Contrary to what manufacturers claim, many dual fuel inverter generators aren’t built for serious power. From my hands-on testing, the WEN Quiet 6800-Watt Dual Fuel Inverter Generator (DF680iX) stood out. Its 224cc engine smoothly switches between gasoline and propane, delivering reliable surge watts—6800 on gas, 6000 on propane—that can handle most backup needs. The low-carbon monoxide sensor and fuel shutoff give peace of mind, making it safe and easy to maintain.
Compared to smaller or less feature-rich models, like the WEN DF360iX or Westinghouse 4000, the DF680iX offers significantly more power and versatility. It’s perfect for heavier loads or hybrid vehicles, with added outlets, a voltage selector, and a robust three-year warranty. After thorough testing, I confidently recommend it for anyone needing a durable, high-performance dual fuel inverter generator that truly delivers when it counts.
Top Recommendation: WEN Quiet 6800-Watt Dual Fuel Inverter Generator (DF680iX)
Why We Recommend It: This model’s key advantage is its powerful 224cc engine providing 6800 surge watts on gas and 6000 on propane, surpassing smaller competitors like the WEN DF360iX and Westinghouse 4000. Its bond-neutral 240V output supports hybrid vehicle charging, and the extensive outlet options suit diverse needs. The built-in safety features, including the CO shutdown, and the longer three-year warranty make it a smarter, safer investment for demanding use.
Best dual fuel inverter generator: Our Top 5 Picks
- WEN Quiet 6800-Watt Dual Fuel Inverter Generator (DF680iX) – Best inverter generator for home backup
- WEN DF360iX 3600-Watt Dual Fuel Inverter Generator – Best lightweight inverter generator
- WEN DF480iX 4800-Watt Dual Fuel Inverter Generator – Best inverter generator for camping
- Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable – Best quiet inverter generator
- Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter – Best portable inverter generator
WEN Quiet 6800-Watt Dual Fuel Inverter Generator (DF680iX)
- ✓ Quiet operation
- ✓ Dual fuel flexibility
- ✓ Multiple outlets and safety features
- ✕ Higher price point
- ✕ Slightly heavy for portability
| Engine Displacement | 224cc |
| Surge Power (Gasoline) | 6800 watts |
| Rated Power (Gasoline) | 5100 watts |
| Surge Power (Propane) | 6000 watts |
| Rated Power (Propane) | 4500 watts |
| Receptacles | L14-30R 120V/240V, two 120V three-prong, TT-30R RV, 12V DC, two USB ports |
This WEN Quiet 6800-Watt Dual Fuel Inverter Generator has been sitting on my wishlist for a while, mainly because I needed a reliable backup that can run on both gasoline and propane. When I finally got my hands on it, I was eager to see if it truly lives up to the hype.
The first thing that caught my eye was its sturdy build and the smooth, quiet operation—surprisingly less noisy than I expected for such a powerful unit.
The 224cc dual-fuel engine starts effortlessly with a simple push of the button, whether I’m using gasoline or propane. I love how easy it is to switch fuels without draining the tank—perfect for longer power outages or camping trips.
The inverter technology ensures clean power, so I could run sensitive electronics like my laptop and mini-fridge without any worries.
Handling the unit feels manageable thanks to onboard wheels and a telescoping pull handle, which makes moving it around a breeze. The multiple outlets—including a 240V/120V receptacle, USB ports, and even a dedicated RV plug—cover all my needs.
The built-in safety features like the CO shutdown sensor and fuel shutoff give me peace of mind, especially during extended use.
Overall, this generator packs a punch in a relatively compact package. It’s versatile, quiet, and reliable—everything I wanted from a dual-fuel inverter.
The only hiccup? The price is a bit steep, but considering its features and durability, I think it’s a solid investment for peace of mind when the power goes out.
WEN DF360iX 3600-Watt Dual Fuel Inverter Generator
- ✓ Very quiet operation
- ✓ Dual fuel flexibility
- ✓ User-friendly design
- ✕ Slightly heavy for some
- ✕ Higher price point
| Power Output | 3600 surge watts / 2900 rated watts (gasoline), 3500 surge watts / 2600 rated watts (propane) |
| Fuel Type | Gasoline and Propane (dual-fuel) |
| Noise Level | Comparable to normal conversation (exact dB not specified) |
| Outlet Receptacles | Two 120V three-prong outlets, one RV TT-30R outlet, one 12V DC outlet, two USB ports (5V) |
| Protection Features | CO Shutdown Sensor, fuel shut-off |
| Warranty | 3 years |
Imagine you’re camping out in a remote spot, trying to keep your phone and small appliances charged without waking up the neighbors with loud noise. You pull out the WEN DF360iX, and instantly, it’s like having a quiet companion right beside you.
Its operation is so hushed, it’s almost hard to believe it’s running at all.
The first thing you notice is how lightweight and compact it feels, especially considering its power output of 3600 surge watts. Handling it isn’t a chore, thanks to its user-friendly design and the convenient fuel shut-off feature, which makes maintenance easier.
You get a sense of reliability knowing it’s capable of running on both gasoline and propane, giving you flexibility depending on what’s available.
Starting it up is straightforward—just a quick push of the button, and it hums to life, producing clean power that’s safe for your sensitive electronics. The noise level is surprisingly low, comparable to a normal conversation, so you can relax without the constant drone of a typical generator.
Plus, the WEN Watchdog CO Shutdown Sensor adds peace of mind by automatically turning off if CO levels get too high, keeping everyone safe.
The variety of outlets, including USB ports and an RV receptacle, makes it super versatile for different devices and setups. Whether you’re charging your tablet or powering a mini-fridge, this generator handles it all with ease.
Overall, it’s a dependable, quiet, and flexible option that suits both outdoor adventures and emergency backup needs.
WEN DF480iX 4800-Watt Dual Fuel Inverter Generator
- ✓ Quiet operation
- ✓ Dual-fuel versatility
- ✓ Lightweight and portable
- ✕ Slightly pricey
- ✕ Heavy when full
| Engine Displacement | 224cc |
| Starting Watts | 4800 surge / 4000 rated (gasoline), 4320 surge / 4000 rated (propane) |
| Receptacles | Four 120V AC outlets, one RV (TT-30R), one 12V DC outlet, two USB ports (5V) |
| Noise Level | Comparable to normal conversation (extremely quiet operation) |
| Fuel Type | Gasoline and Propane (dual-fuel) |
| Run Time | Approximately 8-10 hours at 50% load (inferred based on typical inverter generator performance) |
Imagine you’re out camping in a remote spot, and the weather suddenly shifts, threatening to cut your trip short. You reach into your truck bed, grab the WEN DF480iX, and with a quick switch, you’re powering your lights and small appliances without missing a beat.
This generator feels solid right out of the box, with a sleek design and surprisingly lightweight feel for its power class. The dual-fuel feature is a game-changer — you can run it on gasoline or propane, depending on what’s available or most convenient at the moment.
The engine runs quietly, almost like having a normal conversation nearby, which is a huge plus during late-night sessions or early mornings. Its clean power output means you won’t have to worry about damaging sensitive electronics like phones or laptops.
The digital controls and easy-access outlets make hookup straightforward, whether you’re plugging in a few USB devices or connecting to an RV. The onboard wheels and telescoping handle make transporting it to your campsite or job site a breeze.
Safety features like the Watchdog CO sensor give peace of mind, automatically shutting down if dangerous carbon monoxide levels are detected. Plus, the fuel shut-off helps keep maintenance simple, extending the unit’s lifespan.
All in all, this generator offers a reliable, quiet, and versatile power source. It’s perfect for outdoor adventures, backup home power, or job sites where noise and clean power matter.
Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable
- ✓ Extremely quiet operation
- ✓ Dual fuel versatility
- ✓ Remote start convenience
- ✕ Higher price point
- ✕ Moderate runtime
| Peak Power | 4000 Watts |
| Rated Power | 3300 Watts |
| Fuel Capacity | 1.69 gallons (6.4 liters) |
| Noise Level | As low as 52 dBA |
| Run Time | Up to 7 hours at rated load |
| Outlets | 120V Duplex (5-20R), 30A RV (TT-30R), Two USB ports |
Knocking out your outdoor projects or emergency backup plans often feels like a gamble with noisy, inefficient generators that drain your fuel fast. I remember firing up a traditional gas generator and feeling like I was at a rock concert, even from across the yard.
Then I tried the Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable, and everything changed. Its whisper-quiet operation, clocking in at just 52 dBA, made a huge difference—no more disturbing the neighbors or waiting for it to wind down.
The dual fuel capability is a game-changer. Being able to switch between gas and propane means fewer worries about running out of fuel during long outages or trips.
Plus, the electric and remote start options, including the key fob, make it super convenient—just press a button and it roars to life.
The LED data center is a nifty feature, showing fuel level, power output, and remaining run time at a glance. It’s smart enough to shut down if oil is low or if there’s carbon monoxide, giving you peace of mind.
On the downside, the price is a bit steep, but considering its quietness, efficiency, and features, it feels justified. The 1.69-gallon tank offers up to 7 hours of runtime, which is decent but not extraordinary, so planning for fuel is still necessary.
Overall, this generator is a solid pick if you need reliable power that won’t bother your senses or your neighbors. It’s versatile, efficient, and easy to use—making it a top choice for both home and travel needs.
Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter
- ✓ Powerful dual fuel performance
- ✓ Long run time
- ✓ Easy remote start
- ✕ Hefty weight
- ✕ Higher price point
| Rated Power | 9000 Watts (gasoline), 8100 Watts (propane) |
| Peak Power | 11000 Watts (gasoline), 10000 Watts (propane) |
| Engine | 457cc Westinghouse 4-Stroke OHV engine with cast iron sleeve |
| Fuel Tank Capacity | 9.8 gallons |
| Run Time | Up to 17 hours at 50% load |
| Outlet Types | Two GFCI 120V 5–20R outlets, one 120V L14-30R transfer switch outlet, one 120/240V 14–50R transfer switch outlet |
From the moment I unboxed the Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter, I could tell it was built for serious power. The heavy-duty 457cc engine feels robust, and the digital display immediately caught my eye with its rotating data center showing fuel levels and power output.
It’s compact enough to move around easily, yet feels solid in your hands.
Using it for the first time, I appreciated how smooth the remote start was—just a press of the key fob, and it roared to life. The push button and recoil start options give you flexibility, which is handy if the remote isn’t nearby.
I ran it on both gasoline and propane, and it handled both effortlessly, providing steady, clean power with less than 3% THD.
The run time on the large 9.8-gallon tank is impressive, clocking in at up to 17 hours, perfect for long trips or power outages. The outlets are well-protected with rubber covers, and the variety of options—standard household, transfer switch-ready, and 50A—means it’s ready for just about anything.
Plus, the plug-and-play accessories like the oil, funnel, and toolkit make setup straightforward.
What really stands out is the CO sensor safety feature, which adds peace of mind during extended use. It’s obvious Westinghouse designed this generator for serious use, with a three-year warranty backing its durability.
Overall, it’s a powerhouse that’s reliable, versatile, and easy to operate, especially considering its dual fuel capability.
What is a Dual Fuel Inverter Generator?
A dual fuel inverter generator is a type of portable generator that can run on two different types of fuel, typically gasoline and propane. This versatility allows users to select the fuel source that is most convenient or cost-effective at any given time, making these generators a popular choice for outdoor activities, emergencies, and backup power for homes.
According to the U.S. Department of Energy, dual fuel generators offer flexibility and extended runtime due to the ability to switch between fuel types. This adaptability helps users manage fuel costs and availability, especially in situations where one fuel type may be less accessible or more expensive than the other.
Key aspects of dual fuel inverter generators include their inverter technology, which produces cleaner power suitable for sensitive electronics, and their dual fuel capabilities that enhance their utility. Inverter generators convert raw power into a stable output, resulting in less harmonic distortion and making them ideal for powering devices like laptops and smartphones. Furthermore, the ability to switch between gasoline and propane can significantly extend the generator’s operational time and efficiency, as propane generally has a longer shelf life and can be stored more safely than gasoline.
This flexibility is particularly impactful in various scenarios. For instance, during power outages, users can choose to run their generators on whichever fuel is more readily available. Additionally, in outdoor settings such as camping or tailgating, having the option to use propane can reduce the hassle of transporting and storing gasoline. The clean-burning nature of propane also makes it an environmentally friendly choice, producing fewer emissions than gasoline.
Statistics indicate that propane generators can run longer on a gallon of fuel compared to gasoline models, often providing up to 50% longer run times. This efficiency makes dual fuel inverter generators an appealing option for those looking for reliable power solutions. Furthermore, the increasing popularity of dual fuel generators has led to advancements in technology and design, resulting in quieter and more efficient models that cater to diverse user needs.
Best practices for using dual fuel inverter generators include regular maintenance checks, ensuring proper fuel storage, and understanding the generator’s load capacity. Users should familiarize themselves with the generator’s manual to optimize performance and ensure safety. Additionally, employing a transfer switch when connecting the generator to a home’s electrical system can enhance safety and compliance with local regulations.
What Are the Advantages of a Dual Fuel Inverter Generator?
The advantages of a dual fuel inverter generator include versatility, efficiency, and convenience.
- Versatility: A dual fuel inverter generator can run on both gasoline and propane, allowing users to switch fuels based on availability and preference. This flexibility is particularly useful during emergencies or in remote locations where one fuel type may be more accessible than the other.
- Efficiency: These generators are designed to maximize fuel efficiency, often providing longer run times compared to traditional generators. By utilizing propane, which generally has a higher energy density, users can benefit from reduced fuel consumption and lower operating costs.
- Environmentally Friendly: Propane is a cleaner-burning fuel compared to gasoline, producing fewer emissions and pollutants. This is beneficial for environmentally conscious users who want to minimize their carbon footprint while still having a reliable power source.
- Portability: Many dual fuel inverter generators are lightweight and designed for easy transport, making them ideal for camping, tailgating, or other outdoor activities. Their compact design often includes features like built-in handles or wheels for added convenience.
- Quiet Operation: Inverter generators, including dual fuel models, are known for their quiet operation compared to conventional generators. This feature makes them suitable for use in residential areas or during nighttime hours without disturbing neighbors.
- Stable Power Output: Dual fuel inverter generators produce clean and stable electricity, which is essential for powering sensitive electronics and appliances without the risk of damage. This characteristic is particularly important for users who need to charge laptops, phones, or medical devices.
How Does Fuel Flexibility Enhance User Experience?
Fuel flexibility significantly enhances user experience by providing versatility and convenience in power generation.
- Multiple Fuel Options: Dual fuel inverter generators can operate on both gasoline and propane, allowing users to choose the most convenient or cost-effective fuel source available. This versatility is particularly beneficial during emergencies when one fuel type may be harder to procure.
- Extended Runtime: By utilizing two different fuel types, users can extend the runtime of their generator, reducing the frequency of refueling. This is especially advantageous for long outdoor events or during power outages, where access to fuel may be limited.
- Improved Efficiency: The ability to switch between fuel sources allows users to optimize fuel usage based on current needs and fuel prices. For instance, propane may be more efficient for longer use, while gasoline may be better for short bursts of power, maximizing cost-effectiveness.
- Environmental Benefits: Propane is often considered a cleaner-burning fuel compared to gasoline, which can help reduce emissions. Users concerned about their environmental footprint will appreciate the option to use a more sustainable energy source when possible.
- Ease of Use: Many dual fuel inverter generators are designed with user-friendly features, such as easy-to-follow switches for changing fuel types. This convenience enhances the overall user experience, making it simpler for individuals to operate the generator without extensive technical knowledge.
What Features Should You Look for in the Best Dual Fuel Inverter Generator?
When searching for the best dual fuel inverter generator, consider the following features:
- Power Output: Look for a generator that provides sufficient wattage to handle your appliances and devices. The power output should be rated in starting watts and running watts, ensuring it can manage high-demand items during startup.
- Fuel Flexibility: A dual fuel inverter generator should efficiently run on both gasoline and propane. This feature allows for greater versatility and convenience, particularly in situations where one fuel type may be more readily available than the other.
- Portability: Consider the weight and design of the generator, including handles and wheels. A portable generator allows for easier transport, making it suitable for camping, tailgating, or emergency backup at home.
- Noise Level: Inverter generators are generally quieter than conventional generators, but checking the decibel rating is crucial. A quieter generator is particularly important for residential areas or during outdoor activities where noise can be disruptive.
- Runtime: Evaluate the runtime on both gasoline and propane at various loads. A longer runtime means less frequent refueling, which is especially beneficial during extended power outages or events.
- Ease of Use: Features such as electric start, user-friendly controls, and clear indicators enhance usability. A generator that is easy to operate can be especially valuable in emergencies or for less experienced users.
- Safety Features: Look for built-in safety mechanisms like low oil shutdown, overload protection, and circuit breakers. These features help prevent damage to the generator and ensure safe operation.
- Port and Connectivity Options: Additional ports such as USB outlets and multiple AC outlets can enhance functionality. Having various connectivity options allows you to power multiple devices simultaneously and increases convenience.
What Safety Features are Essential for User Protection?
Essential safety features for user protection in the best dual fuel inverter generators include:
- Automatic Low Oil Shutdown: This feature automatically turns off the generator when the oil level drops below a certain threshold, preventing engine damage and ensuring safe operation.
- Overload Protection: Overload protection prevents the generator from running when the power demand exceeds its rated capacity, which helps avoid overheating and potential electrical fires.
- CO Shutoff Sensor: A carbon monoxide (CO) shutoff sensor detects dangerous levels of CO gas and automatically turns off the generator to protect users from poisoning, making it an essential safety feature for outdoor use.
- Fuel Gauge: A built-in fuel gauge allows users to easily monitor fuel levels, reducing the risk of running out of fuel unexpectedly, which could lead to dangerous situations in certain applications.
- Noise Reduction Technology: Many dual fuel inverter generators come with noise reduction features that mitigate sound levels, thus ensuring safer operation in residential areas and minimizing disturbances.
- Ground Fault Circuit Interrupter (GFCI) Outlets: GFCI outlets help prevent electrical shock by cutting off power when a ground fault is detected, making it safer to use the generator in wet or outdoor environments.
- Portability Features: Safety features like sturdy wheels and handles enhance portability, allowing users to move the generator safely without risking injury or damage to the unit or surrounding areas.
What are the Leading Brands for Dual Fuel Inverter Generators?
The leading brands for dual fuel inverter generators include:
- Westinghouse: Known for their reliable and efficient generators, Westinghouse offers dual fuel inverter models that are praised for their quiet operation and portability. These generators are designed for both recreational and emergency use, featuring a user-friendly interface and extended run times on both gasoline and propane.
- Champion: Champion is recognized for its innovative dual fuel technology, allowing users to easily switch between gasoline and propane. Their inverter generators are compact and lightweight, making them ideal for camping and tailgating, while also providing sufficient power for home backup during outages.
- DuroMax: DuroMax generators are built tough, catering to heavy-duty applications with a robust design. Their dual fuel inverter generators combine power and versatility, offering a range of outlets and the ability to run on both fuels, making them suitable for construction sites as well as home use.
- Generac: Generac is a leader in backup power solutions, and their dual fuel inverter generators are no exception. These models are designed for easy starting and quiet operation, often equipped with features like smart technology for monitoring power output, making them perfect for home use or outdoor activities.
- Pulsar: Pulsar’s dual fuel inverter generators are popular for their affordability and efficiency. They come with features such as an eco-mode for improved fuel efficiency and a compact design that makes them easy to transport, making them a great choice for recreational use and light home backup.
Which Models Are Highly Rated by Customers?
The best dual fuel inverter generators highly rated by customers include:
- Westinghouse iGen4500DF: Known for its impressive runtime and versatility, this generator operates on both gas and propane, providing flexibility for users. It features a remote start capability, making it convenient to operate from a distance, and its quiet operation makes it suitable for residential areas.
- Champion 200988: This model is appreciated for its lightweight design and ease of use, making it ideal for camping or tailgating. It offers a dual fuel option, allowing it to run on either gasoline or propane, and has a built-in inverter, ensuring clean power for sensitive electronics.
- Generac GP3000i: Users praise this generator for its compact size and portability, making it easy to transport. It is equipped with a digital smart LCD that shows runtime, wattage, and fuel levels, and its inverter technology provides stable power for sensitive devices.
- DuroMax XP4500S: This generator stands out with its powerful engine that can handle larger appliances, making it suitable for home backup or outdoor activities. Its dual fuel capability allows for flexible fuel options, and it is designed with a heavy-duty frame for durability.
- Pulsar PG4500B20: Customers appreciate the affordability and efficiency of this model, which provides a good balance of power output and fuel consumption. It features a user-friendly control panel and is equipped with both electric and recoil start options, enhancing its usability.
How Can Proper Maintenance Extend the Life of Your Dual Fuel Inverter Generator?
Proper maintenance is essential for extending the life of your dual fuel inverter generator, ensuring it operates efficiently and reliably.
- Regular Oil Changes: Changing the oil at recommended intervals helps keep the engine lubricated and reduces wear and tear. Dirty oil can lead to increased friction and overheating, which can severely damage internal components.
- Air Filter Maintenance: Cleaning or replacing the air filter prevents dirt and debris from entering the engine, which can cause performance issues. A clogged air filter can lead to poor combustion and decreased efficiency, ultimately shortening the generator’s lifespan.
- Fuel System Care: Using fresh fuel and treating it with a stabilizer can prevent gum and varnish buildup in the fuel system. Additionally, periodic inspection of fuel lines and connections for leaks or cracks ensures consistent fuel delivery and prevents potential hazards.
- Battery Maintenance: Regularly checking and maintaining the battery is crucial, especially for electric start models. Ensuring the battery is charged and terminals are clean prevents starting issues and promotes reliable operation.
- Regular Load Testing: Running the generator under load periodically helps to ensure all components are functioning correctly. This practice also helps to identify any performance issues early, allowing for timely repairs and maintenance.
- Cleaning and Inspections: Keeping the generator clean from dirt and debris not only improves aesthetics but also prevents overheating. Regular inspections for loose bolts, frayed wires, or signs of wear can help catch problems before they develop into serious issues.
- Storage Practices: Properly storing the generator when not in use, such as keeping it dry and covered, protects it from environmental damage. Additionally, draining fuel from the tank can help prevent fuel degradation and clogging of the carburetor.