Dual fuel generators offer the flexibility to run on gasoline or propane, making them ideal for backup power, outdoor events, or RV use. The Westinghouse 12500 Watt Dual Fuel Generator stands out as the best overall choice thanks to its power and remote start feature. For budget-conscious buyers, the WEN 6800-Watt Dual Fuel Inverter provides reliable performance at a lower price. Meanwhile, those seeking quiet operation may prefer the WEN 2800-Watt Inverter Generator, perfect for camping or RV trips. However, tradeoffs include size, noise levels, and price, which vary significantly across models. Keep reading for a detailed breakdown to help you find the right fit for your needs.
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Key Takeaways
- Top models like the Westinghouse 12500 Watt excel in power and features, suitable for heavy-duty use.
- Inverter generators focus on quieter operation and cleaner power, ideal for sensitive electronics.
- Price and portability often trade off with power capacity and features; balance your priorities carefully.
- Features like CO sensors, remote start, and RV readiness are common in higher-end models, increasing safety and convenience.
- Choosing between gas and propane depends on your use case; propane offers cleaner burning and longer shelf life.
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best Overall Dual Fuel Generator for Power and Convenience | Peak Watts: 12500 | Running Watts: 9500 | Fuel Type: Gasoline, Propane | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best for Extended Runtime and Heavy Duty Power | Peak Watts: 14500 | Running Watts: 11500 | Fuel Types: Gasoline, Propane | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor |  | Best for Safe, Versatile Home Backup with Safety Features | Gasoline Watts: 5300 | Propane Watts: 4800 | Fuel Tank Capacity: 4.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start |  | Best Heavy-Duty Power for Large-Scale Needs | Power Output: 13,000 Watts | Fuel Type: Gasoline and Propane | Start Type: Electric | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start and CO Sensor |  | Best for High Power and Safety Features Combined | Peak Watts: 12500 | Running Watts: 9500 | Fuel Type: Gasoline, Propane | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 4650 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best Overall Dual Fuel Portable Generator | Rated Watts (Gasoline): 3600 | Peak Watts (Gasoline): 4650 | Rated Watts (Propane): 3240 | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 8000-Watt 120V/240V Dual Fuel Portable Generator with Electric Start and CO Watchdog |  | Best High-Power Dual Fuel Generator for Heavy Use | Power Output: 8000 surge watts / 6500 rated watts (gasoline), 7200 surge watts / 5850 rated watts (propane) | Engine: 340cc | Fuel Tank Capacity: 6.7 gallons | VIEW ON AMAZON | See Our Full Breakdown |
| Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready, Gas & Propane Powered |  | Best Value Dual Fuel Generator with Safety Features | Peak Watts (Gasoline): 4650 | Rated Watts (Gasoline): 3600 | Peak Watts (Propane): 4650 | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 4800-Watt Dual Fuel Inverter Generator with Electric Start and CO Watchdog |  | Best Quiet and Sensitive Electronics Friendly Inverter | Engine: 224cc dual-fuel | Surge Watts: 4800 | Rated Watts: 4000 | 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 Compact and Portable Dual Fuel Inverter | Power Output: 2800 surge watts, 2250 rated watts (gasoline); 2800 surge watts, 2000 rated watts (propane) | Fuel Tank Capacity: 1.58 gallons | Run Time: Up to 13.9 hours | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 11,000-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit |  | Best Overall for Heavy-Duty Backup and Job Sites | Power: 11,000 surge / 8,300 running watts (gas), 9,500 surge / 7,500 running watts (propane) | Voltage: 120V/240V | Engine: 457cc 4-stroke OHV | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog |  | Best for Quiet, Sensitive Electronics in Portable Applications | Power Output (Gasoline): 3600 surge / 2900 rated watts | Power Output (Propane): 3500 surge / 2600 rated watts | Receptacles: Two 120V, one RV TT-30R, one 12V DC, two USB | VIEW ON AMAZON | See Our Full Breakdown |
| PowerSmart 4400W Dual Fuel Inverter Generator, Gas and Propane Portable Generator with 223cc Engine, 30A RV Ready, Auto Switch, EPA, CO Sensor, Parallel Ready, for Home and Outdoor Use |  | Best for Versatile Home and Outdoor Power with Advanced Safety | Engine Displacement: 224cc | Surge Watts (Gasoline): 6800 | Rated Watts (Gasoline): 5100 | VIEW ON AMAZON | See Our Full Breakdown |
| WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start |  | Best Budget-Friendly Dual Fuel Backup for Small- to Medium-Loads | Power: 4,750 surge / 3,800 running watts (gas), 4,350 surge / 3,500 running watts (propane) | Voltage: 120V/240V | Engine: 224cc 4-stroke OHV | VIEW ON AMAZON | See Our Full Breakdown |
| dual fuel generator | Run Time | Engine | Fuel Tank Capacity |
|---|---|---|---|
| Westinghouse 12500 Watt Dual F | Up to 12 hours | 457cc 4-Stroke OHV | 6.6 gallons |
| Westinghouse 14500 Peak Watt D | Up to 19 hours | 550cc 4-Stroke OHV | — |
| Westinghouse 6500 Watt Dual Fu | Up to 14.5 hours | 274cc 4-Stroke OHV | 4.7 gallons |
| DuroStar DS13000MX 13,000-Watt | — | — | — |
| Westinghouse 12500 Peak Watt D | — | 457cc 4-Stroke OHV | — |
| Westinghouse 4650 Peak Watt Du | — | — | 4 gallons |
| WEN 8000-Watt 120V/240V Dual F | — | 340cc | 6.7 gallons |
| Westinghouse 4650 Peak Watt Du | Up to 14 hours | — | 4 gallons |
| WEN 4800-Watt Dual Fuel Invert | Up to 7 hours | 224cc dual-fuel | 1.9 gallons |
| WEN 2800-Watt Dual Fuel Invert | Up to 13.9 hours | — | 1.58 gallons |
| WEN 11,000-Watt Dual Fuel Port | Up to 8.5 hours at half load | 457cc 4-stroke OHV | — |
| WEN 3600-Watt Dual Fuel Portab | — | — | — |
| PowerSmart 4400W Dual Fuel Inv | up to 6.1 hours at half load | — | 2.9 gallons |
| WEN 4,750-Watt 120V/240V Dual | up to 11 hours at half load | 224cc 4-stroke OHV | — |
More Details on Our Top Picks
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
This model stands out for its impressive 12,500 peak watts and long runtime of up to 12 hours, making it suitable for emergency backup or heavy-duty job sites. Compared to the Westinghouse WGen11500DFc, it offers slightly less peak power but is more portable and easier to handle, though it remains bulky and weighty. The remote electric start adds convenience, especially during emergencies when quick startup matters. Its multiple outlets, including transfer switch-ready and RV options, provide versatile connections. However, its size and weight may make transportation challenging without wheels, and the higher price reflects its robust features. This generator is best for users needing reliable, high-capacity power with ease of remote operation, such as contractors or serious homeowners.
Pros:- Powerful 12,500 peak watts suitable for large appliances
- Remote electric start for quick, effortless operation
- Long runtime of up to 12 hours on a full tank
- Multiple outlets including transfer switch and RV ready
Cons:- Heavy and large, difficult to transport without wheels
- Complex setup for first-time users
- Higher price point compared to smaller generators
Best for: Homeowners or contractors needing high wattage backup with remote start and multiple outlet options
Not ideal for: Small households or casual campers who prioritize portability over raw power and may find it too heavy to move easily
- Peak Watts:12500
- Running Watts:9500
- Fuel Type:Gasoline, Propane
- Engine:457cc 4-Stroke OHV
- Run Time:Up to 12 hours
- Fuel Tank Capacity:6.6 gallons
Our verdict“This generator suits users needing high power output combined with remote convenience and durable build quality.”
Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
This model excels with its massive 14,500 peak watts and an extended runtime of up to 19 hours on gasoline, making it ideal for prolonged outages or demanding job sites. Compared to the Westinghouse WGen9500DF, it offers a higher wattage and larger fuel tank, but at a heavier weight, which could complicate transport. The electric and remote start options make startup easier during critical moments. Its transfer switch readiness simplifies home backup setup, though the size and weight may require assistance for moving. This generator’s power and endurance come with tradeoffs in portability and initial complexity. This pick makes the most sense for users prioritizing maximum wattage and long runtime, especially for extended outages or large-scale projects.
Pros:- Highest wattage output among these options for demanding loads
- Extended runtime of up to 19 hours
- Electric and remote start for quick operation
- Transfer switch ready for home backup
Cons:- Heavy and difficult to move alone
- No specific weight provided, but implied to be bulky
- Setup may be overwhelming for casual users
Best for: Large households, construction crews, or emergency responders needing extended power capacity
Not ideal for: Campers or small property owners seeking lightweight, portable solutions
- Peak Watts:14500
- Running Watts:11500
- Fuel Types:Gasoline, Propane
- Tank Capacity:9.5 gallons
- Run Time:Up to 19 hours
- Engine:550cc 4-Stroke OHV
Our verdict“This generator is best suited for those needing maximum power and runtime, accepting portability challenges for long-term reliability.”
Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor
This generator offers a balanced mix of power, safety, and fuel flexibility, with up to 6,500 watts peak and 5,300 watts running on gasoline, or slightly less on propane. Compared with the larger models, it’s more manageable in size and weight, making it suitable for homeowners who want reliable backup with safety features like a CO sensor and automatic low oil shutdown. Its runtime of 14.5 hours is solid for typical outages, but it isn’t designed for high-demand appliances or large-scale job sites. The multiple outlets, including transfer switch-ready options, add convenience. The tradeoff involves less raw power and a more compact form factor, which may limit use for very heavy loads. This generator is ideal for homeowners seeking safe, flexible backup power without the bulk of larger units.
Pros:- Dual fuel capability for flexibility
- Built-in CO sensor and safety features
- Long runtime of up to 14.5 hours
- Transfer switch ready for easy home connection
Cons:- Limited power for large appliances
- Heavier than small inverter units, may need help moving
- Potential residual fuel or oil odor from factory testing
Best for: Homeowners seeking safe, reliable backup power with safety features and moderate wattage
Not ideal for: Users needing high wattage for heavy equipment or large appliances, or those requiring maximum runtime
- Gasoline Watts:5300
- Propane Watts:4800
- Fuel Tank Capacity:4.7 gallons
- Run Time:Up to 14.5 hours
- Engine:274cc 4-Stroke OHV
- Features:CO sensor, low oil shutdown
Our verdict“This model best serves homeowners who want safe, flexible backup power for average household needs with safety features included.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start
The DuroStar DS13000MX is designed for users who require serious power, offering 13,000 watts of capacity with dual fuel flexibility. Its all-metal construction and electric start make it suitable for demanding environments like construction sites or whole-house backup. Compared to the Westinghouse models, it emphasizes durability and ruggedness, though it’s also notably heavier and noisier, which could be a concern for residential use. The 50-amp outlet supports large loads, but its size and weight mean it’s less portable for casual users. This generator’s strength lies in its ability to deliver consistent, high-capacity power, accepting tradeoffs like increased size and noise. This model makes sense for those prioritizing raw power and durability over portability.
Pros:- High 13,000-watt output for demanding loads
- All-metal construction for durability
- Electric start for easy operation
- Supports 50-amp outlets for heavy equipment
Cons:- Heavy and bulky, difficult to transport
- Higher noise levels typical of large generators
- Not designed for easy portability
Best for: Construction crews, large households, or outdoor events requiring high wattage and rugged build
Not ideal for: Campers or small property owners needing portable, lightweight solutions
- Power Output:13,000 Watts
- Fuel Type:Gasoline and Propane
- Start Type:Electric
- Outlet:50-Amp
- Construction:All-metal
Our verdict“This generator is best for users who need robust, high-capacity power with durability, accepting portability limitations.”
Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start and CO Sensor
This generator offers a strong balance of power and safety, with up to 12,500 peak watts and a durable 457cc engine. Its remote electric start provides quick operation, and multiple outlets including transfer switch-ready and RV options make it versatile for backup or job site use. Compared to the Westinghouse WGen9500DF, it adds a CO sensor for enhanced safety, but shares similar wattage and runtime specifications. Its bulky size and weight make transport less convenient, and the price reflects the added safety features and power. It’s a solid choice for users needing reliable, high wattage power with a focus on safety. This generator is ideal for safety-conscious users who need high-capacity backup power with remote operation capability.
Pros:- High 12,500 peak wattage for demanding appliances
- Remote electric start for convenience
- Includes safety features like CO sensor
- Multiple outlets including transfer switch and RV ready
Cons:- Heavy and less portable
- Potential residual fuel or oil odor from factory testing
- Higher cost with added safety features
Best for: Homeowners or small business owners prioritizing high power with safety features like CO sensors
Not ideal for: Users seeking lightweight, portable generators for frequent transport or camping
- Peak Watts:12500
- Running Watts:9500
- Fuel Type:Gasoline, Propane
- Engine:457cc 4-Stroke OHV
- Tank Capacity:6.6 gallons
- Features:Remote start, CO sensor
Our verdict“This generator suits users needing high wattage power combined with enhanced safety features, despite its weight and size.”
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
This model stands out for its combination of power, convenience, and versatility. With 3600 rated watts on gasoline and a peak of 4650, it can comfortably handle most home backup needs, especially when compared with smaller inverter options like the WEN 2800. Its remote electric start simplifies operation during emergencies or outdoor setups. The dual fuel capability allows switching between gasoline and propane, offering flexibility for different fuel supplies. However, some units may arrive with residual fuel or oil odors from factory testing, and assembly of wheels and battery hookup is required. The 4-gallon tank is adequate but not exceptional for longer runtimes. Backed by a 3-year warranty, it balances power and ease of use well. This pick makes the most sense for homeowners seeking reliable backup or RV owners needing versatile power.Pros:- Dual fuel operation offers flexible fuel choices
- Remote electric start for quick, effortless ignition
- Multiple outlets including RV-ready for varied needs
- Backed by a 3-year warranty and nationwide support
Cons:- May emit residual fuel or oil odors from factory testing
- Assembly required for wheels and battery hookup
Best for: Homeowners who want a reliable, versatile generator for backup power or RV use with minimal fuss.
Not ideal for: Those seeking a lightweight, ultra-portable inverter for camping or tailgating—this model is heavier and less portable.
- Rated Watts (Gasoline):3600
- Peak Watts (Gasoline):4650
- Rated Watts (Propane):3240
- Peak Watts (Propane):4650
- Fuel Tank Capacity:4 gallons
- Start Type:Remote Electric Start
- Outlets:5-20R 120V Duplex, RV TT-30R 30A, L5-30R 30A
- Warranty:3 years
Our verdict“This generator suits homeowners and RV enthusiasts who prioritize power, convenience, and versatility in a dual fuel model.”
WEN 8000-Watt 120V/240V Dual Fuel Portable Generator with Electric Start and CO Watchdog
The WEN DF8000X is designed for demanding power needs, offering 8000 surge watts and 6500 rated watts on gasoline, or slightly lower on propane, which surpasses many competitors like the Westinghouse 4650 for sheer capacity. Its 6.7-gallon tank enables up to 10.5 hours of runtime, appealing to those needing extended power during outages or on job sites. The electric start simplifies operation, especially compared to manual pull-start models. Safety features like a CO Watchdog sensor add peace of mind. However, its weight and bulk make it less suited for frequent transport, and it can be noisy during operation. Regular maintenance is necessary for long-term reliability, but its high power output and safety features justify the tradeoffs. This makes sense for homeowners with high power demands or contractors needing reliable backup.Pros:- Exceptional power output suitable for large loads
- Electric start for quick ignition
- Large 6.7-gallon fuel tank for long runtimes
- Includes safety features like CO Watchdog sensor
Cons:- Heavy and bulky, less portable for frequent movement
- Can be noisy during operation
- Requires regular maintenance
Best for: Homeowners or contractors needing high wattage capacity for extended use and reliable safety features.
Not ideal for: Campers or tailgaters seeking ultra-lightweight portable units—this generator is bulky and heavier than inverter models.
- Power Output:8000 surge watts / 6500 rated watts (gasoline), 7200 surge watts / 5850 rated watts (propane)
- Engine:340cc
- Fuel Tank Capacity:6.7 gallons
- Runtime:Up to 10.5 hours at half load
- Outlets:Four 120V 5-20R, one RV-ready 120V 30-amp, one 120V/240V 30-amp NEMA L14-30R, one DC 12V
- Features:Electric start, CO Watchdog, wheel kit
Our verdict“This generator is best suited for users needing serious power for home or worksite, accepting its size and noise as tradeoffs.”
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready, Gas & Propane Powered
Compared with the larger Westinghouse 12500, this 4650-watt model offers a more compact, affordable option without sacrificing essential features. Its 212cc engine provides enough power for RVs, camping, and light backup, with a runtime of up to 14 hours on a 4-gallon tank, making it a practical choice for prolonged use. The dual fuel capability adds convenience, and safety features like automatic low oil and CO shutdown enhance reliability. However, its weight and size still limit portability somewhat, and residual odors may remain after factory testing. It balances power, safety, and affordability, making it appealing to those who need a capable, versatile generator for moderate use.Pros:- Dual fuel capability for convenience
- Long runtime of up to 14 hours
- Multiple outlets including RV-ready
- Safety features like CO and low oil shutdown
Cons:- Relatively heavy and bulky for portable use
- May emit residual odors from factory testing
Best for: Campers, RV owners, or homeowners needing a reliable, safe, and affordable dual fuel generator for moderate power needs.
Not ideal for: Power users needing high wattage for large appliances or heavy-duty tools—this unit’s capacity may be insufficient.
- Peak Watts (Gasoline):4650
- Rated Watts (Gasoline):3600
- Peak Watts (Propane):4650
- Rated Watts (Propane):3240
- Fuel Tank Capacity:4 gallons
- Run Time:Up to 14 hours
- Outlets:5-20R 120V, TT-30R RV, L5-30R 30A
- Safety Features:Automatic low oil, CO shutdown
Our verdict“This generator offers a balanced mix of safety, runtime, and affordability for moderate power needs and outdoor recreation.”
WEN 4800-Watt Dual Fuel Inverter Generator with Electric Start and CO Watchdog
The WEN 4800-Watt inverter generator excels in producing clean, quiet power—ideal for sensitive electronics—thanks to its inverter technology and a decibel level of 62, comparable to a normal conversation. Its 224cc dual-fuel engine offers 4000 rated watts on gasoline, slightly less than the WEN 2800, but with added safety features like a CO Watchdog sensor. Electric start simplifies operation, but runtime of up to 7 hours on a 1.9-gallon tank may be limiting for extended outdoor use. Its portability, with wheels and a telescoping handle, makes it suitable for tailgating or camping. Compared to larger models, it sacrifices some power but gains in noise and portability. It’s a good choice for those prioritizing quiet, safe power for electronics in outdoor or emergency settings.Pros:- Produces very quiet, clean power safe for electronics
- Electric start for easy operation
- Dual fuel capability offers flexibility
- Includes safety features like CO shutdown
Cons:- Limited runtime of around 7 hours
- Weight not specified, which may affect portability
- Parallel connection kit sold separately
Best for: Campers, tailgaters, or emergency users needing quiet, clean power for sensitive devices and portability.
Not ideal for: Users needing high wattage for heavy tools or appliances—this inverter’s capacity may be insufficient for demanding loads.
- Engine:224cc dual-fuel
- Surge Watts:4800
- Rated Watts:4000
- Fuel Tank Capacity:1.9 gallons
- Run Time:Up to 7 hours
- Receptacles:Four 120V, one RV TT-30R, one 12V DC, two USB
- Features:Electric start, CO Watchdog
Our verdict“This inverter generator is best suited for outdoor enthusiasts and emergency users prioritizing quiet, safe, and portable power.”
WEN 2800-Watt Dual Fuel Inverter Generator, Quiet, Portable, and Lightweight with Fuel Shut Off and CO Watchdog
This WEN 2800-Watt inverter generator offers a highly portable solution for those who need clean power without excess weight—at just 45 pounds, it’s significantly lighter than larger units like the WEN 8000. Its 98cc engine produces 2250 rated watts on gasoline and 2000 on propane, making it suitable for small appliances and electronics. The fuel shutoff and CO safety sensor add peace of mind, especially for outdoor or emergency use. Its runtime of up to 13.9 hours on half load makes it efficient for outdoor activities, though it doesn’t match the extended runtime of larger models. The parallel connection feature allows scaling power when needed, but the separate kit adds cost. This generator makes sense for campers, tailgaters, or light backup power users who prioritize portability without sacrificing safety.Pros:- Lightweight and highly portable at 45 pounds
- Produces clean, safe power for sensitive electronics
- Dual fuel capability with safety features
- Parallel connection capability for scaling power
Cons:- Limited runtime compared to larger generators
- Features like parallel connection sold separately
- Lower power output suitable for small loads only
Best for: Outdoor enthusiasts, tailgaters, or emergency preppers needing a lightweight, safe, and scalable power source.
Not ideal for: Users requiring high power for heavy-duty tools or appliances—this unit’s capacity is limited for larger loads.
- Power Output:2800 surge watts, 2250 rated watts (gasoline); 2800 surge watts, 2000 rated watts (propane)
- Fuel Tank Capacity:1.58 gallons
- Run Time:Up to 13.9 hours
- Engine Displacement:98cc
- Noise Level:60 decibels at no load
- Weight:45 pounds
- Receptacles:Two 120V, one 12V DC, two USB
- Features:Fuel shutoff, CO shutdown, eco-mode, parallel ready
Our verdict“This generator is ideal for outdoor users needing portable, safe, and scalable power for small electronics and outdoor activities.”
WEN 11,000-Watt Dual Fuel Portable Generator with Electric Start and Wheel Kit
This WEN model stands out for its high power output, making it suitable for large-scale backup needs or construction sites. Compared with the WEN 6800-Watt inverter, it offers significantly more surge capacity, but it also weighs more and is less portable. The electric start and wheel kit add convenience, yet the heavier build means it’s less ideal for frequent transport. Its dual fuel capability provides excellent flexibility, though managing its size and weight requires some effort. For those needing robust, long-running power, this generator delivers reliable performance, but casual users or those with limited storage space might find it cumbersome.
Pros:- High surge and running wattage for demanding equipment
- Electric start simplifies operation under stress
- Multiple outlets support various devices and tools
- Wheel kit enhances portability despite weight
Cons:- Heavy and bulky for frequent movement
- Higher price point may be a barrier for casual users
- Longer run time may necessitate careful fuel management
Best for: Families or contractors needing reliable, high-capacity backup power or job site support.
Not ideal for: Campers or homeowners who prioritize portability and easy handling over sheer power, due to its weight and bulk.
- Power:11,000 surge / 8,300 running watts (gas), 9,500 surge / 7,500 running watts (propane)
- Voltage:120V/240V
- Engine:457cc 4-stroke OHV
- Tank Capacity:6.6 gallons
- Run Time:Up to 8.5 hours at half load
- Outlets:Four 120V GFCI, 120V 30A twist lock, 120V/240V 50A, 12V DC
Our verdict“This generator is best suited for users who need serious power and can handle its size and weight for backup or job site use.”
WEN 3600-Watt Dual Fuel Portable Inverter Generator with CO Watchdog
This inverter generator excels in delivering clean, stable power ideal for sensitive electronics, making it a top choice for RVers and outdoor enthusiasts. It offers dual fuel flexibility like the PowerSmart 4400W, but with significantly quieter operation—comparable to a normal conversation—making it suitable for residential use. The built-in CO watchdog sensor and fuel shut-off enhance safety, though its wattage capacity limits its use to lighter loads compared to larger models like the Westinghouse 12500. Its portability is a highlight, but the weight and limited surge capacity restrict heavier-duty applications. Overall, this generator balances power, safety, and quiet operation for those who prioritize delicate electronics and outdoor convenience.
Pros:- Quiet operation suitable for residential or outdoor use
- Dual-fuel flexibility enhances convenience
- Protects sensitive electronics with clean power output
- Includes safety features like CO shutdown sensor
Cons:- Limited to 3600 surge watts, restricting heavy loads
- Relatively heavy for a portable inverter
- May require careful handling of recoil start for longevity
Best for: Campers, RV owners, or outdoor workers needing quiet, safe power for electronics and small appliances.
Not ideal for: Users requiring high wattage for large appliances or extensive power needs, due to its limited capacity compared to larger generators.
- Power Output (Gasoline):3600 surge / 2900 rated watts
- Power Output (Propane):3500 surge / 2600 rated watts
- Receptacles:Two 120V, one RV TT-30R, one 12V DC, two USB
- Fuel Type:Gasoline, Propane
- Safety Features:CO Watchdog sensor, fuel shut-off
- Warranty:3 years
Our verdict“Ideal for those needing a quiet, portable inverter with safety features for electronics and outdoor activities, but not for heavy-duty power demands.”
PowerSmart 4400W Dual Fuel Inverter Generator, Gas and Propane Portable Generator with 223cc Engine, 30A RV Ready, Auto Switch, EPA, CO Sensor, Parallel Ready, for Home and Outdoor Use
This PowerSmart model offers a balanced mix of power, safety, and convenience, with up to 4400W surge power on gasoline and 4000W on propane. It’s notably quieter than traditional generators, making it suitable for both residential and outdoor use, especially where noise is a concern. Its safety features, including CO detection, overload protection, and low-oil shutoff, provide peace of mind during extended use. Compared to the WEN inverter, it offers similar wattage but with slightly longer runtime at 25% load, and its compact size makes it easier to move around. However, its 65-pound weight can be a challenge for some users, and runtime varies with load and fuel type, meaning it’s not ideal for continuous heavy-duty use without planning. Still, it makes a reliable choice for versatile, safe power for small to medium loads.
Pros:- Dual fuel capability for flexible power options
- Quiet operation suitable for residential and outdoor environments
- Built-in safety features including CO detection and overload protection
- Compact and portable with extended runtime
Cons:- Heavy at 65 lbs, may require assistance for transport
- Runtime varies with load and fuel type, limiting heavy-duty use
- Requires proper recoil start handling for longevity
Best for: Homeowners, campers, or RV travelers seeking a portable, safe generator with auto switch and parallel capability.
Not ideal for: People needing continuous high wattage for large appliances or those unwilling to handle its weight regularly.
- Engine Displacement:224cc
- Surge Watts (Gasoline):6800
- Rated Watts (Gasoline):5100
- Fuel Tank Capacity:2.9 gallons
- Run Time:up to 6.1 hours at half load
- Decibel Level:64 dB at quarter load
Our verdict“This generator works well for versatile outdoor or home applications where safety and portability are priorities, despite its weight and runtime considerations.”
WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start
This WEN generator offers a solid balance of power and affordability, with 4,750 surge watts and a 224cc engine, making it suitable for emergency backup or small job sites. The electric start adds ease of use, but the unit’s weight and size can be a drawback for frequent mobility. Compared with larger models like the Westinghouse 12500, it’s less capable for extensive power needs but excels in portability and cost-effectiveness. Its dual fuel setup provides versatility, though it’s best suited for users with moderate power requirements who can handle its size. For occasional use, especially during outages or outdoor events, this generator provides dependable power without a hefty price tag.
Pros:- Affordable price point for dual fuel capability
- Electric start simplifies operation
- Long runtime of up to 11 hours on a full tank
- Includes wheel kit for easier mobility
Cons:- Relatively heavy and bulky for frequent transport
- Requires regular maintenance for long-term performance
- Limited surge capacity for larger appliances
Best for: Homeowners seeking an affordable, portable dual fuel generator for emergency backup and small outdoor tasks.
Not ideal for: Users with high power demands or frequent transport needs, due to its weight and size.
- Power:4,750 surge / 3,800 running watts (gas), 4,350 surge / 3,500 running watts (propane)
- Voltage:120V/240V
- Engine:224cc 4-stroke OHV
- Tank Capacity:4 gallons
- Run Time:up to 11 hours at half load
- Outlets:Two 120V GFCI, 120V/240V twist lock, 12V DC
Our verdict“A dependable, budget-friendly choice for those needing portable dual fuel power for moderate loads, but less suited for heavy-duty applications or frequent moving.”
How We Picked
Our evaluation focused on performance, versatility, build quality, and value. We prioritized models with reliable power output, essential safety features, and user-friendly controls. Portability was also a key factor, especially for outdoor and RV use. We compared customer reviews and technical specs to identify consistent strengths and weaknesses, ensuring each product’s role in different scenarios is clear. The ranking reflects a balance of power, safety, ease of use, and price, helping buyers find options suited to both casual and serious needs.
Factors to Consider When Choosing Dual Fuel Generators
When selecting a dual fuel generator, it’s important to consider several factors that impact usability, safety, and value. Understanding these considerations helps avoid common pitfalls like overspending on features you don’t need or choosing underpowered models for your intended use. The right generator depends on whether you prioritize portability, runtime, noise levels, or power capacity. Here are key factors to keep in mind before making a purchase.
Power Output and Capacity
Assess your power needs carefully. For running household essentials or large appliances, look for models offering at least 8,000 watts. Smaller models in this roundup, like the WEN 2800-Watt inverter, are better suited for camping or RV use where lower power suffices. Remember that higher wattage often means larger size and higher cost, so match capacity to your specific needs to avoid overspending or underpowering your setup.
Portability and Size
Portability matters if you plan to move your generator frequently or use it outdoors. Inverter models tend to be lighter and easier to transport, while larger portable generators provide more power but are bulkier. Consider whether a wheel kit or compact design is essential for your routine. Keep in mind that increased portability can sometimes mean sacrificing fuel capacity or runtime.
Fuel Type and Availability
Gasoline is widely available but can degrade over time, while propane offers cleaner burning and longer shelf life—ideal for emergency storage. Some models are more efficient with one fuel type over the other, so check what’s more convenient for your circumstances. If you have a propane tank at home or plan to store fuel long-term, a propane-compatible generator could save hassle and ensure readiness.
Safety and Extra Features
Features like CO sensors, remote start, and RV-ready outlets add safety and convenience. CO sensors automatically shut down the generator if dangerous levels of carbon monoxide are detected, which is vital for indoor or enclosed space use. Remote start offers quick operation, especially in cold weather, while RV readiness ensures compatibility with your vehicle’s power needs. Weigh these extras based on your typical use environment and safety concerns.
Noise Levels
Quiet operation is a key consideration for outdoor use or camping, where noise can be a disturbance. Inverter generators are generally quieter than traditional models but often come with a higher price tag. If noise is a priority, review decibel ratings and user feedback—some models are designed specifically for low noise output without sacrificing too much power.
Frequently Asked Questions
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. These generators produce dangerous gases that can accumulate in enclosed spaces, even with ventilation. Always operate your generator outdoors in a well-ventilated area, away from windows and doors, to ensure safety. Installing a carbon monoxide detector nearby adds an extra layer of safety when using portable generators outdoors.
How do I switch between gasoline and propane on a dual fuel generator?
Most dual fuel generators feature a simple switch or valve that allows you to change fuel sources. Before switching, it’s recommended to turn off the generator and let it cool down. Follow the manufacturer’s instructions carefully to avoid fuel leaks or damage. Some models automatically detect the fuel type, but manual switching is common, giving you flexibility based on fuel availability or cost considerations.
What size generator do I need for a home backup?
The size depends on your household’s essential appliances. Typically, a 10,000 to 12,000-watt generator can power essential circuits like refrigerators, lights, and small HVAC units. If you plan to run large appliances or multiple devices simultaneously, consider a higher capacity model. Consulting an electrician for a load calculation helps ensure you select a generator that matches your home’s power requirements without overpaying for excess capacity.
Are inverter dual fuel generators worth the extra cost?
Inverter generators generally cost more upfront but offer significant advantages in noise reduction, fuel efficiency, and cleaner power output suitable for sensitive electronics. If you need a generator primarily for camping, RV trips, or short-term use with electronics, an inverter model provides better comfort and protection. For heavy-duty backup power where maximum capacity is needed, traditional models may deliver more power at a lower cost, but with increased noise and less portability.
How long can a dual fuel generator run continuously?
Runtime depends on the fuel tank size and load. Many models can run between 8 to 12 hours at half load, but high-capacity units may last longer. Using propane often extends runtime due to its longer shelf life and consistent fuel availability. Always check the manufacturer’s specifications for fuel capacity and estimated runtime, and consider your typical usage scenarios to choose a model that can meet your power needs without frequent refueling.
Conclusion
For most users, the Westinghouse 12500 Watt Dual Fuel Generator offers the best overall blend of power, features, and reliability—ideal for backup home power or large outdoor events. Budget-conscious buyers should consider the WEN 6800-Watt Dual Fuel Generator, which provides solid performance without a hefty price tag. Those seeking quiet operation and portability might favor the WEN 2800-Watt Inverter Generator, perfect for camping or RV use. Finally, if safety features like CO sensors and remote start are priorities, focus on higher-end models like the Westinghouse or WEN inverter options. Match your choice to your specific needs to ensure reliable, safe power whenever you need it.
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