4 Best Dual Fuel Inverter Generators for 2023

Having a reliable and versatile power source is essential for various applications, from home backup to outdoor adventures. Dual fuel inverter generators provide the flexibility of using both gasoline and propane, offering extended runtime and convenience.

Today, we’re reviewing some of the best dual fuel inverter generators on the market, so you can compare their key features and overall performance. Here’s a quick peek at what we chose:

• Champion Dual Fuel Inverter Generator: Versatile power source with optional Parallel Kit for increased output
• DuroMax XP9000iH Dual Fuel Digital Inverter Portable Generator: Powerful output with convenient remote start functionality
• Westinghouse Dual Fuel Portable Inverter Generator: Quiet operation and advanced CO safety system
• GENMAX Portable Dual Fuel Inverter Generator: User-friendly digital control center and Automatic Transfer Switch ready

We have a lot more to share with you. So please join us below to get our thoughts on these leading inverter generators. You’ll find pros and cons and more to help you make the right buying decision.

1. Champion Dual Fuel Inverter Generator

Key features:

• 4500 watts (3500 running watts)
• Dual fuel: gasoline or propane
• Quiet operation: 61 dBA
• Electric start with Quick Touch Panel
• RV-ready, clean power outlets

The Champion Dual Fuel Inverter Generator offers a versatile power source for a variety of applications. With its dual fuel capabilities, the generator can be operated on either gasoline or propane, providing convenience and flexibility. The unit measures 23.2 x 17.7 x 20.1 inches and weighs 97 pounds. Yes, it’s got some weight to it. But we still found it to be portable enough for various uses thanks to the fold-down handle and never-flat tires.

During our testing, the generator’s electric start feature, which includes a battery, proved to be a major advantage. The Quick Touch Panel allowed easy access to all controls in one spot. Running on a 4-stroke 212cc OHV engine, it produces 4500 starting watts and 3500 running watts, with up to 14 hours of runtime on gasoline.

When using a 20-pound propane tank, it can last up to 21 hours. Even better, you can expect quiet operation. At 61 dBA, it is perfect for RVs, tailgating, and as a backup power source for homes. The generator is also RV-ready, featuring a 120-volt 30-amp RV outlet. It also has two 120-volt 20-amp home outlets, a 12-volt DC outlet, and dual USB ports.

The Champion Support includes a 3-year limited warranty and free lifetime technical support from dedicated experts. Additionally, the optional Parallel Kit allows you to increase output by connecting up to two inverters, making it an ideal choice for users who need more power.

The generator has an Intelligauge with Power Meter that keeps track of voltage, frequency, and operating hours. It also has an EZ Start Dial for easy startup and an Economy Mode to monitor power consumption in real-time for efficient energy use. In addition, it comes with a propane hose (LPG), engine oil and funnel, an 8/10 mm wrench, a spark plug wrench, and a reversible screwdriver.

So overall, Champion’s Dual Fuel Inverter Generator stands out for its versatility, quiet operation, and user-friendly features. Its dual fuel capability, long runtime, and expandable power options make it a reliable and convenient choice for various applications.

What we liked:

• Up to 14 hours runtime on gasoline
• Optional Parallel Kit for increased output
• 3-year limited warranty, lifetime support
• Intelligauge monitors power consumption

What we didn’t like:

• Relatively heavy at 97 pounds
• Assembly required

2. DuroMax XP9000iH Dual Fuel Digital Inverter Portable Generator

Key features:

• 9,000 watts (7,600 running watts)
• Dual fuel technology for flexibility
• Inverter technology for sensitive electronics
• Convenient remote start functionality
• ATS outlet for seamless power transitions

The DuroMax XP9000iH is a portable hybrid generator that offers flexibility and reliability when it comes to powering various devices and appliances. With dimensions of 27 x 21 x 25 inches and a weight of 253 pounds, it’s both boxy and heavy. But thanks to durable tires and thick handles, it’s easy to transport and maneuver. We found it to be a suitable option for a range of uses, such as job site applications, emergency home power, or RV camping.

One of the standout features of this generator is its dual fuel technology, which allows you to choose between gasoline and propane for fuel. We really appreciate this feature. For one, it gives you added convenience and flexibility. And two, it ensured that we were never left without power. The unit boasts an impressive 9,000 peak watts and 7,600 running watts, delivering ample power for various purposes.

The inverter technology incorporated here ensures clean, stable power for sensitive electronics such as computers, TVs, and a plethora of other devices. This is particularly important for those who rely on their gadgets and appliances to function efficiently and without disruptions. Furthermore, the generator’s 459cc engine offers a smooth and efficient performance, ensuring that power is consistently delivered when needed.

Another key aspect is the remote start feature, which enables you to conveniently start it up from afar. This is particularly useful in situations where it’s not feasible to manually start the generator or when weather conditions are less than favorable. The device is also equipped with an Automatic Transfer Switch (ATS) outlet, making connecting to a compatible ATS a breeze. That means seamless power transitions during emergencies or power outages. This feature can be particularly useful in a residential setting, ensuring that your home remains powered even during unexpected events.

Throughout our testing, we found the XP9000iH to be a reliable and powerful generator capable of meeting the power needs of various situations. Its dual fuel technology, inverter capabilities, and remote start functionality are just some of the features that make this generator stand out from the competition.

We will say that maintenance can be a bear, as you’ll need your own tools. But aside from that small caveat, DuroMax delivers a versatile and dependable generator that offers both flexibility and reliable performance. Its range of features, coupled with its 3-year warranty, make it a strong contender for those in search of a powerful, portable power solution.

What we liked:

• Powerful 9,000 peak watts output
• Portable and easy to maneuver
• Suitable for various applications
• 3-year warranty for peace of mind

What we didn’t like:

• It’s much heavier than many others
• Troublesome to maintain

3. Westinghouse Dual Fuel Portable Inverter Generator

Key features:

• 4,500 watts (3,700 running watts)
• Dual fuel with gasoline or propane
• Quiet operation at 52 dBA
• Remote electric start system
• Advanced carbon monoxide detection

The Westinghouse Dual Fuel Portable Inverter Generator is an ideal solution for those seeking a versatile and reliable power source for various applications. This unit offers a multitude of features that make it stand out among other generators in its class. We tested this unit in both gasoline and propane modes, and it performed exceptionally well. The dual fuel feature provides flexibility, as you can easily switch between fuel sources with an intuitive dial on the control panel.

One notable feature of this generator is its quiet operation. With a noise output as low as 52 dBA, it is perfect for residential use or even travel trailers. Additionally, it boasts a fuel-efficient “Economy Mode” and can run for up to 18 hours on a 3.4-gallon gas tank.

The unit comes with a remote electric start system, allowing you to start and stop the generator from up to 260 feet away. This adds convenience and ease of use to an already impressive device. Furthermore, it is equipped with an LED digital data center, providing essential information such as fuel level, power output, remaining run time, voltage output, and lifetime hours.

This generator also features plug-and-play parallel capability, allowing you to pair it with a compatible Westinghouse inverter generator to combine power outputs. The clean, stable power output with less than 3% THD is ideal for sensitive electronics like computers, televisions, and mobile phones.

What’s more, safety is a top priority. It includes a carbon monoxide detection system that continuously monitors CO levels during operation. The generator will automatically shut down before CO levels become dangerously high, ensuring your safety.

Measuring 24.5 x 17.5 x 20 inches and weighing 105.8 pounds, this generator is relatively compact and portable. It is equipped with a telescoping handle for easy transportation. In all, the Westinghouse Dual Fuel Portable Inverter Generator is a top choice for those seeking a reliable, versatile, and safe power source for various applications.

What we liked:

• Long runtime up to 18 hours
• LED digital data center display
• Parallel capability for added power
• Compact and portable design

What we didn’t like:

• Somewhat heavy at 105.8 pounds
• Separate parallel cord purchase required

4. GENMAX Portable Dual Fuel Inverter Generator

Key features:

• 7,250 watts (6,000 running watts)
• Dual-fuel capability (gas and propane)
• User-friendly digital control center
• Automatic Transfer Switch ready
• Built-in carbon monoxide detector

The GENMAX Portable Dual Fuel Inverter Generator is an impressive and versatile power solution for various applications. With its dual-fuel capability, this generator runs on both gas and propane, delivering 7250 starting watts and 6000 running watts on gas and 6000 starting watts and 5500 running watts on propane. Its dimensions are 21 x 24 x 18.5 inches, and it weighs 136.7 pounds.

This one proved to be ideal for emergency home power in our testing. It’s also a great fit for job site use and camping with a 5-ton RV. Its control center comes equipped with a digital display, showing essential information such as total running hours, load level, fuel level, AMPS used, and alerts for overload and low oil. The generator also features Type-C charge ports and a voltage transfer switch, with a 50-amp socket that can provide full power under 120-volt.

One of the unique features of this generator is its electronic fuel level indicator. This easy-to-read gauge helps users monitor fuel consumption and estimate the remaining fuel percentage. Additionally, it is Automatic Transfer Switch (ATS) ready, making it convenient for home standby use with a compatible ATS. Safety features are present, too. For starters, there’s a built-in carbon monoxide detector. If it detects unsafe levels of CO, it initiates an auto shut-off switch. Together, these features ensure the safety of users and prevent potential hazards.

The generator’s 4-stroke engine operates at a frequency of 50 Hz. On top of that, it’s EPA and CARB compliant, adhering to environmental regulations. Furthermore, the generator is designed for convenience, with an electric start and remote control capability. Despite its powerful output, it operates at a super quiet noise level, making it suitable for various environments.

In our tests, it demonstrated reliable and efficient performance in diverse settings. Its portable design, dual fuel capability, and impressive power output make it a valuable power solution for various situations. We had some issues selecting fuel sources, as the selector can be hard to use. And the hour counter suddenly reset on us a couple of times. But overall, the GENMAX’s user-friendly control center, fuel efficiency, and safety features make it a formidable contender.

What we liked:

• Powerful output for various applications
• Portable and convenient design
• Super quiet operation
• EPA and CARB compliant

What we didn’t like:

• Hour counter resets sometimes
• Fuel selection knob difficult to turn

Dual Fuel Inverter Generators FAQs

What are the advantages of dual fuel inverter generators?

Dual fuel inverter generators offer the flexibility to use both gasoline and propane as fuel sources, providing extended runtime and convenience. Additionally, propane is a cleaner-burning and often less expensive fuel source that can be stored indefinitely, reducing engine maintenance.

Can I connect two dual fuel inverter generators together for more power?

Yes, many dual fuel inverter generators come with parallel capability, allowing you to connect two compatible generators to combine their power outputs. This feature is particularly useful when you need more power for larger appliances or multiple devices.

How can I maintain and ensure the longevity of my dual fuel inverter generator?

Regular maintenance is crucial for the longevity and optimal performance of your dual fuel inverter generator. Some essential maintenance tasks include checking and changing the engine oil, cleaning or replacing the air filter, inspecting and replacing spark plugs, and ensuring that the fuel is fresh and free from contaminants.

Final Verdict

After thoroughly testing and reviewing these dual fuel inverter generators, each model stood out for its unique features and capabilities.

The Champion is an excellent choice for its versatility, quiet operation, and user-friendly features.

DuroMax’s XP9000iH impressed us with its powerful output, portability, and suitability for a wide range of applications.

Next up, the Westinghouse proved to be a top choice for those seeking a reliable, versatile, and safe power source.

Lastly, the GENMAX offers a user-friendly control center, fuel efficiency, and safety features that make it a formidable contender.

Ultimately, each of these dual fuel inverter generators has its strengths, and your final decision will depend on your specific needs, preferences, and budget. All four models offer excellent performance and versatility, making them worthy contenders for the best dual fuel inverter generators available today.