Best Dual Fuel Inverter Generators

Power outages are among the most common and irritating issues for many. Not only that it could result in spoiled meals and headaches, but it can also leave uncomfortable and unsafe temperatures.

Household and business proprietors sometimes ought to use home equipment in off-grid settings whenever there is an outage. If you need to prepare dinner meals at home or heat your house, it could be a challenge if the grid is down. For this situation, you’ll have to search for the best dual fuel generator you could purchase.

inverter generator

However, it could be overwhelming to identify which one fits your needs with all of the many alternatives available. In this article, we’ve rounded up the best dual gasoline inverter generators you could find in the marketplace. It will help you determine which is the best for you. We can also help you if you’re looking to buy a garage waste oil burning heater or a garden tractor.

Popular options
Champion 3800Champion 100155Duromax 10000Champion 3800
Champion 7000wPulsar 10000wChampion 9375Champion 3400
WGen12000DFSportsman 2200Sportsman Sandstorm 4000Westinghouse WGen9500df
Champion 9000   

Firman H07552 Dual Fuel Generator 7500 Running Watts

When it comes to delivering quality power, Firman has a lot of impressive qualities to offer. This machine is best used as backup power for large farms and work. Among its best qualities include having fairly low weight despite its big wheels. Not to mention it also has a capacity of an 8-gallon fuel tank. It makes it extremely portable compared to its other competitors. Having an 8-gallon fuel tank gives it an average runtime of 12 hours when the tank is full. Consumers always appreciate this runtime as it can be extremely helpful during unwanted emergencies.

Firman H07552 also takes pride in giving flexibility in fuel. With its dual-fuel technology, you can choose either propane or gasoline as your fuel. Choose what you have access to in case of an emergency.

Champion 9000

The Champion 9000 gives you power and peace of mind with its CO Shield™ technology. It’s designed to shut off the carbon monoxide system automatically. The CO Shield™ technology has a shielded sensor that tests itself automatically. Once it operates in inappropriate areas, its sensor will alert and shut off automatically. This means that the machine needs to be moved to a more open-air area with enough ventilation.

The Champion 9000 also takes pride in its 459cc engine on and off push-button power with electric start. It also has a Smart Charger that will keep your batteries readily charged.

Westinghouse WGen9500df

The Westinghouse WGen9500DF is one of the most powerful and portable options. It can be useful for homeowners looking for a backup power source in case of any power interruption. This unit is also good for professionals who need lighting equipment or high-intensity work safely powered. Its advanced technology provides versatility and power, delivering a 120/240V. The unit has a noise rating of 73 dBA. It can be activated using a conventional pull-start mechanism. It can also be started via a convenient and easy-to-use electric starter. If you want more convenience, this machine can also be remotely started with a key fob included in the unit.

Westinghouse WGen9500DF has a fuel capacity of 6.6 gallons. It offers a duration of up to 17.5 hours for gasoline and up to 11 hours if using propane.

Sportsman Sandstorm 4000

Sportsman Sandstorm 4,000 provides power and flexibility to keep all your things going. This type activates on propane and unleaded gasoline. It ensures all your vital appliances are working even when there is a power interruption. Its 4,000 watts is strong enough to give most contractors and homeowners a powerful backup energy source.

This machine is very compact, making it suitable for outdoor activities or tailgating. It also has a total run time of 10 hours with almost 50 percent load. Aside from its key features, this machine is also budget-friendly. You won’t have to worry about spending too much on a high-quality piece of equipment.

Sportsman 2200

Sportsman 2200 is one of the best budget-friendly portable options available in the market. It can last for up to 7 hours of runtime. Sportsman 2200 is also light in weight, making it suitable for events and occasions in a sudden power failure. It offers a supportive handle to carry the unit with you while enjoying much portability.

This machine is compact, which means you can store the unit anywhere you want without worrying about space issues. You can also use Sportsman 2200 watts even on your heavy appliances such as air conditioners and refrigerators. You can also search for other types that they offer, such as Sportsman 2000. However, that one isn’t dual fuel.


Westinghouse WGen12000DF is one of your best options when it comes to ultra-duty machines specially designed for your toughest power needs. The unit has 15,000 peak watts and 12,000 running watts and yields up to 11 hours of runtime. WGen12000DF also operates on either propane or gasoline with a fuel capacity of 10.5 gallons.

Westinghouse WGen12000DF features its Push-Button Electric Start. It gives the customers more convenience and a seamless remote start. The unit takes pride in its single cord hookup and Transfer Switch-ready L14-30R. It comes with a much larger 14-50R outlet, enabling you to power your entire appliances simultaneously.

Champion 3400

Champion 3400 provides the perfect combination of convenience and versatility. It’s great if you need a source of power in the event of any power interruption. It operates on 3400 watts and holds 0.6 quarts of oil, with a running time of 7.5 hours at 25% load. The unit has a quick touch panel that provides access to all your controls in one spot. The Champion 3400 also takes pride in its Cold Start technology, which allows a quick start during cold seasons.

The Champion 3400 also boasts its smart economy mode, which provides a quieter operation and reduces the electrical load. It is also designed to provide easy storage with built-in handles and flat-free tires for easier transport.

Champion 9375

The Champion 9375 is one of the most dependable pieces of machinery for your home or job site. This machine type can run different appliances such as lights and air conditioners all at the same time. The Champion 9375 runs up to 8 hours on a full tank at 50% load, making it a worthy contender of your time. Its Intelligauge system helps keep track of hertz and voltage. You’ll know the situation in terms of runtime hours for a more convenient and easier power output monitoring and maintenance intervals tracing. The unit comes with a foldaway U-shaped handle, making it much easier to store. It also comes with flat-free tires for easier transport. You can also search for other types they offer, such as Champion 3500. However, that one is not dual fuel.

Pulsar 10000w

When it involves portability and performance, the Pulsar 10000w is one of the satisfactory candidates to meet your needs. This unit operates on both fuel and liquid propane in an energy outage. Pulsar 10000w provides its great Switch & Go technology. This machine allows you to switch from gas to LPG or vice versa while the unit is up and running. This sort of system is among the best selections for several outdoor activities and home use in addition to job sites. Its exceptional portability functions include a foldaway locking handle and powder coat steel frame. It has impressive never-flat tires and electric-powered start technology.

Champion 7000w

If you’re searching for an ideal combination of comfort and versatility, Champion 7000w is one of your excellent options. This type of system operates on gasoline and propane. It can be effortlessly and safely switched from one gasoline to another. It additionally takes pride in its Cold Start technology in addition to its plug-in Smart Charger. This machine type can run for up to eight hours at 50% load on a 6.1-gallon gasoline tank.

The Champion 7000w additionally gives lesser noise than other comparable 7000 watt options. It also has a Quiet technology that makes 50% much less noise. It makes it appropriate for office work or even work at home setup.

Champion 3800

The Champion 3800 is considered one of the lightest models in the marketplace today. It makes it among the top alternatives regarding portability. This machine comes with a 122-pound weight-ready with a robust and sturdy steel frame and powerful engine. This unit is likewise flexible as it can run on propane and gas. The Champion 3800 has a capacity of 3.4 gallons and has a run time of up to nine hours at a 75% load. Its special functions include a digital display and a low-oil shutdown sensor. It is USDA-accredited for its spark arrestor.

Duromax 10000

The Duromax 10,000 is one of the most effective machines you could discover in the marketplace today. This kind of unit has a 10,000 watts beginning power and can be continued for 8,000 watts. The Duromax 10000 can run up to ten hours if used at a 50 capacity. It makes it one of the most heavy-duty options you could discover today.

Aside from its strength, this type of machine is also portable and can be easily moved around because it has flat-free tires. The system is designed to run on each liquid propane or fuel. Because of its flexibility, this machine can power both small and big home equipment, from hairdryers to refrigerators. Duromax 10000’s other functions include spark arrestors and reduced oil protection.

Champion 100155

The Champion 100155 comes with a 439cc Champion single cylinder and 4-stroke OHV engine. It has an Intelligauge technology that helps keep track of hertz and runtime hours for fuel. This machine additionally uses 10W -30 oil and has a low oil shut-off sensor.

The Champion 100155 comes with a dual fuel technology equipped with Fuel Select Switch for safe fuel conversion between propane and fuel. This machine runs up to eight hours on a 6.1-gallon tank. This unit’s other capabilities include a low oil shut-off sensor and a quick drain oil system. You’ll love its cold start technology.

Champion 3800

When it involves a generator that offers protection and comfort in mind, one of the excellent options is Champion 3800. It comes with a 224cc Champion single-cylinder OHV engine that offers all the energy you want to keep your things going. This device additionally takes pride in its Cold Start technology which gives a quick start during cold seasons. It also has an Intelligauge device that monitors the frequency and working hours for less complicated and maintenance interval tracking. Aside from this, the Champion 3800 dual fuel generator additionally has a foldaway handle. Its never-flat tires are great for easy storage and transport.

Advantages of These Machines


Generators are particularly used as a source of backup energy on the occasion of a power outage. Various options have emerged as popular due to their specific capacity to perform a combination of fuels. Using these machines is a great opportunity. You won’t need to worry about missing your crucial activities whenever there is an electricity outage.

One of the best things about using this type is that they have the latest and most up-to-date power generation technology. It means that there are a lot more capable than older models. Aside from this, dual fuel options produce much less noise and consume lesser fuel.

Key advantages

generator outside

Here are some of the key advantages.

Switches fuel automaticallyVersatility

Switches Fuel Automatically

They can switch themselves automatically if the alternative type of fuel is depleted. If your set runs on natural and diesel gas, they will routinely transfer to natural gas while depleting the diesel.


They can last for many years irrespective of what kind of fuel is used to run them. They are geared up with reliable components that make them more durable. It is designed so that it may resist any harsh climate for a long time. They produce maximum power units of energy, making them extraordinarily efficient and reliable.



Just because they produce most units of energy doesn’t imply it generates excessive gasoline consumption. Like a hybrid option, they are very economical due to their low gasoline consumption. If you need to increase your energy output, then you have to remember to buy one. Since the machine uses several fuel types, you could select which one to increase performance. You can decrease the economic effect on the other type of fuel, which will be given between these settings. Using this type of model can cost much less than using a single fuel model in the long run.


They will let you use different kinds of fuel. Depending on what sort of fuel you need to use or what type of fuel is to be had for your area, you could choose to use diesel or LP steam. You can also find them using natural gas and liquid propane.


They are extra efficient at burning fuel compared to other kinds of types. An engine uses 75% natural gas and 25% diesel to generate energy soundly. For higher loads, engines will need to regulate the diesel-to-gas to make up for imbalances.

Eco Friendly

They are an eco-friendly alternative to different types. This is because the combination of fuels combined with a highly active engine emits fewer carbon emissions to the environment. Natural gas burns a lot cleaner than diesel. The mixture of natural gas combined with diesel will result in lesser emissions than ones that run completely on diesel.

What to Look For

vintage generator

Searching for the right kind that you could trust may seem complicated to start with. But as soon as you already know what precisely to search for, you may be able to locate your match in no time.

What to look for
Fuel typeSSize

Here are the features you ought to search for when planning to purchase one:


Instead of buying a big unit, consider shopping for several smaller units and running them parallel instead. Large ones may be very noisy and much less efficient.


Consider the maintenance charges while making plans to buy a unit. Make sure to test its consumer reviews on reliability in addition to the issues the previous clients have encountered. Try and get the opinion of the mechanics that service different types. By doing so, you will develop an idea of what models to avoid.

Fuel Type

One of the most critical elements to search for while researching is the type it runs. For example, plan to shop for one in a secluded area. Natural gas might not usually be readily available. Propane types are more suitable for remote sites or secluded areas for remote sites.


When making plans to buy a unit, make certain to choose a unit manufactured by a good and trusted brand. Trustworthy stores such as Honda and Generac constantly offer the best deals and high-quality merchandise. A good retailer is highly knowledgeable about the device they’re selling. They also can give you recommendations and solutions to all of your questions on the unit you’re making plans to buy.


Do you need to buy stationery or a portable one? Suppose you’re planning to shop for a generator for your business or at home. The great choice could be a stationary one as it gives reliability and stability. Portable options are great for construction sites or event planners who are constantly on the move. We can help you find other tools you need in your home, such as mini metal lathes and welding machines.


When shopping, constantly take a look at the warranty and compare it with different brands.

With hurricanes getting stronger and fire season destroying areas, purchasing a standby generator must be on top of your list. Fortunately, there are plenty of alternatives available on the marketplace these days to keep things running. We can also help you if you want to buy other home essentials such as gauge wire and amp wi

In the following, we will show you the ideal metod by which you can start a dual generator and how to handle it.