15 Best Dual Fuel Generators, Compared
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Having versatile equipment that runs on either gasoline or propane gives you reliable power during severe utility outages and outdoor trips. The DuroMax 13,000-Watt Dual Fuel Generator earned the top spot because its 500cc engine and transfer-switch-ready 50-amp connection easily handle heavy household loads. Across this guide, 15 models are compared strictly using the technical specifications published on their manufacturer listings.
This breakdown helps you evaluate physical dimensions, starting methods, and outlet configurations so you can decide which unit fits your specific emergency backup needs.
Our top pick: WEN 3600-Watt Dual Fuel Inverter Generator.
Quick picks
The best fit for you
- You need maximum output for whole-home emergency backup DuroMax 13,000-Watt Dual Fuel Generator Its 500cc engine and transfer switch ready design support demanding household circuits.
- You want clean high-capacity inverter power for electronics Westinghouse 12000W Dual-Fuel Inverter Generator It provides 12000W inverter output, remote start, and parallel capability for sensitive home loads.
- You need the lightest portable option for RVs WEN 3600-Watt Dual Fuel Inverter Generator At 49 pounds, this 3600W inverter includes a built-in CO sensor and fuel shut-off.
- You want remote start convenience for RV camping Westinghouse 5000W Dual-Fuel Inverter Generator It pairs a 5000W rating with electric remote start and parallel capability.
Our 15 picks
WEN 3600-Watt Dual Fuel Inverter Generator
Best for: RV camping and portable dual-fuel backup
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 2900 W (Gas), 2600 W (Propane)
- Surge Wattage
- 3600 W (Gas), 3500 W (Propane)
- Voltage
- 120V
- Application
- RV
- Features
- CO Sensor, Fuel Shut-Off
This portable dual-fuel inverter generator delivers 3,600 surge watts and 2,900 running watts on gasoline, or 3,500 surge watts and 2,600 running watts on propane. Weighing 49 pounds, it features a TT-30R RV outlet, clean power output for sensitive electronics, and an automatic CO shutdown sensor. It suits you if you need a lightweight, manageable power source for RV trips, camping setups, or basic essentials during power outages.
Pros
- Weighs 49 pounds for manageable portability
- Dedicated TT-30R outlet provides direct RV connection
- Automatic CO shutdown sensor stops engine when fumes are detected
- Includes tool-free LPG quick-connector and fuel shut-off
- Provides clean power suitable for sensitive electronics
Cons
- Running output drops to 2,600 watts when operating on propane
- Lacks 240V outlets for high-draw home backup appliances
- No electric push-button start listed in the specifications
Good fit if
- You need a generator under 50 pounds with a dedicated RV receptacle.
- You want the flexibility to run on either propane or standard gasoline.
- You prioritize built-in carbon monoxide monitoring for added safety.
Skip if
- You require 240V output to run heavy household equipment.
- You need more than 2,900 running watts for your electrical load.
Verdict: WEN 3600-Watt Dual Fuel Inverter Generator is a compact, 49-pound portable unit that offers dual-fuel flexibility, dedicated RV connectivity, and essential safety shut-offs.
DuroMax 13,000-Watt Dual Fuel Generator
Best for: Whole-home emergency backup and high-demand appliances
- Fuel Type
- Dual Fuel (what this guide is about)
- Voltage
- 120V, 120/240V
- Application
- Home, Emergency, RV
- Start Type
- Electric Start
- Features
- Transfer Switch Ready
- Dimensions
- 30 × 29 × 26 inches
The DuroMax 13,000-Watt Dual Fuel Generator provides heavy backup power using gasoline or propane. It features a 500cc OHV engine, push-button electric start, and all-copper windings. With a transfer switch-ready 120/240V 50-amp outlet alongside 30-amp and GFCI household receptacles, it supports extensive household circuits during an outage. Built-in CO Alert monitors carbon monoxide levels. This unit suits you if you need high-output emergency home backup capable of running multiple major appliances simultaneously.
Pros
- 500cc OHV engine delivers 13,000 watts of power
- Runs on either gasoline or propane with front-panel switching
- Transfer switch-ready 120/240V 50A outlet plus 30A twist-lock
- Push-button electric start and integrated CO Alert
Cons
- Heavy dry weight at 245 pounds
- Large physical footprint measuring 30 by 29 by 26 inches
Good fit if
- You need high wattage and a 50-amp outlet to connect to a home transfer switch.
- You want the flexibility to switch between gasoline and propane fuels.
- You prefer push-button electric starting instead of manual pull starting.
Skip if
- You need a lightweight unit that one person can easily lift alone.
- You have limited storage space to accommodate its 30-inch frame.
Verdict: DuroMax 13,000-Watt Dual Fuel Generator delivers high capacity and flexible fuel options for whole-house backup. Its 50-amp connection and 500cc engine provide ample power for running major home loads during an outage.
Generac 8250W Dual Fuel Portable Generator
Best for: mid-size home backup and jobsite power needs
- Fuel Type
- Dual Fuel (what this guide is about)
- Surge Wattage
- 8,250 W
- Start Type
- Electric Start
- Dimensions
- 27.5 × 27 × 26.5 inches
- Weight
- 181 pounds
The Generac 8250W Dual Fuel Portable Generator gives you 8,250 surge watts powered by a 340cc OHV engine. You can run it on gasoline or liquid propane and switch fuels using a dial without shutting down the unit. A 7.5-gallon steel fuel tank provides up to 11 hours of runtime at half load on gas. It suits you if you need reliable backup power with push-button electric starting.
Pros
- Delivers 8,250 surge watts using gasoline or liquid propane
- Source selector dial switches fuels without shutting down the engine
- 7.5-gallon steel tank runs up to 11 hours at 50% load on gasoline
- Push-button rocker switch electric start
- Built-in COsense carbon monoxide detection and low-oil shutdown
Cons
- Heavy 181-pound weight requires wheeled transport
- Runtime drops to 6 hours when operating on a 20lb propane tank
Good fit if
- You need 8,250 starting watts for home emergency backup or jobsite tools.
- You want to alternate between gas and propane without interrupting engine operation.
- You prefer push-button electric starting over a manual recoil pull cord.
Skip if
- You need a lightweight generator that one person can lift easily.
- You require more than 6 hours of continuous runtime on a standard 20lb propane tank.
Verdict: Generac 8250W Dual Fuel Portable Generator provides substantial starting output and seamless fuel transitions for handling demanding emergency loads. The electric start, steel cradle frame, and integrated safety shutdowns make it a practical heavy-duty workhorse.
Westinghouse 12000W Dual-Fuel Inverter Generator
Best for: whole-home backup needing clean inverter power
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 9,000 W (Gas) / 8,100 W (Propane)
- Surge Wattage
- 12,000 W (Gas) / 11,000 W (Propane)
- Voltage
- 120V / 240V
- Start Type
- Electric Start, Remote Start
- Features
- CO Sensor, Transfer Switch Ready, Parallel Capable
View on Amazon: Westinghouse 12000W Dual-Fuel Inverter Generator
This dual fuel inverter generator delivers 9,000 running watts on gasoline and 8,100 running watts on propane, with total harmonic distortion limited to 3% or less. It features both 50-amp and 30-amp 120/240V connections, electric start with a remote key fob, and a 7.9-gallon fuel tank. It suits you if you need clean power for high-draw home backup circuits.
Pros
- Clean inverter power with 3% or less total harmonic distortion
- Both 50A 14-50R and 30A L14-30R transfer switch ready outlets
- Up to 19 hours of runtime at 25% load on gasoline
- Remote electric start with key fob included
- Built-in CO sensor and low oil shutdown
Cons
- Heavy dry weight of 187.4 pounds
- Only one 120V 20A duplex household outlet included
- Lower running output on propane at 8,100 watts
Good fit if
- You need clean inverter power to back up sensitive household electronics.
- You want direct connection to a 50-amp or 30-amp transfer switch.
- You prefer starting your generator remotely using a key fob.
Skip if
- You need a lightweight unit that one person can easily carry.
- You require multiple 120V duplex household outlets on the control panel.
Verdict: Westinghouse 12000-Watt Dual Fuel Inverter Generator pairs high running capacity with clean power and versatile 240V connections. It is a solid match when you need substantial home backup without risking sensitive electronics.
Generac 5200W Dual-Fuel Electric-Start Inverter
Best for: RV camping and sensitive electronics backup
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 3,900W
- Surge Wattage
- 5,200W
- Voltage
- 120V
- Start Type
- Electric Start
- Dimensions
- 37.2 × 20.3 × 22.5 inches
View on Amazon: Generac 5200W Dual-Fuel Electric-Start Inverter
This Generac inverter generator runs on gasoline or propane, providing 5,200 starting watts and 3,900 running watts. Its inverter architecture keeps total harmonic distortion under 3% for sensitive electronics, while a 3.2-gallon fuel tank supplies up to 15 hours of runtime at 25% load. With push-button electric start and a 120V 30A twist-lock outlet, it suits you if you need clean, manageable dual-fuel power for RV trips or home essentials.
Pros
- Delivers 5,200 starting watts and 3,900 running watts on gas or propane
- Produces clean power with less than 3% total harmonic distortion
- Push-button electric start includes a 12V battery
- Features a 120V 30A outlet, two 20A GFCI outlets, plus USB-A and USB-C
Cons
- Limited to 120V output with no 240V receptacle
- Weighs over 100 pounds, requiring wheels for transport
- Parallel kit is sold separately for expanding capacity
Good fit if
- You need clean dual-fuel inverter power for laptops, phones, or sensitive electronics.
- You want push-button electric start and integrated carbon monoxide safety shutdown.
- You operate a 13,500 BTU RV air conditioner using a standard 120V 30A plug.
Skip if
- You require 240V power to run heavy household appliances or well pumps.
- You need a lightweight generator you can easily lift by hand without wheels.
Verdict: Generac 5200W Dual Fuel Inverter Generator provides clean, reliable electricity with dual-fuel flexibility and easy push-button starting. It delivers solid mid-range output for RV appliances and sensitive equipment without requiring manual pull starts.
Westinghouse 12500-Watt Dual-Fuel Generator
Best for: high-wattage home backup and 50A power connections
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 9,500 W (gas) / 8,500 W (propane)
- Surge Wattage
- 12,500 W (gas) / 11,200 W (propane)
- Voltage
- 120V/240V
- Application
- Home
- Start Type
- Electric Start, Remote Start
This dual-fuel generator delivers 9,500 running watts and 12,500 peak watts on gasoline, or 8,500 running watts and 11,200 peak watts on propane. You get electric, recoil, and remote key-fob starting, plus up to 12 hours of run time on its 6.6-gallon tank. With dedicated 30A transfer-switch and 50A RV-ready outlets, it suits you if you need high-capacity emergency home backup power.
Pros
- Delivers up to 12,500 peak watts on gas and 11,200 peak watts on propane
- Offers remote key fob, electric push-button, and recoil starting
- Includes both 120V 30A transfer-switch and 120/240V 50A outlets
- Provides up to 12 hours of run time on a 6.6-gallon tank
- VFT digital meter displays real-time voltage, frequency, and operating hours
Cons
- Heavy frame weighing approximately 210 pounds
- Requires minimal assembly before initial operation
Good fit if
- You need high wattage to power a home via a 30A or 50A connection.
- You want the convenience of starting the engine with a wireless remote key fob.
- You switch between gasoline and propane fuel sources.
Skip if
- You need a lightweight unit that weighs under 200 pounds.
- You want a generator that requires zero assembly out of the box.
Verdict: Westinghouse 12500-Watt Dual-Fuel Generator delivers substantial output and versatile outlet options for critical home circuits. Its heavy 210-pound footprint is offset by remote starting convenience and dual-fuel flexibility.
WEN 4800-Watt Dual Fuel Electric Start Inverter Generator
Best for: RV travel and clean dual-fuel portable power
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 4000 W
- Surge Wattage
- 4800 W (Gas), 4320 W (Propane)
- Voltage
- 120V
- Application
- RV
- Start Type
- Electric Start
View on Amazon: WEN 4800-Watt Dual Fuel Electric Start Inverter Generator
This WEN inverter generator runs on gasoline or propane, providing up to 4,800 surge watts and 4,000 rated watts. You get a 224cc engine, electric start, an RV-ready TT-30R outlet, and clean power for sensitive electronics. At 78.5 pounds with built-in wheels and a telescoping handle, it suits you if you need portable dual-fuel power for camping, RV trips, or home emergency backup.
Pros
- Matches 4,000 running watts on both gasoline and propane
- Equipped with TT-30R RV outlet, four 120V household outlets, and two USB ports
- Includes carbon monoxide auto-shutdown sensor and fuel shut-off feature
- Telescoping handle and built-in wheels ease transport at 78.5 pounds
Cons
- Lacks a 240V outlet for high-draw home transfer switches
- Propane peak output drops from 4,800 surge watts to 4,320 watts
Good fit if
- You need an RV-ready TT-30R connection with clean inverter power for sensitive gear.
- You want consistent 4,000-watt continuous power whether running gasoline or propane.
- You prefer push-button electric start over standard manual recoil.
Skip if
- You require 240V output to power large home appliances or well pumps.
- You need more than 4,000 running watts to handle multiple high-draw loads simultaneously.
Verdict: WEN 4800-Watt Dual Fuel Electric Start Inverter Generator provides clean dual-fuel power with matched 4,000-watt running capacity on both gas and propane. It is a capable, portable power source for RV campers and home emergency backup needs.
Westinghouse 6600W Dual Fuel Generator
Best for: RV power and mid-sized home backup
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 5300 W (Gas), 4800 W (Propane)
- Surge Wattage
- 6600 W (Gas), 5900 W (Propane)
- Voltage
- 120/240V
- Application
- Home, RV
- Start Type
- Electric Start, Remote Start
This dual-fuel generator delivers 5,300 running watts on gasoline and 4,800 running watts on propane, reaching up to 6,600 peak watts. It includes a 4.7-gallon fuel tank providing up to 14.5 hours of run time, a 120/240V selector switch, and remote key fob electric start. Outlets include a TT-30R RV plug and an L14-30R transfer switch receptacle. It suits you if you need a mid-sized backup power supply for home essentials or RV trips.
Pros
- Delivers up to 5,300 running watts on gas and 4,800 running watts on propane
- Push-button electric start with included remote key fob
- Features both an RV-ready TT-30R port and a transfer switch-ready L14-30R outlet
- Automatic carbon monoxide shutdown and low-oil shutdown sensors
Cons
- Weighs 135.6 pounds
- Running power decreases by 500 watts when running on propane
- Requires minimal assembly before first use
Good fit if
- You want to connect directly to an RV or transfer switch using built-in TT-30R or L14-30R receptacles.
- You prefer remote key fob starting alongside dual-fuel versatility.
- You need 120V and 240V power options with runtimes up to 14.5 hours.
Skip if
- You need a lightweight unit that weighs significantly less than 135.6 pounds.
- You require more than 5,300 running watts to support larger household loads.
Verdict: Westinghouse 6600W Dual Fuel Generator provides flexible 120/240V power with key fob start and built-in safety shutoffs. It is an effective mid-capacity solution for travel trailers and home transfer switches.
WEN 4500W Dual Fuel RV Inverter Generator
Best for: RV camping and mid-sized dual-fuel backup
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 3500W (Gas) / 3150W (Propane)
- Surge Wattage
- 4500W
- Voltage
- 120V
- Application
- RV
- Features
- Fuel Shut-Off
This WEN dual-fuel inverter generator supplies up to 4,500 surge watts and 3,500 running watts on gasoline, or 3,150 running watts on propane. It features automatic fuel selection that switches from propane to gas to keep your power running without interruption. You get clean inverter electricity with a dedicated TT-30R RV outlet, a 100-pound frame with built-in wheels, and quiet 58 dBA operation at quarter load for campsites or home backup.
Pros
- Auto Fuel Selection automatically shifts from propane to gasoline
- Built-in RV-ready TT-30R receptacle alongside two standard 120V outlets
- Quiet 58 dBA sound rating at 22 feet under quarter load
- Delivers clean inverter power safe for sensitive electronics
Cons
- Uses a manual recoil pull start rather than an electric start switch
- Heavy 100-pound dry weight requires physical effort to lift
- Limited to 120V output with no 240V receptacle available
Good fit if
- You need an RV-ready TT-30R plug with clean inverter power for mobile living.
- You want seamless automatic switching between propane and gasoline fuel sources.
- You operate gear in areas that demand low noise levels around 58 dBA.
Skip if
- You require an electric push-button or remote start system.
- You need 240V power to run heavy household transfer switches.
- You cannot comfortably manage a 100-pound portable generator.
Verdict: WEN 4500W Dual Fuel RV Inverter Generator balances 4500-watt peak capability with quiet inverter operation and convenient automatic fuel switching. It serves as an adaptable mid-sized power source for RV travel and essential home circuits.
Westinghouse 14500W Dual Fuel Portable Generator
Best for: large home backup power with high wattage needs
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 11,500W gas, 10,500W propane
- Surge Wattage
- 14,500W gas, 13,500W propane
- Application
- Home
- Start Type
- Electric Start, Remote Start
- Features
- Transfer Switch Ready
View on Amazon: Westinghouse 14500W Dual Fuel Portable Generator
The Westinghouse 14500W Dual Fuel Portable Generator provides 11,500 running watts on gasoline and 10,500 running watts on propane. It features a 550cc four-stroke engine and a 9.5-gallon fuel tank delivering up to 19 hours of runtime on gas or seven hours on a 20-pound propane cylinder. With transfer switch capability, remote electric start, and low total harmonic distortion, you can run sensitive electronics and large household equipment during outages.
Pros
- 11,500 running watts on gasoline and 10,500 running watts on propane
- Up to 19 hours of run time on a 9.5-gallon fuel tank
- Remote electric start and transfer switch ready design
- Low THD with copper windings safe for sensitive electronics
Cons
- Heavy unit at 230 pounds
- Propane runtime is limited to 7 hours on a 20-pound cylinder
Good fit if
- You need over 10,000 running watts for high-demand home backup appliances.
- You want remote start convenience and transfer switch compatibility.
- You need clean power with low THD for electronics.
Skip if
- You need a lightweight unit that weighs under 200 pounds.
- You require more than seven hours of runtime from a 20-pound propane tank.
Verdict: Westinghouse 14500W Dual Fuel Portable Generator provides substantial wattage and remote electric starting for whole-home emergency backup. Its 230-pound weight makes it hefty, but the high running wattage easily handles large household circuits.
PowerSmart 3800W Dual Fuel Inverter Generator
Best for: quiet dual-fuel home backup and small appliances
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 3300W Gas / 3100W Propane
- Surge Wattage
- 3800W Gas / 3500W Propane
- Output Ports
- 1 L5-30R, 2 5-20R, 1 DC, 2 USB
- Voltage
- 120V
- Application
- Home
View on Amazon: PowerSmart 3800W Dual Fuel Inverter Generator
The PowerSmart 3800W Dual Fuel Inverter Generator provides 3,300 running watts on gasoline and 3,100 running watts on propane. You get up to 24 hours of runtime at 25 percent load using a 20-pound propane tank, or eight hours on 1.3 gallons of gas. Operating at 59 dBA in Eco Mode and weighing 50.7 pounds, it suits you if you need quiet, portable backup power for basic home appliances and electronics.
Pros
- Delivers 3,300 running watts on gas and 3,100 running watts on propane
- Runs up to 24 hours at 25% load on a 20-lb propane tank
- Operates at 59 dBA in Eco Mode
- Includes carbon monoxide sensor and low-oil shutdown
- Lightweight 50.7-pound build with 120V, DC, and USB ports
Cons
- No 240V outlet available for heavy-duty appliances
- Small 1.3-gallon fuel tank requires frequent gasoline refills
- Running capacity drops to 3,100 watts when fueled by propane
Good fit if
- You want extended runtimes by connecting a standard 20-pound propane tank.
- You need quiet 59 dBA power generation for residential settings.
- You require 120V twist-lock, standard duplex, and USB outlets in one unit.
Skip if
- You need 240-volt output to run large home backup circuits.
- You require more than 3,300 continuous running watts.
Verdict: PowerSmart 3800W Dual Fuel Inverter Generator delivers efficient dual-fuel capability and quiet 59 dBA operation in a compact 50.7-pound frame. It provides dependable 120-volt electricity and built-in carbon monoxide monitoring for essential domestic power needs.
Westinghouse 4650W Dual Fuel Portable Generator
Best for: RV camping and essential home backup
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 3600 W (Gas), 3240 W (Propane)
- Surge Wattage
- 4650 W
- Voltage
- 120V
- Application
- RV
- Features
- CO Sensor
View on Amazon: Westinghouse 4650W Dual Fuel Portable Generator
This dual fuel generator produces up to 4,650 peak watts and 3,600 running watts on gasoline, or 3,240 running watts on propane. You get up to 14 hours of run time from the four-gallon fuel tank. Built-in outlets include a dedicated TT-30R RV receptacle and an L5-30R twist-lock plug. It works well if you need reliable backup power for an RV or essential household circuits without handling oversized machinery.
Pros
- Delivers 3,600 running watts on gasoline and 3,240 running watts on propane
- Runs up to 14 hours on a 4-gallon gasoline tank
- Equipped with a TT-30R 30A RV outlet and an L5-30R twist-lock receptacle
- Features automatic low-oil and carbon monoxide safety shutdown
Cons
- Weighs 108 pounds, which makes manual lifting heavy
- Lower running output on propane at 3,240 watts compared to gasoline
- Requires minimal assembly before initial operation
Good fit if
- You need a direct TT-30R connection for RV use.
- You want dual-fuel flexibility to switch between gasoline and propane.
- You require up to 14 hours of run time on a single 4-gallon tank.
Skip if
- You need more than 3,600 running watts for heavy-duty household backup.
- You want a lightweight generator that weighs less than 100 pounds.
Verdict: Westinghouse 4650W Dual Fuel Portable Generator supplies dependable dual-fuel output with RV-ready connections and essential carbon monoxide detection. It provides practical mid-range power for travel trailers and modest home backup needs.
DuroStar 13,000-Watt Dual Fuel Generator
Best for: high-demand whole-home emergency backup
- Fuel Type
- Dual Fuel (what this guide is about)
- Output Ports
- 50A outlet
- Application
- Home, Emergency, RV
- Start Type
- Electric Start, Remote Start
- Features
- Transfer Switch Ready
- Dimensions
- 29.8 × 27.5 × 25.8 inches
This DuroStar dual fuel generator delivers 13,000 watts from a 500cc engine running on gasoline or propane. You get a transfer switch-ready 50-amp outlet to power high-draw home equipment during outages, plus an automatic CO alert safety shutdown. With push-button electric start and remote start capabilities, this heavy-duty unit suits you if you need reliable whole-home emergency backup or job-site power.
Pros
- 13,000-watt maximum output with 500cc engine
- Dual fuel support for gasoline and propane
- Push-button electric start and remote start
- Transfer switch-ready 50-amp outlet
- Carbon monoxide detection with automatic shutdown
Cons
- Heavy dry weight of 220 pounds
- Large footprint measuring 29.75 by 27.5 inches
Good fit if
- You need a transfer switch-ready 50A connection for backup power.
- You want dual fuel operation with propane and gas options.
- You prefer push-button and remote electric starting.
Skip if
- You need a lightweight generator under 220 pounds.
- You lack storage space for a 29.75-inch-long frame.
Verdict: DuroStar 13,000-Watt Dual Fuel Generator delivers heavy-duty power output with a dedicated 50-amp home connection. Its remote electric start and dual-fuel versatility make it a reliable solution for major grid outages.
AIVOLT 11250W Dual Fuel Inverter Generator
Best for: high-output home backup with remote starting
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 9,000W gas / 8,540W propane
- Surge Wattage
- 11,250W gas / 10,570W propane
- Output Ports
- 50A outlet
- Application
- Home
- Dimensions
- 28.4 × 26.4 × 29.7 inches
The AIVOLT 11250W Dual Fuel Inverter Generator provides backup electricity using gasoline or propane. You get 9,000 running watts on gas and 8,540 running watts on propane, with a 50-amp outlet and ATS compatibility for home transfer switches. Its 7.1-gallon tank delivers up to 19 hours of runtime at 25 percent load while operating at 60 dBA. This unit suits you if you need high inverter capacity for heavy household circuits.
Pros
- 9,000 running watts on gasoline and 8,540 running watts on propane
- Up to 19 hours of runtime on a 7.1-gallon fuel tank
- Remote start works from up to 80 feet away
- Equipped with a 50-amp outlet and ATS compatibility
Cons
- Heavy unit weight at 221 pounds
- Engine oil is not included in the package
Good fit if
- You need 50-amp service or ATS connection for home backup power.
- You want electric push-button or remote starting from up to 80 feet away.
- You require runtimes up to 19 hours at quarter load on gasoline.
Skip if
- You cannot manage transporting or storing a 221-pound machine.
- You want a package that already includes engine oil.
Verdict: AIVOLT 11250W Dual Fuel Inverter Generator delivers heavy-duty dual-fuel output with quiet 60 dBA operation and remote starting. It provides substantial wattage and 50-amp connectivity for whole-home transfer switches or large RVs.
Westinghouse 5000W Dual-Fuel Inverter Generator
Best for: RV use requiring quiet dual-fuel operation
- Fuel Type
- Dual Fuel (what this guide is about)
- Running Wattage
- 3,900 W (Gas), 3,500 W (Propane)
- Surge Wattage
- 5,000 W (Gas), 4,500 W (Propane)
- Voltage
- 120V
- Application
- RV
- Start Type
- Electric Start, Remote Start
View on Amazon: Westinghouse 5000W Dual-Fuel Inverter Generator
This dual-fuel inverter generator delivers 5,000 peak watts and 3,900 running watts on gasoline, or 4,500 peak watts and 3,500 running watts on propane. You get an RV-ready TT-30R 30A outlet, two 120V household outlets, and dual USB ports. It runs up to 18 hours at 25% load on a 3.4-gallon gas tank and operates as quietly as 52 dBA. It suits you if you need quiet power for camping, RVs, or home backup.
Pros
- Up to 18 hours of runtime at 25% load on gasoline
- Operating noise level down to 52 dBA
- Clean electricity with less than 3% THD for sensitive electronics
- Includes remote electric start key fob and built-in CO sensor
Cons
- Requires a separate parallel kit to access 240V power
- Continuous output drops to 3,500 running watts on propane
- Heavy dry weight of 105.8 pounds
Good fit if
- You need an RV-ready TT-30R 30A outlet for trailer power.
- You want remote key fob starting without manual pulling.
- You require low operating sound levels down to 52 dBA.
Skip if
- You need 240V appliance output directly from a single generator unit.
- You cannot lift or transport equipment weighing 105.8 pounds.
Verdict: Westinghouse 5000W Dual-Fuel Inverter Generator provides quiet, stable dual-fuel power suited for RVs and household essentials. It balances long runtimes and low total harmonic distortion with convenient remote push-button starting.
Specifications side by side
| Spec | WEN 3600-Watt Dual Fuel Inverter Generator | DuroMax 13,000-Watt Dual Fuel Generator | Generac 8250W Dual Fuel Portable Generator | Westinghouse 12000W Dual-Fuel Inverter Generator | Generac 5200W Dual-Fuel Electric-Start Inverter | Westinghouse 12500-Watt Dual-Fuel Generator | WEN 4800-Watt Dual Fuel Electric Start Inverter Generator | Westinghouse 6600W Dual Fuel Generator | WEN 4500W Dual Fuel RV Inverter Generator | Westinghouse 14500W Dual Fuel Portable Generator | PowerSmart 3800W Dual Fuel Inverter Generator | Westinghouse 4650W Dual Fuel Portable Generator | DuroStar 13,000-Watt Dual Fuel Generator | AIVOLT 11250W Dual Fuel Inverter Generator | Westinghouse 5000W Dual-Fuel Inverter Generator |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Running Wattage | 2900 W (Gas), 2600 W (Propane) | not specified | not specified | 9,000 W (Gas) / 8,100 W (Propane) | 3,900W | 9,500 W (gas) / 8,500 W (propane) | 4000 W | 5300 W (Gas), 4800 W (Propane) | 3500W (Gas) / 3150W (Propane) | 11,500W gas, 10,500W propane | 3300W Gas / 3100W Propane | 3600 W (Gas), 3240 W (Propane) | not specified | 9,000W gas / 8,540W propane | 3,900 W (Gas), 3,500 W (Propane) |
| Surge Wattage | 3600 W (Gas), 3500 W (Propane) | not specified | 8,250 W | 12,000 W (Gas) / 11,000 W (Propane) | 5,200W | 12,500 W (gas) / 11,200 W (propane) | 4800 W (Gas), 4320 W (Propane) | 6600 W (Gas), 5900 W (Propane) | 4500W | 14,500W gas, 13,500W propane | 3800W Gas / 3500W Propane | 4650 W | not specified | 11,250W gas / 10,570W propane | 5,000 W (Gas), 4,500 W (Propane) |
| Fuel Type | Dual Fuel | Dual Fuel | Dual Fuel | Dual Fuel (Gas, Propane) | Dual Fuel | Dual Fuel (Gas and Propane) | Dual Fuel | Dual Fuel | Dual Fuel | Dual Fuel (Gas and Propane) | Dual Fuel | Dual Fuel | Dual Fuel (Gas and Propane) | Dual Fuel | Dual Fuel |
| Output Ports | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 1 L5-30R, 2 5-20R, 1 DC, 2 USB | not specified | 50A outlet | 50A outlet | not specified |
| Voltage | 120V | 120V, 120/240V | not specified | 120V / 240V | 120V | 120V/240V | 120V | 120/240V | 120V | not specified | 120V | 120V | not specified | not specified | 120V |
| Wattage | 3600W | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 4500W | not specified | not specified | not specified | not specified | not specified | 5000W |
| Application | RV | Home, Emergency, RV | not specified | not specified | not specified | Home | RV | Home, RV | RV | Home | Home | RV | Home, Emergency, RV | Home | RV |
| Start Type | not specified | Electric Start | Electric Start | Electric Start, Remote Start | Electric Start | Electric Start, Remote Start | Electric Start | Electric Start, Remote Start | not specified | Electric Start, Remote Start | not specified | not specified | Electric Start, Remote Start | not specified | Electric Start, Remote Start |
| Features | CO Sensor, Fuel Shut-Off | Transfer Switch Ready | not specified | CO Sensor, Transfer Switch Ready, Parallel Capable | not specified | Transfer Switch Ready | Fuel Shut-Off | CO Sensor, Transfer Switch Ready | Fuel Shut-Off | Transfer Switch Ready | not specified | CO Sensor | Transfer Switch Ready | not specified | CO Sensor, Parallel Capable |
| Dimensions | 18 × 11.6 × 19.7 inches | 30 × 29 × 26 inches | 27.5 × 27 × 26.5 inches | 30.2 × 25.2 × 26.6 inches | 37.2 × 20.3 × 22.5 inches | 27.2 × 26.1 × 26.5 inches | not specified | 23.4 × 20.6 × 19.5 inches | 23.2 × 18 × 20.1 inches | 28.9 × 29.6 × 26.9 inches | 19.5 × 13.4 × 21.9 inches | 23.3 × 18.5 × 18.9 inches | 29.8 × 27.5 × 25.8 inches | 28.4 × 26.4 × 29.7 inches | 29.6 × 21.5 × 24.3 inches |
| Weight | 49 pounds | 245 pounds | 181 pounds | 187 pounds | 107 pounds | 210 pounds | 78.5 pounds | 136 pounds | 100 pounds | 230 pounds | 50.7 pounds | 108 pounds | 220 pounds | 221 pounds | 106 pounds |
| Length | not specified | not specified | not specified | not specified | not specified | not specified | 24 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Height | not specified | not specified | not specified | not specified | not specified | not specified | 22 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Size | Dual Fuel + CO Alarm | not specified | not specified | not specified | not specified | WGen9500DF | Fuel: Dual Fuel + Electric Start + CO Alarm | not specified | 4500W Dual Fuel + Recoil Start | not specified | 1ps Pack of 24 | not specified | not specified | Inverter generator -11250 Watts UP | not specified |
| Color | Black | Blue | Orange | Blue | Orange | - CARB Compliant | Black | Blue | 4500W + Dual Fuel | Blue | Black & Red | Blue | Black/Red | Orange | Blue |
| Model | DF360iX | XP13000HX | G0080623 | iGen12000DFc | 8947 | WGen9500DF | DF480iX | WGen5300DFc | DF450i | WGen11500DFc | HB5040DC | WGen3600DFcv | DS13000MX | VS12000411 | iGen5000DFc |
How to Choose a Dual Fuel Generator
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Assess Total Unit Weight
Generator weight dictates how easily you can transport or store the machine. Heavy dual-fuel models often weigh well over 200 pounds, requiring dedicated storage space or multi-person handling. If your priority involves camping, job sites, or frequent loading into vehicle trunks, look for compact builds under 60 pounds. For example, the WEN 3600-Watt Dual Fuel Inverter Generator weighs 49 pounds. Check the published weight and overall frame dimensions before buying to make sure you can manage the physical unit comfortably.
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Check the Starting Mechanism
Starting mechanisms affect operational convenience during bad weather or emergencies. Basic recoil pull cords require physical strength to turn over large engines. Electric start systems engage the motor using a battery-powered switch, removing the physical effort. Remote start takes convenience further by letting you fire up the machine from inside your house or camper. The Westinghouse 6600W Dual Fuel Generator provides both electric start and remote start capabilities. Check the listed start type to confirm whether a model includes push-button ignition or wireless key fob operation.
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Look for Carbon Monoxide Sensors
Carbon monoxide safety is an important specification to evaluate on portable generators. Engine exhaust produces dangerous fumes, making integrated detection systems a vital safety feature for residential yards and campsites. Models equipped with carbon monoxide monitoring automatically trigger an engine shutdown when hazardous gas concentrations accumulate nearby. The Westinghouse 4650W Dual Fuel Portable Generator includes a built-in CO sensor among its core features. Review the spec sheet for dedicated CO detection or automatic safety shut-offs to ensure an extra level of protection during extended home backup runs.
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Prioritize Fuel Shut-Off Valves
Fuel maintenance features protect dual-fuel machines during long periods between emergency uses. Leaving gasoline inside the carburetor leads to stale fuel deposits and difficult starting cycles. Models with an independent fuel shut-off let the engine run until the carburetor empties completely before shutting down, protecting components while the tank stays fueled. The WEN 4500-Watt Dual Fuel Electric Start Inverter Generator lists a dedicated fuel shut-off feature. Check the feature list for fuel shut-off mechanisms if you plan to store your unit for months between seasonal power outages.
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Consider Parallel Stacking Ports
Parallel capability allows you to connect two matching inverter units together to increase electrical capacity. This setup lets you start with a mid-sized, portable inverter and double your output later without lifting a single heavy, high-wattage generator. The Westinghouse 5000W Dual-Fuel Inverter Generator includes parallel capability as a core design feature. If your electrical needs might grow over time, check the spec list for parallel support. It gives you flexibility to adapt your power supply between lightweight camping needs and heavier home backup demands without purchasing oversized hardware.
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Match Listed Application Designations
Generator manufacturers designate models for specific applications like home backup, RV travel, or outdoor job sites. These labels indicate built-in hardware configurations, such as standard RV twist-lock receptacles or specialized framing for open-air tasks. The Generac 5200W Dual-Fuel Inverter Generator lists outdoor application as its primary focus. Checking the designated application category helps you filter out units not engineered for your intended environment. Choose models marked for RV travel if you need camper connectivity, or select home-designated models if your primary goal is residential outage protection.
Frequently asked questions
What is the main advantage of choosing a dual fuel generator?
A dual fuel generator gives you the flexibility to switch between gasoline and liquid propane depending on availability. Gasoline provides high output and is widely accessible, while propane stores indefinitely without degrading or clogging carburetors over long storage periods. During severe weather or fuel shortages, having access to both fuel sources ensures your equipment remains operational when standard gas stations shut down.
Can you start a dual fuel generator remotely?
Yes, several dual fuel generators feature wireless remote start in addition to electric push-button ignition. Models such as the Westinghouse 12000W Dual-Fuel Inverter Generator and the DuroStar 13,000-Watt Generator let you start the engine from inside your house or RV. This feature helps you manage power quickly during cold or stormy conditions without manually pulling recoil cords at the unit.
What does a built-in carbon monoxide sensor do on a generator?
A built-in carbon monoxide sensor monitors ambient exhaust gas levels and automatically shuts down the engine if concentrations become hazardous. Units like the PowerSmart 3800W Inverter Generator and the Westinghouse 4650W Portable Generator incorporate this safety shut-off system. While this feature prevents fatal fume accumulation, you must still operate dual fuel equipment outdoors away from open windows and doors.
What is the lightest dual fuel generator for portable use?
The WEN 3600-Watt Dual Fuel Inverter Generator is the lightest option on the list, weighing 49 pounds. The PowerSmart 3800W Dual Fuel Inverter Generator follows closely at 50.7 pounds. These compact footprints make them practical choices when you need dual-fuel capabilities for camping, tailgating, or light outdoor chores where heavy 200-pound frames are difficult to transport alone.
Can dual fuel inverter generators run in parallel?
Yes, specific dual fuel inverter models feature parallel capability, allowing you to connect two compatible units to double your total available power. On this list, the Westinghouse 12000W and Westinghouse 5000W Inverter Generators include dedicated parallel integration. This setup gives you scalable wattage for high electrical demands without requiring a single oversized, heavy generator frame.
What does transfer switch ready mean on dual fuel models?
A transfer-switch-ready generator includes dedicated heavy-duty receptacles designed to plug directly into a manual home transfer switch. Units like the DuroStar 13,000-Watt Dual Fuel Generator and the Westinghouse 14500W Generator provide these connections, enabling you to power hardwired household circuits such as well pumps and furnace fans safely without running multiple extension cords through doorways.
How does a fuel shut-off feature protect a dual fuel generator?
A fuel shut-off feature cuts off the fuel flow to the engine while keeping the ignition active until remaining fuel burns out. Models like the WEN 4500-Watt and WEN 4800-Watt Inverter Generators include this mechanism. Running the carburetor dry before long-term storage stops stale gasoline deposits from creating blockages, ensuring easier restarts when you switch fuels later.