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Portable Generators

Best Dual Fuel Portable Generators: 15 Spec-Based Picks

We compared 15 dual fuel portable generators using only published specifications. See which models offer the best wattage, weight, and fuel efficiency for your needs.

We score every product on its specifications, its current price and what owners report after living with it. We may earn a commission from links on this page.

Best Dual Fuel Portable Generators: 15 Spec-Based Picks

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Finding the best dual fuel portable generators requires comparing hard specs. We analyzed 15 models ranked by their published data. The PowerSmart 3800W Dual Fuel Inverter Generator leads because it weighs just 50.7 pounds. This makes it the most portable option for quiet camping and small home loads. Other picks range from 49 pounds to 245 pounds. You can choose based on whether you need high wattage for home backup or low noise for RV sites. This guide helps you decide which generator fits your power needs and space constraints.

Match wattage to your power needs

Dual fuel generators range from 800 watts to 13,000 watts. The PowerSmart 3800W Inverter suits quiet camping, while the DuroMax 13,000W handles whole-home backup. Check the running wattage and intended use. Ensure the output matches your appliances. Avoid oversized units for light loads. Select a model that fits your specific power requirements.

#ProductBest forPrice
1PowerSmart 3800W Dual Fuel Inverter Generator Best overallquiet camping and small home loads
2Westinghouse 14500W Dual Fuel Portable Generator Also greathigh-wattage home backup and transfer switch use
3Westinghouse 12500-Watt Dual-Fuel Generator Also greatHome backup with remote start and high wattage
4AIVOLT 11250W Dual Fuel Inverter Generator Best premiumRV owners needing 50-amp power
5Westinghouse 6600W Dual Fuel Generator Also greatHome backup with transfer switch readiness
6Westinghouse 12000W Dual-Fuel Inverter Generator Also greatWhole-home backup with 50A outlet
7WEN 3600-Watt Dual Fuel Inverter Generator Also greatlightweight RV camping and electronics
8Westinghouse 4650W Dual Fuel Portable Generator Best budgetRV travelers needing 30A power and remote start
9BILT HARD 5500W Dual Fuel Inverter Best 4000wRV camping and small home backup
10DuroMax 13,000-Watt Dual Fuel Generator Best emergency useWhole-home power backup and emergency use
11ERAYAK 4500W Dual-Fuel Inverter Generator Best outdoorquiet RV camping and sensitive electronics
12WEN 4800-Watt Dual Fuel Electric Start Inverter Generator Also greatRV camping and sensitive electronics
13Generac 3800W Dual Fuel Inverter Generator Best 800wquiet camping and parallel setups
14WEN 4500W Dual Fuel RV Inverter Generator Best recoil startQuiet RV camping and tailgating
15Generac 8250W Dual Fuel Portable Generator Best backup powerHome backup with carbon monoxide safety

The best fit for you

  • You need the quietest and lightest inverter for camping – PowerSmart 3800W Dual Fuel Inverter Generator – It weighs 50.7 pounds and is designed for quiet operation and propane efficiency.
  • You want the highest wattage for whole-home backup – DuroMax 13,000-Watt Dual Fuel Generator – This model offers 13,000 watts and is transfer switch ready for substantial power needs.
  • You need 50-amp power for your RV setup – AIVOLT 11250W Dual Fuel Inverter Generator – It provides a 50A outlet and 11,250 watts to support heavy RV electrical loads.
  • You want the most affordable option with remote start – Westinghouse 4650W Dual Fuel Portable Generator – This budget pick includes remote control and 30A RV compatibility at a lower price point.
1Best overall
PowerSmart 3800W Dual Fuel Inverter Generator

PowerSmart 3800W Dual Fuel Inverter Generator

Best for: quiet camping and small home loads

Fuel Type
Dual Fuel
Running Wattage
3300 W (gas), 3100 W (propane)
Starting Wattage
3800 W (gas), 3500 W (propane)
Generator Type
Inverter
Voltage Output
120V
Noise Level
59 dBA

The PowerSmart 3800W Dual Fuel Inverter Generator delivers 3300 running watts on gasoline and 3100 on propane. It operates at 59 dBA in Eco Mode, making it suitable for quiet environments. The unit runs for 8 hours on gas or 24 hours on propane. Weighing 50.7 pounds, it offers portability for camping or home backup. It includes parallel capability and multiple outlet types.

Pros
  • 3300 running watts on gasoline
  • 59 dBA noise level in Eco Mode
  • 24-hour runtime on propane
  • Parallel capable for expanded power
Cons
  • 3300 running watts is lower than many competitors exceeding 10,000 watts
  • 50.7-pound weight is heavier than lightweight inverter models under 40 pounds
Good fit if
  • You need quiet operation around 59 dBA for camping or residential areas
  • You want extended runtime on propane for off-grid use
  • You plan to parallel connect units for higher power needs
Skip if
  • You require high wattage for whole-home backup over 10,000 watts
  • You need a lightweight unit under 40 pounds for frequent transport
  • You prefer electric start over manual recoil for heavy-duty use

Verdict: PowerSmart 3800W Dual Fuel Inverter suits users prioritizing quiet operation and propane efficiency over raw power output. It is ideal for camping or small home loads where noise and fuel longevity matter more than high wattage.

2Also great
Westinghouse 14500W Dual Fuel Portable Generator

Westinghouse 14500W Dual Fuel Portable Generator

Best for: high-wattage home backup and transfer switch use

Fuel Type
Dual Fuel
Running Wattage
11,500 W
Starting Wattage
14,500 W
Start Type
Electric, Remote
Engine Displacement
550 cc
Features
Remote Control, Transfer Switch Ready

This Westinghouse unit delivers 14,500 peak watts on gasoline and 11,500 running watts. It features a 550cc engine with pressure lubrication and less than 5% THD for sensitive electronics. You get remote electric start and a 9.5-gallon tank offering up to 19 hours of runtime at 25% load. It is built for home backup and pairs with transfer switches for automatic power restoration.

Pros
  • 14,500 peak watts and 11,500 running watts on gasoline
  • Remote electric start with included control
  • Less than 5% THD for safe electronics use
  • Up to 19 hours runtime on a 9.5-gallon tank
  • Pressure lubrication system for extended engine life
Cons
  • Heavier at 230 pounds compared to many inverter models
  • Lower peak wattage than the 13,000 to 14,500 watt competitors
  • Larger footprint at 29.6 by 28.9 inches
Good fit if
  • You need high running wattage for whole-home backup
  • You want remote start convenience for heavy loads
  • You plan to use an automatic transfer switch
Skip if
  • You require a lightweight unit for easy transport
  • You need ultra-quiet inverter technology for camping
  • You prefer a smaller footprint for tight storage

Verdict: Westinghouse 14500W Dual Fuel Portable Generator suits homeowners needing substantial power for backup systems. It fits users who prioritize high wattage and remote operation over portability and quiet operation.

3Also great
Westinghouse 12500-Watt Dual-Fuel Generator

Westinghouse 12500-Watt Dual-Fuel Generator

Best for: Home backup with remote start and high wattage

Fuel Type
Dual Fuel
Running Wattage
9500W gas, 8500W propane
Starting Wattage
12500W gas, 11200W propane
Start Type
Remote, Electric, Recoil
Voltage Output
120V/240V
Engine Displacement
457cc

This Westinghouse unit delivers 9500 running watts on gasoline and 8500 on propane. It features a 457cc engine with a cast iron sleeve for durability. You get remote start via key fob, electric start, and recoil pull. The VFT display tracks voltage, frequency, and hours. It includes a transfer switch ready outlet and an RV-ready 50A outlet for versatile power needs.

Pros
  • 9500 running watts on gasoline provides substantial power for home backup
  • Remote start key fob included for convenient operation
  • VFT digital display shows real-time voltage, frequency, and lifetime hours
  • Transfer switch ready and RV-ready 50A outlets for easy connection
Cons
  • 210-pound weight makes it heavier than many inverter competitors
  • Larger physical footprint requires more storage space than compact units
  • Lower propane running wattage (8500W) compared to gasoline output (9500W)
Good fit if
  • You need high wattage for whole-home backup circuits
  • You want remote start capability without leaving your vehicle
  • You require an RV-ready 50A outlet for camping
Skip if
  • You prioritize lightweight portability for easy transport
  • You need a pure sine wave inverter for sensitive electronics
  • You have limited storage space for bulky equipment

Verdict: Westinghouse 12500W Dual Fuel Portable Generator offers high capacity and versatile outlets for homeowners needing reliable backup power. It suits those who value remote convenience and don't mind the extra weight for the increased output.

4Best premium
AIVOLT 11250W Dual Fuel Inverter Generator

AIVOLT 11250W Dual Fuel Inverter Generator

Best for: RV owners needing 50-amp power

Fuel Type
Dual Fuel
Running Wattage
9,000 W (Gas) / 8,540 W (Propane)
Starting Wattage
11,250 W (Gas) / 10,570 W (Propane)
Generator Type
Inverter
Start Type
Remote, Push-Button, Recoil
Noise Level
60 dBA

The AIVOLT 11250W is a dual fuel inverter generator designed for home backup and RV use. It delivers 9,000 running watts on gasoline and 8,540 watts on propane. The unit features a 50-amp RV-ready outlet and operates at 60 dBA. It includes remote start capability and runs for up to 19 hours. This model suits users needing high power output with quiet operation.

Pros
  • Delivers 11,250 starting watts on gasoline
  • 50-amp outlet for large RVs and food trucks
  • Operates at 60 dBA at 25% load
  • Remote start from up to 80 feet away
  • 100% copper windings for stable output
Cons
  • Weighs 221 pounds, making it heavy for portability
  • Larger dimensions of 26.4 x 28.4 x 29.7 inches
  • Lower running wattage than the 13,000-watt DuroMax on the list
Good fit if
  • You need a 50-amp outlet for large RVs
  • You require high starting watts for home backup
  • You want quiet operation around 60 dBA
Skip if
  • You need a lighter unit under 150 pounds
  • You prefer a smaller footprint for storage
  • You require more than 9,000 running watts

Verdict: AIVOLT 11250W Dual Fuel Inverter Generator fits users needing high power and RV compatibility. Its heavy build and large size suit stationary backup rather than frequent transport.

5Also great
Westinghouse 6600W Dual Fuel Generator

Westinghouse 6600W Dual Fuel Generator

Best for: Home backup with transfer switch readiness

Fuel Type
Dual Fuel
Running Wattage
5300 W (Gas), 4800 W (Propane)
Starting Wattage
6600 W (Gas), 5900 W (Propane)
Start Type
Electric, Remote
Voltage Output
120V, 120/240V
Engine Displacement
274 CC

This Westinghouse unit delivers 6600 peak watts on gasoline and 5900 on propane. It features a 274 CC engine with remote electric start and a 4.7-gallon tank. The 120/240V output includes a transfer-switch-ready outlet. You get up to 14.5 hours of runtime. It suits home backup needs where moderate power and fuel flexibility matter.

Pros
  • 6600 peak watts on gasoline
  • Remote electric start with key fob
  • Transfer switch ready L14-30R outlet
  • 14.5 hours runtime on gasoline
Cons
  • 136 pounds weight is heavy for portability
  • 5300 running watts lower than high-capacity competitors
  • 4.7 gallon tank limits total runtime compared to larger tanks
Good fit if
  • You need transfer switch readiness for home backup
  • You want dual fuel flexibility for extended use
  • You prefer remote start convenience
Skip if
  • You require over 10000 running watts
  • You need a lightweight unit under 100 pounds
  • You only use propane without gasoline access

Verdict: Westinghouse 6600W Dual Fuel Portable Generator offers reliable home backup power with remote start and transfer switch compatibility. It fits users who prioritize fuel flexibility and moderate capacity over maximum output or portability.

6Also great
Westinghouse 12000W Dual-Fuel Inverter Generator

Westinghouse 12000W Dual-Fuel Inverter Generator

Best for: Whole-home backup with 50A outlet

Fuel Type
Dual Fuel
Running Wattage
9000 W (Gas), 8100 W (Propane)
Starting Wattage
12000 W (Gas), 11000 W (Propane)
Generator Type
Inverter
Start Type
Remote Electric Start
Voltage Output
120V, 120V/240V

The Westinghouse iGen12000DFc is a dual fuel inverter generator with 12,000 peak watts on gasoline. It delivers 9,000 running watts for home backup or RV use. The 457cc engine runs up to 19 hours on a 7.9-gallon tank. You get a quiet 64 dBA operation and remote electric start. It includes a 50A outlet and transfer switch readiness for whole-home power needs.

Pros
  • 12,000 peak watts on gasoline
  • 64 dBA noise level
  • 7.9-gallon fuel tank
  • 19-hour runtime at 25% load
  • Includes remote start key fob
Cons
  • 187 pounds weight is heavy for portability
  • 9,000 running watts lower than 14,500 or 13,000 peak competitors
Good fit if
  • You need whole-home backup with transfer switch readiness
  • You want quiet operation under 65 dBA
  • You require a 50A outlet for RV or home use
Skip if
  • You need more than 9,000 running watts
  • You prefer a lighter unit under 150 pounds
  • You want a tri-fuel option instead of dual fuel

Verdict: Westinghouse iGen12000DFc Dual Fuel Inverter suits homeowners needing reliable 9,000 running watts with quiet 64 dBA operation. It fits those prioritizing transfer switch readiness and a 50A outlet over maximum portability.

7Also great
WEN 3600-Watt Dual Fuel Inverter Generator

WEN 3600-Watt Dual Fuel Inverter Generator

Best for: lightweight RV camping and electronics

Fuel Type
Dual Fuel
Running Wattage
2900 W (Gas) / 2600 W (Propane)
Starting Wattage
3600 W (Gas) / 3500 W (Propane)
Generator Type
Inverter
Voltage Output
120V
Features
CO Sensor, Fuel Shut-Off

The WEN DF360iX is a compact dual fuel inverter generator. It delivers 2900 running watts on gasoline and 2600 on propane. Weighing just 49 pounds, it fits easily in small spaces. The unit includes a CO shutdown sensor and fuel shut-off for safety. It features an RV-ready TT-30R outlet. This model suits users needing quiet, clean power for sensitive electronics or light RV camping.

Pros
  • Dual fuel operation with 2900W gasoline and 2600W propane output
  • Lightweight 49-pound build for easy portability
  • Built-in CO shutdown sensor for safety
  • RV-ready TT-30R receptacle included
  • Fuel shut-off valve for maintenance
Cons
  • Lower 2900W gasoline running wattage compared to most competitors
  • Heavier than some lighter inverter models in the list
  • Limited to one RV outlet and two USB ports
Good fit if
  • You need a lightweight unit for RV camping
  • You want safety features like CO detection
  • You require clean power for sensitive electronics
Skip if
  • You need high wattage for whole-home backup
  • You require multiple heavy-duty outlets
  • You prefer gasoline-only operation

Verdict: The WEN DF360iX Dual Fuel Inverter is a compact, safe choice for RVers and campers who prioritize portability and clean power over high output capacity.

8Best budget
Westinghouse 4650W Dual Fuel Portable Generator

Westinghouse 4650W Dual Fuel Portable Generator

Best for: RV travelers needing 30A power and remote start

Fuel Type
Dual Fuel
Running Wattage
3600 W (Gas), 3240 W (Propane)
Starting Wattage
4650 W
Start Type
Electric, Remote
Voltage Output
120V
Features
Remote Control, CO Sensor, Wheel Kit, Auto Choke

This Westinghouse generator delivers 3600 rated watts on gasoline and 3240 on propane, with a 4650 peak output. It features remote electric start, auto choke, and an RV-ready 30A outlet. The unit weighs 121 pounds and includes a wheel kit. It suits RV travelers or homeowners needing reliable backup power with dual fuel flexibility and convenient starting options.

Pros
  • Dual fuel operation switches between gasoline and propane
  • Remote electric start with auto choke
  • RV-ready 30A TT-30R outlet included
  • Comes with wheel kit for mobility
Cons
  • Lower running wattage than many competitors on the list
  • Heavier build at 121 pounds
  • Smaller fuel tank capacity compared to larger models
Good fit if
  • You need an RV-ready generator with 30A output
  • You want remote start convenience
  • You prefer dual fuel flexibility for camping or backup
Skip if
  • You require high wattage for whole-home backup
  • You need a lightweight unit for frequent transport
  • You want a larger fuel tank for extended runtime

Verdict: Westinghouse 4650W Dual Fuel Portable Generator fits RV owners and campers who need 30A power and remote convenience. It is less suitable for those requiring high wattage or easy portability.

9Best 4000w
BILT HARD 5500W Dual Fuel Inverter

BILT HARD 5500W Dual Fuel Inverter

Best for: RV camping and small home backup

Fuel Type
Dual Fuel
Running Wattage
4000 W gas / 3600 W LPG
Starting Wattage
5500 W gas / 5000 W LPG
Generator Type
Inverter
Start Type
Recoil
Voltage Output
120V

This BILT HARD unit is a dual fuel inverter generator offering 4000 running watts on gasoline and 3600 on LPG. It features a 160cc engine, CO auto-shutoff, and parallel capability. The digital display tracks runtime and output. You should consider it for camping or home backup where moderate power and quiet operation matter.

Pros
  • 4000W running power on gasoline
  • Parallel connectors for expanded output
  • CO auto-shutoff safety feature
  • Digital display with runtime tracking
Cons
  • Recoil start only, no electric start
  • 61.7 pounds weight limits portability
  • Lower running watts than larger units
Good fit if
  • You need reliable power for RV camping
  • You want CO safety monitoring
  • You plan to parallel two units
Skip if
  • You require electric start convenience
  • You need higher continuous wattage
  • You prefer lighter equipment

Verdict: BILT HARD 5500W Dual Fuel Inverter suits users needing moderate power with safety features. It fits RV trips or small home backups where weight and recoil start are acceptable trade-offs.

10Best emergency use
DuroMax 13,000-Watt Dual Fuel Generator

DuroMax 13,000-Watt Dual Fuel Generator

Best for: Whole-home power backup and emergency use

Fuel Type
Dual Fuel
Start Type
Electric Start, Push Button
Voltage Output
120V, 120/240V
Engine Displacement
500cc
Features
Transfer Switch Ready
Intended Use
Home, RV, Emergency Use

The DuroMax XP13000HX delivers 13,000 watts of power for whole-home backup. It runs on gasoline or propane and features a 500cc engine with electric start. This unit includes a 50-amp transfer switch-ready outlet and CO Alert safety technology. Its substantial build supports heavy loads, making it a robust option for emergency preparedness and extended outages where high capacity is essential.

Pros
  • 13,000-watt output for high-demand loads
  • Dual fuel flexibility with gasoline or propane
  • Transfer switch ready with 50-amp outlet
  • Built-in CO Alert safety technology
  • Electric push-button start for easy ignition
Cons
  • Heavy 245-pound weight complicates portability
  • Large footprint at 30 inches long and 29 inches wide
  • 500cc engine displacement is standard for this class
Good fit if
  • You need high wattage for whole-home backup
  • You require transfer switch readiness for permanent connections
  • You want the safety of built-in CO detection
Skip if
  • You need a lightweight unit for easy transport
  • You have limited storage space for large equipment
  • You prefer a compact inverter generator for RVs

Verdict: The DuroMax XP13000HX Dual Fuel Generator fits homeowners who need maximum power output and transfer switch compatibility, despite its heavy weight and large size. It is a serious backup solution for those prioritizing capacity over portability.

11Best outdoor
ERAYAK 4500W Dual-Fuel Inverter Generator

ERAYAK 4500W Dual-Fuel Inverter Generator

Best for: quiet RV camping and sensitive electronics

Fuel Type
Dual Fuel
Running Wattage
3500 W (Gas) / 3150 W (Propane)
Starting Wattage
4500 W (Gas) / 4050 W (Propane)
Generator Type
Inverter
Voltage Output
120V
Noise Level
58 dBA

The ERAYAK 4500W Dual-Fuel Inverter delivers 3,500W running power on gasoline and 3,150W on propane. It weighs just 54 pounds and measures 20 x 16.93 x 19.3 inches, making it one of the most compact options for RV camping. The unit runs at 58 dBA and includes a CO sensor for safety. You get 16 hours of runtime on gas and over 20 hours on propane at 25% load.

Pros
  • Compact 54-pound build with small footprint
  • Ultra-quiet 58 dBA operation at quarter load
  • Dual-fuel flexibility with auto-switch to gasoline
  • Pure sine wave output with THD under 1.2%
Cons
  • Lower starting wattage (4,500W) compared to list peers
  • Smaller fuel tank limits gas runtime to 16 hours
  • Red color option may not suit all aesthetics
Good fit if
  • You need a lightweight generator for RV camping
  • You prioritize quiet operation in residential areas
  • You want pure sine wave power for electronics
Skip if
  • You require more than 4,500 starting watts
  • You need extended runtime without refueling
  • You prefer a higher capacity fuel tank

Verdict: The ERAYAK 4500W Dual-Fuel Inverter fits campers who need a quiet, portable power source for sensitive devices. Its compact size and low noise make it ideal for RV sites where space and peace are priorities.

12Also great
WEN 4800-Watt Dual Fuel Electric Start Inverter Generator

WEN 4800-Watt Dual Fuel Electric Start Inverter Generator

Best for: RV camping and sensitive electronics

Fuel Type
Dual Fuel
Running Wattage
4000 W
Starting Wattage
4800 W (Gas) / 4320 W (Propane)
Generator Type
Inverter
Start Type
Electric Start
Voltage Output
120V

The WEN DF480iX is a dual fuel inverter generator offering 4000 rated watts on both gasoline and propane. It weighs 78.5 pounds and measures 24 by 22 inches. The 224cc engine provides 4800 starting watts on gas. It includes electric start, a CO shutdown sensor, and an RV-ready TT-30R outlet. This unit suits users needing clean power for sensitive electronics in compact spaces.

Pros
  • Dual fuel capability with 4000 rated watts on gasoline and propane
  • Inverter technology produces clean power for sensitive electronics
  • Built-in CO shutdown sensor for safety
  • RV-ready with a TT-30R receptacle
Cons
  • Lower starting wattage at 4800 watts compared to higher-capacity competitors
  • Heavier build at 78.5 pounds compared to lighter inverter models
Good fit if
  • You need an RV-ready generator with a TT-30R outlet
  • You prioritize quiet operation and clean power for electronics
  • You want electric start convenience with dual fuel flexibility
Skip if
  • You require starting watts above 5000 for heavy loads
  • You prefer a lighter unit under 70 pounds
  • You need a generator with a higher rated wattage

Verdict: The WEN 4800W Dual Fuel Inverter Generator fits RV owners and campers who need clean power and safety features in a moderately sized package. It is ideal for you if you value dual fuel flexibility and electric start over raw power output.

13Best 800w
Generac 3800W Dual Fuel Inverter Generator

Generac 3800W Dual Fuel Inverter Generator

Best for: quiet camping and parallel setups

Fuel Type
Dual Fuel
Running Wattage
3,000 W
Starting Wattage
3,800 W
Generator Type
Inverter
Start Type
Electric
Features
Parallel Capable

The Generac iQ3800 is a dual fuel inverter generator offering 3,000 running watts and 3,800 starting watts. It runs on gasoline or propane and includes electric start with a battery. The unit measures 37.2 by 20.3 by 22.4 inches and weighs 107 pounds. Its parallel-ready design lets you double output. This compact inverter suits campers and RV users who need quiet, stable power for sensitive electronics.

Pros
  • Dual fuel capability for gasoline or propane
  • 3,000 running watts for moderate loads
  • Parallel-ready to double power output
  • Electric start with included battery
  • Fully enclosed case for quieter operation
Cons
  • 3,000 running watts is lower than many competitors offering 4,000 watts or more
  • 107 pounds weight is heavier than lighter camping-focused inverters
  • 3,800 starting watts is below the 8,000+ watt capacity of larger home backup units
Good fit if
  • You need quiet power for camping or tailgating
  • You want to parallel two units for higher output
  • You prefer electric start over manual recoil
Skip if
  • You need to run heavy appliances like central air
  • You require a single unit with over 4,000 running watts
  • You want a lightweight unit under 90 pounds

Verdict: Generac iQ3800 Dual Fuel Inverter fits users who prioritize quiet operation and parallel capability for camping or RV use. It is not suitable for whole-home backup due to its modest 3,000 running watt capacity.

14Best recoil start
WEN 4500W Dual Fuel RV Inverter Generator

WEN 4500W Dual Fuel RV Inverter Generator

Best for: Quiet RV camping and tailgating

Fuel Type
Dual Fuel
Running Wattage
3500 W (Gas), 3150 W (Propane)
Starting Wattage
4500 W
Generator Type
Inverter
Start Type
Recoil Start
Voltage Output
120V

This WEN inverter generator runs on gasoline or propane. It delivers 4500 starting watts and 3500 running watts on gas. The engine is very quiet at 58 dBA. It includes a fuel shut-off and an RV-ready outlet. You get a digital display and a 12V DC port. It is a solid choice for RV camping or tailgating where noise matters.

Pros
  • Dual fuel capability with 4500W surge on both fuels
  • Quiet 58 dBA operation at quarter load
  • RV-ready NEMA TT-30R outlet included
  • Auto Fuel Selection switches to gasoline automatically
Cons
  • Heavier at 100 pounds compared to lighter inverter models
  • Lower running wattage on propane at 3150W
  • Recoil start requires manual effort
Good fit if
  • You need quiet power for RV camping
  • You want dual fuel flexibility for long trips
  • You prefer a recoil start for simplicity
Skip if
  • You need electric start convenience
  • You require more than 4500 starting watts
  • You want a lighter unit under 100 pounds

Verdict: WEN DF450i 4500W Dual Fuel Generator is a quiet, dual-fuel inverter option for RVers. It suits users who value low noise and fuel flexibility over electric start ease.

15Best backup power
Generac 8250W Dual Fuel Portable Generator

Generac 8250W Dual Fuel Portable Generator

Best for: Home backup with carbon monoxide safety

Fuel Type
Dual Fuel
Starting Wattage
8,250 W
Start Type
Electric
Engine Displacement
340 cc
Intended Use
Home, Home Backup
Application
Backup Power

This Generac unit offers 8,250 starting watts and runs on gasoline or propane. It features a 340cc engine with an electric start and a 7.5-gallon fuel tank. The COsense technology monitors carbon monoxide levels and shuts down the unit if hazardous amounts are detected. You get up to 11 hours of runtime on gasoline at 50% load. It is designed for home backup and emergency power needs.

Pros
  • 8,250 starting watts for reliable power output
  • Dual fuel flexibility with gasoline or propane options
  • Built-in COsense technology for automatic shutdown on high carbon monoxide
  • Push-button electric start for easy operation
  • 11-hour runtime on gasoline at 50% load
Cons
  • 181-pound weight makes it heavier than many competitors
  • 8,250 starting watts is lower than the 12,500 and 14,500 watt options on this list
Good fit if
  • You need a dual fuel generator with carbon monoxide safety monitoring
  • You prefer electric start convenience over recoil pull cords
  • You want a reputable brand for home backup power
Skip if
  • You require more than 8,250 starting watts for heavy loads
  • You need a lightweight unit under 150 pounds for easy transport
  • You want a quieter inverter generator for camping

Verdict: Generac 8250W Dual Fuel Portable Generator provides solid home backup capability with safety-focused COsense technology. You should choose this if you prioritize brand reliability and automatic CO detection over maximum wattage or portability.

Specifications side by side

SpecPowerSmart 3800W Dual Fuel Inverter GeneratorWestinghouse 14500W Dual Fuel Portable GeneratorWestinghouse 12500-Watt Dual-Fuel GeneratorAIVOLT 11250W Dual Fuel Inverter GeneratorWestinghouse 6600W Dual Fuel GeneratorWestinghouse 12000W Dual-Fuel Inverter GeneratorWEN 3600-Watt Dual Fuel Inverter GeneratorWestinghouse 4650W Dual Fuel Portable GeneratorBILT HARD 5500W Dual Fuel InverterDuroMax 13,000-Watt Dual Fuel GeneratorERAYAK 4500W Dual-Fuel Inverter GeneratorWEN 4800-Watt Dual Fuel Electric Start Inverter GeneratorGenerac 3800W Dual Fuel Inverter GeneratorWEN 4500W Dual Fuel RV Inverter GeneratorGenerac 8250W Dual Fuel Portable Generator
Running Wattage3300 W (gas), 3100 W (propane)11,500 W9500W gas, 8500W propane9,000 W (Gas) / 8,540 W (Propane)5300 W (Gas), 4800 W (Propane)9000 W (Gas), 8100 W (Propane)2900 W (Gas) / 2600 W (Propane)3600 W (Gas), 3240 W (Propane)4000 W gas / 3600 W LPG–3500 W (Gas) / 3150 W (Propane)4000 W3,000 W3500 W (Gas), 3150 W (Propane)–
Starting Wattage3800 W (gas), 3500 W (propane)14,500 W12500W gas, 11200W propane11,250 W (Gas) / 10,570 W (Propane)6600 W (Gas), 5900 W (Propane)12000 W (Gas), 11000 W (Propane)3600 W (Gas) / 3500 W (Propane)4650 W5500 W gas / 5000 W LPG–4500 W (Gas) / 4050 W (Propane)4800 W (Gas) / 4320 W (Propane)3,800 W4500 W8,250 W
Fuel TypeDual FuelDual FuelDual FuelDual Fuel (Gas, Propane)Dual FuelDual FuelDual Fuel (Gas, Propane)Dual FuelDual FuelDual Fuel (Gas & Propane)Dual Fuel (Gas, Propane)Dual Fuel (Gas, Propane)Dual Fuel (Gas, Propane)Dual Fuel (Gasoline, Propane)Dual Fuel (Gasoline, Propane)
Generator TypeInverter––Inverter–InverterInverter–Inverter–InverterInverterInverterInverter–
Start Type–Electric, RemoteRemote, Electric, RecoilRemote, Push-Button, RecoilElectric, RemoteRemote Electric Start–Electric, RemoteRecoilElectric Start, Push Button–Electric StartElectricRecoil StartElectric
Voltage Output120V–120V/240V–120V, 120/240V120V, 120V/240V120V120V120V120V, 120/240V120V120V–120V–
Noise Level59 dBA––60 dBA–64 dBA––––58 dBA––58 dBA–
Engine Displacement–550 cc457cc–274 CC457 cc––160cc500cc–224cc–212cc340 cc
FeaturesParallel CapableRemote Control, Transfer Switch ReadyRemote Control, Transfer Switch ReadyRemote ControlRemote Control, CO Sensor, Transfer Switch ReadyRemote Control, CO Sensor, Parallel Capable, Transfer Switch ReadyCO Sensor, Fuel Shut-OffRemote Control, CO Sensor, Wheel Kit, Auto ChokeCO Sensor, Parallel CapableTransfer Switch ReadyCO Sensor, Parallel CapableCO Sensor, Fuel Shut-OffParallel CapableFuel Shut-Off–
Intended UseHome, CampingHome, Home BackupHome, Home BackupHome, RV, Home BackupHome, RV, Home Backup–RVRV–Home, RV, Emergency UseHome, RV, Camping, OutdoorRVHome, RV, Camping, Home BackupRVHome, Home Backup
Wattage––––––––––––800W––
Included ComponentsInverter––Inverter–InverterInverter–Inverter–InverterInverterInverterInverter–
Amperage–––50A–––30 Amp––30 Amp––––
Application––––––––––––––Backup Power
Dimensions21.9 × 13.4 × 19.5 inches28.9 × 29.6 × 26.9 inches27.2 × 26.1 × 26.5 inches28.4 × 26.4 × 29.7 inches23.4 × 20.6 × 19.5 inches30.2 × 25.2 × 26.6 inches18 × 11.6 × 19.7 inches23.3 × 22.8 × 21.3 inches23.2 × 18.7 × 12.6 inches30 × 29 × 26 inches20 × 11.7 × 19.3 inches–37.2 × 20.3 × 22.4 inches23.2 × 18 × 20.1 inches27.5 × 27 × 26.5 inches
Weight50.7 pounds230 pounds210 pounds221 pounds136 pounds187 pounds49 pounds121 pounds61.7 pounds245 pounds54 pounds78.5 pounds107 pounds100 pounds181 pounds
Length–––––––––––24 inches–––
Height–––––––––––22 inches–––
Size3800–WGen9500DFInverter generator -11250 Watts UP––Dual Fuel + CO Alarm––––Fuel: Dual Fuel + Electric Start + CO Alarm–4500W Dual Fuel + Recoil Start–
ColorredBlue– CARB CompliantOrangeBlueBlueBlackBlueBlueBlueRedBlackOrange4500W + Dual FuelOrange
ModelHB5040DCWGen11500DFcWGen9500DFVS12000411WGen5300DFciGen12000DFcDF360iXWGen3600DFcTGA-0258XP13000HX4500PDM Dual FuelDF480iX8946DF450iG0080623

You can compare wattage, runtime, and tank capacity specifications across the best dual fuel generators.

How to choose the right one

Check running wattage needs

You must match the generator's running wattage to your actual power load. The PowerSmart 3800W Inverter offers 3,800 watts, making it suitable for small home loads and quiet camping. In contrast, the DuroMax 13,000W model provides 13,000 watts for whole-home backup. Always verify the continuous output rating. Selecting a unit with insufficient wattage will trip breakers. Choosing one with excessive capacity wastes fuel and money. Compare the running watts listed in the specs to your appliance requirements.

Verify RV compatibility

If you plan to power an RV, you need to check the amperage and outlet type. The Westinghouse 4650W Dual Fuel Portable Generator includes a 30A outlet, which is standard for many travel trailers. The AIVOLT 11250W model features a 50A outlet for larger fifth-wheel RVs. Ensure the generator's output matches your RV's plug. Using an incorrect adapter can damage your vehicle's electrical system. Check the amperage spec carefully before purchasing to ensure seamless connection and safe power delivery for your mobile home.

Assess portability and weight

Portability depends heavily on the unit's weight and dimensions. The PowerSmart 3800W Inverter weighs only 50.7 pounds, making it easy to carry for camping trips. The WEN 3600-Watt Dual Fuel Inverter Generator is also lightweight at 49 pounds. Conversely, the DuroMax 13,000-Watt Dual Fuel Generator weighs 245 pounds and is not designed for frequent transport. Check the weight spec to determine if you need wheels or a cart. Heavy units require a stable, stationary location, while lighter models offer flexibility for outdoor adventures.

Evaluate start type convenience

The start type affects how easily you can operate the generator. The Westinghouse 14500W Dual Fuel Portable Generator features remote start, allowing you to power it from a distance. The WEN 4500W Dual Fuel RV Inverter Generator uses recoil start, which requires manual pulling. Electric start models are convenient for heavy units or adverse weather. Recoil start models are often lighter and simpler. Choose based on your preference for convenience versus mechanical simplicity. Check the start type in the attributes to ensure it fits your operational needs.

Look for safety sensors

Safety features are critical for indoor or enclosed space use. The Westinghouse 6600W Dual Fuel Generator includes a CO Sensor to detect carbon monoxide leaks. The WEN 3600-Watt Dual Fuel Inverter Generator also features a CO Sensor and fuel shut-off. These sensors automatically stop the engine if dangerous gas levels are detected. This is essential for camping near tents or RVs. Always prioritize units with carbon monoxide detection. Check the features list for CO sensors to ensure you have adequate protection against toxic gas exposure during operation.

Frequently asked questions

What is the lightest dual fuel portable generator available?

The PowerSmart 3800W Dual Fuel Inverter Generator is the lightest option at 50.7 pounds. Its compact dimensions of 13.4 by 19.5 by 21.9 inches make it easy to transport. This model suits quiet camping and small home loads where portability matters most.

Which dual fuel generator has the highest wattage output?

The DuroMax 13,000-Watt Dual Fuel Generator offers the highest capacity on this list. It weighs 245 pounds and measures 29 by 26 by 30 inches. This heavy unit is designed for whole-home power backup and emergency use rather than frequent transport.

Can dual fuel generators be connected to a transfer switch?

Yes, several models are transfer switch ready. The Westinghouse 14500W, 12500W, 6600W, and 12000W generators all support transfer switch installation. The DuroMax 13,000W model also includes this feature. These units suit homeowners needing reliable whole-home backup power during outages.

Do these generators include carbon monoxide sensors?

Many models feature built-in CO sensors for safety. The Westinghouse 6600W, 12000W, and 4650W generators include this sensor. The WEN 3600W, 4800W, and ERAYAK 4500W models also have CO detection. The Generac 8250W uses COsense technology for automatic detection.

Are there dual fuel generators with remote start capability?

Yes, remote start is available on several models. The Westinghouse 14500W, 12500W, 6600W, 12000W, and 4650W generators all offer remote control features. The AIVOLT 11250W and Generac 8250W models also include remote start options for convenient operation from a distance.

Which dual fuel inverter is best for RV camping?

The WEN 3600-Watt Dual Fuel Inverter Generator is ideal for RV camping. It weighs just 49 pounds and includes a CO sensor and fuel shut-off. Its compact size and clean power output make it a safe choice for sensitive electronics and outdoor use.

Can dual fuel generators be paralleled for more power?

Several inverters support parallel connection to increase output. The PowerSmart 3800W, Westinghouse 12000W, BILT HARD 5500W, and ERAYAK 4500W models are parallel capable. This feature allows you to connect multiple units for higher wattage needs in camping or home backup scenarios.

What is the smallest dual fuel generator by footprint?

The WEN 3600-Watt Dual Fuel Inverter Generator has the smallest footprint. It measures 11.6 inches wide and 18 inches long. Weighing only 49 pounds, it is the most compact option, making it suitable for tight spaces in RVs or small camping sites.

See also

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Written by

EvenRate Editorial Team

We compare portable power stations using manufacturer specifications and Amazon product data.

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