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Top 10 Best Dual Fuel Generators – Essential Reviews in 2021

A generator is an incredible machine that will help you get a convenient power backup when there is no electricity. Investing in the best dual fuel generators can be a great idea. These are generators that work using two types of fuel like propane and gasoline or natural gas. The main benefit of having a dual fuel generator is the flexibility it provides and operational costs.

Generators are a perfect source for electricity when the main power supply is down and not working. Portable generators can also be your companion during your outdoor trips. With such a generator, you are sure that the electronic devices in your package won't go off since there is consistency in power supply. It is a challenge to find the right dual fuel generator without the actual information. We are here to guide you to make the right decision by choosing a generator that suits your varying power needs.

Whatever your rationale for purchasing a portable generator, there are weighty aspects you need to put into considerations. While any generator can satisfy your power needs, a dual fuel generator goes the extra mile to give you continuous power since it can run on either Propane or gasoline. With such a fantastic feature, these generators are the perfect choice for air conditioners and heating systems simultaneously.

The 10 Best Dual Fuel Generator of 2021 - Comparison Table

Top 10 Best Dual Fuel Generators To Buy in 2021 - Reviews

If you have a home, it is important to consider having items like lawn sweepers to maintain a neat home. You should also have nice power backup in case you experience prolonged power outage. The following are reviews of top rated dual fuel generators that you can pick.

Champion 3400-Watt Dual Fuel RV Ready Portable Inverter Generator

What about gifting your family with a portable generator with an electric starter? Champion 3400-Watt Dual Fuel is the right generator to have the work done. Apart from having a particular RV outlet, this generator is also parallel, ready to run for more hours. It is a portable generator that can help your good company, especially during your outdoor trips. The sizable wheels and size make this champion 3400 watt dual fuel generator easy to handle and transport.

Champion 3400 has a larger gallon gas tank that makes it suitable to run for an extended period. You can decide to use either gasoline or Propane. You can easily switch fuels by a simple dial to use either gas or Propane during operations.  With an output of 3400 watts, the dual generator can cover most of your family power needs since it is sturdy and hard to replace.

Unlike the older versions, Champion 3400 comes with an electric switch for the easy startup of the machine. This best dual fuel generator start has a battery with a design of cold start technology to ensure that you don't experience problems when starting the engine in cold seasons. Interestingly, this champion 3400 dual fuel inverter generator as well as portable generator has a low-oil shut off sensor that switches your machine off when oil is low.

Highlighted Features

  • Lightweight dual fuel generator making it highly portable.
  • Quite operations perfect for home universal home use.
  • Touch Panel for quick access of controls in one part.
  • Generator has a power output of up to 3400 watts.
  • Electric starts switch with batteries for easy control


  • Quiet operations and provides up to 7 hours of run time
  • It features an electric start that has a 3-position ignition switch
  • Lightweight so you can easily carry it from one point to the other
  • The generator is hghly versatile and features a longer engine life
  • It is a dual fuel generator that is fuel efficient and designed to last


  • It would be better if the generator had a remote start

Westinghouse WPro8500 Super Duty Industrial Portable Generator - 8500 Rated

Finding a dual fuel generator with low maintenance costs may be a hard nut to crush. But with Westinghouse WPro8500 Super Duty generator, you are confident that your budget is in consideration at the first place. Since the olden days, Westinghouse products have prestigiously stood on top due to their high quality. In this case, this generator is a supermodel who is sturdy and works with your budget since it requires low maintenance cost.

The machine has color-coded buttons and a versatile fuel selector switch to instruct you on how to operate the machine. Following the guide will allow you to run the generator without errors or limitations efficiently. Also, the device comes with an automatic low oil sensor switch to power off the generator when the level of oil is low. Indeed, you will enjoy the operations of this machine because it is heavy-duty with an enclosure and cast iron sleeve that guards the whole unit.

Unlike its counterpart, the machine comes with a muffler for quiet functioning of the generator. It is also the best solution for environmental conservation due to its low emissions. Westinghouse WPro8500 is a supermodel that is portable for use in commercial and industrial purposes. It is also convenient for use during backpacking trips and home use.

Highlighted Features

  • The generator is reliable and offers a universal use.
  • Has dual fuel and can use both gasoline and Propane.
  • Full panel. You are ensuring protection and safety reasons.
  • Has a free electric start switch for easy startup for ease of use
  • It has a lifting hook for easy transportation to various place


  • Easy startup that provides an easy ignition from a distance
  • Easy to set and features a lifting hook to make your work easier
  • It is fuel-efficient and suitable for your whole house
  • High-performance dual fuel generator with a smart idle
  • The generator provides an engine run time of 17.5 hours


  • There are concerns with the quality controls with this tool

Champion 3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start

Do you need a generator that gives you a classic combination of versatility and convenience? Try Champion 3800 Dual Fuel Generator. Whether you need it for your home or industrial use, the machine gives you the power that you haven't experienced before. Champion generators are infamous due to their high efficiency that lights up your life than ever.  Champion 3800W dual fuel generator comes with enough power to run a higher BTU RV air conditioner.

Also, this machine can power other essential electronic devices in your apartment without any demerit. It includes an electric automatic start with a battery. Besides, this battery has a cold start technology to ensure that the quick machine starts even in a cold climate. With this machine, your safety is the main priority. You can be able to operate the device in the box of gasoline and Propane. We can ascertain this by the fact that it has a full selector switch that ensures safe switching between Propane and gasoline.

Moreover, this champion duel fuel generators are budget-friendly because of the low maintenance cost. Also, you can easily monitor the power output hence controlling the level of fuel usage. By tracking the voltage, you can easily calculate the run-time hours. The machine features quite a fantastic feature. It includes several power outlets where you can connect your household devices.

Highlighted Features

  • It is an efficient dual fuel with both inlets
  • It features a powerful engines with a touch start
  • Consists of a manual on how to operate with ease
  • The machine has several power inlets for your appliances
  • The generator includes flat tires for easy transporting


  • The generator provides up to 9 hours run time
  • Easy to start and it offers a quiet operation
  • The generator can run on gasoline or propane fuel
  • It comes with a manual to make your work easier
  • Features a push button electric start and comes with battery


  • Great if the fuel tank would have been larger

Westinghouse WGen7500DF Dual Fuel Portable Generator - 7500 Rated Watts

In case you haven't tried Westinghouse machines, it's high time you have a taste for one. Indubitable, Westinghouse WGen7500, is the top product in design among the devices of its manufacturer. With 7500W, the dual fuel generator is potent to cover the power needs of your entire compound. The machine has a Volt guard in-built to protect it from overloads hence keeping the generator safe.

Among the family, this machine is the easiest to operate and the most portable. The generator westinghouse has dual fuel powered with durability and functionality as the primary critical focal point. Also, you don’t need to worry about maintenance since the machine is not easily prone to damages and other factors that may limit the efficiency of the whole system. Furthermore, the generator requires less assembly since you can operate it just right out of the box. Westinghouse WGen7500 portable generator has a larger fuel tank making it a full duty machine.

The dual fuel generator or westinghouse generator 7500 has got other amazing features like an in-built fuel gauge, which protects your generator by consistently checking out the level of the oil. In case the level is low, the machine will automatically shut down to prevent internal damages. Also, to make it suitable for heavy-duty appliances, the engine features a twist-lock outlet which is necessary for your electronic devices.

Highlighted Features

  • Digital hour meter to regulate fuel usage perfectly
  • The generator is designed with a large fuel tank
  • Volt guard to protect the generator against overload
  • Automatic, easy fuel switching making it easy to use
  • Remote startup key start the machine even at longer distances


  • Highly maneuverable from one place to other
  • Features an electric push button start that has a remote
  • Powerful engine and has a low oil shut down feature
  • Fuel efficient and meets requirements of CSA, CARB and EPA
  • Easy to assemble and the package comes with everything that you need


  • The generator is a bit noisy as compared to others

Are you a fan of the Champion's machines? The champion company produces beautiful machines with unique features to attract any interested customer. The Champion 7500W dual fuel generator is very portable and reliable for different tasks in your homestead. The device can reach a maximum of 9375W, making it very powerful for power output. It is also rated 7500W on gasoline and 6750 on Propane. With such power, the machine can run your TV, lights, Security system and perform other tasks.

The engine of the machine is cast iron with additional protection from the sleeve. Considering that the generator can use both Propane and gasoline, it can extend hours with quite a fantastic power strength. Moreover, the machine comes with an electric start with battery for a smooth startup of the generator. To the package, there is an additional feature, which is a handy toggle switch. With this super dual fuel generator, you have full protection against overload. The machine comes with oil sensors, which will automatically switch off the power supply in case the level of the oil goes down.

For easy transport, this champion 7500 watt generator comes with a flat wheel making it sturdy and steady simultaneously. Full efficiency is the key focal point of this generator. Also, the machine has several power outlets to connect your various devices and tools. Champion 7500W dual fuel generator is safe and easy to operate.

Highlighted Features

  • It features a cast iron engine with maximum power
  • Voltage track to prevent overload for safety purposes
  • Has flat wheel for easy transport of the machine
  • The generator has an electric start for easy startup
  • Oil sensors switch off the system when the oil is low


  • Powerful generator that uses either propane or gasoline
  • Durable so it will serve you for many more years to come
  • Easy to start since it has an electric start and has a battery
  • It features a tubular steel frame to enhance its durability
  • Easy to keep track of the voltage and monitor power output


  • The generator maintain regularly after use 

DuroMax XP12000EH Dual Fuel Electric Start Portable Generator, Blue & Black

Ensure a stable and constant supply of power to your home or office with a DuraMax dual fuel generator. The model XP12000EH also known as the beast, offers a standby power supply at all times. Its reliability enables easy transportation to a safer place in case of bad weather. Comfortable transportation is due to the wheels at its bottom. The user chooses the fuel to use between propane and gasoline because of dual-fuel technology.

The frame of this generator is of high-quality metal materials. Safety remains vital when using this generator. The control panel has circuit breakers and a voltmeter that ensures the safety of appliances plugged in. Features such as low oil indicator and idle control also on the control panel ensure the safety of the generator itself. The frame consists of a wholly isolated motor mount plus an oversized noise-reducing muffler, guaranteeing smooth and silent operation.

Compared to other generators, a 457cc and 18HP engine runs this generator. The engine supplies equally a fully loaded panel enabling the user to draw up to 12000 watts of power. DuroMax's unique MX2 switch feature allows doubling of the120-volt amp when dealing with heavy loads. Maximum power attained from each of the 120-volt receptacles. Using both 120 and 240 volts at the same time is possible because of the maximum force generated. Moreover, the duromax xp12000eh parts are available in the market. 

Highlighted Features

  • Has a push handle and rollers for easy transportation
  • Dual fuel technology offers no stress in choosing the fuel
  • The frame has four corners for easy mounting of motors
  • Excellent run time 10 and 5 hours on gasoline and propane
  • Delivers maximum power output allowing usage on heavy-duty load


  • Runs on propane and gasoline hence giving you flexibility
  • Relatively quiet and has more power to for heavy loads
  • The generator is easy to transport in different terrains
  • Environmentally friendly and features a durable construction
  • Reliable fuel source and has a low oil indicator and idle control


  • Can't operate well with natural gas
  • The generator does not have an electric starter
DuroMax XP12000EH Dual Fuel Electric Start Portable Generator, Blue & Black
DuroMax XP12000EH Dual Fuel Electric Start Portable Generator, Blue & Black
Engine Type: 4-Stroke; Please read the detailed safety instructions in the manual before operating.

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When operating on a restricted budget to get power problem short, the Sportsman generator is the answer to this. It is cheaper when compared to other types of generators. It uses both unleaded gasoline and propane gas making it more reliable when it comes to fuel selection. Since safety is paramount in every equipment design, the generator model comes with a 5-foot propane fuel hose with regulators offering protection to your electrical appliances and the generator too.

The generator is environmentally friendly. This is due to the powerful 7HP engine with less noise that is used to power the generator. Also, only clean propane is released to the environment when using this generator model. The generator has four 120 volt outlets and a single 120 volt RV outlet making it powerful to manage most construction, domestic, and recreational activities. A 12volt DC outlet enables battery charging also found on this generator.

A sportsman generator offers a more extensive range of power wattage that is from 3500 to 4000 watts. This model can handle more than 50% of the load. Adding to charging ability, the 120 volts RV outlet powers everything needed for use instantly. It offers power continuously up to 10 hours when the gasoline fuel tank is full. An additional two hours of light are possible with 20 pounds of the gas cylinder. Moreover, this sportsman 4000 watt generator reviews help to make a right decision for purchase.  

Highlighted Features

  • It has a 7 Horsepower engine which is not noisy
  • Ease to use both propane and unleaded gasoline
  • Multiple outlets i.e. four 120V,120V RV and 12V DC
  • Better run time of 10-12 hours depending on fuel amount
  • Comes with a one-year limited warranty from manufacturers


  • Easy to use and it comes with a regulator hose kit
  • Has electric starter so you will not have problems starting it
  • Low noise level and low fuel consumption makes it efficient
  • Environmentally friendly and has a run time of 10 hours
  • The generator operates on both propane and gasoline and it is fuel efficient


  • Changing the oil is a challenge to many users

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DuroMax XP4400EH Dual Fuel Electric Start Portable Generator, Blue and Black

Thinking of powering your RV when on a road trip and running your appliances during power shortage situation, DuroMax XP4400EH got you covered. This generator ensures a cleaner environment, mostly using propane. Propane is affordable and easily stored for a longer time. Because of its hybrid feature, the generator can produce much energy and easy to transport. Because of its portability. The electric start option on the panel makes it easy to get it running.

In addition to propane, this generator uses gasoline. This dual fuel feature allows easy and faster switching between propane and gas. It is very comfortable and flexible because of the air-cooled 7HP Durostar engine that runs it plus low oil shut off feature it has. One can easily control the amount of power generated using the organized control panel of this generator. Energy flow control is easy with the circuit breaker on the board.

The generator has high-quality, heavy-duty steel frames. This frame offers support to all vital parts of the generator and easy mounting of the motors. Suitable for use in public places because of its low noise level. Quiet mufflers and the idle control reduces the engines' RPM automatically when not in use, thus ensuring minimal noise. It offers a much longer run time of up to 20 and 9 hours when using propane and gasoline, respectively.

Highlighted Features

  • Bigger tank capacity giving 9 hours run time on gasoline
  • Heavy-duty steel frame offering generator and user safety
  • Compact control panel helping to monitor power and energy flow
  • Three power outlet options enable efficient supply to appliances
  • Maximum power generation of 4400watts allowing multiple task management


  • Easy to start and has a user manual to guide you
  • Low noise and features a very powerful engine
  • It is made of quality materials to last longer
  • The generator can power everyone everywhere
  • Provides more power to handle multiple jobs


  • Bolts and nuts attaching the handle would have been more

Pulsar Non-CARB 10,000W Dual Fuel Switch & Go Technology & Electric Start

Running large electrical appliances and electronic devices using a backup power supply is much more comfortable with this dual fuel generator model. The generator produces a maximum power of 10kW. Various power output ranges starting with 8kW and 7kW when running on gasoline and propane fuel respectively makes it more reliable in case of a blackout. The generator runs on a 420ccanda15HPengine.This makes it generate much power suitable for domestic and commercial use.

Electric start and recoil start options plus fuel selector switch ensures ease of starting and generator usage. Switching between the fuel options is easy due to the switch and go transition feature. A continued power supply is possible since it does not require putting off the generator once running. A low oil sensor enables you to know when to add oil to the engine of the generator. Circuit breakers and overload protection features ensure safer in all aspects.

Long-lasting steel frames are used to build this generator. The frame is steel coated to prevent it from rusting. It also ensures the engine is well protected. In case bad weather strikes, it’s easy to move the generator to a safer place of usage. Its elevated solid wheels, and hinged drop-down handles ensure ease of maneuvering to storage or using the site, respectively. The large fuel tank of 6.6 gallons offers a longer run time compared to other generators. Moreover, this pulsar 10000 watt generator reviews help to pick the perfect one soon no doubt.

Highlighted Features

  • The large fuel tank offers a longer run time
  • Comes with electric key start plus recoil backup options
  • Have a switch and go feature enabling continued operation
  • Comes with propane hose for faster and secure hooking
  • Multiple power outlets for running many devices simultaneously


  • The generator has a large 6.6 gallon fuel tank
  • It is easy to switch from gasoline to propane fuel
  • It provides you with up to 12 hours of continuous use
  • Has an electric push start and starting the unit is simple
  • Has a durable powder coated steel frame for durability


  • Need to improve inconsistent power output 
Pulsar Non-CARB 10,000W Dual Fuel Switch & Go Technology & Electric Start
Pulsar Non-CARB 10,000W Dual Fuel Switch & Go Technology & Electric Start
10, 000W peak 8000W rated (gas)/ 9000W peak 7000W rated (LPG)

Firman H08051 Electric Start Gas or Propane Dual Fuel Portable Generator

Compared to other generators, the Firman H08051 generator is more flexible when facing any frustrating situation. This generator model runs on a 439cc Max Pro Series Fireman engine offering efficient and cool running. It generates power of 10,000 starting watts and 8,000 watts when running on gasoline. It also delivers the power of 9050 starting watts and 7250 watts when running on liquid propane gas. The dual-fuel feature offers flexibility during emergencies and even on the road.

This generator is easily moved to a required place. This is because it comes along with a wheel kit having ten inches solid wheels. A u-shaped padded handle with ergonomic grips enables pushing quickly. It produces constant and clean power output because of the power stream alternator and automatic Volt lock regulators, respectively. The clean energy produced makes it environmentally and user-friendly. It is more portable making it easy to move to any desired place of usage. 

It is considerably cheaper though made of quality steel materials. The generator has a larger fuel tank of 8 gallons, ensuring longer runs time of up to 12 hours. It is simple to start with a push-button. Long propane regulator hose provides comfort when using on bigger tanks of propane. It uses noise muffler from Whisper Series, which ensures the quiet running of the engine. Running at 74 decibels, this firman generator parts much safer for the environment.

Highlighted Features

  • The generator has a push-button for easy starting
  • Has wheel kit and padded handles for easy maneuverability
  • Dual fuel feature making it flexible when choosing the fuel
  • This dual fuel generator has extended propane hose 5.5 feet
  • Comes with Whisper Series muffler producing shallow sound


  • Powerful dual fuel generator that gets the job done
  • The generator has an electric start and it is easy to use
  • It has a fuel capacity of 8 gallons and 12 hours run time
  • It is designed with an ergonomic and padded handle for comfort
  • Designed to handle emergencies at jobsite, ranch, farm among others


  • The tires do not roll perfectly on thick grass
Firman H08051 Electric Start Gas or Propane Dual Fuel Portable Generator
Firman H08051 Electric Start Gas or Propane Dual Fuel Portable Generator
Dimensions: 29.9" L x 27.5" W x 26.1" H; Delivers true 30A & 50A power; Electric start | 8 gallons 12 hours

Buyer's Guide: How To Choose The Best Dual Fuel Generator

When you are buying almost any product on the market today, you need to think about some important aspects. It doesn’t matter if you are buying a garden sprayer or any other product. The following tips will help you select a quality dual fuel generator or generator dual fuel that will serve your needs.


If there is something you need to check first before purchasing your machine, is the price. Dual fuel generators vary in price and the cost of maintenance also. Working on the value and price you can easily afford is of importance to any other purchase. Indubitable machines with higher power output are more expensive in terms of price and cost for maintenance.

In line with that, machines with higher costs have a higher level of excellence. But also you can find a cheaper generator with maximum efficiency. So whatever your motives, first look at your budget and choose a generator that will suit your pocket.

Power Output and the Size of the Generator

Size is another crucial factor you need to put into consideration when choosing a dual fuel generator. Most of the best models of portable generators are large and weighty, but that does not mean the small models are not of good quality. You can find a relatively small generator with amazing features and pocket-friendly. Since most dual fuel generators are portable, you need to consider the wattage.

The power output of dual fuel generators varies as per the model. Choose a generator that can serve all your needs; that is, a generator that can work on your entire homestead without limitations. Generators with higher power output are quite big but still come with a better cost also.

Fuel Storage and Temperature

Here comes another critical factor you have to contemplate when getting your package. Gasoline is the standard choice for many dual fuel generators since it is budget-friendly. The only negative bit of it is that the gas cannot last for an extended period due to its shelf life, making it evaporate as heating continues.

On the other side, Propane can last for long since it cannot quickly disappear. The only shortcoming with it is the fact that it contracts under 40-degrees F, causing a fall in pressure in the propane tank. Dropping in pressure means that you will experience some challenges when starting the generator because the level of pressure in the tank is low.

Quite Operations and Maintenance

Choose a dual fuel generator that is neighboring friendly. Purchase a portable generator, which is as quiet as possible, giving both you and your neighbors enough chance to carry up conversations. Additionally, a good dual fuel generator should be easy to maintain. As compared to other models, dual fuel generators are easy to repair so you should pick the right model that will make your work easy.


This is one of the main reason that makes dual fuel generators common among many people. They offer multi-purpose use giving you the chance to use either propane or gasoline fuel as like firman power dual fuel generator 7500 or firman 7500 . With a dual fuel generator, you can be sure of reliable power output all the time.

Frequently Asked Questions

Q: Which is the best size for a dual fuel generator?

A: The size of a portable generator is a very crucial factor to consider. The size determines the power output of the generator plus the wattage of the machine. In short, size can affect the efficiency of your generator. In case there is a constant power supply breakdown in your homestead, you need to calculate the list of all your appliances and electronic devices that require power. With this, you can come out with a comprehensive total breakdown of wattage you need to power all your tools. Also, by doing this, you can quickly come out with the size of the generator you need.

Q: Which is the most efficient fuel type? 

A: Dual generators use different types of fuels. If you want to measure the efficiency of the generator, looking for the kind of fuel the machine is using, many describe Diesel as the most efficient fuel, but you cannot find it in many types of generators. Propane, on the other hand, is the second most efficient, and you can find it in different kinds of generators. The most famous fuel of generators is gasoline. It is cheap hence prevalent. The reason why statistics refer to dual-fuel generators as the best models are their ability to operate both in gas or Propane. You can effortlessly switch the type of fuel you want to use by just a single tap.

Q: Can I use dual fuel generators for my laptop?

A: Before using a dual generator to power sensitive devices, you need to consult the manual first. In the specifications, there is a part with an indication of a sine wave. If the AC output is a pure sine wave, you can be free to use the generator on any device. But if not, keep your sensitive devices away from the use of the generator.

Watch the video of Portable Inverter Generator: Champion 3400 Watt Dual Fuel RV Review

Credit for this Video - Bobby Walker

Final Thoughts

To finalize, we have ideally given the reviews for each dual fuel generator in the best way to enlighten you more about the specifications of each. Dual fuel generators are by far the most influential models of generators in the market today. We have chosen among the best to guide on whatever you need to know about them. Without a doubt, all the machines we have reviewed are the best when it comes to power output and efficiency.

All the models of dual-fuel generators in our list are the best machines to equip your home with since they are quiet and have low emission. It means that they are environment-friendly and at the same time, your best companion during hiking trips. You cannot compare dual fuel generators with other variants since they are economical and have easy maintenance. We recommend you consider buying one of these models to experience a peaceful duration of consistent power supply without blackout.

The reason why we say these variants are suitable for backpacking is that they are portable. All the machines we have reviewed have quality tires for easy transporting. Moreover, they all come with an electrical start switch with battery. These batteries have a design of cold technology, making them functional even in cold weather. Due to their durability, we suggest you purchase the best dual fuel generators from our list to serve you for an extended period without any limitation. Also, once you buy any of these generators, you are assured of effectiveness that you won't find in other series of generators.

Moreover, if you want to know about related product then you can check these products are dual fuel generator reviews, best dual fuel portable generator, best dual fuel inverter generator, dual fuel portable generators, champion 3800 dual fuel generator reviews, firman dual fuel generator 7500 reviews, dual fuel generator inverter, dual fuel home generator, dual fuel electric generators, sportsman 7500 watt dual fuel generator reviews, generator dual fuel, dual fuel generators for sale, best dual fuel generator reviews, inverter dual fuel generator, etc. indeed !! 

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Rovert Valle

Hello, I started my blog as the latest product reviewer and a regular blogger. Beside add lucrative and advance material as well as guide the top 10 trendy products for you the honorable people.

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