The 8 Best Dual Fuel Generators of 2026

The Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator is a powerhouse designed for homeowners who need reliable backup power during outages. With a peak output of 12,500 watts on gasoline (11,200 on propane) and 9,500 running watts, it can handle essential appliances like refrigerators, sump pumps, and even central air conditioning.

Its dual fuel capability allows you to run on either gasoline or propane, giving you flexibility based on fuel availability. The remote electric start with included key fob makes starting the generator effortless from a distance. It's also transfer switch ready, enabling safe and code-compliant connection to your home's electrical panel.

Powered by a heavy-duty 457cc Westinghouse engine with a cast iron sleeve, this generator is built for longevity. The digital hour meter and VFT display provide real-time updates on voltage output, frequency, and lifetime hours. Multiple outlets, including a 50A RV-ready receptacle and two GFCI-protected 120V outlets, cover a wide range of devices.

At 210 pounds, this generator is not lightweight, but its wheel kit and fold-down handle make it manageable for one person to move. The 6.6-gallon fuel tank provides up to 12 hours of runtime at half load on gasoline, though runtime is slightly lower on propane. The 3-year limited warranty and nationwide service network offer peace of mind.

Overall, the Westinghouse 12500 Watt Dual Fuel Generator is an excellent choice for homeowners seeking a powerful, feature-rich backup generator. Its dual fuel flexibility, remote start, and transfer switch readiness make it a standout in its class.

The DuroMax XP13000EH is a dual fuel portable generator designed to provide reliable backup power for your entire home during outages, as well as power for RV trips and job sites. With a 500cc OHV engine, it delivers 13,000 surge watts and 10,500 running watts on gasoline or propane, making it capable of running lights, appliances, and even central air conditioning systems.

This generator is built for durability with a heavy duty all metal frame and power panel that contains no plastic parts, ensuring it can withstand severe weather and years of heavy use. The electric push button start makes it easy to get power quickly, and the front facing interface allows you to switch between fuel types in seconds. The power panel includes a 50 amp outlet that is transfer switch ready, along with two 120V GFCI protected household outlets and individual breakers for overload protection.

Key features include 100% copper windings for better heat conduction and longer generator life, a CO sensor for safety, low oil shutdown to protect the engine, and an hour meter to track maintenance intervals. The included wheel and handle kit with no flat tires makes it easier to move this 234 pound machine over various terrains.

While the DuroMax XP13000EH offers exceptional power and build quality, it does have some drawbacks. It is very heavy, making it difficult to maneuver without assistance. The runtime is only about 3 hours at full load on gasoline, so you may need to refuel frequently during extended outages. Additionally, some users noted that the generator does not come with oil, which is an extra purchase and inconvenience.

Overall, the DuroMax XP13000EH is a solid choice for homeowners, RVers, and contractors who need a powerful and durable portable generator with the flexibility of dual fuel operation. Its robust construction and safety features provide peace of mind, though its weight and runtime may be limiting factors for some users.

The Westinghouse WGen5300DFcv is a dual fuel portable generator designed for home backup and RV use. It delivers 5300 running watts on gasoline and 4800 running watts on propane, with peak output of 6500 watts. The generator features a CO sensor and automatic low oil shutdown for safety, and it runs up to 14.5 hours on a 4.7 gallon gasoline tank.

This generator is ideal for homeowners who need reliable backup power during outages or RV enthusiasts who want to power their travel trailer. It includes a TT-30R 30A RV outlet and an L14-30R 30A transfer switch ready outlet, making it easy to connect to your home or RV.

Key features include a 274cc Westinghouse engine with a cast iron sleeve for durability, a built-in fuel gauge, and a hardened steel frame with never-flat wheels for easy maneuverability. The intuitive control panel has guided yellow touchpoints for simple operation.

Build quality is solid, with a robust frame and foam-filled tires. However, at 135.6 pounds, it is heavy and may require two people for lifting. Some users report LED light flickering and UPS compatibility issues, which are common with many generators.

Overall, the Westinghouse WGen5300DFcv offers excellent value for its price, combining dual fuel versatility, safety features, and reliable performance. It is a great choice for occasional home backup or RV power needs.

The DuroStar DS13000MX is a heavy-duty dual fuel portable generator designed for whole-home backup during power outages. With 13,000 peak watts and 10,500 running watts from its 500cc OHV engine, it can power essential household items including lights, appliances, and even central air conditioning systems. This generator is ideal for homeowners, RVers, and job site workers who need reliable power during storms, emergencies, or off-grid situations.

Key features include dual fuel capability that allows you to run on gasoline for maximum power or propane for extended run times and cleaner emissions. The CO Alert system provides an important safety net by automatically shutting down the generator if dangerous carbon monoxide levels are detected. The push-button electric start and included remote control make starting and stopping effortless, while the front-facing fuel selector simplifies switching between fuel types.

Build quality is robust with an all-metal construction featuring a durable steel frame and reinforced power panel that can withstand harsh weather and heavy use. The generator is transfer switch ready with a 50-amp outlet, enabling direct connection to your home's electrical panel for seamless backup power. It also includes a low oil shutdown feature to protect the engine.

At 220 pounds, the DS13000MX is very heavy and requires the included wheel and handle kit for mobility. It is also quite loud, typical of open-frame generators, so it is best used outdoors away from living areas. The 8.3-gallon fuel tank provides up to 17 hours of runtime on gasoline at 50% load, which is adequate for extended outages.

Overall, the DuroStar DS13000MX is a powerful, feature-rich generator that excels as a home backup solution. Its dual fuel flexibility, safety features, and remote start make it a top choice for those needing reliable emergency power. The weight and noise are trade-offs for its capability, but for whole-home backup, it delivers excellent performance.

The PowerSmart MB5040DC is a versatile dual fuel inverter generator designed to provide reliable power for home backup, camping, and RV use. With a 223cc OHV 4-stroke engine, it delivers 4400W surge and 3600W rated watts on gasoline, or 4000W surge and 3300W rated watts on propane. This flexibility lets you choose between maximum output with gasoline or cleaner, longer-lasting operation with propane.

This generator is ideal for homeowners needing emergency power during outages, campers who want quiet electricity at the campsite, and RV owners looking for a portable 30A-ready solution. Its quiet 76 dB operation from 23 feet means it won't disturb neighbors or wildlife, making it a great choice for residential areas and campgrounds alike.

Standout features include a carbon monoxide (CO) sensor that automatically shuts down the unit if dangerous levels build up, plus low-oil shutoff and overload protection for peace of mind. The generator is also parallel ready, allowing you to connect two units for doubled power output. The reinforced recoil start is built for repeated use, though it requires a smooth pull to avoid damage.

Build quality is solid for the price point, with a steel frame and plastic body keeping weight down to 62 lbs. The compact dimensions (16.9 x 16.5 x 19.3 inches) make it easy to store and transport. However, the plastic components may not be as durable as all-metal alternatives, and the lack of an electric start could be a drawback for some users.

Overall, the PowerSmart MB5040DC offers excellent value for those needing a quiet, dual fuel generator with essential safety features. It's best suited for moderate power needs like running a refrigerator, lights, and a sump pump during an outage, or for powering essentials at a campsite. While it has minor limitations, its combination of features and price make it a strong contender in the portable generator market.

The Westinghouse iGen12000DFc is a dual fuel inverter generator designed for whole-home backup power. With 12,000 peak watts on gasoline and 11,000 on propane, it can handle essential appliances like refrigerators, air conditioners, and sump pumps. Its inverter technology delivers clean power with less than 3% total harmonic distortion, making it safe for sensitive electronics such as computers and TVs.

This generator is ideal for homeowners seeking reliable backup during outages, RV enthusiasts needing portable power, or job sites requiring a robust power source. The remote electric start with key fob adds convenience, while the large 7.9-gallon fuel tank provides up to 19 hours of runtime at 25% load. The built-in CO sensor automatically shuts off the engine if dangerous carbon monoxide levels are detected, enhancing safety.

Build quality is solid with a heavy-duty 457cc Westinghouse engine featuring a cast iron sleeve for durability. The fully enclosed design and insulation keep noise as low as 64 dBA, making it neighborhood-friendly. The LED data center displays fuel level, power output, and maintenance reminders, taking the guesswork out of operation. Heavy-duty never-flat wheels and a foldable handle aid portability, though at 187.4 pounds, moving it up stairs or over rough terrain may require assistance.

Drawbacks include the lack of USB ports for charging small devices directly, and the propane peak wattage is lower than gasoline, which may limit some high-demand appliances when using propane. Additionally, the initial price point is higher than some traditional generators, but the inverter technology offers better fuel efficiency and quieter operation over time.

Overall, the Westinghouse iGen12000DFc is a powerful, feature-rich inverter generator that excels in home backup scenarios. Its dual fuel capability, low THD, and remote start make it a top choice for those prioritizing convenience and clean power. If you need reliable whole-home backup with minimal noise and emissions, this generator is worth the investment.

The WEN DF475T is a dual fuel portable generator designed for homeowners and contractors who need reliable backup power. With the ability to run on either gasoline or propane, it offers flexibility during emergencies or on job sites where fuel availability may vary.

Standout features include an electric start with a key ignition, making startup simple even in stressful situations. The 224cc 4-stroke OHV engine delivers 4750 surge watts and 3800 running watts on gasoline, and 4350 surge watts with 3500 running watts on propane. The voltage selector allows switching between 120V and 240V, making it compatible with transfer switches for whole-home backup.

Design and build quality are solid for the price point. The included wheel kit and handle improve portability, though at 105.8 lbs it is still heavy and requires some effort to move. The 4-gallon fuel tank provides up to 11 hours of runtime at half load, which is sufficient for overnight use.

Drawbacks include a lower output when running on propane, and the lack of remote start or Bluetooth monitoring. Some users report that the generator is louder than premium models, but it remains acceptable for occasional use.

Overall, the WEN DF475T is a great value for those needing a dual fuel generator with electric start and 240V output. It is ideal for emergency backup, camping, or job sites where portability and fuel flexibility are priorities.

The WEN DF360iX is a 3600-watt dual fuel inverter generator designed for RV owners, campers, tailgaters, and anyone needing backup power. It runs on either gasoline or propane, giving you flexibility and extended runtime. With a quiet 65 dB noise level, it won't disturb your campsite or neighborhood.

This generator produces clean pure sine wave power with total harmonic distortion under 0.3% at no load, making it safe for sensitive electronics like laptops, phones, and tablets. The lightweight 49-pound design with a built-in handle makes it easy to move around. The included CO Watchdog automatically shuts off the generator if dangerous carbon monoxide levels are detected, adding a crucial safety layer.

The fuel shutoff feature lets the carburetor run dry before shutdown, preventing fuel gumming and extending engine life. The panel offers two 120V NEMA 5-20R outlets, one TT-30R RV outlet, a 12V DC receptacle, and two USB ports. Eco-mode adjusts engine speed to save fuel during light loads.

On the downside, the running wattage is moderate at 2900W on gasoline and 2600W on propane, which may not power larger appliances simultaneously. Some users note the RV outlet placement can be awkward when plugging in. During initial break-in, a few owners experienced issues with the fuel cap venting, but this is typically resolved by loosening the cap.

Overall, the WEN DF360iX offers excellent value for a dual fuel inverter generator with safety features and quiet operation. It's ideal for RV trips, camping, and home backup where portability and clean power are priorities.