The 8 Best Dual Fuel Generators of 2026

The Westinghouse WGen10500DFc is a robust dual fuel portable generator designed to provide reliable backup power for your home, RV, or job site. With a peak output of 13,500 watts on gasoline and 12,500 on propane, it can handle essential appliances like air conditioners, refrigerators, and sump pumps simultaneously. The generator is powered by a heavy-duty 500cc 4-stroke OHV engine with a cast iron sleeve, ensuring durability and long life.

Setup is straightforward, with most users reporting assembly in about 15 minutes. The control panel is clearly labeled and includes a remote start key fob for convenient operation from a distance. The unit also features a CO sensor and automatic low oil shutdown for added safety. With a 9.5-gallon fuel tank, it can run up to 19 hours on gasoline, giving you peace of mind during extended outages.

Build quality is excellent, with a sturdy metal frame and never-flat wheels that make it relatively easy to move on flat surfaces. However, at 230 pounds, it is heavy and may require two people or a ramp for loading into a vehicle. Some users have reported receiving a free upgrade to the tri-fuel model, which adds natural gas capability, but this is not guaranteed.

Overall, the WGen10500DFc offers exceptional value for homeowners seeking a powerful and reliable backup generator. Its dual fuel flexibility, remote start, and solid construction make it a top choice in its class. While it is heavy and may require frequent refueling during long outages, these are minor trade-offs for the power and peace of mind it provides.

The Westinghouse iGen12000DFc is a dual fuel inverter generator that delivers up to 12,000 peak watts (9,000 running watts) on gasoline and 11,000 peak watts (8,100 running watts) on propane. It is designed for homeowners who need reliable whole-house backup power during outages, as well as for RV users and job sites where clean, quiet power is essential.

One of its standout features is the less than 3% total harmonic distortion (THD), which makes it safe for sensitive electronics like computers, TVs, and medical equipment. The remote electric start with key fob adds convenience, allowing you to start the generator from a distance. The 457cc Westinghouse engine runs quietly at just 64 dBA in Eco Mode, making it neighborhood friendly.

The generator is transfer switch ready with a 50A 14-50R outlet and a 30A L14-30R twist lock outlet, so you can connect it directly to your home's electrical panel. It also includes a GFCI 20A duplex outlet and is parallel capable for doubling output. The large 7.9 gallon fuel tank provides up to 19 hours of runtime at 25% load, and the digital display shows fuel level, power output, and remaining run time.

Build quality is solid with a fully enclosed design, heavy duty never-flat wheels, and a foldable handle for portability. However, at 187 pounds, it is quite heavy and may require two people to move up stairs or over rough terrain. The price is also higher than conventional generators, but the inverter technology and dual fuel capability justify the cost for those who need clean power.

Overall, the Westinghouse iGen12000DFc is an excellent choice for homeowners who want a powerful, quiet, and safe backup power solution. It combines the benefits of an inverter with the power of a traditional generator, making it a top pick for whole-house backup.

The DuroMax XP13000EH is a powerful dual fuel portable generator designed for whole home backup, RV trips, and job sites. With a 500cc OHV engine, it delivers 10,500 running watts and can surge up to 13,000 watts, enough to power lights, appliances, and even central air conditioning. Its dual fuel capability allows you to run on gasoline or propane, providing flexibility during emergencies.

This generator is built to last with a heavy-duty all-metal frame and power panel, no plastic parts. The 100% copper windings improve heat dissipation and longevity. The front facing interface lets you switch fuel types in seconds, and the electric push button start makes operation effortless. It also includes a CO sensor and low oil shutdown for safety.

Users appreciate its reliability and sturdy build, though some note the unit is heavy at 234 pounds. The included wheel and handle kit helps with mobility, but it is still a substantial piece of equipment. Setup is straightforward, but the generator does not come with oil, so you need to purchase that separately. A few users mention the choke label and instructions are reversed, but this is easily corrected.

Overall, the DuroMax XP13000EH is a solid choice for anyone needing dependable backup power. Its dual fuel flexibility, high output, and durable construction make it a great value for homeowners, RVers, and contractors.

The Westinghouse WGen5300DFcv is a dual fuel portable generator designed for home backup and RV use. With a 274cc engine producing 5,300 running watts on gasoline and 4,800 on propane, it can power essential appliances like refrigerators, sump pumps, and small air conditioners during outages. The generator features a CO sensor and automatic low oil shutdown for added safety, and its transfer switch ready L14-30R outlet allows direct connection to your home's electrical panel.

This generator is ideal for homeowners seeking reliable backup power without the complexity of a whole-house standby system. It's also well-suited for RVers who need to run air conditioning and other amenities while camping. The included wheel kit and never-flat tires make it easy to maneuver, though at 135.6 lbs it's still quite heavy.

Key features include a 4.7 gallon fuel tank providing up to 14.5 hours of runtime, a built-in fuel gauge, and multiple outlets including a TT-30R RV receptacle and a 5-20R household duplex. The control panel uses yellow touchpoints for intuitive operation. Users praise its easy startup (often first pull), quiet operation compared to older models, and solid build quality.

Potential drawbacks include lower power output on propane (4,800 vs 5,300 watts), and some users report LED light flicker which is common with many generators. The weight may be a concern for those with limited mobility. However, the 3-year warranty and lifetime technical support provide peace of mind.

Overall, the Westinghouse WGen5300DFcv offers excellent value for a dual fuel generator in its class. It's a reliable choice for moderate home backup and RV power needs, with safety features and convenience that justify its strong customer ratings.

The DuroStar DS13000MX is a heavy-duty portable generator designed for whole-home backup during power outages. With 13,000 peak watts and 10,500 running watts, it can handle essential household appliances, lights, and even a central air conditioning system. Its dual fuel capability allows you to run on gasoline or propane, giving you flexibility in fuel availability and longer run times on propane.

This generator is ideal for homeowners, RV enthusiasts, and anyone needing reliable emergency power. The push-button electric start makes it easy to get up and running, while the CO Alert safety system provides peace of mind by automatically shutting down the generator if dangerous carbon monoxide levels are detected. The intuitive control panel includes a fuel selector for quick switching between fuel types.

Build quality is robust, with an all-metal frame and reinforced power panel that can withstand harsh weather and heavy use. The generator is transfer switch ready, featuring a 50-amp outlet for direct connection to your home's electrical panel. Users report that it powers entire homes with ease, though some note a brief struggle when the central AC kicks in.

At 220 pounds, the DS13000MX is heavy, but the included wheel and handle kit makes it manageable to move around. Assembly is straightforward, and the generator comes with a tool set, oil funnel, spark plug wrench, propane regulator, and remote control. The 3-year limited factory warranty adds to its value.

Overall, the DuroStar DS13000MX is a powerful and reliable generator that offers excellent value for whole-home backup. Its dual fuel flexibility, safety features, and ease of use make it a top choice for those preparing for storms or living in areas prone to outages.

The PowerSmart MB5040DC is a dual fuel inverter generator that offers the flexibility of running on either gasoline or propane. With a 223cc OHV 4-stroke engine, it delivers 4400W surge and 3600W rated power on gas, and 4000W surge / 3300W rated on propane. This makes it suitable for powering essential home appliances during outages, as well as for camping and RV trips.

One of the standout features is its quiet operation at just 76 dB from 23 feet, which is significantly quieter than traditional generators. This makes it ideal for use in residential neighborhoods, campgrounds, and RV parks without disturbing others. The generator also includes a carbon monoxide (CO) detection system that automatically shuts down the unit if dangerous levels build up, along with low-oil shutoff and overload protection for added safety.

The 1.6-gallon fuel tank provides up to 11 hours of runtime at 25% load, which is enough to power lights, phone charging, and small appliances overnight. At 50% load, you can expect about 5.1 hours, enough for a fridge, freezer, or sump pump. The economy mode helps extend runtime when loads are light. The generator is also parallel ready, allowing you to connect a second compatible unit for double the power output.

Weighing 62 pounds and measuring 16.9 x 16.5 x 19.3 inches, the PowerSmart MB5040DC is relatively compact and portable for its class. The reinforced recoil start is durable, though it lacks an electric start option. The build quality is solid with a steel frame and plastic panels, and the 2-year warranty provides peace of mind.

Overall, the PowerSmart MB5040DC is a reliable and versatile dual fuel inverter generator that excels in quietness, safety, and fuel flexibility. It's a great choice for homeowners, campers, and RVers who need a portable power source that won't disturb the peace.

The Westinghouse WGen9500DF is a powerful dual fuel portable generator designed for home backup, RV travel, and job site power. It produces 12,500 peak watts and 9,500 running watts on gasoline, and 11,200 peak watts with 8,500 running watts on propane, offering flexibility depending on fuel availability.

This generator is ideal for homeowners who need reliable emergency power during outages, as well as RV enthusiasts and contractors who require portable power away from the grid. The remote start key fob, electric start, and recoil start provide multiple ways to get it running effortlessly.

Key features include a durable 457cc Westinghouse engine with a cast iron sleeve for longevity, a 6.6-gallon fuel tank providing up to 12 hours of runtime, and a VFT data center that displays voltage, frequency, and lifetime hours. The control panel includes GFCI outlets, a transfer switch ready L14-30R receptacle, and an RV ready 14-50R outlet.

Build quality is solid with a metal frame and rubber feet, though the generator weighs 210 pounds, making it heavy to move despite the included never-flat wheels and handle. It lacks a CO detection sensor, which is a safety consideration for indoor or enclosed use. Propane output is lower than gasoline, but the dual fuel option is a valuable convenience.

Overall, the Westinghouse WGen9500DF offers excellent power output, dual fuel flexibility, and user-friendly features at a competitive price. It is backed by a 3-year limited warranty and lifetime technical support, making it a trustworthy choice for those needing a robust portable generator.

The WEN DF680iX is a 6800-watt dual fuel inverter generator that brings together power, portability, and clean electricity in a single rugged package. Designed for RV owners, campers, and homeowners needing backup power, it can run on either gasoline or propane, giving you flexibility in fuel choice. With 6800 surge watts and 5100 rated watts on gasoline, or 6000 surge and 4500 rated watts on propane, it handles multiple appliances and sensitive electronics with ease.

One of its standout features is the pure sine wave inverter technology, which limits total harmonic distortion to under 0.3% at no load and under 1.2% at full load. This makes it safe to run laptops, phones, monitors, and other sensitive devices without risk of damage. The generator also includes a bonded-neutral 240V configuration that allows low-power Level 2 charging for battery and hybrid electric vehicles, a rare and valuable feature for off-grid EV owners.

The 224cc engine operates quietly at just 64 decibels at quarter load, making it unobtrusive in campgrounds or neighborhoods. The electric start is keyless and responsive, with a recoil starter as backup. The WEN Watchdog CO Shutdown Sensor automatically turns off the generator if dangerous carbon monoxide levels are detected, adding an important safety layer. The fuel shutoff feature helps prevent carburetor buildup by burning off remaining fuel before shutdown, extending the unit's lifespan.

Portability is aided by built-in wheels and a telescoping handle, though the generator weighs 99.2 pounds. The control panel offers a wide range of outlets: one L14-30R 120V/240V receptacle, two NEMA 5-20R 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, and two 5V USB ports. The eco-mode switch optimizes fuel consumption by adjusting engine speed based on load, and the 2.9-gallon tank provides up to 6.1 hours of half-load runtime on gasoline (or 9 hours on a 20-pound propane tank).

While the DF680iX is powerful and versatile, it is heavy and can become loud under heavy load. Some users note that the propane adapter is designed for tank connection rather than RV quick-connect systems, which may require an additional adapter. Overall, this generator offers excellent value for those needing reliable, clean power for RV living, camping, or home backup, especially if you want the option to charge an electric vehicle. Backed by a 3-year warranty and WEN's customer support, it's a solid investment for off-grid and emergency power needs.