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Top 10 Best Dual Fuel Generators in 2024 – Reviewed By Expert!

We live in a world where we entirely depend on electric to do almost everything. What happens when there is power outage?

Do you have to stop all your operations simply because there is no power? That is when the best dual fuel generators comes in handy. Generators are great inventions that came to save us.

There is a single fuel generator and a double. In this case, you are going to learn about dual fuel because they are value packs, durable, convenient and easy to use.

They also save electricity costs as well reduce fuel storage. Most of the fuel used is easily accessible. Together with a generous buying guide let's take a look best dual fuel generator 2024.

 Best Dual Fuel Generators 2024 - Comparison 

Top 10 Best Dual Fuel Generators - Reviews

If you want to buy a durable dual fuel generator or lucrative 4000 Watt Generator for office or home use, the following are reliable units of top 10 generators that will provide the required power for different appliances. Check out reviews of top 10 best dual fuel generators on the market today.

 1.  Westinghouse WGen3600DF Dual Fuel Generator 

For the past 130 years, Westinghouse has been leading in the production of efficient and reliable generators. This is not only because they invented the modern day power grid but also made generator power production more versatile.

First of all, to start the generator is quite simple. You are just required to push one button and with the help of a charged built-in battery it will start running. 

There is a port for connecting the battery to an outlet on the generator so that you can recharge it. The present remote key lets you start your generator from anywhere you please. Just like your car.

Secondly, It has a TT-30A 120-volt outlet.  This outlet is included to allow you to plug in and power your generator. Remember you do not need any adaptors, the power is very safe.

Thirdly, you will find it extremely easy to transform from gas to propane. The Generator has an easy switch mechanism that will make you avoid unnecessary complications.

Fourthly, This best rated generators features a one-touch button that offers electric start or remote start on key fob. Besides, when it runs on gasoline, 3600 watts continuous are created and 4650 watts siphoned at peak.

When it’s time for propane, rated watts play at 3240 while peak watts play at 4180. This means that you use 4 gallons of fuel tank each time you use the generator. That is why this one top rated dual fuel generator in 2024.

Highlighted Features

  • A direct plug for starting engine
  • EPA, CARB and CSA approved
  • A durable engine sleeve made from cast iron
  • User friendly control panel with three power outlets
  • 4 stroke OHV engine from Westinghouse with 212cc
  • Foldable handles and wheels for enhanced portability
Westinghouse WGen3600DF Dual Fuel Generator
Westinghouse WGen3600DF Dual Fuel Generator

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 2.  DuroMax XP12000EH Dual Fuel Portable Generator

If you are looking for a generator that is unstoppable even with weather variations, then DuroMax XP12000EH is the one for you. It uses highly available and affordable fuels and performs exemplarily. 

It is an ideal standby unit for homes, offices and outdoor events. This value unit that generates 12000 watts is powered by a most lucrative and great 457cc engine from DuroMax. 

This best dual fuel portable generator engine is designed to completely feed the loaded panel of appliances and it will also allow you to pull-up maximum power. Individual breakers are also present to moderate loads. 

And enable you to ensure the safety of all that you have plugged in including the generator itself.You will also find a noise reducing muffler on the panel along with a spark arrestor both crafted in standardized conditions approved by the EPA. This means that, when the generator is overworked and starts making more noise, the noise can be easily moderated. Also, sparks that come up as a result of uneven power supply can be infiltrated to avoid burning up of your essential plugged in appliances.

The 12000 watt dual fuel generator also comes with a fancy heavy duty frame that is made out of high-quality materials. This duromax generator dual fuel frame has four corners that succinctly houses the motor mounts. The frame is another thing on the generator that ensures the safety of the generator.

When it comes to runtime, the duromax dual fuel generator has an excellent range of runtimes. On gasoline, you will notice a 50% output at a 10-hour runtime while on propane the runtime is extended to 20 hours yet the 50% output is maintained. Moreover, this best 12000 watt generator or dual fuel generators reviews help to pick the best one no doubt.

Highlighted Features

  • Twin fuel machinery
  • Powerful engine with a low oil warning light
  • 20 hour run time on propane while a 10 hour run time on gas
  • Rugged and heavy duty frame with four fully isolated motor mounts
  • Produces low engine noise with a volt meter, circuit breaker and power outlets
DuroMax XP12000EH Dual Fuel Portable Generator
DuroMax XP12000EH Dual Fuel Portable Generator

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 3.  Champion 3400-Watt Dual Fuel Portable Generator

From a well-established power generation equipment production company, you get a unique generator that combines versatility and convenience to help you get your confidence back either at home or at work whenever there is a power blackout.

To begin with, champion have an interesting inverter technology that encompasses a smart economy mode. This smart economy mode works in a manner that it can control the electrical load applied on the generator. 

This champion dual fuel inverter generator basically allow you to use less fuel and extend engine life for a long time. It also makes the engine to run on a low noise production level. With the easy switch from gasoline to propane and vice versa. 

which is brought about by the turn of fuel selector dial, you can use gasoline and make 3400 starting watts and 3100 running watts for a 7.5-hour running time at 25% load. On the other hand, when using propane, the 192cc champion engine will make 3060 watts at the beginning and continue with 2790 watts in an extended 14.5-hour runtime with 25% load. This trend is so ideal for a business company.

This champion generator or best dual fuel inverter generator comes with an optional parallel kit that will give you an easy and quick clip-on connection giving you the mandate to accelerate wattage output. There is also a custom 50 amp RV outlet with more than enough power to enable you to start and keep running like double 15000BTU RV air conditioners.

When it comes to enhanced portability, this champion generator comes with a completely furnished frame with a foldaway handle that you will find easy in storing the generator. 

Highlighted Features

  • A low oil shut off sensor
  • Dual USB Battery adapter
  • Dual fuel engine with high wattage production.
  • Produces clean power with three power outlets
  • A unit that can hold up to 0.6 quarts of 10W-30 oil.
  • Touch panel, electric start, and three ignition switches
Champion 3400-Watt Dual Fuel Portable Generator
Champion 3400-Watt Dual Fuel Portable Generator

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 4.  Champion 7500-Watt Dual Fuel Portable Generator

Made in the US for the world, champion generators are exceptionally dependable and durable with excellent performance. You can use it at work, or at home or on an outdoor mission as it makes life easier.

The champion or best dual fuel portable generators always put customer needs before any other thing. That is why this dual generator comes with a convenient and electric start key and a wheel kit. 

Whether on gas or propane, it will make high power. On gasoline, it will allow you to siphon 9375 starting watts and 7500 continuous watts with up to 8 hours run time. 

While when you switch to propane, you will start with 8400 watts and continue with 6750 in a 5.5 hour run time. Using this champion 7500 dual fuel generator
also safe because not all of its parts are oddly exposed. In fact, they are covered by a rugged and strong frame made from tough steel in a standard shape. The steel is rust-free and can last for a very long time. This also makes the generator more portable.

With a highly powerful engine, it is quite obvious that this generator makes a lot of power and it could be unstable sometimes. That is where this reliable volt guard comes in. It is a surge protector nicely built-in to the generator to help you control the levels of voltage going through the power outlets provided by the generator. Basically, this is to protect your electrical appliances from burning.

There is also an intelligence system that will enable you to monitor the whole running process of your generator. You will be able to keep track of voltage levels, hertz, runtime, power output and track maintenance intervals.

Highlighted Features

  • 74 dBA powerful champion engine
  • Handles and always tight tires for added portability
  • Includes 10W-30 oil with an automatic low oil shutoff
  • GFCI standardized outlets with USDA certified spark arrestor
  • Dual fuel switch from propane to gasoline with an extended runtime.
  • Electric start, cold start, and intelligence available for functional convenience
Champion 7500-Watt Dual Fuel Portable Generator
Champion 7500-Watt Dual Fuel Portable Generator

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 5.  Champion 3800-Watt Dual Fuel Portable Generator 

This is another unit from a champion that operates from gas and propane which is ready to use just right out of its packaging. 

This is a very powerful generator that can be used as a back-up plan at home when the power is out. When using gasoline, this generator will make 4750 starting watts whereas running watts it will be playing at 3800. 

On the other hand, when you switch to propane you will make as high as 4275 starting watts and 3420 running watts. The dual fuel portable generator also comes with a built-in battery. 

This battery plays an important role when starting the generator because it offers you an easy start electric button push to turn on and run the generator.  There is a charger that comes along with the battery and when the generator is running you can connect it to one of the outlets and it will add more energy to it.

Besides the dual fuel generators has a ready to use standard 30A RV outlet that produces plenty of power to turn on and run powerful home electrical appliances like a 15000 BTU RV air conditioner, sump pump, fridge, router, fan, computer, DVD or smartphone charging. This portable generator has an excellent run time of about 9 hours if you connect it to a full tank of gasoline. 20 pounds of propane will give you beautiful 10.5 hours of runtime at a fair 50% load size.

Since it was invented and made by pros for convenient use, it has additional features like a volt guard, a surge protector that is built-in and a cold-start technology. Whatever you connect so that it can be powered by this generator will be safe. Moreover, this dual fuel generator reviews help to pick the perfect one soon.

Highlighted Features

  • Runs on both gasoline and propane
  • Powerful 224cc single cylinder OHV engine
  • 9 hour run time on gas and 10.5 runtime on propane
  • Approved generator with a volt guard and a power surge
  • A cold-start technology to start it in cold weather and a touch start for normal running
  • Four secure outlets which include 120V 30A RV, 120V 30A locking and double 120V 20A
Champion 3800-Watt Dual Fuel Portable Generator
Champion 3800-Watt Dual Fuel Portable Generator

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 6.  DuroMax XP4850EH 3850 Portable Generator

The second unit from DuroMax is a user friendly generator which is designed to provide enthusiastic security as well as simplicity in use. 

It has a 7HP engine that houses an inbuilt air cooling mechanism. The engine can also run with low-oil shut-off sensor that in turn protects the motor from deteriorating quickly. 

With this generator, you can easily switch from gasoline to propane and in another way extending its runtime and lifetime.Additionally, the cast-iron engine has one thing up its sleeve. 

It is a 196cc rated engine that can deliver 4400 watts when you set to peak or 3500 watts a normal rate. You won't believe how much you can handle with all these power at hand. The ideal to use at home generator is as well safe and reliable just like its powerful. It comes with an easy to use electric start. Apart from that, you also get a recoil start which you will see will come in handy when the battery runs low.

Moving the generator from one point to another will be smooth for a long time. This is due to the solid fill tires that will never run flat no matter the type of terrain you expose them to. The highly raised handles will also take part in your easy moving because they are comfortable to hold.

To top it all, the generator has a high-quality frame that connects at four corners. The frame is made from the strong and rust-free material. It houses the motor and other important parts of the generator which runs quietly. Moreover you can use it as like as dual fuel home generator that is both option.

Highlighted Features

  • EPA certification
  • Handle and standard tires for portability
  • 3850 watts rated output and 4850 watt max output
  • Powerful 7HP engine with a DuroMax OHV cooling system
  • Three wattage outlets; Max AC output and two 120 volt output
  • An advanced oil warning light with a convenient start switch, volt meter, circuit breaker and shutoff button
DuroMax XP4850EH 3850 Portable Generator
DuroMax XP4850EH 3850 Portable Generator

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 7.  DuroMax XP4400EH, 3500 Portable Generator

Being the third one from DuroMax on our list, XP4400EH offers the ability to keep our environment clean by using propane. From a brand marketed by Max Tools, it is an excellent hybrid generator capable of producing more energy and be portable.

Besides propane, the generator also utilizes gasoline. Do you know you can store propane for a very long time and it will not expire? Similarly,  alternating from gasoline to propane is easy and quick. 

You will also get to improve the engine's runtime and not foul up your carburettor. With an easy and quick start, your DuroMax generator will not lose power for a long time. 

Instead, it is will allow you to save more fuel and usability. On the same note, the generator comes with a long lasting durostar 7 HP that is air cooled and has a low oil shutoff. This is one of the features that make this generator more flexible and convenient. 

This features a heavy duty steel frame that houses extremely important parts of the generator including the motor. The motor is placed in a nice manner for easy movement of the generator and it runs with minimal silence. 

When you are done using the generator, you can use the engine shut off switch to shut it down. Apart from the switch, the full power panel also comes with a volt meter that will enable you to monitor the amount of power being produced.There is as well a circuit breaker that controls the flow of energy and triple power outlets which source out the power created.

Highlighted Features

  • 3 power outlets
  • Heavy-duty steel frame
  • A 7HP air cooled motor
  • Produces 4400  watts maximum or 3500 watts continuous
  • Completely energized panel with an easy engine shut off switch
  • 20 hour runtime when using propane while 8 hours using gasoline
DuroMax XP4400EH, 3500 Portable Generator
DuroMax XP4400EH, 3500 Portable Generator

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 8.  Sportsman GEN4000DF, 3500 Running Dual Fuel

The first one from sportsman in our list is an ideal generator for homes, small business and outdoor events. It is both flexible and portable besides having impeccable advantages and features.

The GEN4000DF has a 7HP engine that is powerful and runs without making any noises and it runs below 69 Db. Besides, whether you have unleaded gasoline or propane gas, you will be able to power it. 

It is obviously flexible in terms fuel because of the availability and affordability of the fuel. With the durable GEN4000DF, clean propane comes out when burning. 

You will find this quite advantageous because, as you will be enjoying the energy it produces, you will in another way be conserving the environment. In the same manner, the 4000 watt dual fuel generator or sportsman dual fuel generator can make a wide range of powerful wattage. To be precise from 4000 peak watts to 3500 rated watts. There is also one outlet that lets you power everything you need to be using at the moment and this outlet is 120 volts RV.

The 12 volt DC outlet just lets you power the battery of the engine. With an impressive capability to handle more than 50% load, you will be able to enjoy continuous power for at least 10 hours. That’s when the provided gasoline tank is full to the brim. You can also light up to 12 hours if you have a 20-pound full cylinder of gas as like top rated dual fuel generator.

Just like any other generator from sportsman, when you buy this one, you get a 5-foot propane fuel hose that comes with a regulator which will protect both the generator and your electrical appliances.

Highlighted Features

  • 7 HP silent engine
  • Utilizes both propane and unleaded gases
  • 4000 watt peak and 3500 rated watt dual generator
  • A single 120 volt outlet and 12 volt DC battery charging outlet
  • 10 to 12 hours of run time depending on the amount of unleaded gas and propane respectively
Sportsman GEN4000DF, 3500 Running Dual Fuel
Sportsman GEN4000DF, 3500 Running Dual Fuel

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 9.  Smarter Tools ST-GP7500DEB, 6500 Dual Fuel 

Smarter tools understand their customers' needs. That is why they know we need a powerful generator that offers low maintenance cost like this one. 

To begin with, it is a hardworking and easy to use given any situation. When it comes to power, it taps from gasoline and propane. 

This is because both gases are readily available almost everywhere and they are also affordable. That is why it will come in handy whenever a blackout emergency pops up at work or on site. 

ST-GP7500DEB also offers you a variety of power outlets. To be specific they include; 120 volt 20A outlets which are four in number and can be connected to power many appliances. There is a single 120/240 volt 30A twist lock outlet, a 120 volt 30A twist lock AC and another 12 volt 8A outlet that is convenient for the generators battery charge. 

Besides, there is a built-in inverter and regulator. The smarter tools generator parts that is  inverter will charge the energy produced into electricity while the regulator will control energy flows by making them even. Additionally, with the great 13 HP 4-stroke self-cooling engine that runs silently producing no fumes, you will take home a magnificent generator to serve you for a long time. 

With a keyed electric start mechanism, the ST-GP7500DEB makes 7500 surge watts and 6200 watts continuous which are ideal power levels for home electric appliances like a fridge, pump, microwave, lights and many more other things you can think of. To top it all, the smarter tools dual fuel generators features an ergonomic handle kit that will make it easy for you to move it around. Similarly, there is a fuel gauge that will alert you whenever its time to add more fuel.

Highlighted Features

  • A shut off button.
  • Permitted by both EPA and CARB
  • Four convenient and functional outlets
  • Powerful 389cc 4 stroke air cooled OHV motor
  • High-quality overload protector for the generator and external appliances
  • A digital meter for easy monitoring of runtime and scheduled maintenance
Smarter Tools ST-GP7500DEB, 6500 Dual Fuel
Smarter Tools ST-GP7500DEB, 6500 Dual Fuel

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 10.  Sportsman GEN7500DF 7500 Portable Generator 

Toning down to the end of the list, we have another super convenient generator from sportsman. This one is ideal for camping trips in to the woods or mountain climbing. 

It will help you stay in a place where there is enough light for you to feel safe especially in the wilderness. It can use both propane and unleaded gas. Just pick one that is available to you at the moment. 

These are simple gases but the power they produce is huge and strong enough to power even a business company or a team building trip. It produces high wattage range of 7500 to 6000. The outlets as well are not left behind, they are four of them. 

Each of the outlets produces 120 volts. Besides, there is a 12 volt DC that you can utilize for battery charging and the 120-volt outlets you can use them for anything from lighting to machinery. Apart from running silently, this sportsman generator has other surprising added convenience. 

For example, when you buy it you get a free 5-foot propane fuel hose along with a strong regulator. All these will allow you to make good use of the generator in so many ways. The generator's engine also has an impressive running time of 9 hours and it just uses up 50% of 20lbs gas cylinder or a 6.2 gas gallon tank that has a flexible fuel gauge. 

It shelters recoil and electric start. This sportsman gen7500df also has a signal light that will warn you whenever the fuel runs low. When this happens, the wattage will not be affected it will produce equal amounts of power until the oil runs out so you can refill it.

Highlighted Features

  • 9-hour runtime
  • A continuous 7500 watt surge
  • Certified circuit breaker by EPA
  • An convenient engine shut of switch
  • A powerful AVR automatic voltage regulator
  • Four 120 volt AC outlets with a single 12 volt DC outlet
Sportsman GEN7500DF 7500 Portable Generator
Sportsman GEN7500DF 7500 Portable Generator

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Buying Guide The Best Dual Fuel Generators

There are many dual generators on the market today and if you need to buy one, picking the right one could be a challenging task. From beginner to expert level, you will always find one or two things confusing. That is why you need the following guide to simplify your search process.


When considering the size of a dual fuel generator, three things control this entity; quality, available room space and the amount of power you want to generate. Depending on the space you have left at home or at the office pick an ideal size that will fit, one that is of high quality and can power up all the appliances you have in mind.

Noise level

Most generators make noise especially the ones that use gasoline. In this case, it's a dual generator meaning it uses two types of fuels. This indicates that the noise level can be controlled. The noise level will also depend on the placement location. How far will it be from your house? Will the noise reach you and affect you in some way?

Power needs

Consider the amount of power you need to generate from the machine. This depends on the power input your intended appliances take in that is if you carry a portable propane heater or other machinery then think yourself about needful power . if it's at home, chances are you won't need high power output like in an office filled with machinery.


Consider how far your pocket is willing to stretch. Remember most of the modern dual fuel generators are affordable yet have high quality. So, when it comes to the cost of the generator, I suggest you stick to your budget plan, you will always find a suitable generator.


This consideration comes in handy when you know the purpose if your generator. If you plan to use it in outdoor events, you need a highly portable generator as like duel fuel generator. For home and office use, you can pick a less portable generator.

Watch Complete Video on Champion 3400-Watt Dual Fuel Portable Generator

Final Verdict

What most people won't tell you is that you need to keep your safety in mind while using a dual fuel generator. Safety may push you to buy a more expensive generator but just make sure it is the best dual fuel generator.

Though this top 10 generator or best dual fuel portable generator or dual fuel generators are extremely popular today, they run on affordable fuel and enable us to save a lot. They also make ideal power back up investment for a household or business for a long time.

Moreover, if you want to know more info. regarding generator then you can collect or visit these products are champion dual fuel generator, honda dual fuel generator, dual fuel generator costco, dual fuel inverter generator reviews, quietest dual fuel generator, generator dual fuel, dual fuel generators for sale, dual fuel inverter generator, generac guardian 7043 durostar ds4000s, westinghouse wgen7500 and ford dual fuel generator indeed!!

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William Jones

I launched this blog as a product reviewer and passionate blogger. Beside provide advance material, guiding you towards a better home and outdoors gears essentials reviews. I devote my maximum time creating research-based product recommended to you for an easy pick.