Best Dual-Fuel Generators Reviewed in Detail

Top 8 Dual-Fuel Generators – Don’t Depend on Just One Fuel Type!

26 Generators Considered
59 Hours of Research
3 Experts Interviewed
195 Reviews Analyzed

Whether you own a home, an RV, are a contractor, or just like to go camping, you know how important a good generator is to have around. These amazing machines make it, so you don’t have to worry about the power going out or not being able to use your favorite devices. If you really want to step up the level of versatility that your generator can offer you, it is a good idea to get the best dual-fuel generator you can. That way, you will be able to use either propane or gas to power it.

As with any big purchase, however, there are lots of different factors you need to consider when you are looking for this type of generator. When we were putting together our review, we made sure to look at the power output for each generator based on the fuel type. We also looked at the tank size and running time, so we would know how long it could run and how much fuel each generator could hold. Finally, we took the engine type and amount of noise it produced into account since this helped us decide the types of applications that the generator would be good for.

Top 8 Dual-Fuel Generators Review 2019

To put together our comprehensive list of the best duel-fuel generators available, we spent tens of hours reading through hundreds of user reviews. We then took the time to do in-depth reviews of each generator, so that you would be able to find the best model for your needs. If you aren’t quite sure what to look for yet, you can read through our detailed buying guide, which will give you all of the info you need to find the best dual-fuel generator you possibly can.

Image and Rating
Name and Features
Price
9.8
1. Westinghouse WGen7500DF
Editor’s Choice
Editor’s Choice

A model with which you have it all – it’s powerful, easy to start with electric, remote, recoil starting systems, long runtime, and a variety of outlets

9.6
2. Champion Power Equipment 100296
Best Dual-Fuel Portable Generator
Best Dual-Fuel Portable Generator

A conventional dual-fuel generator with the highest power output and electric start

9.6
3. Champion Power Equipment 100263
Best Dual-Fuel Inverter Generator
Best Dual-Fuel Inverter Generator

An inverter generator with a long runtime on propane, which is also much quieter than conventional and more fuel-efficient than conventional generators

9.4
4. Ford FG7750PBE
Best Dual-Fuel Survival Generator
Best Dual-Fuel Survival Generator

A generator that shows barely any power output drop off between gasoline and propane and a long runtime on both fuel types

9.2
Budget Pick

An extremely powerful yet budget-friendly generator with high efficiency on both gasoline and propane to power everything you need

9.0
6. Pulsar Products PG10000B16
Best Dual-Fuel Generator for Camping
Best Dual-Fuel Generator for Camping

A powerful and affordable generator which is easy to start and easy to move thanks to its durable wheels and foldable handles

8.8
7. Sportsman GEN7500DF
Best RV Dual-Fuel Generator
Best RV Dual-Fuel Generator

An easy-to-start generator boasting lots of outlets, including one RV ready, a circuit protection system, and producing enough power for your vehicle

8.6
8. DuroMax XP12000EH
Best Dual-Fuel Generator for Home Use
Best Dual-Fuel Generator for Home Use

The most powerful generator on our list, this model boasts of a large tank and a long runtime at half-load, which is great if you want to back up your home

1.

Westinghouse WGen7500DF Editor’s Choice

Features
  • Peak/rated watts (gasoline): 9,500/7,500
  • Peak/rated watts (propane): 8,550/6,750
  • Engine: 420cc Westinghouse OHV
  • Fuel tank: 6.6 gal.
  • Gasoline runtime: 16 hrs. (25% load)
  • Propane runtime: 11 hrs (25% load, 20 lb. tank)
  • Start type: electric, remote, recoil
  • Noise level: 74 dBA
  • Warranty: 3-year (residential), 1-year (commercial)
VIEW ON AMAZON

If you are truly looking for the very best dual-fuel generator, then you should definitely check out this model. First of all, it is extremely easy to start. You can either use the electric start switch that is right on the machine, or you can use the remote control that it comes with. No matter what, both of these starting options are as easy as could be, helping to make this such an easy system to get used to using. You just need to be certain to keep the battery charged, as it won’t start without it, and there is, unfortunately, not a manual way to start the generator.

Another big factor in why we feel that this is such an outstanding dual-fuel generator is the amount of power that it can produce, regardless of the fuel type that you decide to use. While lots of other models have a difficult time creating enough power if you use propane, this generator doesn’t suffer a big drop off in power production between gas and propane.

Finding an adequate number of outlets is also not going to be an issue with this particular generator. It has loads of them, so making sure that you have enough to back up your home, RV, or next camping trip shouldn’t be too much of an issue. The only real problem that might limit how effective this generator is for some activities is its noise level, which is louder than some other generators. Otherwise, this is a great option, and we highly recommend that you check it out.

Pros
  • High wattage for both fuels
  • Large fuel tank
  • Long warranty
  • Long runtime
  • Electric and remote start
  • Large number of outlets
Cons
  • Loud
2.

Champion Power Equipment 100296 Best Dual-Fuel Portable Generator

Features
  • Generator type: conventional, dual-fuel
  • Peak/rated watts: 9,375/7,500 (gasoline), 8,400/6,750 (LPG)
  • Volts: 120/240
  • Engine: 439cc 4-stroke
  • Fuel tank: 6 gal.
  • Run time: 8 h (50% load, gas), 5.5 h (50% load, LPG)
  • Outlets: 120/240V 30A Locking (L14-30R), 120V 30A Locking (L5-30R), (2) GFCI 120V 20A Duplex (5-20R)
  • Start type: recoil, electric
  • Noise level: 74 dB(A)
VIEW ON AMAZON

If you’ve ever dreamt of owning a generator with over 7000 watts, we’re glad to inform you that you’ve just found your dream generator. Apart from coming with 7,500 watts, the Champion 7500-Watt Dual Fuel Portable Generator also features an option of both propane and gas as fuel. With a six-gallon gas capacity, this generator is capable of running up to eight hours consecutively on a full tank when you’re running it on a 50 percent load. If you’re running it on propane, this inverter is capable of running up to five and a half hours. And with starting and running powers of 9,375 and 7,500 watts respectively, you can be assured about the power of this machine.

Not only that, but the generator holds oil up to 1.2 quarts, and it also features a low oil shut-off sensor that automatically prevents it from starting when it’s low on oil. However, one of the downsides of this machine is its rather loud operation, which is one area where this model is edged by other models.  Just like other Champion generators, this inverter also has a simple setup, and you can even set it up just by reading its manual. As suggested by its name, it also has a dual-fuel feature that helps it to operate on two types of fuel – propane, and gas.

Furthermore, a volt guard has been built into this generator to help handle any sudden decrease or increase in the voltage. Also, there is a Touch start feature with a charger internally to charge the battery during operation. To eliminate any doubt in your mind and feel the full support of the manufacturer, the generator also comes with a three-year warranty and lifetime technical support, which is awesome for such a powerful generator under $1000.

Pros
  • Dual fuel generator operates on both gas and propane
  • Powerful output
  • Touch start
  • Comes with a three-year warranty
  • Automatic oil-sensor
  • Volt guard
Cons
  • Loud operation
3.

Champion Power Equipment 100263 Best Dual-Fuel Inverter Generator

Features
  • Peak/rated watts (gasoline): 3,400/3,100
  • Peak/rated watts (propane): 3,060/2,790
  • Engine: 192cc 4-stroke Champion
  • Fuel tank:6 gal.
  • Gasoline runtime: 5 hrs. (25% load)
  • Propane runtime: 5 hrs. (25% load)
  • Start type: recoil, electric
  • Noise level: 59 dB(A)
  • Warranty: 3-year limited
VIEW ON AMAZON

Dual-fuel generators are, for the most part, extremely loud machines. This can make them at the very least annoying to have running nearby, or even dangerous to your hearing. This is, thankfully, not the case with this generator from Champion. It is an inverter generator, making it extremely fuel efficient and especially quiet. It is also a very safe system to use, as it has a low oil shut off sensor and is EPA certified.

While inverters do not produce quite as much power as a conventional model, they are much quieter, making them a great option for use in close proximity to people. For instance, if you were going camping, this generator would be a great option, since it is no louder than a quiet conversation in a full restaurant.

As an inverter style generator, this model is also very lightweight and easy to move from place to place. This portability makes it great not only for camping but also for use around the house or work site. If you have a light amount of power equipment that you want to keep running on the go, then this generator is a great option.

Something to keep in mind with this generator is the type of fuel that you choose to use. Unlike many other gasoline and propane generators, this model has a much longer run time on propane than on gas, though gas produces more power than propane. Regardless of what fuel type you choose to run it with, it is very easy to start. You can either choose to use the pull cord start or the electric start button. Of course, you will need to keep the battery charged and ready to go to use the electric start.

Pros
  • Lightweight
  • Easy to start
  • Very quiet
  • Long warranty
  • Low oil shut-off sensor
  • Long run time on propane
  • EPA Certified
Cons
  • Low power output
  • Short gas run time
  • Small fuel tank
4.

Ford FG7750PBE Best Dual-Fuel Survival Generator

Features
  • Peak/rated watts (gasoline): 7,750/6,250
  • Peak/rated watts (propane): 7,500/6,000
  • Engine: 420cc single cylinder 4-stroke OHV air cooled
  • Fuel tank:6 gal.
  • Gasoline runtime: 5 hrs. (50% load)
  • Propane runtime: not specified
  • Start type: electric, recoil
  • Noise level: ≤76 dB
  • Warranty: 2-year limited on parts, 1-year limited on labor
VIEW ON AMAZON

If you are someone who likes to be prepared for emergency situations, then you know how important a good generator can be. You also understand that in order to maximize the chances of survival in these situations, you need to be sure to have a generator that can produce as much power as possible, regardless of the type of fuel that you can get your hands on, which is why this is such an intriguing option for a survival dual-fuel generator.

To start with, what makes this particular generator so unique is that there is barely any difference between the amounts of power it can produce based on the type of fuel you choose to use. In fact, there is only a 250-watt difference between what it can produce running on gas in comparison to propane.

One thing that might limit the effectiveness of this generator is the fact that it can be a bit tricky to move around. Though the handles can fold up or down, the wheels are not very large, which makes moving it over rougher terrain somewhat difficult.

This generator also has a very long runtime, which also helps to make it great for emergencies. One of the reasons that it can run so long is that it has a system in place that is designed to keep the engine from overheating during operation, which helps to increase the efficiency with which it can run. Add in the fact that it can be started manually or with an electric start, and you can see that this is a great generator under $1000 for use in an emergency.

Pros
  • Air cooled engine
  • Barely any power output drop off between fuel types
  • Easy to start
  • Long runtime
  • Handles fold up and down
Cons
  • Loud
  • Difficult to move
Features
  • Fuel type: gasoline and propane
  • Peak/rated watts: 10,000/8,000 (gas), 8,500/7,000 (LPG)
  • Engine: 420cc OHV Air Cooled
  • Fuel tank: 6.6 gal.
  • Runtime: 11 hrs. (50% load)
  • Outlets: (2) 120V Duplex AC, (1) 120/240V Twist-Lock, (1) 12V DC
  • Start type: electric, recoil
  • Noise level: 76 dB(A)
  • Warranty: 1-year limited
VIEW ON AMAZON

Generators are, for the most part, relatively expensive. That isn’t to say that the more expensive models are automatically the best. That is especially not the case with this model, which is quite budget-friendly as far as a generator goes. Even though it doesn’t cost as much as many others, it still is a quality product, especially if you are looking for higher power output.

In fact, this model offers one of the highest maximum power outputs of any of the generators that we found, making it ideal for pretty much any application, as long as you can stand the high noise level. It would be a perfect backup to a whole home or for use on a job site, especially when you consider the number of outlets that it comes equipped with and how easy it is to start.

One thing that you will want to keep in mind if you do choose to purchase this model is the disparity between the run times it can offer you should you choose to run it with propane rather than gasoline. When running on gas, this generator has a nice long run time. This is, unfortunately, not replicated if it is run with propane. In fact, it is over three hours shorter, which is pretty significant.

Even though this is a cheaper generator, it is still built to last. It is EPA certified, so you can rest assured that it runs clean. The engine is also air-cooled to keep it from overheating. The only real design flaw is the handles. They are extremely flimsy, which makes them difficult to use effectively. As such, you might have a tough time getting this generator into position, especially on rougher terrain.

Pros
  • High maximum power output
  • Air-cooled engine
  • Long runtime for gas
  • Easy to start
  • Lots of outlets
  • EPA certified
  • Budget-friendly
Cons
  • Loud
  • Flimsy handles
  • Shorter run time for propane
6.

Pulsar Products PG10000B16 Best Dual-Fuel Generator for Camping

Features
  • Peak/rated watts (gasoline): 10,000/8,000
  • Peak/rated watts (propane): 9,000/7,000
  • Engine: 420cc OHV
  • Fuel tank: 6.5 gal.
  • Gasoline runtime: 8 hrs (50% load)
  • Propane runtime: not specified
  • Start type: recoil, electric
  • Noise level: 75 dB(A)
  • Warranty: 2-year

 

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One of the most common reasons that people start to look for a generator is because they want to take it camping. That way, they can still enjoy lots of technological comforts while they are “roughing it” on vacation.

This generator is a great option for camping for a variety of reasons. The first being that it offers plenty of power and outlet options. If you do choose to purchase this model and take it camping with you, you will be able to power just about anything you want/need. Even if you want to bring along power guzzling appliance such as an air conditioner or a fridge, this generator will be able to handle it without any issue.

This easy to start generator is also one of the quieter conventional machines, which again makes it ideal for camping. The last thing that you want to do when you are camping is disturb your neighbor or destroy the serenity of nature with an excessively noisy generator after all.

Something that you will want to keep in mind if you do choose to purchase this model is that it runs much better on gasoline than on propane. Though it can obviously be used with propane, the power it produces is not quite as stable as the power it produces with gas. In fact, it can fluctuate quite a bit, which could result in some of your appliances or tools not running properly.

Pros
  • High maximum power output
  • Easy to start
  • Long warranty
  • Powerful engine
  • Lots of outlets
  • Quiet for its power output
  • Easy to move
  • Durable wheels
Cons
  • Power output fluctuates while using propane
  • Hard to follow instructions
7.

Sportsman GEN7500DF Best RV Dual-Fuel Generator

Features
  • Generator type: conventional, dual-fuel
  • Peak/rated watts: 7,500/6,000
  • Engine: 389cc OHV 4-stroke
  • Fuel tank: 6.2 gal.
  • Run time: 9 hrs. (50% load)
  • Outlets: (4) 120V AC, (1) 120V RV, (1) 120/240V, (1) 12V DC
  • Start type: recoil, electric
  • Noise level: < 80 dB(A)
  • Warranty: 1-year limited
VIEW ON AMAZON

A budget-friendly option for occasional power outages, Sportsman GEN7500DF, comes with all the required features like automatic low oil shut down and EPA compliance. You can use to run a medium-sized RV or motorhome. It is a dual-fuel generator that runs either on unleaded gas or propane, both of which are easily available at any hardware store and affordable as well. It has a surge of 7,500 watts and a running wattage of 6,000. The 389cc OHV 4-stroke engine keeps the generator running for nine hours at 50 percent load when the 6.2-gallon fuel tank is full, making it the best 7500-watt propane generator.

The LPG cylinder not included in the package neither is the battery, both of which you have to purchase separately. Sportsman recommends you to use a 12 Volt motorcycle battery that is 6 x 3.8 x 3.8 inches in size. If you don’t find that, you can purchase the 12 Volt 12 Ah Sealed Lead Acid battery instead. A 5-foot propane fuel hose along with a regulator comes with the generator for your convenience. It has seven outlets including four 120V outlets, one 2V DC outlet, one 120/240V outlet, and one 120V RV outlet. The model has a decibel rating of less than 80 dB. However, the exact value is unclear. It only comes with one year of manufacturer’s warranty.

Pros
  • EPA approved
  • Most affordable model on our list
  • Automatic low oil shutdown
  • Seven different outlets that can run multiple appliances at once
  • Features circuit protection system
Cons
  • Short one-year manufacturer’s warranty
  • Loud mechanism
  • Battery not included
  • Low power output
8.

DuroMax XP12000EH Best Dual-Fuel Generator for Home Use

Features
  • Peak/rated watts (gasoline): 12,000/9,500
  • Peak/rated watts (propane): 10,200/8.075
  • Engine: 457cc 4-stroke DuroMax OHV Forced Air
  • Fuel tank: 7.9 gal.
  • Gasoline runtime: 10 hrs. (50% load)
  • Propane runtime: 5 hrs. (50% load, 5 gal. tank)
  • Start type: electric, recoil
  • Noise level: <74 dB(A)
  • Warranty: 3-year (residential), 1-year (commercial)
VIEW ON AMAZON

At the end of the day, most people are usually looking for a generator as a backup for their home in the case of power outage. In that case, it is always a good idea to get a model that has a lot of power, so that you can run all of your home’s essentials without any interruption. If that sounds like what you are looking for, then this model from DuroMax is a great option.

Of all the different dual-fuel generators that we looked into, it has the highest maximum power output available, which makes it perfect for any size home, regardless of how many appliances you need to keep running. It has a nice long runtime if you choose to run it with gas, though this does go down significantly when using propane.

As with some other models, the power output doesn’t always hold steady when this generator is running on propane. As such, it would probably be a better idea to stick to using gasoline, since it can run longer on that and produce more power anyway.

Something else that makes this such a good option to use at home is the fact that it is not designed to really be moved around all that much. The wheels that come with this generator are extremely flimsy, and cannot handle any tough terrain, so it is better to keep it at home on paved surfaces at all times.

As you would expect from any generator that is meant to be used in an emergency situation, this model is very easy to start. It comes with an electric start that requires a battery. Thankfully, if the battery isn’t charged, you can still get it running with the recoil cord.

Pros
  • Extremely high maximum power output
  • Large fuel tank
  • Long gas runtime
  • Easy to start
Cons
  • Power level fluctuates while using propane
  • Flimsy wheels

Buying Guide

In this section, we will go through everything you need to know to find the best dual-fuel generator for your needs. We will also answer several FAQ that you might have.

Why get a dual-fuel generator?

There are several reasons that make getting a dual-fuel generator such a good idea. First of all, it provides you with a much higher level of versatility than a single fuel generator. Since you can use gas or propane, the fuel is much easier to come by. Propane is a much cheaper and cleaner burning fuel in comparison to gas, though it won’t give you as much wattage output as gasoline will.

With a dual-fuel generator, you can choose the type of fuel that you use based on your needs, rather than necessity. If you are going camping or using your generator for an RV, you can use propane, since you won’t need as much power. If, however, the electric is down in your home, you can switch right on over to gas so that you get as much power as you need to keep your home up and running.

If you are thinking about using your generator for an emergency, then being able to choose the type of fuel you use is a huge benefit. Propane, unlike gasoline, can be stored indefinitely. This makes it a perfect emergency fuel since you can keep it stored up for years, and it will never degrade. Propane is also much easier to find in a crisis since it is stored in individual containers.

How do you plan to use your dual-fuel generator?

Best Dual Fuel GeneratorOne of the biggest benefits that a dual-fuel generator can offer you is the versatility to choose the fuel that you need based on a need, rather than a necessity. If you are completing a task that doesn’t require quite as much power, such as running power tools, camping, or other small tasks, then you can save yourself a ton of money and use propane. If, however, you need the best whole house generator to power your whole home during a power outage, you can still use gasoline and get a bit more power out of your generator.

Something else to keep in mind before you settle on a generator is a general idea of what you will need to plug into the generator. Different tasks will call for different plugs, after all. If you are looking for something to power small electronics, then just a few standard outlets and USB ports should do the trick. On the other hand, if you intend to run your entire home or RV off of your generator, you will want to make sure that you get a model with a ton of outlets. These outlets should also be GFCI certified so that you can be sure that they will handle your power needs in a safe manner.

How much power do you need?

The amount of power you are going to need should be based on how much equipment you are going to be running off of it at any given time. In this instance, it is a better idea to have too much power potential in your generator than not enough. Each and every dual-fuel generator on the market’s output is measured in watts, which is the measure of potential power it can produce.

Unfortunately, most appliances, tools, camping gear, and anything else you want to run off of your generator do not tell you the wattage that is required for them to run properly. Instead, they will only tell you the voltage, which is the electrical energy, and the amps, or the electrical current that the item requires.

But don’t worry! Wattage is relatively easy to figure out. All you need to do is take the voltage and multiply it by the amps, and you will have the wattage. For instance, if your freezer is plugged into a 120V outlet and requires 20 amps of current, then these two figures need to be multiplied to find the wattage, which would be 2400 watts.

Before you purchase your generator, you should take the time to figure out how much wattage you will need to run all of your equipment at the same time. This will help you to determine how much power you need, without getting too much. If you are looking for a truly powerful dual-fuel generator, then the DuroMax XP12000EH is the best choice for you. It can produce a maximum of 12,000 watts, making it ideal for anyone with bigger power needs.

For how long will your generator run?

The length of time that a generator will run depends on several different factors. First of all, the type of fuel you use will usually have an effect on the run time, with gas usually lasting longer than propane. The Westinghouse WGen7500DF lasts up to 16 hours when you use gas and 11 hours if you use propane.

Something else that will determine how long your generator will run is how much you run off of it. The more you plug into the generator, the more power you consume. The more power consumed, the harder the generator has to work. The harder it has to work, the slower the run time.

The run time of any generator is going to be inhibited or extended due to the size of its tank. The larger the tank, the longer the runtime. The smaller the tank, the shorter the runtime.

How noisy is a generator?

Sound is usually measured in a unit called decibels, or dB for short. The higher the decibel amount, the louder something is. Generators, on the whole, are relatively loud machines, which isn’t all that surprising. After all, they are a motor. Of course, some models, like the Champion Power Equipment 100263 operate at a much quieter level. Its operating noise of 59 dB is basically the same as the conversation in a quiet restaurant, making it a great choice for camping or use in close quarters.

Conventional vs. inverter generator

Conventional and inverter generators both are great options to get the power that you need. Of course, they go about it in a different manner. Conventional generators are basically just like the engine in your car and have a tried and true design that works well, though it isn’t as efficient as an inverter. Inverter generators are quieter, more portable, and more fuel efficient than conventional generators. They are also more expensive and not quite as powerful.

Safety considerations

Since you are basically dealing with your own personal power station, you will want to be certain that there are several safety systems in place before you purchase your generator. You should look for a model that has overheating protection, a low oil shutoff mechanism, and overload protection. Each of these systems will help to keep your generator running smoothly, and help to keep you safe in the process.

Tips

Best Dual Fuel GeneratorWhile it might be tempting to attempt to install your generator on your own, it is probably a good idea to have a professional come and assist you in setting it up. That way, you can rest assured that your system is installed correctly so that it will be ready to use when you need it.

Another key element that you might want to look for is a model with an electric start, such as the Champion Power Equipment 100296, which is also considered to be one of the best Champion generators. An electric starter makes it a lot easier to get a generator up and running, which is especially ideal in a power outage.

Something else that you need to do if you want to keep your generator up and running is to change the oil every 100 hours of use. Most generators use SAE30 in warmer temps, and 10W-30 for colder temperatures. You can also use Synthetic 5W-30 in all types of weather.

FAQ

Of the two fuel types, propane is much more efficient. It is also much more of a budget-friendly option. This is due in part because it can be stored forever without a drop in its performance after it has been stored for a long time.

Yes, you can hook up a dual-fuel generator to a larger propane tank, though you might need to purchase special/extra equipment to get that job accomplished. This would most definitely increase the overall running time since you would have a lot more fuel to burn through before the tank is empty.

Yes, you can modify some dual-fuel generators to use natural gas. You just need to be sure that you get a model that can handle such a conversion, as not all manufacturers are too keen on the idea. If, however, you do find a model you can modify, you will need to buy the appropriate conversion kit so you can do it safely.

Wrap-up

If you are looking for the best dual-fuel generator available today, then you should check out the Westinghouse WGen7500DF. It has plenty of power and is extremely easy to start. Not only that, but it will run nice and long regardless of the type of fuel you choose. We highly recommend that you check this model out.

If portability is important to you, then you should check out the Champion Power Equipment 100296. Its oversized wheels and sturdy frame make it simple to get into position. Even though it is highly portable, this model is still quite powerful, and perfectly capable of powering plenty of appliances.

The Champion Power Equipment 100263 is the best inverter generator that you could possibly purchase. It is extremely quiet, making it great for use in close proximity to others without having to worry about bothering them. Though it doesn’t provide a ton of power, it is perfect for smaller applications.

9.8/10 Total Score
Westinghouse WGen7500DF - Editor's Choice
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