3 Best Dual Fuel Generator Reviews & Buying Guide

This is a super in-depth best dual fuel generator review and buying guide.

We analyzed total fifty bi-fuel generators of different brands and picked three most efficient and affordable generators with dual power supply that might interest you.

So let’s get in details now….

A dual fuel generator can benefit you and your home in many ways and if you are looking for continuous non-stop power option then you’ve come to the right place.

Best dual fuel generator can almost power anything and works on either gasoline or propane.

Plus, if you are one of those who likes to live off the grid and still don’t want to lose modern amenities then a dual fuel generator can do wonders.

Best dual fuel portable generator works by converting mechanical energy into electrical.

As this type of generator provides continuous power, it is a perfect choice for air conditioners and heating systems simultaneously.

In this article we will talk about some top rated dual fuel generators in detail.

Best Dual Fuel Generator Reviews

Westinghouse Outdoor Dual Fuel Generator4.6

Westinghouse Outdoor Dual Fuel GeneratorGood Choice

  • 12500 Peak Watts, Gas or Propane Fuel, Electric Start, CARB Compliant, 240 Volts, 4 Stroke, Electronic Ignition
Check Price
DuroMax XP12000EH Generator4.6

DuroMax XP12000EH GeneratorGood Choice

  • 12000 Watt, Gas or Propane Powered, 50 State Approved, Electric Start, 240 Volts, 4 Stroke Engine, 8 Hours Runtime
Check Price
<strong>Durostar DS4850EH Portable Generator</strong>4.3

Durostar DS4850EH Portable GeneratorGood Choice

  • 4850 Watts, Gas or Propane Powered, Electric Start, 50 State Approved, 120 Volts, 4 Stroke Engine, Electronic Ignition
Check Price

Westinghouse Outdoor Dual Fuel Generator

  • 12500 Peak Watts
  • Gas or Propane Fuel
  • Electric Start
  • CARB Compliant
  • 240 Volts
  • 4 Stroke
  • Electronic Ignition

Considered one of the best dual fuel portable generators, Westinghouse WGEne9500DF comes with 12500 Peak Watts.

This dual generator is quite convenient and has a good plug and play design.

As already mentioned, the engine of the generator is high powered which means you can easily power heavy devices too.

This generator has a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve.

Not only this, it also has automatic low oil shutdown and digital hour meter.

The generator has a reasonable run time and has a moderate fuel tank.

This means when its running on gasoline, you will get up to 18 hours of use with a 25% load.

Other than that, it also allows quick fuel changes in which you can easily switch from propane to gasoline immediately, this can be done even when the unit is operating.

The Westinghouse WGEne9500DF can be a good generator for powering camping trailers or RVs, campers, it can also be used for home purpose as well.

Reasons to Buy

  • Low oil shutoff
  • Easy to start in winter
  • Simple fuel switching
  • Remote control start
  • Runs fine on only propane

Reasons to Ignore

  • Battery is not covered in warranty
  • Electrical surges may cause

DuroMax XP12000EH Generator

  • 12000 Watt
  • Gas or Propane Powered
  • 50 State Approved
  • Electric Start
  • 240 Volts
  • 4 Stroke Engine
  • 8 Hours Runtime

A good option if you are searching for a quiet generator, the DuroMaxXP12000EH is the perfect choice.

This generator is powered by 18HP, 457cc DuroMax OHV Engine.

The starting watts is 12,000 and 9,500 is the running watts of DuroMax XP12000.

Starting this generator is quite easy, plus it also has a backup pull cable recoil starter in case the battery for the electric start is low or dead.

Though the generator is heavy but the solid-fill tires and pull handle makes the transportation easy.

It also has dual fuel technology which means it can run on both gasoline and propane.

This also allows you to switch from one fuel to another in no time.

Overall, this generator is capable of powering home during power cuts.

Some other features include, low oil shut off, in this specification the generator will shut down automatically when fuel is over.

You will also get a 1-year warranty, though the customer service support is average and not that great.

Reasons to Buy

  • Noise level emission is low
  • MGood power and engine
  • Key electric start
  • Easy fuel switch option
  • Wheel kit included
  • Quiet generator
  • Sturdy construction

Reasons to Ignore

  • No surge protector

Durostar DS4850EH Portable Generator

  • 4850 Watts
  • Gas or Propane Powered
  • Electric Start
  • 50 State Approved
  • 120 Volts
  • 4 Stroke Engine
  • Electronic Ignition

One of the best bie-fuel portable generator, Durostar is a compact generator.

This generator has an output of 120/240V and provides superb power and versatility.

When powered by gasoline Durostar gives a running wattage of 3850W and a starting wattage of 4850W.

On the other hand, when powered by propane it gives 3658 rated watts and 4608 starting watts.

It has 4 gallons fuel capacity and gives 10 hours’ time at 50% load on a full tank of gasoline.

Due to its relatively high THD, the generator is not suitable for the powering of sensitive electronic devices.

As already mentioned, the best part about this generator is its portability, with the dimensions of L24 x W17 x H17 inches.

You can also take this generator while travelling, camping or rough environments as well.

The generator is also equipped with an automatic low oil shut-off and an overload protection (circuit breaker).

This means you don’t have to worry and check the generator again and again, as it simply does the needful itself.

Reasons to Buy

  • Affordable price range
  • Electric start
  • Several accessories included
  • GFCI Outlets
  • Automatic low oil shut-off

Reasons to Ignore

  • No remote start

How Does a Dual Fuel Generator Work?

Generators works on the same principal of electromagnetic induction. In this an electromotive force or voltage is the push induced by a magnetic field in an electrical conductor such as a wire.

The generator gives that initial push and mechanical energy is given by fuels.

A dual fuel generator is considered more eco friendly and offer lower emission of gases in compared to the generators that work solely on diesel.

How to Buy Best Dual Fuel Generator: Buyer’s Guide

Be it work, home or travel a dual fuel generator can always come handy and be very useful.

Now a days we live in the era of technology and constant power is essential. With the help of a dual fuel generator you can keep all your appliances charged as well get power efficiency whenever you want.

So, next time when you don’t have a power use you exactly know what to use.

By getting your hands on a double fuel generator you can easily be stress free from power cuts or other power shortage issues.

Plus, a generator can become a lifesaver during a natural disaster or any other emergencies.

Things to Consider While Choosing a Dual Fuel Portable Generator?

Let us now help you in understanding the specifications that you should look for when buying a dual fuel generator.

Power Ratio

The initial thing to consider is how much wattage you will require.

A viable tip is to make a thorough rundown of the apparent multitude of apparatuses, instruments, and other electrical gadgets you have to run when the power is out.

This will give you an absolute wattage breakdown of the size that is reasonable for you.

Make sure to focus on how much surge and rated watts the generator puts out.

Plus, understand the wattage output changes relying upon whether you run the generator on propane or gasoline.

Approximation of this will be propane, will run with 10% less force.

For example, a 4000-watt double fuel generator will flexibly 4,000W on gas and 3,600W on propane.

Power also depends on your budget, if you wish to get a heavy one with lots of power then budget should be a little more.

Control Panel

Monitoring the status and other features of a generator becomes easy if it comes with a decent control panel.

A good generator’s control panel will show you fuel level, wattage, runtime, and maintenance intervals.

Now a days, generators also have LED displays and indicator lights that helps to figure out various important things related to the generator.

One of the most important indicators in the control panel is of low oil shutdown.

This indicates that the generator will automatically shut down after the generator has very low or no fuel left.

When we talk about control panel it is also important to discuss about how the generator starts.

Mostly Gasoline engines often start with a pull recoil, while propane utilizes an electric start.

Now a days, generator comes with remote start option that allows you to start and stop the machine wirelessly.


One thing that generally goes ignored is the number and sort of sockets are in your generator.

Essentially all models accompany two or three standard 120V outlets, which is sufficient for most family unit machines.

A few manufactures and RVs may require 240V outlets or car 12V DC terminals.

Check the detail of every unit and analyse various models before settling on to anyone.

Neighbourhood Friendly

Peace in your environment and neighbourhood is very important.

As there are plenty of generators in the market, not all are quiet or silent.

Generator’s noise level is essential and choosing a quiet one is both good for you and your neighbourhood.

Nobody like to hear loud engine or motor voice continuously.

Plus living in a residential area, it can create a lot of noise pollution for people living nearby.

So, consider buying a quiet generator which emit noise less than 65 decibels.

Types of Dual Fuel Portable Generators

There are 3 types of portable generators:

Inverter Generators

This kind of generators work silently unlike the traditional loud ones.

They generally come with noise levels up to 60 decibels that would not disturb you or your surroundings as well.

They are mostly used in homes and are appropriate to carry while travelling as well.

Professional Generators

Designed to power heavy duty machinery, a professional generator is mainly for commercial use.

They are very powerful and can work non stop for hours.

Though don’t expect professional generators to be affordable or inexpensive.

Emergency Generators

More powerful than inverter generators, emergency generators can easily power your home.

Not only this you can easily charge all your appliances when the power out with emergency generators.

They come with good tank capacity and can work non-stop for hours.

Pros and Cons of Dual Fuel Generators

Well there are a number of generators in the market that servers the same purpose of supplying you with power.

The reason dual fuel generators are a great option is because it doubles your capacity.

As we have already mentioned a dual fuel generator works on both gas and propane.

This means you can switch when you run out of one option, this initially doubles the capacity.

Now let us discuss about the pros and cons of dual fuel generators.

Benefits of Dual Fuel Generators

Continuous Power

Uninterrupted power supply is guaranteed with a dual fuel generator.

Sometimes it is very crucial to supply continuous power specially in hospitals and factories as well.

This job is properly done by a dual fuel generator and the average runtime will depends on the generator’s built-in fuel tank size.

This means each dual fuel generator holds a tank which can support gallons of gas.

Gasoline burns faster but on the other hand provides more power.

Propane burns slower but provides less power, each generator will have a different size of tank in which propane can be stored.

On an average, a propane cylinder will provide you with over 20 hours of uninterrupted power supply.

Gasoline on the other hand will provide over 12 hours of run time.

So, when we compare it with one fuel type, dual fuel generator will provide uninterrupted power for longer time period.

Environment Friendly

Propane is a winner when we talk about dual fuel generators being environment friendly.

Gasoline one the other hand creates more power but with less input.

You can balance both effectiveness and environment with the help of dual fuel generators.


Talking about disasters, living in a territory that is inclined to tropical storms and snow storms can leave you without power for quite a long period of time.

Nevertheless, with a dependable double fuel generator, you have the flexibility of utilizing the kind of fuel that is accessible to you and get power.

They are additionally exceptionally at times when you run out of one fuel as you always have an option for second fuel type.

At the point when propane is incidentally inaccessible in far off regions, you will undoubtedly find gasoline in remote regions as well.

Subsequently, they are exceptionally adaptable and advantageous for both business and property holders the same time.

In addition, in the event that you are somebody who is consistently progressing and needs power any place you go.

Outdoors aficionados, RV proprietors, and development or distant places of work will profit by a versatile double fuel generator.

Disadvantages of Duel Fuel Generators


As there are a number of generators available in the market finding the one that matches your needs is important.

You will get many options for dual fuel generator so choosing an appropriate one according to the budget is the right option.


Don’t expect a dual fuel generator to be very compact and lightweight.

Though that are many portable options available in the market but dual fuel generator crosses the 100 pounds mark.

Though most of the generators include mobility kits and has wheels making it easier to travel with.

Dual Fuel Generator FAQs

Is Dual Fuel Generator Good for Camping?

Well yes, you can use a dual fuel generator for camping purpose, though they are not lightweight but the portability option is always there. Most of the dual fuel generators comes with wheels and handles when makes it easier when you travel.

Are Dual Fuel Generators Any Good?

Becoming popular now a days, a dual fuel generator can give you the best of both worlds. From uninterrupted power to the option of two fuel, a dual fuel generator also has reduced noise level making it an appropriate option. Plus, if you run out of one fuel, easy switching options are available which will give you continuous power supply for hours.

Can a Dual Fuel Generator Power my Entire Home?

A good number of dual fuel generators will offer enough capacity to run most of your home. On the off chance that you need a generator that resolution your whole home, then the smartest choice is a generator has more than 5,000 watts of power. With this amount of power, you will easily be able to use most of your electrical appliances at home.


Be it an emergency or for uninterrupted power, owning a dual fuel generator is not a bad idea.

In this guide we have mentioned some best dual fuel generators.

So, be it camping, or going to a remote area travelling with a generator always seems a good backup option for no power. Other than that, we have also mentioned a detailed buyer’s guide that you can go through before selecting the right choice for yourself.

Share This Post:

Best Budget Generators is a participant in the Amazon Services LLC Associates Program which is an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.