10 Best Dual Fuel Generator 2026 in the United States
#1
Winner
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
The DuroMax XP13000HXT is a powerful tri-fuel generator delivering up to 13,000 starting watts and 10,500 running watts, making it suitable for whole-home backup during outages or heavy-duty commercial use. It offers great fuel flexibility with the ability to run on gasoline, propane, or natural gas, which adds convenience and potential cost savings depending on your available fuel sources. The 8.3-gallon gasoline tank provides a solid runtime, though exact duration will vary with the fuel type and load. Weighing 240 pounds, it’s not super light but comes with wheels and a handle to help move it around, which is decent portability for a generator of this size.
Rating
10.0
Chosen by1,251
Power Output (Wattage)
Fuel Capacity and Runtime
Portability
Most important from
420 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
9.1
Power Output (Wattage)
Fuel Capacity and Runtime
Portability
Most important from
996 reviews
#3
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
The Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator is a robust and versatile power solution, ideal for both home backup and outdoor activities. It delivers substantial power with 9000 running watts on gasoline and 8100 running watts on propane, making it suitable for heavy-duty usage. The generator can run up to 17 hours on a full 9.8-gallon tank, providing long-lasting performance, which is excellent for prolonged power outages or extended outdoor events.
Rating
8.5
Power Output (Wattage
Fuel Capacity and Runtime
Portability
Most important from
718 reviews
Top 10 Best Dual Fuel Generator 2026 in the United States
#1
Winner
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
Power Output (Wattage): 13000 starting, 10500 running watts
Fuel Capacity and Runtime: 8.3 gallons; runtime varies
Portability: 240 lbs, wheels and handle
Noise Level: 74 Decibels
Starting Mechanism: Electric push-button, remote start
Outlets and Connectivity: 7 outlets, 50-amp transfer switch
Chosen by 1251 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 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
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog for Electric Vehicle Backup (DF680iX)
WEN 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
DuroMax XP12000HX 12,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP12000HX 12,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): 12000 starting, 9500 running watts
Fuel Capacity and Runtime: 8.3-gallon tank, runtime varies
Portability: 222 lbs, foldable handle, wheels
Starting Mechanism: electric push-button start
Outlets and Connectivity: 120V sockets, 30AMP, 50AMP outlets
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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
DuroMax XP11000iH 11,000-Watt Dual Fuel Portable Digital Inverter Generator - Gas & Propane, Remote Electric Start, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP11000iH 11,000-Watt Dual Fuel Portable Digital Inverter Generator - Gas & Propane, Remote Electric Start, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): 11000 peak, 9000 running watts
Portability: 216 pounds
Starting Mechanism: Electric Start, Remote Start
Outlets and Connectivity: ATS, Parallel capable
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): Starting: 13000W, Running: 10500W
Fuel Capacity and Runtime: 0.5 Gallons
Portability: No-flat tires, 234 lbs
Starting Mechanism: Electric start
Outlets and Connectivity: 50 amp, various outlets
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
#10
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
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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.