Best Dual Fuel Inverter Generators

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

Household and business proprietors sometimes ought to use home equipment in off-grid settings every time there is an outage. For instance, in case you need to prepare dinner meals at home, light your room, 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.

generator outside

However, with all of the many alternatives available, it could be overwhelming to identify which one fits your needs. In this article, we’ve rounded up the best dual gasoline inverter generators you could find in the marketplace these days that 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 3800 Champion 100155 Duromax 10000 Champion 3800
Champion 7000w Pulsar 10000w Champion 9375 Champion 3400
WGen12000DF Sportsman 2200 Sportsman Sandstorm 4000 Westinghouse 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 RVs, farms, and work. Among its best qualities include having fairly low weight despite its big wheels. Not to mention that it also has a capacity of an 8-gallon fuel tank, making 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 times of 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 so that you have access to any one of the fuels in case there is an emergency.

Champion 9000

The Champion 9000 gives you power and peace of mind with its CO Shield™ technology designed to automatically shut off the carbon monoxide system. The CO Shield™ technology has a shielded sensor that tests itself automatically so that 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/off push-button power with electric start as well as the Smart Charger that will keep your batteries readily charged.

Westinghouse WGen9500df

The Westinghouse WGen9500DF is one of the most powerful & portable options that can be extremely useful for homeowners who are looking for a backup power source in case of any power interruption. This unit is also good for professionals who need their 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 which 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 and has a duration of up to 17.5 hours for gasoline and up to 11 hours if using propane.

Sportsman Sandstorm 4000

Sportsman Sandstorm 4000 provides power and flexibility to keep all your things going. This type activates on both propane and unleaded gasoline to ensure all your vital appliances are working even when there is a power interruption. Its 4000 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 such as outdoor camping 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 so 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 case of a sudden power failure. It offers a supportive handle that you can carry the unit with yourself 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, refrigerators, and many more. You can also search for other types thaty they offer such as Sportsman 2000 (not 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 also features its Push-Button Electric Start, giving the customers more convenience and seamless remote start. The unit takes pride in its single cord hookup, Transfer Switch ready L14-30R, and a much larger one 14-50R outlets, which enables you to power your entire appliances all at the same time.

Champion 3400

Champion 3400 provides the perfect combination of convenience and versatility in case 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, the system that allows a quick start during cold seasons.

The Champion 3400 also boasts its smart economy mode which provides a more quiet operation and can reduce the electrical load. It is also designed to provide easy storage with its 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, furnace fans, refrigerators, and air conditioners all at the same time. The Champion 9375 runs up to 8 hours on a full tank at 50% load. Its Intelligauge system helps keep track of hertz, voltage, and run-time hours for a more convenient and easier power output monitoring and maintenance intervals tracing. The unit comes with a foldaway U-shaped handle which makes 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 (not dual fuel).

Pulsar 10000w

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

Champion 7000w

If you’re searching out an ideal combination of comfort and versatility, Champion 7000w is one of your excellent options. This type of system operates on both gasoline and propane and 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 as compared to other comparable 7000 watt options. It additionally has a Quiet technology that makes 50% much less noise which makes it appropriate for office work or even work at home setup.

Champion 3800

The Champion 3800 is considered as one of the lightest models in the marketplace today, making it among the top alternatives with regards to portability. This type of 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 is capable of running on both propane or gas. The Champion 3800 has a capacity of 3.4 gallon and and has a run time of up to nine hours at a 75% load. Among its exceptional functions consist of digital display, low-oil shutdown sensor, and USDA accredited spark arrestor.

Duromax 10000

The Duromax 10,000 is one of the most effective machine you could discover in the marketplace today. This kind of unit has a 10,000 watts beginning power and can be continued for up to 8,000 watts. The Duromax 10000 can run up to ten hours if used at a 50 capacity which makes it one of the most heavy-duty options you could discover in the marketplace 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 equipments from hairdryers to refrigerators. Some of Duromax 10000’s other functions consist of spark arrestor, AC and DC regulators 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 which helps in keeping track of hertz, voltage and run time hours for fuel. This type of machine additionally makes use of 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 type of machine runs up to eight hours on a 6.1 gallon tank. Some of this unit’s other capabilities consist of a low oil shut off sensor, quick drain oil system in addition to 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. This machine comes with a 224cc Champion single-cylinder OHV engine that offers all of the energy you want to keep your things going. This type of device additionally takes pride in its Cold Start technology which gives a quick start during cold seasons. It additionally has an Intelligauge device that monitors frequency, voltage, and working hours for a less complicated tracking and maintenance interval tracking. Aside from this, Champion 3800 dual fuel generator additionally has a foldaway handle and never-flat tires for less difficult storage and easier transport.

Advantages of These Machines


Generators are particularly used as a source of backup energy in 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 so that you won’t need to worry about missing your crucial activities every time there is an electricity outage.

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

Key advantages

Here are some of the key advantages.

Switches fuel automatically Versatility
Cost-effectiveness Reliability

Switches Fuel Automatically

They can switch themselves automatically in case the alternative type of fuel is depleted. For instance, if your set is running on natural and diesel gas, they will routinely transfer to natural gas whilst the diesel gets depleted.


They can last for many years irrespective of what kind of fuel is getting used to run them. They are geared up with dependable components that make them more durable. It is designed in such a way that it may resist any harsh climate for a long time. Aside from this, 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. Just like a hybrid option, they are very economical due to their low gasoline consumption. If you need to increase your energy output then you definitely have to remember buying one. Since the machine uses several types of fuel, you could select which one to increase performance and decrease the economic effect on the other type of fuel which will be given between these settings. Using this type of model, in the long run, can cost much less than using a single fuel model.


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, LP steam, natural gas, petrol, or liquid propane.


They are extra efficient at burning fuel in comparison to other kinds of types. In general, an engine makes use of 75% natural gas and 25% diesel to soundly generate energy. For instances of 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. Since 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 typeS Size
Manufacturer Warranty

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 run them in parallel instead. Large ones may be very noisy and much less efficient.


Consider the maintenance charges whilst 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. Also, try and get the opinion of the mechanics that service different types. Doing so, you will come up with an idea of what models to avoid.

Fuel Type

One of the most critical elements to search for whilst doing your research is the type it runs. For example, in case you are making plans to shop for one for a secluded area, natural gas might not usually be readily available. For remote sites, propan types are more suitable for remote sites or secluded areas.


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 are able to give you recommendation and solution to all of your questions on the unit you’re making plans to buy.


Do you need to buy a stationary or portable one? If you’re making plans to shop for a generator on your business or at home, the great choice could be a stationary one as it gives reliability and stability. Portable options, on the other hand, are great for construction sites or event planners which are constantly on the move. We can also help you find other essential and portable tools you need at home such as mini metal lathes, wood lathes and welding machines.


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

With hurricanes getting stronger as well as fire season is destructing in some areas, considering to purchase 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 are looking to buy other home essentials such as gauge wire, UV light sanitizers and amp wires.

Do you find our article useful? If so, we would love to hear your thoughts. Make sure to check out our article on deep cycle batteries and our SAE to metric conversion chart.

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