10 Best Dual Fuel Generator 2026 in the United States
#1
Winner
DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
The DuroMax XP15000HX is a powerful dual-fuel generator delivering up to 15,000 starting watts and 12,000 running watts, making it suitable for whole home backup during outages. It runs on gasoline or propane, giving you flexibility and access to cleaner, longer-lasting fuel with propane. The 13.2-gallon gas tank supports extended runtime, and switching fuels is easy through a front-facing control. It features a remote electric start, which is convenient compared to manual pull-starts, and a digital display shows useful info like voltage and maintenance hours. Safety is improved with a CO sensor that shuts the unit down to prevent carbon monoxide risks.
Rating
10.0
Chosen by1,311
Power Output (Wattage)
Noise Level
Fuel Capacity and Runtime
Most important from
60 reviews
#2
Westinghouse 12000 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
10.0
Power Output (Wattage
Fuel Capacity and Runtime
Portability
Most important from
678 reviews
#3
Generac 5,200-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Clean, Stable Power - CA Compliant - Great for Home Backup, Camping, and RV Use
The Generac iQ5200 is a solid choice if you need a dependable portable generator that runs on both gasoline and propane, giving you flexibility depending on what's available. It produces a strong starting wattage of 5,200 watts and running wattage of 3,900 watts, suitable for powering essential home appliances, camping gear, or RV setups. Its 0.6-gallon fuel tank provides around 13 hours of runtime, which is decent for extended use but might require refueling for longer outages.
Rating
8.2
Starting Mechanism
Most important from
21 reviews
Top 10 Best Dual Fuel Generator 2026 in the United States
#1
Winner
DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): 15000 starting, 12000 running watts
Fuel Capacity and Runtime: 13.2-gallon gas tank
Portability: Wheels, handles, 345 pounds
Starting Mechanism: Remote electric start
Outlets and Connectivity: 10 outlets, GFCI plugs, 50 amp
Chosen by 1311 this week
Westinghouse 12000 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 12000 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
Generac 5,200-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Clean, Stable Power - CA Compliant - Great for Home Backup, Camping, and RV Use
Generac 5,200-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Clean, Stable Power - CA Compliant - Great for Home Backup, Camping, and RV Use
Power Output (Wattage): 5200W starting, 3900W running
Fuel Capacity and Runtime: 0.6 gallons, 13 hours runtime
Portability: 107 lbs, built-in handles
Starting Mechanism: electric start
Outlets and Connectivity: 2 AC outlets, USB port
Westinghouse Outdoor Power Equipment 14500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse Outdoor Power Equipment 14500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Power Output (Wattage): 14500W gas, 13500W propane
Fuel Capacity and Runtime: 9.5 gal; 19h gas, 7h propane
Portability: 230 pounds
Starting Mechanism: Electric start, remote key fob
Outlets and Connectivity: Two 240V power outlets
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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Generac 3,800-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Clean, Stable Power - Great for Home Backup, Camping, and RV Use
Generac 3,800-Watt Dual-Fuel Portable Inverter Generator - Gas and Propane Compatible - Quiet Operation - Clean, Stable Power - Great for Home Backup, Camping, and RV Use
Power Output (Wattage): 3000 running, 3800 starting watts
Fuel Capacity and Runtime: 3.2 gallons
Portability: 107 pounds
Starting Mechanism: electric start
Outlets and Connectivity: multiple AC, two USB ports
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 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator, Remote Electric Start, Gas & Propane Powered, RV Ready 30A Outlet, Parallel Capable, Blue/Black
Westinghouse 5000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator, Remote Electric Start, Gas & Propane Powered, RV Ready 30A Outlet, Parallel Capable, Blue/Black
Power Output (Wattage): 5000 watts
Fuel Capacity and Runtime: 3.4 gallons, 18 hours
Portability: Telescoping handle, 104.7 pounds
Noise Level: 52 dBA
Starting Mechanism: Remote electric, electric, recoil start
Outlets and Connectivity: 120V, RV-ready 30 Amp, two USB
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
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
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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.