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10 Best Dual Fuel Generator 2025 in the United States
#1
Winner
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
The Generac GP7500E is a strong choice if you need a reliable dual-fuel generator for home backup or jobsite use. It offers a powerful starting wattage of 9,400W and a running wattage of 7,500W, which can handle heavy electrical loads, making it suitable for emergency power or outdoor work. One of its standout features is the ability to run on both gasoline and propane, with a convenient fuel selector switch that lets you switch fuel types without shutting down the unit. The large 7.9-gallon fuel tank delivers an impressive runtime—up to 11 hours at half load on gas, though propane runtime is shorter at about 5 hours. It includes a helpful fuel gauge and an hour meter to track maintenance, plus safety features like automatic low oil shutdown and a built-in carbon monoxide sensor to alert you to dangerous fumes. Starting the generator is easy thanks to its electric start system.
Rating
10.0
Chosen by1,312
Power Output (Wattage)
Fuel Capacity and Runtime
Portability
Most important from
217 reviews
#2
Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor
The Westinghouse 12500 Peak Watt Dual Fuel Generator offers strong power output, with 9500 running watts on gasoline and slightly less on propane, making it well-suited for home backup during outages. Its 6.6-gallon fuel tank provides up to 12 hours of runtime, which is practical for extended use. Being dual fuel (gasoline and propane) adds flexibility depending on fuel availability. It includes a remote electric start with a key fob, which is convenient, plus a recoil start as backup.
Rating
9.7
Power Output (Wattage)
Fuel Capacity and Runtime
Portability
Most important from
26772 reviews
#3
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
The Westinghouse 12500 Watt Dual Fuel Generator is a solid choice for those looking for a reliable power source for home backup or outdoor activities. With a powerful output of 9500 running watts and 12500 peak watts when using gasoline, and slightly less on propane, it offers plenty of power for essential appliances. One of its standout features is the remote start with a key fob, which adds convenience, especially during emergencies.
Rating
8.8
Fuel Capacity and Runtime
Portability
Noise Level
Most important from
26772 reviews
Top 10 Best Dual Fuel Generator 2025 in the United States
#1
Winner
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
Chosen by 1312 this week
Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor
Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor
Power Output (Wattage): 12500W peak, 9500W running
Fuel Capacity and Runtime: 6.6 gallons, 12 hours runtime
Portability: 225 lbs, front handle
Noise Level: 74 dB
Starting Mechanism: remote electric start, recoil backup
Outlets and Connectivity: standard plugs, transfer switch, USB
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Power Output (Wattage): 9500 running, 12500 peak watts
Fuel Capacity and Runtime: 6.6 gallons, up to 12 hours
Portability: 210 pounds, easily moved
Starting Mechanism: Remote start with key fob
Outlets and Connectivity: Multiple outlets, GFCI, RV-ready
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
Westinghouse 18000 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas & Propane Powered, CO Sensor
Westinghouse 18000 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas & Propane Powered, CO Sensor
Power Output (Wattage): 14500 Running, 18000 Starting Watts
Fuel Capacity and Runtime: 10.5 gallons, 11 hours runtime
Portability: 405 pounds, wheels, handles
Starting Mechanism: Electric start, remote key fob
Outlets and Connectivity: 7 outlets: household, RV, USB
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Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Low THD - Safe for Electronics, Parallel Capable, CO Sensor
Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Low THD - Safe for Electronics, Parallel Capable, CO Sensor
Power Output (Wattage): 9000W gasoline, 8100W propane
Fuel Capacity and Runtime: 9.8 gallons, 17 hours
Portability: 187.4 pounds, wheels, handle
Starting Mechanism: Remote electric, push button, recoil
Outlets and Connectivity: Standard, transfer switch ready
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
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
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
#10
WEN DF450i Super Quiet 4500-Watt Dual RV-Ready Portable Inverter Generator with Fuel Shut-Off
WEN DF450i Super Quiet 4500-Watt Dual RV-Ready Portable Inverter Generator with Fuel Shut-Off
Power Output (Wattage): 4500W surge, 3500W running
Fuel Capacity and Runtime: 2.2 gallons; runtime varies
Portability: 100 lbs, wheels, carrying handle
Noise Level: 58 dB at quarter load
Starting Mechanism: Electronic ignition
Outlets and Connectivity: Two 120V, RV-ready, 12V DC, USB
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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.