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10 Best Dual Fuel Generator 2025 in the United States
#1
Winner
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
The Westinghouse 13500 Peak Watt Dual Fuel Generator is a strong choice for homeowners needing reliable backup power. With 10,500 running watts on gasoline and 9,500 on propane, it can handle multiple household appliances during outages. Its 9.5-gallon fuel tank offers up to 19 hours of runtime, which means fewer refills and longer operation in emergencies. The generator is powered by a durable 500cc 4-stroke engine with features like automatic low oil and carbon monoxide shutdowns, adding safety and engine protection.
Rating
9.9
Chosen by1,315
Power Output (Wattage)
Fuel Capacity and Runtime
Portability
Most important from
2062 reviews
#2
ERAYAK 4500W Dual-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas and Propane Powered, EPA, CO Sensor, Parallel Ready, Campact Design
The ERAYAK 4500W Dual-Fuel Portable Inverter Generator is a versatile choice for home backup, RV camping, and outdoor use. It supports both gasoline and propane, providing flexibility and longer runtime — about 16 hours on gas at a quarter load and over 20 hours when using propane. This allows power to last through the night without frequent refueling. With a peak power of 4500W and running power of 3500W on gas, it can handle most household essentials and RV appliances safely thanks to its clean power output (pure sine wave). It features several useful outlets including two 120V outlets, a 30A RV outlet, and USB ports, covering a wide range of devices.
Rating
9.8
Power Output (Wattage)
Fuel Capacity and Runtime
Portability
Most important from
725 reviews
#3
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
The DuroMax XP13000HX Dual Fuel Portable Generator is designed to provide robust power with its impressive 13,000-watt output, making it suitable for keeping a whole household running during a power outage. One of its key strengths is the dual-fuel capability, allowing it to run on either gasoline or propane. Propane is a beneficial option as it is cost-effective, clean-burning, and has a longer shelf life compared to gasoline. The generator's 500cc OHV engine and all copper windings contribute to its durability and longevity.
Rating
9.7
Power Output (Wattage)
Fuel Capacity and Runtime
Portability
Most important from
2278 reviews
Top 10 Best Dual Fuel Generator 2025 in the United States
#1
Winner
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Power Output (Wattage): 10500W running, 13500W starting
Fuel Capacity and Runtime: 9.5 gallons, 19 hours runtime
Portability: 230 pounds weight
Starting Mechanism: Remote electric, recoil backup start
Outlets and Connectivity: Multiple outlets, USB, RV, transfer
Chosen by 1315 this week
ERAYAK 4500W Dual-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas and Propane Powered, EPA, CO Sensor, Parallel Ready, Campact Design
ERAYAK 4500W Dual-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas and Propane Powered, EPA, CO Sensor, Parallel Ready, Campact Design
Power Output (Wattage): 4500W peak, 3500W running
Fuel Capacity and Runtime: 2.25 gallons; ~16h gas, >20h propane
Portability: 54 pounds
Noise Level: 58 dBA
Starting Mechanism: recoil start
Outlets and Connectivity: two 120V, 30A RV, USB ports
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): 13000
Fuel Capacity and Runtime: 0.5 Gallons
Portability: 245 pounds, wheel kit
Starting Mechanism: electric start
Outlets and Connectivity: 50-amp, 4 outlets
WEN 11,000-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start (DF1100T)
WEN 11,000-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start (DF1100T)
Power Output (Wattage): 11,000 surge (gas), 8,300 running (gas), 9,500 surge (propane), 7,500 running (propane)
Fuel Capacity and Runtime: 6.6 gallons, up to 8.5 hours
Portability: 214 pounds, wheel kit included
Starting Mechanism: electric start
Outlets and Connectivity: four 120V GFCI, 120V 30A twist lock, 120V/240V 50A, 12V DC
WEN Quiet 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog for Electric Vehicle Backup (DF680iX)
WEN Quiet 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog for Electric Vehicle Backup (DF680iX)
Power Output (Wattage): 6800 surge, 5100 running watts
Fuel Capacity and Runtime: 2.9 gallons, 6 hours runtime
Portability: Wheels, telescoping handle, 107.8 lbs
Starting Mechanism: Electric start
Outlets and Connectivity: 120V/240V outlets, USB ports
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WEN Quiet and Lightweight 3600-Watt Dual Fuel RV-Ready Portable Inverter Generator with Fuel Shut Off and CO Watchdog (DF360iX)
WEN Quiet and Lightweight 3600-Watt Dual Fuel RV-Ready Portable Inverter Generator with Fuel Shut Off and CO Watchdog (DF360iX)
Power Output (Wattage): 3600 watts
Fuel Capacity and Runtime: 1.5 Gallons, 5 hours
Portability: 49 pounds
Starting Mechanism: Spark Ignition
Outlets and Connectivity: Two 120V, one TT-30R, one 12V, two USB
Generac 5,200-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Produces Clean, Stable Power - Great for Home Backup, Camping, and RV Use
Generac 5,200-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Produces Clean, Stable Power - Great for Home Backup, Camping, and RV Use
Power Output (Wattage): 5200 starting, 3900 running watts
Portability: 107 pounds, about 3 feet long
Starting Mechanism: Electric start
Outlets and Connectivity: Two USB, 120V outlets, connect second
Generac 9,400/7,500-Watt Dual Fuel Portable Generator - Electric Start - Gas or Propane Powered - Home Backup or Jobsite - Quiet, Long Runtime, Emergency Power - 49-State Compliant
Generac 9,400/7,500-Watt Dual Fuel Portable Generator - Electric Start - Gas or Propane Powered - Home Backup or Jobsite - Quiet, Long Runtime, Emergency Power - 49-State Compliant
Power Output (Wattage): Starting 9400W, Running 7500W
Fuel Capacity and Runtime: 7.9 gal; 11h half load gas
Portability: 204 pounds
Starting Mechanism: Electric start
Outlets and Connectivity: 4 power outlets
#10
WEN Quiet and Lightweight 4800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog (DF480iX)
WEN Quiet and Lightweight 4800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog (DF480iX)
Power Output (Wattage): 4800 watts
Fuel Capacity and Runtime: 1.9 Gallons, 7 hours
Portability: wheels, telescoping handle
Starting Mechanism: Electric start
Outlets and Connectivity: Four 120V, 12V DC, two USB, RV-ready
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Buying Guide for the Best Dual Fuel Generator
Choosing the right dual-fuel generator can be a bit overwhelming, but with the right approach, you can find the perfect model to suit your needs. Dual-fuel generators are versatile machines that can run on both gasoline and propane, offering flexibility and convenience. When selecting a dual-fuel generator, it's important to consider several key specifications to ensure it meets your power requirements and usage preferences. Here are the key specs to focus on and how to navigate them.Power Output (Wattage)Power output, measured in watts, indicates how much electricity the generator can produce. This is crucial because it determines what appliances and devices you can run simultaneously. Generators typically range from 1,000 watts to over 10,000 watts. For light use, such as powering small appliances or tools, a generator with 1,000 to 3,000 watts may suffice. For more demanding needs, like running multiple household appliances or larger tools, look for models in the 4,000 to 7,000-watt range. For whole-house backup or heavy-duty use, consider generators with 8,000 watts or more. Assess your power needs by listing the wattage requirements of the devices you plan to use and choose a generator that can handle the total load.
Fuel Capacity and RuntimeFuel capacity refers to the amount of fuel the generator can hold, while runtime indicates how long the generator can operate on a full tank of fuel. This is important for determining how often you'll need to refuel during extended use. Generators with larger fuel tanks offer longer runtimes, which is beneficial during power outages or for prolonged outdoor activities. For occasional use or short-term power needs, a smaller fuel tank with a shorter runtime may be sufficient. For continuous or emergency use, opt for a generator with a larger fuel tank and longer runtime to minimize the frequency of refueling.
PortabilityPortability is a key factor if you plan to move the generator frequently or use it in different locations. This includes the generator's weight, size, and whether it has wheels and handles for easy transport. Lightweight and compact models are ideal for camping, tailgating, or occasional use around the house. Heavier models with wheels and handles are better suited for more permanent installations or frequent relocation. Consider how and where you'll use the generator to determine the level of portability you need.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the generator will be during operation. This is important for ensuring comfort and compliance with noise regulations, especially in residential areas or campsites. Generators typically range from 50 dB to over 80 dB. For quiet operation, look for models with noise levels below 60 dB, which are comparable to normal conversation. For less noise-sensitive environments, generators with noise levels up to 70 dB may be acceptable. Consider where you'll be using the generator and how important noise reduction is for your situation.
Starting MechanismThe starting mechanism refers to how the generator is turned on. Common options include manual recoil start, electric start, and remote start. Manual recoil start requires pulling a cord, which can be physically demanding. Electric start uses a push-button or key, making it easier and more convenient. Remote start allows you to start the generator from a distance using a remote control. If ease of use is a priority, especially for those who may have difficulty with manual recoil, opt for an electric or remote start model. Consider your physical ability and convenience preferences when choosing the starting mechanism.
Outlets and ConnectivityOutlets and connectivity options determine what devices and appliances you can plug into the generator. This includes the number and types of outlets, such as standard household outlets, 30-amp or 50-amp RV outlets, and USB ports. More outlets and diverse types offer greater flexibility in what you can power. For basic use, a few standard outlets may be sufficient. For RVs, construction sites, or more complex setups, look for generators with specialized outlets and higher amperage. Assess your power needs and the types of devices you'll be using to ensure the generator has the appropriate outlets and connectivity options.