
| WEN 6800-Watt Dual Fuel RV-Rea | 224cc dual-fuel | — |
| WEN 8000-Watt Dual Fuel Portab | 340cc | Up to 10.5 hours at half load |
| Briggs & Stratton 4375W Dual F | 208cc OHV | — |
| WEN 4,750-Watt 120V/240V Dual | 224cc 4-stroke OHV | up to 11 hours at half load |
| Westinghouse 4650 Peak Watt Du | 212cc 4-Stroke OHV | Up to 14 hours |
| Westinghouse 12500 Watt Dual F | 457cc 4-Stroke OHV | Up to 12 hours |
| WEN 3600-Watt Dual Fuel Portab | — | — |
More Details on Our Top Picks
WEN 4800-Watt Dual Fuel Portable Inverter Generator with Electric Start and CO Watchdog
This WEN inverter generator stands out for its quiet operation and clean power output, making it ideal for sensitive electronics—something the larger Westinghouse models like the Westinghouse 14500 Peak Watt struggle to match in portability. Its dual-fuel capability offers versatile fuel options, though it’s heavier than some other inverter options, which can be a drawback for frequent transport. The CO Watchdog sensor adds safety, a feature not always included in comparable models, but setup complexity may challenge beginners. Compared with larger generators, this unit excels in portability and noise levels, but sacrifices runtime and power capacity.
Pros:- Quiet operation suitable for sensitive electronics
- Dual-fuel capability for flexible fuel choices
- Built-in CO safety sensor for extra protection
- Portable design with wheels and telescoping handle
Cons:- Relatively heavy despite being labeled lightweight
- Complex setup for users unfamiliar with dual-fuel systems
- Limited runtime on a single tank compared to larger generators
Best for: Families or campers needing quiet, portable power with sensitive electronics protection
Not ideal for: Homeowners requiring high wattage for whole-house backup or extended power outages
- Engine:224cc dual-fuel engine
- Power:4800 surge watts, 4000 rated watts (gasoline); 4320 surge watts, 4000 rated watts (propane)
- Fuel:Gasoline and propane
- Noise Level:Extremely quiet, comparable to normal conversation
- Protection:CO Watchdog sensor
- Receptacles:Four 120V, one RV (TT-30R), one 12V DC, two USB ports
Our verdict“This generator is best suited for users prioritizing portability, quiet operation, and safety in light-duty applications.”
Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
Compared with the WEN 4800, this Westinghouse model provides significantly more power and longer runtime, making it better suited for heavy-duty backup or outdoor work. Its remote electric start adds convenience, especially for frequent use, but the increased size and weight make it less portable. The 19-hour runtime is impressive, yet it might produce residual odors after factory testing, which could be a concern for sensitive environments. While not ideal for light-duty or portable applications, this generator excels in delivering high wattage over extended periods.
Pros:- Powerful dual fuel operation with high wattage output
- Remote electric start for effortless operation
- Long runtime of up to 19 hours on a full tank
- Includes essential safety features and accessories
Cons:- Heavy and less portable compared to inverter models
- Potential residual odor after factory testing
- More expensive and larger footprint
Best for: Homeowners or contractors needing reliable, high-capacity power with remote start
Not ideal for: Campers or users needing a lightweight, easy-to-move generator for occasional use
- Peak Watts (Gasoline):13500
- Running Watts (Gasoline):10500
- Peak Watts (Propane):12500
- Running Watts (Propane):9500
- Fuel Tank Capacity:9.5 gallons
- Run Time:up to 19 hours
- Engine:500cc Westinghouse 4-Stroke OHV
Our verdict“This generator is ideal for those seeking high wattage capacity, extended runtime, and remote start convenience for home or job site use.”
Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start and Transfer Switch Compatibility
This Westinghouse model offers robust power, making it suitable for whole-house backup or demanding outdoor jobs, especially when compared to the lighter WEN inverter options. Its long runtime, up to 19 hours, and low THD for sensitive electronics make it versatile. The remote electric start simplifies operation, while transfer switch compatibility adds safety and convenience during outages. However, its weight and size limit portability, and managing dual fuel operation requires some familiarity. This generator strikes a balance between power and safety features but isn’t as convenient for frequent, light-duty transport.
Pros:- High power output suitable for whole-home backup
- Long runtime on a full tank
- Safe for sensitive electronics with low THD
- Remote electric start and transfer switch readiness
Cons:- Heavy and less portable for frequent moving
- Requires fuel management for dual fuel operation
- Higher cost compared to smaller inverter models
Best for: Homeowners needing reliable backup power with transfer switch compatibility
Not ideal for: Campers or users requiring a lightweight, portable unit for occasional outdoor use
- Peak Watts:14,500
- Running Watts:11,500
- Propane Peak Watts:13,500
- Propane Running Watts:10,500
- Fuel Tank Capacity:9.5 gallons
- Runtime on Gasoline:up to 19 hours
- Engine:550cc 4-Stroke OHV
Our verdict“This unit is best for users seeking a powerful, safe backup generator with remote start and transfer switch capabilities.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Remote Electric Start
The DuroStar DS13000MX offers significant power output for whole-house backup, similar to the Westinghouse models, but with a focus on rugged durability thanks to its all-metal construction. Its 13,000-watt capacity makes it suitable for demanding applications, and the push-button electric start simplifies operation. Compared to inverter generators like the WEN 4800, this generator trades quietness for raw power and durability, which can be a key factor for job sites or emergency use. Its weight and noise level mean it’s less suited for frequent portability or quiet environments.
Pros:- High 13,000-watt power output suitable for whole home or heavy tools
- Dual fuel capability for extended operation
- Push-button electric start for ease of use
- All-metal construction for durability
Cons:- Heavy and less portable for frequent moving
- Can be noisy during operation
- Bulkier size limits ease of storage
Best for: Homeowners or contractors needing robust, high-capacity power during outages or construction
Not ideal for: Campers or users seeking lightweight, portable power for recreational use
- Power Output:13,000 Watts
- Fuel Type:Gasoline, Propane
- Start Type:Electric Start
- Transfer Switch Ready:Yes
Our verdict“This generator is best for heavy-duty applications where power and durability outweigh portability and quiet operation.”
Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor
Compared with larger models like the Westinghouse 14500, this 6500-watt generator offers a more manageable size while still delivering sufficient power for essential home circuits or RV needs. Its dual fuel capability provides flexibility, and the built-in CO sensor enhances safety. The 4.7-gallon tank offers up to 14.5 hours of runtime, making it a practical choice for moderate backup power. However, its weight can still be an obstacle for frequent transport, and it may emit residual odors after factory testing, similar to other Westinghouse models. It’s an excellent option for users who want a balance of power and portability.
Pros:- Dual fuel flexibility for longer operation
- Long runtime of up to 14.5 hours
- Built-in CO sensor for safety
- Multiple outlets including RV-ready and transfer switch compatibility
Cons:- Relatively heavy and bulky for frequent moving
- May have residual odors after factory testing
- Limited power compared to larger models
Best for: Homeowners or RV owners needing a reliable, safe backup generator with transfer switch compatibility
Not ideal for: Heavy-duty job sites or users requiring high wattage for large appliances
- 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
Our verdict“This generator provides a balanced mix of power, safety, and portability for moderate backup or RV use.”
PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use
This inverter generator stands out for its exceptionally quiet operation at 59 dBA, making it ideal for situations where neighbor noise matters, unlike larger units like the WEN 8000-Watt. Its dual fuel capability offers flexibility, but the 1.3-gallon tank limits extended runtime, meaning it’s best suited for shorter use or backup needs. It provides up to 8 hours on gasoline and a remarkable 24 hours on propane, with multiple outlets including USB, making it versatile for various devices. The tradeoff is its weight—heavier than portable options like the WEN 2800-Watt—potentially impacting portability for frequent movers.
Pros:- Quiet operation at 59 dBA, neighbor-friendly
- Dual fuel flexibility for convenience
- Long runtime on propane, up to 24 hours
- Multiple outlets including USB ports
Cons:- Limited to 1.3-gallon gas tank, requiring refueling for longer use
- Heavier weight may challenge portability
Best for: Campers, RV owners, or homeowners needing quiet backup power for short durations
Not ideal for: Users seeking extended runtime without frequent refueling or highly portable units for travel
- Starting Watts (Gasoline):3800
- Running Watts (Gasoline):3300
- Starting Watts (Propane):3500
- Running Watts (Propane):3100
- Noise Level:59 dBA
- Gas Tank Capacity:1.3 gallons
- Runtime (Gasoline):8 hours
- Runtime (Propane):24 hours
- Outlets:120V 30A L5-30R, 120V 20A 5–20R, 12V 8A DC, dual 5V 2.1A USB
Our verdict“This inverter generator is perfect for those prioritizing quiet operation and fuel versatility in short-term or backup use.”
WEN 2800-Watt Dual Fuel Inverter Generator, Quiet, Portable, and Lightweight with Fuel Shut Off and CO Watchdog
The WEN 2800-Watt inverter generator is ideal for those who need a lightweight, portable power source that produces clean electricity safe for sensitive electronics, standing out against larger, less portable models like the WEN 6800-Watt. Its 60 dBA noise level makes it suitable for camping or tailgating without disturbing neighbors. While its 1.58-gallon tank offers up to 9 hours of runtime on gasoline, it requires a parallel connection kit for higher power needs, adding complexity and cost. Compared to the PowerSmart inverter, it sacrifices some wattage but gains ease of transport and quieter operation. The main tradeoff is its limited runtime per tank, making it less ideal for extended outages or high-demand scenarios.
Pros:- Produces clean, electronics-safe power
- Lightweight and portable at 45 pounds
- Quiet operation at 60 decibels
- Dual-fuel flexibility with gasoline and propane
Cons:- Limited runtime on a single tank—up to 9 hours
- Requires separate parallel connection kit for higher power
Best for: Campers, tailgaters, or individuals needing portable, electronics-safe power for short periods
Not ideal for: Users requiring high power output or extended runtime without additional units and accessories
- Power Output:2800 surge watts, 2250 rated watts (gasoline); 2800 surge watts, 2000 rated watts (propane)
- Fuel Type:Gasoline, Propane
- Engine Displacement:98cc
- Noise Level:60 decibels
- Tank Capacity:1.58 gallons
- Run Time:Up to 9 hours (gasoline)
- Weight:45 pounds
- Receptacles:Two 120V NEMA 5-20R, one 12V DC, two 5V USB ports
- Warranty:3 years
Our verdict“Best suited for portable, sensitive electronics power in outdoor or short-term backup scenarios, with some additional investment for higher capacity.”
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator
This generator offers significantly more power than the smaller inverter options, with up to 6800 surge watts and 5100 rated watts, making it a strong choice for RVers and backup power, unlike the WEN 2800. Its 224cc dual-fuel engine and multiple outlets support various appliances and even electric vehicle charging. Safety features include a CO shutdown sensor and fuel shutoff, but its weight—over 80 pounds—makes it less portable without assistance. Compared to the WEN 8000-Watt, it’s more compact and easier to handle but still requires careful fuel management. Its higher price reflects its heavy-duty capacity, but it’s less suited for lightweight outdoor use or frequent transport.
Pros:- High power output suitable for RVs and tools
- Includes safety features like CO shutdown sensor
- Multiple outlets for versatile connections
- Wheels and telescoping handle for easier movement
Cons:- Relatively heavy and bulky for portability
- Requires maintenance and fuel management
- Higher price point for its size and features
Best for: RV owners and those needing a reliable backup for home or camping with substantial power demands
Not ideal for: Users seeking a lightweight, portable unit for light camping or occasional use
- Surge Watts:6800 (gasoline), 6000 (propane)
- Rated Watts:5100 (gasoline), 4500 (propane)
- Engine:224cc dual-fuel
- Receptacles:L14-30R 120V/240V, two 120V, TT-30R RV, 12V DC, two USB ports
- Features:Fuel shutoff, CO shutdown sensor, wheels, telescoping handle
- Warranty:3 years
Our verdict“Best for RVers and backup power users needing high wattage with added mobility features, accepting some bulk and cost.”
WEN 8000-Watt Dual Fuel Portable Generator with Electric Start and CO Watchdog
The WEN 8000-Watt generator combines high power, dual-fuel flexibility, and electric start, making it suitable for substantial backup needs, standing apart from smaller units like the WEN 2800. Its 340cc engine and 6.7-gallon tank can sustain over 10 hours of runtime, ideal for longer outages or high-demand situations. Safety features like the CO Watchdog sensor add peace of mind, while its multiple outlets support a variety of appliances. However, the unit’s weight—over 100 pounds—limits portability, and setup can be more complex with multiple outlets and transfer switch compatibility. Its size and weight are tradeoffs for its high wattage and extended runtime, making it less suited for frequent transport or casual outdoor use.
Pros:- High power output suitable for whole-house backup
- Electric start for convenience
- Long runtime of over 10 hours on large tank
- Includes safety features like CO Watchdog
Cons:- Heavy and bulky—over 100 pounds
- More complex setup and maintenance
- Higher cost compared to smaller models
Best for: Homeowners and small business owners requiring heavy-duty backup power in a stationary setup
Not ideal for: Users needing a lightweight, portable generator for camping or mobility-focused tasks
- Power:8000 surge / 6500 rated watts (gasoline), 7200 surge / 5850 rated watts (propane)
- Engine:340cc
- Fuel Tank Capacity:6.7 gallons
- Run Time:Up to 10.5 hours at half load
- Outlets:Four 120V 5-20R, RV-ready, twist lock, 12V DC
- Features:Electric start, CO Watchdog, transfer switch ready
Our verdict“Best for reliable, high-capacity backup power at home or small business, accepting portability limitations.”
Briggs & Stratton 4375W Dual Fuel Open Frame Inverter Generator
This inverter generator offers a balanced mix of wattage and quiet operation, with 4375 starting watts and 3500 running watts, making it suitable for RVs and outdoor adventures, unlike the smaller WEN 2800. Its open-frame design keeps it lightweight enough for portability—at 97 pounds—but still provides a runtime of up to 11.5 hours on a 3-gallon tank. The inverter technology ensures clean power for sensitive electronics, and dual fuel capability adds convenience. Compared to the PowerSmart, it provides more power with comparable noise levels, though it’s heavier and less suited for frequent movement. The main tradeoff is its weight, which can be a concern for users needing a truly portable, lightweight unit.
Pros:- Quiet operation at 60 dB, neighbor-friendly
- Long runtime of up to 11.5 hours
- Inverter technology safe for electronics
- Dual fuel capability
Cons:- Heavy at nearly 100 pounds
- Open-frame design less durable in rough conditions
- Parallel connection requires separate kit
Best for: Campers, RV owners, or outdoor enthusiasts seeking quiet, reliable power with long runtime
Not ideal for: People needing ultra-lightweight units for frequent travel or portability in tight spaces
- Starting Watts:4375
- Running Watts:3500
- Engine:208cc OHV
- Fuel Type:Gasoline or Propane
- Runtime:Up to 11.5 hours
- Noise Level:60 dB
- Weight:97 lbs
Our verdict“Ideal for outdoor and RV use where quiet, long-lasting power is valued over ultra-light portability.”
WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start
This WEN model stands out for its well-rounded combination of power, convenience, and fuel flexibility, making it an excellent choice for those who want a reliable backup or outdoor generator. Compared with the WEN 3600-Watt inverter, it offers significantly higher wattage, suitable for powering larger appliances, though it’s heavier and less portable. The electric start and long runtime of up to 11 hours make it easier to operate during extended outages. Its dual fuel capability allows switching between gasoline and propane, providing flexibility in fuel sourcing. However, its weight and size mean it’s less ideal for frequent transport, and regular maintenance is necessary to keep it running smoothly. This pick makes the most sense for homeowners who need dependable power for home backup or outdoor events without the need for ultra-light portability.
Pros:- High wattage output suitable for whole-house backup
- Electric start simplifies operation
- Long runtime of up to 11 hours at half load
- Dual fuel flexibility for fuel choice
Cons:- Relatively heavy and bulky, limiting portability
- Requires regular maintenance for peak performance
Best for: Homeowners seeking a robust, dual fuel generator for backup power or outdoor jobs that doesn’t compromise on power or convenience.
Not ideal for: Campers or RV owners looking for a lightweight, highly portable unit for frequent travel, as this model is bulky and heavier.
- Power:4,750 surge watts / 3,800 running watts (gasoline), 4,350 surge watts / 3,500 running watts (propane)
- Voltage:120V/240V
- Engine:224cc 4-stroke OHV
- Tank Capacity:4 gallons
- Run Time:up to 11 hours at half load
- Outlets:Two 120V GFCI outlets, 120V/240V twist lock, 12V DC cigarette-lighter-style plug
Our verdict“This generator is best suited for homeowners who prioritize power and reliability over portability and weight.”
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor
This Westinghouse model excels in providing reliable, long-duration power for RV trips and remote sites, thanks to its 14-hour runtime and high wattage for its class. Its RV-ready 30A outlet and multiple household outlets make it versatile for both recreational and emergency scenarios. The built-in CO sensor and safety features enhance its suitability for prolonged use, especially in enclosed spaces. Compared with the WEN 3600-Watt inverter, it offers substantially more power and safety features, though it’s heavier and less portable. The factory residual odor might be a concern for sensitive users, and its bulk makes it less ideal for frequent transport. It’s best for RV owners or those needing a dependable, long-lasting generator for outdoor living or emergency backup.
Pros:- High wattage output with peak and rated power
- Long runtime of up to 14 hours per tank
- Includes essential safety features like CO sensor
- Multiple outlets including RV-ready 30A
Cons:- Relatively heavy and bulky for portability
- Potential residual odor from factory testing
Best for: RVers and outdoor enthusiasts needing a powerful, safe, and long-running dual fuel generator for extended use.
Not ideal for: Casual campers or those needing a lightweight, portable unit for short trips, as this model is heavier and more complex to set up.
- Peak Watts:4650
- Rated Watts:3600 (Gasoline), 3240 (Propane)
- Fuel Tank Capacity:4 gallons
- Run Time:Up to 14 hours
- Engine:212cc 4-Stroke OHV
- Outlets:One 5-20R 120V, One TT-30R 30A, One L5-30R 30A
Our verdict“Ideal for RV owners and outdoor users who prioritize safety, power, and long runtime over portability.”
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
This Westinghouse model makes a clear statement for those needing serious power, with a peak of 12,500 watts and nearly 10,000 watts of continuous output. Its remote start feature adds convenience for users who want quick, keyless operation, especially during power outages. Compared to smaller units like the WEN 4,750-Watt, it’s better suited for large homes or construction sites where high capacity is essential. The 457cc engine and 6.6-gallon tank provide extended runtime, but its size and weight make it less portable, and setup can be complex for first-time users. The higher cost reflects its heavy-duty nature, making it perfect for those who need a dependable, high-capacity generator for serious power demands.
Pros:- Massive power output suitable for whole-house backup
- Remote electric start for quick operation
- Long runtime with a large 6.6-gallon tank
- Multiple outlets including transfer switch ready
Cons:- Heavy and difficult to transport
- Complex setup process for first-time users
Best for: Homeowners or contractors requiring a large, reliable generator capable of running multiple heavy appliances or tools simultaneously.
Not ideal for: Travelers or campers needing a lightweight, portable unit for occasional use, as this model is bulky and demanding to move.
- Peak Watts:12500
- Running Watts:9500
- Fuel Type:Gasoline, Propane
- Engine:457cc 4-Stroke OHV
- Fuel Tank Capacity:6.6 gallons
- Run Time:Up to 12 hours
Our verdict“Best for users who need serious, large-scale power capacity and are less concerned with portability or size.”
WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog
This inverter generator from WEN emphasizes quiet operation and clean power, making it ideal for RVs, camping, or outdoor events where noise and power quality matter. Its 3600 surge watts and 2900 rated watts are sufficient for small appliances, electronics, and basic needs, but fall short of powering larger tools or entire homes. The built-in CO Watchdog sensor enhances safety, especially when used in enclosed spaces. Compared with the larger WEN 4,750-Watt generator, it excels in portability and noise reduction but sacrifices raw power. Its manual setup for propane connection and limited surge wattage mean it’s best suited for light-duty, sensitive electronics rather than heavy-duty or high-capacity demands.
Pros:- Quiet operation suitable for outdoor and RV use
- Protects sensitive electronics with clean power output
- Built-in CO safety sensor for added security
- Dual fuel capability for fuel flexibility
Cons:- Limited surge power for heavy-duty tools
- No detailed runtime or fuel efficiency info
Best for: Campers, RV owners, or outdoor enthusiasts needing quiet operation and clean power for sensitive devices, with occasional dual fuel use.
Not ideal for: Users requiring high wattage for power tools or whole-home backup, as its maximum surge power may be insufficient.
- Power Output:3600 surge watts / 2900 rated watts
- Fuel Type:Gasoline, Propane
- Noise Level:Extremely quiet
- Safety Features:CO Watchdog Shutdown Sensor
- Receptacles:Two 120V, one RV TT-30R, one 12V DC, two USB ports
- Warranty:3 years
Our verdict“Perfect for outdoor recreation and RV use where quiet, clean power and safety features are priorities over high wattage.”
How We Picked
Products were selected based on their power output, fuel versatility, usability features, and build quality. We prioritized models that offer reliable switching between fuels, ease of operation, and durability for various environments. Each generator was evaluated for value, noise levels, and compatibility with accessories like transfer switches and RV outlets. The ranking reflects a balance between performance, versatility, and user-friendly features, aiming to guide different types of buyers from casual campers to home backup users.Factors to Consider When Choosing Dual Fuel Generators
Choosing the right dual fuel generator requires understanding your specific needs and weighing several key factors. Beyond raw power, considerations like fuel efficiency, noise levels, portability, and ease of use can dramatically impact satisfaction. This guide highlights critical aspects to keep in mind, helping you avoid common pitfalls and make an informed decision that matches your lifestyle and budget.Power Output and Capacity
Assess your power needs carefully before selecting a generator. Larger appliances or multiple devices require higher wattage, so choose a model with sufficient capacity to handle your load without strain. Keep in mind that inverter generators typically provide cleaner power for sensitive electronics, but may have lower wattage compared to open-frame options. Overestimating your needs can lead to unnecessary expense and reduced portability, while underestimating can cause insufficient power during outages or outdoor activities.
Fuel Flexibility and Consumption
Dual fuel capability allows switching between gasoline and propane, which can be advantageous for storage and convenience. Propane offers a longer shelf life and cleaner burning, making it suitable for emergency reserves, while gasoline provides quick, on-demand power. Consider the fuel efficiency of each model; some generators are designed to run longer on a single tank of fuel, which is critical during extended outages. Be aware that not all models deliver the same wattage on both fuels, so check specifications carefully.
Portability and Size
Portability is often overlooked but essential, especially if you plan to move the generator frequently. Lighter models with wheels and manageable sizes tend to be more convenient, but may compromise on power capacity. Conversely, larger units can deliver higher wattage but are less portable and more cumbersome to store. Think about how you’ll transport it—whether for camping, RV use, or backup at home—and choose accordingly to avoid frustration or overinvestment in a heavy, unwieldy machine.
Noise Levels and Operating Comfort
Generators vary significantly in noise output, which impacts usability in residential or outdoor settings. Inverter models are generally quieter and better suited for camping or quiet neighborhoods. Higher wattage units, especially open-frame models, tend to be louder but often deliver more power. Consider noise ratings (measured in decibels) carefully; lower numbers mean quieter operation. Also, features like built-in mufflers or sound-dampening enclosures can improve comfort during prolonged use.
Additional Features and Accessories
Features like remote start, electric start, transfer switch compatibility, and multiple outlets enhance convenience and functionality. For RV users, look for units with RV-ready outlets and 30A or 50A connections. Safety features such as CO sensors and automatic shutoffs are vital for indoor or enclosed space use. While these extras add to the cost, they can significantly improve your experience and safety. Always check if the generator includes essential accessories like wheels, cables, or transfer switches, or if you’ll need to purchase them separately.
Frequently Asked Questions
Can I switch between gasoline and propane while the generator is running?
Most dual fuel generators are designed for safe switching only when the unit is turned off, to prevent fuel leaks or damage. Many models do allow manual switching between fuels easily, but attempting to change fuels mid-operation can cause safety hazards or engine issues. Always follow the manufacturer’s instructions and ensure the generator is fully stopped before switching fuels to maintain safety and prolong the engine’s lifespan.
Are dual fuel generators more reliable than single fuel models?
Dual fuel generators offer greater flexibility rather than inherently greater reliability. They allow you to switch fuel sources if one becomes scarce or unavailable, which can be a significant advantage during emergencies. However, they tend to be slightly more complex mechanically, potentially requiring more maintenance. Overall, their reliability depends on build quality and proper upkeep, just like single fuel models, but they provide added versatility in fuel options.
How long can I expect a dual fuel generator to run on a full tank of gas or propane?
Run time varies widely depending on wattage load, fuel tank size, and the specific model. Smaller inverter generators might run for 6-12 hours on a single tank at half load, while larger models can operate for 8-16 hours or more. Propane tanks, especially larger ones, can extend runtime significantly due to longer storage life and steady pressure. Always check the manufacturer’s specifications for estimated run times at various loads to plan your usage accordingly.
Is it worth paying extra for remote start or electric start features?
Remote and electric start features add convenience, especially during power outages or outdoor activities where manual starting can be cumbersome. They reduce strain and improve safety by allowing you to start the generator from a distance or with minimal effort. However, these features come at a higher cost and can sometimes increase maintenance complexity. For frequent use or in emergency scenarios, investing in these features is often justified; for occasional use, manual pull-start models may suffice.
What maintenance is required for dual fuel generators, and does it differ from single fuel models?
Maintenance routines for dual fuel generators are similar to those of single fuel units, including oil changes, air filter cleaning, and spark plug inspection. The additional complexity of dual fuel systems means you should regularly check fuel lines and connections for leaks or blockages. Propane systems generally require less maintenance since propane burns cleaner, but gasoline parts can still accumulate deposits over time. Proper storage and periodic running to keep the engine in good condition are essential for reliable operation.
Conclusion
For most users, the Westinghouse 14500 Peak Watt Dual Fuel Generator offers the best overall balance of power, convenience, and durability, making it ideal for backup power at home. Budget-conscious buyers should consider the WEN 3600-Watt Dual Fuel Inverter, which provides reliable performance without breaking the bank. For those seeking premium features and maximum power, the Westinghouse 13500 Peak Watt Generator or the WEN 6800-Watt RV-Ready Model stand out as excellent choices. Beginners or occasional users will appreciate simpler, quieter models like the PowerSmart 3800 Watt, while RV owners should prioritize models with RV-ready outlets and transfer switch compatibility. Ultimately, your choice hinges on your specific power needs, portability preferences, and budget constraints.
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