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Buyers Guide & Information

Dual Fuel Generators Reviewed

Don’t limit yourself to one fuel type with these top rated brands.

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Why choose a generator that operates with just one type of fuel when you have the option for two? A dual fuel generator is compatible with two fuel types, gasoline and liquid propane gas, which makes them much more versatile than the traditional single-fuel generator. Both gas and propane come with their own unique set of benefits, so why not take advantage of each one?

There’s a lot involved in choosing a high-quality dual fuel generator, so the buying process isn’t easy. This guide to the best dual fuel generators can help. We’ve laid out the top 8 dual fuel generators on the market from a variety of brands, plus everything else you need to know about dual fuel generator operation.

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Model

Engine Size

Noise Level

Runtime

Check Price

Champion 3400-Watt Dual Fuel RV Ready Portable...

Champion Power Equipment 100263

192cc

59 dBA

14.5 hrs (Propane on 25% Load)

Firman H08051 10000/8000 Watt 120/240V 30/50A...

Firman H08051

439cc

74 dBA

12 hrs (Gasoline on 50% Load)

Westinghouse iGen4500DF Dual Fuel Portable...

Westinghouse iGen4500DF

4-Stroke

52 dBA

18 hours (Gasoline on 25% Load)

Sportsman GEN4000DF, 3500 Running Watts/4000...

Sportsman GEN4000DF

212cc

69 dBA

10 hrs (Gasoline on 50% Load)

Champion 3500-Watt Dual Fuel RV Ready Portable...

Champion Power Equipment 100307

 224cc

68 dBA

9 hrs (Gasoline on 50% Load)

WEN DF1100T 11,000-Watt 120V/240V Dual Fuel...

WEN DF1100T

457cc

68 dBA

8.5 hrs (Gasoline on 50% Load)

Pulsar PG10000B16 Portable Dual Fuel...

Pulsar Non-CARB

420cc

68 dBA

12 hrs (Gasoline on 50% Load)

DuroMax XP12000EH 12000-Watt 18 HP Portable Dual...

DuroMax XP12000EH

457cc

74 dBA

9 hrs (Gasoline on 50% Load)

How Dual Fuel Generators Work

Unlike a single-fuel generator that is fueled with solar power, liquid propane, gasoline, or diesel, a dual-fuel model can operate with two different types of fuel.  It uses the same technology as any other generator type, but it can handle two fuel types instead of one.

Contrary to common belief, generators do not create energy. They simply convert it, and to do that, they need to be fueled. Think about in terms of an electrical motor, only one that is working in reverse. Once fueled, the motor starts running, and the power of motion is converted into electrical energy.

Once an electrical current has been established, it’s pushed through a wiring system and used to power electronics. Depending on the size of the generator, it might be capable of powering small electronics, large appliances, or both. The best dual fuel generators can complete this process by using either gasoline or propane.


Comparing Single vs. Dual Fuel Generators

It’s common for anyone in the market for a home generator to wonder, single or dual-fuel? Dual fuel generators are quickly gaining popularity, but that doesn’t necessarily mean it’s the right choice for you. There are advantages and drawbacks to each type, so it’s impossible to say that one is always the better choice.

When comparing the two, dual fuel generators are much more versatile, but single fuel is the cheaper option of the two. However, dual fuel models are more efficient, so they tend to cost less in the long run. Machines that use just one type of fuel are less complex and more portable, but dual fuel generators aren't difficult to use by any means.

If you're looking for a simple and cheap alternative power source, a traditional single-fuel generator will get the job done. But for more power, more versatility, and more eco-friendliness, dual fuel generators are worth the extra cost. 


Buying Quality Dual Fuel Generator

Generator Size vs. Power Needs

The first and most important buying consideration for choosing a high-quality dual fuel generator is power. Properly sizing a generator can be tricky, but it’s all about comparing your power needs to the exact generator size. Think about what you plan on powering with this alternative power source - small electronics for tailgating, a camper van or RV, or the entire house?

It’s possible to figure out your exact power needs by adding up the wattages of the devices you’ll be powering with the generator. Once you’ve done the math, you can choose the exact generator size that is suitable for your power needs. Consumer Reports says that when sizing a generator, “keep in mind that some appliances—air conditioners, refrigerators, and sump pumps, for instance—draw more wattage momentarily when they're cycling on.” So always take into account power surges.

Location Limitations

Before purchasing a dual fuel generator, you should always look into the fossil fuel regulations of your area. Some US states have stricter policies on generator use, like California. If you reside in California, you MUST purchase a generator that is CARB compliant. Purchasing a non-CARB generator in California can land you into trouble, so always be mindful of state and local regulations - no matter where you live.

This is even more important if you intend to use your new dual fuel generator for an RV or mobile home. If you plan on moving around (which is the entire point of owning an RV), you’ll need to check the regulations of each place you plan to visit. And we’re not just talking about crossing state lines, but also specific campsites, national parks, etc.

Fuel Efficiency/Runtime

Gasoline produces more energy than propane, but it also burns faster. This means that gasoline operation is more powerful, but the average runtime per tank is lower than propane. The main advantage of choosing a dual fuel generator is that you no longer have to choose between gasoline and propane. Thanks to dual fuel operation, you can have it all, including fuel efficiency and extended runtime.

Power Output

The best dual fuel generators reviewed have a wide range of power outputs. The higher the power output, the more watts the generator can handle. Every generator comes with two values for power output: starting wattage and running wattage. According to LCEC, this is the difference between the two:

“Running, or rated watts are the continuous watts needed to keep items running. Starting watts are extra watts needed for two to three seconds to start motor-driven products like a refrigerator or circular saw, this is the maximum wattage the generator can produce.”

Portability

Generally speaking, the higher the power output, the larger the generator. If you’re looking for a whole-house generator, the chance of finding a portable device is slim to none. Recreational generators for things like tailgating, camping, and RV travel are typically highly portable and easy to handle. Bulkier generators over 100 pounds often come with mobility kits for added portability.

Noise Level

A common misconception about generators is that they always produce lots of noise. Sure, this is the case some of the time, but it doesn’t have to be this way. The best quiet generators use inversion technology for the lowest possible noise level.

If noise is a concern of yours, pay special attention to each generator’s decibel (or dBA) rating. The higher the dBA, the greater the noise output. The good news is that dual fuel generators are generally quiet that gas-only models. You can easily find a dual fuel power source with a dBA 58 or lower.

Safety Features

Some generators come with more safety features than others, like low-oil indicator lights and automatic shutdown. The low-oil indicator light will tell you when it's time for an oil change or top-off, and automatic shutdown turns the engine off when the oil/fuel levels are too low. Both of these features not only help to prolong the generator's lifespan but also to keep you safe.

Price & Warranty

Although dual fuel generators cost more on average than single-fuel models, it's still possible to find an affordable power source that fits within the budget. Just keep in mind that the greater the power output, the higher the cost will be. So if you plan on powering your entire home with this generator, the product you choose won't come cheap. No matter how much you decide to spend, try to find something with 2+ years of warranty coverage.


8 Best Dual Fuel Generators Reviewed

1. Champion Power Equipment 100263

Our Top Pick!

Engine Type/Size

4-Stroke, 192cc

Weight

95.9 lbs

Noise Level

59 dBA

Wattage

3400W Starting, 3100W Running

Runtime

14.5 hrs (Propane on 25% Load)

Warranty

3 years

Our top pick is the Champion dual fuel inverter generator with electric start. The Champion dual fuel generator uses inversion technology to create clean, stable energy, keeping your sensitive electronics (phones, tablets, laptops) protected from energy dips and spikes. The dual fuel model operates at 3400 starting watts and 3100 running watts. It's completely RV-ready with a 120V 30A RV plug, plus it comes with two 20A standard household outlets.

Any Champion dual fuel generator review will tell you that this generator is easy to use, convenient, and ultra-quiet. Since this is an inverter machine, Champion 100263 is much quieter than your average generator, and “operates at 59 dBA from 23 feet – about the same noise level as normal conversation.” This means you never have to worry about disturbing your neighbors, even in close campsite quarters.

The Champion’s convenient electric start includes a battery and smart charger, and the cold start technology means that you won’t have any trouble getting the machine up and running in cold climates. The thing we love most, though, is that switching from gasoline to propane has never been easier; all you have to do is turn the fuel selector dial.

If 3400 watts isn’t enough for you, the Champion inverter is parallel-capable, which means that two identical inverters can be connected for twice the power output.  The generator comes fully assembled and ready to go right out of the box - just add fuel, make your connections, and enjoy clean energy. The only downside of the Champion is its high cost, but users feel that it’s worth every penny.

Pros

  • Great for sensitive electronics
  • Ultra-quiet
  • Convenient electric start
  • RV-ready & parallel-capable
  • Amazing Champion support

Cons

  • High cost
  • Not CARB compliant

2. Firman H08051

Best Dual Fuel Portable Generator

Engine Type/Size

4-Stroke, 439cc

Weight

235 lbs

Noise Level

74 dBA

Wattage

10000W Starting, 8000W Running

Runtime

12 hrs (Gasoline on 50% Load)

Warranty

3 years

If you’re looking for power but still concerned about portability, you’ll love the Firman dual fuel generator. It has a starting wattage of 10000, a running wattage of 8000, and it’s even suitable for residents of California thanks to its CARB certification. Even though it's mighty and quite heavy at about 235 lbs, the mobility kit design makes this the best dual fuel portable generator on the market.

According to Firman dual fuel generator reviews, this machine offers power on demand. It's best used for emergency power, but it can also be used for powering job sites, farms/ranches, large RVs, and buses. This dual fuel portable generator has an 8-gallon fuel tank and a 12-hour run time with gasoline, but you can enjoy an even longer runtime with its propane operation.

The multi-feature control panel comes with a variety of covered outlets, including (2) 5-20R 20A-120V GFCI, (1) 14-50R 50A-120/240V, (1) L14-30R 30A-120V/240V Twistlock, and (1) L5-30R 30A 120V Twistlock. Even with a massive 439cc engine, this machine has a noise level rating of 74 dBA. This is a bit loud for some, especially if you plan on camping with this generator, but for the size, 74 decibels is still relatively quiet.

The only other drawback of the Firman H08051 is the high price tag. Similar to the Champion, this machine doesn't come cheap, but the good news is that it comes with a 3-year manufacturer's warranty. Out of all the amazing Firman features, the thing we love most is that it's surprisingly portable with its 10" heavy-duty wheels and high-folding handle. 

Pros

  • Ergonomic padded handle
  • Heavy-duty wheels
  • Powerful
  • CARB compliant
  • Included 5.5’ propane hose

Cons

  • High cost
  • Loud operation

3. Westinghouse iGen4500DF

Best Dual Fuel Inverter Generator

Engine Type/Size

4-Stroke

Weight

98 lbs

Noise Level

52 dBA

Wattage

4500W Starting, 3700W Running

Runtime

18 hours (Gasoline on 25% Load)

Warranty

3 years

The Westinghouse iGen is another great choice for portability. Still, when compared to the Firman, this is the better choice if you’re looking for the best dual fuel portable inverter generator. The inversion technology means that this portable model is much quieter with a noise level as low as 52 dBA. It has a starting wattage of 4500 and a running wattage of 3700, so it’s the perfect size for camping and tailgates.

We’ve dubbed this the best dual fuel inverter, mainly because of its convenience. "Conveniently built with Push-Button Electric Start and wireless remote start, the key fob starts up from up to 109 yds. away for easy ignition," says Westinghouse. “At less than 3% THD, the iGen4500 is perfect for running sensitive electronics like LCD/plasma televisions, laptops, tablets, or mobile devices that require clean, stable power.”

This is one of the most fuel-efficient dual fuel models we've come across. It can run for up to 18 hours on a full 3.4-gallon fuel tank, and even longer with a large propane tank attached. There's also an "Efficiency Mode" feature for even better fuel efficiency. The LED Data Centre is another nice touch; this control panel keeps users up-to-date on maintenance requirements and real-time info, like how much fuel is left in the tank and the load percentage.

The iGen4500 is another excellent alternative power solution for powering sensitive electronics, but if you plan on powering large appliances, like an AC or refrigerator, you might want to look elsewhere. The iGen is capable of powering large appliances, but it's more commonly used for electronics like LCD/plasma televisions, laptops, tablets, or mobile devices that require clean, stable power.

Pros

  • “Efficiency Mode”
  • LED control panel
  • Great for travel trailers
  • Portable & compact
  • Convenient remote start

Cons

  • Not parallel capable

4. Sportsman GEN4000DF

Value for Money

Engine Type/Size

4-Stroke, 212cc

Weight

90 Lbs

Noise Level

69 dBA

Wattage

4000W Starting, 3500W Running

Runtime

10 hrs (Gasoline on 50% Load)

Warranty

1 year

We’ve covered some great dual fuel options so far, but the main disadvantage of the Champion, Firman, and Westinghouse models was their high price tags. This Sportsman dual fuel generator review is all about affordability, but that doesn’t mean you have to give up on power and performance. With its 4000 surge wattage and optimal convenience, the GEN4000DF Sportsman dual fuel generator is the best value-for-cost dual fuel generator on this list.

The Sportsman is built with a 212cc OHV engine, it’s 100% EPA approved, and it runs for up to 10 hours on a full tank of gas (at a 50% load). The noise level is a bit high for our liking - 69 dBA - but this is to be expected from any non-inverter generator. It’s lightweight and compact, weighing just 90 pounds, so it’s the perfect solution for power on the go.

According to the Amazon listing of the GEN4000DF, here's what you can expect from the Sportmand generator:

"With the Sportsman Series Dual Fuel Generator, you get the long-lasting, clean-burning advantage of propane gas, plus the familiar and easy to find benefits of unleaded gasoline...The Sportsman Series 4000 Watt Dual Fuel Generator is ideal for anyone who needs affordable, flexible, and portable power."

For the value, there's not much negative that can be said about the GEN4000DF. Aside from the louder than average operation, we're not loving the short 1-year warranty, but what can you expect from a budget-friendly generator?

Pros

  • Included regulator hose
  • Array of outlets
  • Great value for the cost
  • Perfect for camping/tailgating

Cons

  • Loud operation
  • Short warranty

5. Champion Power Equipment 100307

Best Dual Fuel RV Generator

Engine Type/Size

4-Stroke, 224cc

Weight

105 lbs

Noise Level

68 dBA

Wattage

4327W Starting, 3500W Running

Runtime

9 hrs (Gasoline on 50% Load)

Warranty

3 years

In our guide to the best generators for RVs, we named the Champion 3500W model as one of our top picks for RV generators, and we’re sticking by that claim. The Champion 100307 is the best dual fuel RV generator, and not just because it has enough power to start a 15000 BTU RV air conditioner. The 224cc engine starts at 4375 watts and can run continuously at 3500 watts, which is plenty of power even for the largest RVs.

The three features we love most about the 100307 are the Intelligauge, Volt Guard, and Cold Start technology. With Intelligauge, you’ll be able to “keep track of voltage, hertz and run-time hours to monitor power output easily and track maintenance intervals." The trademarked Volt Guard technology uses a built-in surge protector to prevent overloaded circuits and keep your equipment safe. Cold start generators have no trouble operating in cold-weather climates, and the 100307 is no exception.

One thing we love about using the 100307 for RVs and mobile homes is its variety of outlet options. It comes with a 120V 30A RV (TT-30R) outlet, a 120V 30A locking outlet (L5-30R), and two 120V 20A standard household outlets. It’s EPA certified, CARB compliant, and comes with a 3-year warranty as well as free lifetime technical support.

The only complaint we have about the Champion 100307 is a minor design flaw. The placement of the oil tank is not ideal, and changing the oil can be a bit of a hassle. If Champion were to design this dual fuel generator with an easy-to-access oil reservoir, there would be no complaints whatsoever.

Pros

  • Hassle-free setup
  • CARB & EPA certified
  • Intelligauge monitoring
  • Volt Guard protection
  • Cold Start technology

Cons

  • Loud operation
  • Difficult oil changes

6. WEN DF1100T

Top of the Range

Engine Type/Size

4-Stroke, 457cc

Weight

214 lbs

Noise Level

68 dBA

Wattage

11000W Starting, 8300W Running

Runtime

8.5 hrs (Gasoline on 50% Load)

Warranty

2 years

If budget is no concern, you might consider investing in a top of the range dual fuel generator like the WEN DF1100T. The WEN company has been in business since 1951, so they know what they're doing when it comes to alternative power. They offer a wide range of generator products, but the DF1100T is one of our favorites. 

This high-end generator comes with a powerful 11000-watt operation, so it's the go-to choice for powering large appliances. Switching from gasoline to propane is easy with the WEN Fuel Selector dial, and the same goes for switching between 120 and 240 voltages. This is an amazing solution for emergency backup, but it can also be used for RVs, camping, and tailgating.

One thing we love about the DF1100T is its large 6.6-gallon fuel tank. The larger the tank, the longer the generator’s runtime, and this one can run up to 8.5 hours on a half-load capacity. The control panel is equipped with all the outlets you could ever need, including four 120V GFCI outlets (5-20R), a 120V 30A twist lock outlet (L5-30R), a 120V/240V 50A outlet (NEMA 14-50R), and a 12V DC cigarette-lighter-style plug.

The main drawback of the WEN generator is its heavy design (it weighs over 210 pounds), but the company says that "the wheel and handle kit makes transportation easier than ever while the included 47-inch LPG hose allows for immediate connection to propane tanks." It's not the most fuel-efficient generator on the list, but it's our top pick for those in need of high power output.

Pros

  • Perfect for transfer switches
  • High engine displacement
  • Trusted WEN brand
  • Mobility kit
  • 120 & 240V

Cons

  • Heavy design
  • Not the most fuel-efficient

7. Pulsar Non-CARB

Best 10000 Watt Dual Fuel Generator

Engine Type/Size

4-Stroke, 420cc

Weight

209 lbs

Noise Level

68 dBA

Wattage

10000W Starting, 8000W Running

Runtime

12 hrs (Gasoline on 50% Load)

Warranty

3 years

Shopping around for the best 10000W generators, but not sure where to even begin? The Pulsar Dual Fuel Switch & Go is a great starting point for anyone in need of a strong and mighty alternative power source. This 10000-watt dual fuel generator allows users to easily "switch and go" between gasoline and propane operation without missing a beat.

 A durable powder-coated steel frame protects the 420cc 4-stroke engine, and the heavy-duty transport wheels are just as durable. Even with so much power, this machine is easy to handle and convenient to use. It comes with an electric push start to make generator start-up quick and easy, and you can even change fuel sources while the generator is running.

According to Home Depot customer reviews, one reviewer says that the Pulsar

"runs everything including central air in my house. From the sound of the engine as I turned on breakers, this model can take a lot more than I'm asking of it."

You might be surprised by how much this generator can handle, and you'll love that it has a 12-hour run time with gasoline on the load capacity of 50%. To be completely honest, the sheer power of the Pulsar isn’t necessary for everyone. If you’re looking for a more basic power solution for smaller electronics, the Champion 3400W generator is more fitting. But if power is the name of your game, this 10000W Pulsar is the way to go.

Pros

  • Amazing power
  • Fuel efficient
  • Large gas tank
  • Generous warranty coverage
  • RV outlet

Cons

  • Not CARB compliant
  • More power than most need

8. DuroMax XP12000EH

Best Rated Model

Engine Type/Size

4-Stroke, 457cc

Weight

260 lbs

Noise Level

74 dBA

Wattage

12000W Starting, 9500W Running

Runtime

9 hrs (Gasoline on 50% Load)

Warranty

3 years

The Duromax dual fuel generator is one of the best rated dual fuel generators on the market, and it's no surprise as to why. The XP12000EH is robust, durable, and a reliable source of alternative power, especially during emergencies. It's the most powerful dual fuel generator on our list with a peak power output of 12000 watts and a running wattage of 9500.

Similar to the Pulsar, this power source is not for everyone, especially those who don't need such a high wattage. But for those who need the power, the DuroMax can handle heavy loads from lights and a refrigerator to a home air conditioner, even high amperage power tools. The 18 horsepower OHV engine has a high displacement of 457cc, allowing the generator to handle multiple high voltage appliances simultaneously. One thing we especially appreciate about the XP12000EH is the organized control panel.

Here’s what the DuroMax company has to say about this key feature:

 "The power panel includes a wide selection of outlets for maximum compatibility in your applications including two 120V household GFCI outlets, one 120V 30A twist-lock outlet, one 240V 30A outlet, and one 240V 50A outlet. The panel also includes a voltmeter and 12V DC charging ports for charging external batteries."

The signature DuroMax MX2 technology allows users to get the maximum power from each 120V receptacle. You can choose between operating the generator at both 120V and 240V simultaneously, or at 120 only with full power. It’s no surprise that such great power doesn’t come cheap. Not only is this the most powerful dual fuel model on our list of best dual fuel generators reviewed, but it’s also the most expensive.

Pros

  • Powerful 18HP engine
  • MX2 technology
  • Low oil shutoff
  • Organized power panel
  • EPA & CARB certified

Cons

  • Lacks portability
  • Loud operation

Standard vs. Inverter Generators

A dual fuel inverter generator uses much more complicated technology than a conventional dual fuel model. With inversion technology, there are several exchanges of energy from alternating current (AC) to direct current (DC). The main point of the additional energy exchange between AC and DC power is to create clean, stable energy that is free from voltage spikes and dips. 

The clean energy is a significant perk of choosing an inverter generator, and so is the fact that inverters are the quietest type of power source. However, standard generators can produce more power; the average inverter power output ranges between 1,200 and 4,000 watts, while a standard generator can easily reach 10,000 watts or more.

If you're looking for clean energy for your sensitive electronics, an inverter generator is a great choice. But if you're looking for a powerful solution to handle large appliances or the entire home, you'll want to go with a standard alternative dual fuel power source.


Setting Up Dual Fuel Generators

Setting up your dual fuel generator shouldn’t feel like rocket science. First thing’s first, always refer to your generator’s user manual; there is no universal setup procedure, you’ll have to refer to the manufacturer’s instructions on your specific model.  However, we can give you some helpful tips for generator setup:

  • Always fill the machine with a compatible oil type (you’ll find this information in the manual).
  • Set the generator up in an open, non-cluttered outdoor or well-ventilated space.
  • If installing a transfer switch, it’s wise to hire a professional technician.
  • Never run a generator indoors, keep it far from windows/vents (at least 20’ from the house/RV).
  • Always use fresh gasoline (old fuel can ruin the engine).

How to Operate Dual Fuel Generators

In the event of a power failure, having a generator is not just handy; it also helps to keep your family safe. But this is only the case if you actually know how to operate your generator. The most challenging aspect of using an emergency power source is making the proper connections. Remember that a 15-amp receptacle requires a 15-amp cord.

Once everything is connected safely, it’s time to start the engine. Most dual fuel models come with a fuel selector switch with the option for Propane (LPG) or Gas, so select the fuel you’ll be using. For gas operation, turn the choke to the On or Full position, and then turn the ignition switch to On. Either push the electric starter button or pull the starter cord to get everything up and running.


Dual Fuel Generator Maintenance

Dual fuel generators require the same level of care and attention as any other type of generator power source.

According to HuffPost’s generator maintenance tips

“the better the maintenance, the longer your generator will function without the need for extensive repairs, which can translate into serious cash from purchasing expensive parts or even replacing the whole unit.”

The main thing to remember is that regular oil changes are essential, and so is keeping the tank fresh on gas. When a generator runs out of gas while operating, it can undergo significant damage, sometimes damage that is irreversible. Another handy tip is to power up your generator every 3 months or so; these machines don’t like to sit too long without being run.


People Also Ask (FAQs)

What is the best fuel for a generator?

Generators are compatible with several types of fuel, including diesel, gasoline, electricity, propane, and even solar energy. It’s difficult to say which fuel type is best since they each have a set of pros and cons in terms of efficiency, burn rate, and cost. Gasoline and propane are two of the most popular fuel types, which is why choosing a dual fuel gas/propane generator is the perfect solution for backup power.

Can my dual fuel generator be used in the rain?

It's never a good idea to mix electrical power with water, so no, a dual fuel generator should not be used in the rain. So what are you to do when it's raining, and you need backup power? HuffPost says that "you'll want to invest in either a cover or an enclosure. Another suggestion is to build a generator garage similar to that of a doghouse for a portable generator.”

What type of fuel is more efficient and budget-friendly, gas or propane?

Propane is less efficient than gas, but it's better for the environment since it releases fewer harmful emissions. Many people opt for propane generators since LPG burns more cleanly, and therefore has less of an environmental impact.

In terms of budget, Clinton Electric says that

“the cost of natural gas is about 40 percent of propane’s cost, which makes it the cheaper fuel for your generator.”

Can I modify a dual fuel generator for natural gas?

Technically, yes, but certain modifications need to be made for a dual fuel generator to run on natural gas. You'll need several parts to make the switch, including an on-demand regulator, carburetor adapter, gaskets, mounting bolts, hoses, fittings, etc. You'll also need to remove the filter and filter house. As you can see, this is an extensive process that isn't entirely worth it.

How long do dual fuel generators last?

This depends on how much care and maintenance you put into your generator. If you follow all the maintenance protocols - like regularly change the oil, always use fresh gas, and run the generator every few months - then you could be using this power source for 15,000 hours of operation or more.

How much does a dual fuel generator cost?

As you can see from the dual fuel generator reviews above, these machines vary in cost depending on power output, build quality, and performance features. If you’re looking for alternative power on a budget, you’ll want to go with the Sportsman GEN4000DF.

What size dual fuel generator do I need?

That depends on the amount of power you plan on using. There’s an easy way to figure out your perfect generator size - just add up the wattage values of all the devices/appliances you plan on powering with your generator. Every device comes with a wattage value; for example, a 40-watt light bulb uses 40 watts of power per hour, so there’s no need to guess when it comes to choosing generator size.


Conclusion

When considering all the features that make up a high-quality dual fuel generator, you can’t go wrong with the Champion 3400-watt model. It’s portable, powerful, easy to use and maintain, and best of all, it produces clean energy that is safe for even the most sensitive electronics.  It’s not the only top-rated choice, though, so our suggestion is to consider your power needs before anything else.

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