Best Dual Fuel Generator Money Can Buy In 2019 (Complete Guide)

best dual fuel generatorWhether you are experiencing a blackout, or you need electricity to get work done where there is no utility power, a duel fuel generator can help to ensure that you have the electricity that you need. Dual Fuel Generators that use both propane and gasoline make it convenient to find fuel so that your generator can run whenever you need it.

There are many things that you want to know before you decide on a generator. Exploring some of the most viable options and learning about the specifications and features makes it easier to narrow down your options. This ensures that you choose the generator that will best serve your needs.


In A Hurry? Here Are Our Top 5 Picks

Preview
Top Pick
Westinghouse WGen7500DF Dual Fuel Portable Generator - 7500 Rated Watts & 9500 Peak Watts - Gas or Propane Powered - CARB Compliant
Champion 3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start
Champion 7500-Watt Dual Fuel Portable Generator with Electric Start
WEN DF475T 4750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start - CARB Compliant
Rainier R4400DF Dual Fuel (Gas and Propane) Portable Generator with Electric Start - 4400 Peak Watts & 3600 Rated Watts - CARB Compliant
Product Name
Westinghouse Generator
Champion RV Ready Generator
Champion Portable Dual Fuel Generator
WEN Generator
Rainier Generator
Fuel type
Propane or gasoline
Propane or gasoline
Propane or gasoline
Propane or gasoline
Propane or gasoline
Wattage
With propane, 6,750 running and 8,550 starting. With gas, 9,500 starting and 7,500 running.
With propane, 3,420 running and 4,275 starting. With gas, 3,800 running and 4,750 starting.
With propane, 6,750 running and 8,400 starting. With gas, 7,500 running and 9,375 starting
With propane, 4,350 starting and 3,500 running. With gas, 4,750 starting and 3,800 running.
With propane, 4,000 starting and 3,300 running. With gas, 4,400 starting and 3,600 running.
Noise level
73 dB
68 dB
74 dB
69 dB
69 dB
Rated AC output
120/240 volts
120 volts
120/240 volts
120/240 volts
120 volts
Run-time
At half load, about 10 hours.
Nine hours with gas and 10.5 hours with propane.
5.5 hours on propane. Eight hours on gas. This is for running at half load.
Seven hours with propane and 11 hours with gas when running at half load.
11 hours on propane and 18 hours on gas
Top Pick
Preview
Westinghouse WGen7500DF Dual Fuel Portable Generator - 7500 Rated Watts & 9500 Peak Watts - Gas or Propane Powered - CARB Compliant
Product Name
Westinghouse Generator
Fuel type
Propane or gasoline
Wattage
With propane, 6,750 running and 8,550 starting. With gas, 9,500 starting and 7,500 running.
Noise level
73 dB
Rated AC output
120/240 volts
Run-time
At half load, about 10 hours.
Preview
Champion 3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start
Product Name
Champion RV Ready Generator
Fuel type
Propane or gasoline
Wattage
With propane, 3,420 running and 4,275 starting. With gas, 3,800 running and 4,750 starting.
Noise level
68 dB
Rated AC output
120 volts
Run-time
Nine hours with gas and 10.5 hours with propane.
Preview
Champion 7500-Watt Dual Fuel Portable Generator with Electric Start
Product Name
Champion Portable Dual Fuel Generator
Fuel type
Propane or gasoline
Wattage
With propane, 6,750 running and 8,400 starting. With gas, 7,500 running and 9,375 starting
Noise level
74 dB
Rated AC output
120/240 volts
Run-time
5.5 hours on propane. Eight hours on gas. This is for running at half load.
Preview
WEN DF475T 4750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start - CARB Compliant
Product Name
WEN Generator
Fuel type
Propane or gasoline
Wattage
With propane, 4,350 starting and 3,500 running. With gas, 4,750 starting and 3,800 running.
Noise level
69 dB
Rated AC output
120/240 volts
Run-time
Seven hours with propane and 11 hours with gas when running at half load.
Preview
Rainier R4400DF Dual Fuel (Gas and Propane) Portable Generator with Electric Start - 4400 Peak Watts & 3600 Rated Watts - CARB Compliant
Product Name
Rainier Generator
Fuel type
Propane or gasoline
Wattage
With propane, 4,000 starting and 3,300 running. With gas, 4,400 starting and 3,600 running.
Noise level
69 dB
Rated AC output
120 volts
Run-time
11 hours on propane and 18 hours on gas

Last update on 2019-11-19 / Affiliate links / Images from Amazon Product Advertising API


The 5 Best Dual Fuel Generator Options


1. Westinghouse Dual Fuel Generator

The Westinghouse Generator lets you choose between propane and gasoline to power it. When it is running, you can go back and forth between these two fuel options to get more run-time and efficiency from this generator.

This generator is very fuel efficient. It has a 6.6-gallon fuel tank. On average, you get about 1.25 gallons per hour when you are using the generator at its full load. You will always know how much gas is available thanks to the fuel gauge on the generator.

You can start this generator using a key fob or a button on the side of it. If you use the key fob, you have to be within 109 yards to get it to work. Either option engages the electric start function fast so that your generator is going within seconds.

The Westinghouse generator features a powerful 420cc engine. It is a four-stroke engine that does not lose power or efficiency when you are running your generator for a long period of time. The engine is the air-cooled type so that you do not have to worry about issues with overheating.

This CARB compliant generator turns off if the oil level gets too low. Because of this, you do not have to deal with any engine damage related to a low oil level.

The control panel on this generator provides you with important information about its maintenance needs and overall level of function. Use the GFCI outlets to safely connect a variety of items. Due to the power of this generator, you can use it to power almost anything, including air conditioning units and large appliances.

The Westinghouse generator can be coupled with a transfer switch. You can choose either a manual or an automatic one, depending on your preferences.

The generator weighs about 200 pounds. However, since it comes with wheels and a handle, it is not difficult to move around. You can pull it behind you and maneuver it into place without any troubles.

This generator uses durable materials for its housing. Due to this, you can use it regularly without having to worry about issues, such as the housing cracking.

  • Fuel type: Propane or gasoline
  • Wattage: With propane, 6,750 running and 8,550 starting. With gas, 9,500 starting and 7,500 running.
  • Noise level: 73 dB
  • Rated AC output: 120/240 volts
  • Estimated run-time: At half load, about 10 hours

What We Liked

  • You get a high level of power from this portable dual fuel generator
  • It is easy to access the gas shutoff
  • The handle design makes it easy to move the generator around

What We Didn’t Like

  • Assembly may be more difficult than similar dual fuel generators

Our Overall Impression

This generator has sufficient power to provide electricity for just about anything. You can run appliances and other large items without a problem. There is enough run-time from a full tank of fuel to get through the majority of the day when you run it at half load.


2. Champion RV Ready Portable Dual Fuel Generator

The Champion RV Ready Dual Fuel Generator has enough power for a variety of appliances, including window-based air conditioning units. This makes this generator a good choice for commercial worksites and residential use.

Use the fuel selector switch on this generator to swap out propane for gasoline, and vice versa, depending on your fuel preferences. The gas tank can hold up to 3.4 gallons of gasoline. This generator can accommodate up to a 20-pound propane tank.

This generator has a four-stroke engine that provides a good amount of power and a long run-time. The electric start only requires the push of a button to get the generator started. There is a battery that comes with this generator so that you can quickly get everything assembled and ready for use.

The gauge on this generator will tell you when maintenance is necessary so that you can get it performed on time. It also allows you to check on the power output, run-time, voltage and hertz. Use this information to ensure that your generator is running at an optimal level.

There is a wheel kit that comes with the generator. This ensures that you can easily move it into place or transport it whenever you need it. You can put the wheels on with ease and basic tools, so it is convenient to tackle this part of the assembly.

The Volt Guard element of this generator protects your electronics against surges of power that can damage them. Due to this feature, you can hook up even your most sensitive electronics without having to worry about them experiencing any damage.

This generator operates very quietly, so you can use it in almost any environment without noise issues. The decibel level of this generator is similar to what you get from a basic home vacuum when it is running.

  • Fuel type: Propane or gasoline
  • Wattage: With propane, 3,420 running and 4,275 starting. With gas, 3,800 running and 4,750 starting.
  • Noise level: 68 dB
  • Rated AC output: 120 volts
  • Estimated run-time: Nine hours with gas and 10.5 hours with propane.

What We Liked

  • The handles and wheels make it easy to maneuver
  • You can run multiple items at the same time
  • It starts quickly

What We Didn’t Like

  • The battery has been reported by some to fail prematurely but it’s rare

Our Overall Impression

This dual fuel generator starts up quickly. It is also easy to put together so that you are not waiting long to start using the generator after you go it. The generator is a good choice when you need power for several days at a worksite or when your utility power fails.


3. Champion Portable Dual Fuel Generator

The Champion Dual Fuel Generator starts up fast thanks to the electric start. Once you push the button, it engages the engine and your generator starts running. There is a toggle switch that functions as the electric start.

This generator’s engine is 439cc, delivering a high level of power to keep your electricity going. However, despite its size, it is highly efficient so that you get a good run-time from each tank of fuel. You will not have to worry about low oil causing damage to your engine. The generator will shut itself off if the oil level gets below a certain point. Its oil reservoir holds 1.2 quarts.

This generator works with both propane and gasoline. You can go back and forth between both options, depending on the fuel that you prefer to use. Because of this, you can opt to grab the fuel that is most convenient, especially during inclement weather when one type may be more difficult to find than the other.

This generator can hold up to six gallons of gasoline. If you prefer to use propane, it comes with the inlet and hose that you need to connect the tank to the generator. There is a fuel selector switch that allows you to determine which type of fuel you want the generator to use when it is running.

The gauge on this generator provides you with a wealth of information. Track the maintenance intervals so that you know when the generator needs attention to keep it operating at a high level. This gauge also provides insight into the generator’s power output, run-time, hertz and voltage.

Use the GFCI protected outlets to make sure that you are in compliance with all generator usage regulations. These also ensure that your generator is safe to use in both residential and commercial environments.

This generator is quiet when it is operating. You will not disturb any neighbors who are nearby when the generator is functioning. Due to the quietness of the generator, it is also safe to be around when you are using it on a worksite where workers may be in close proximity to it when they are using their tools.

  • Fuel type: Propane or gasoline
  • Wattage: With propane, 6,750 running and 8,400 starting. With gas, 7,500 running and 9,375 starting.
  • Noise level: 74 dB
  • Rated AC output: 120/240 volts
  • Estimated run-time: 5.5 hours on propane. Eight hours on gas. This is for running at half load.

What We Liked

  • The electric starts gets it running faster
  • Due to the wattage, you can operate larger electronics
  • You can connect this dual fuel generator to a transfer switch

What We Didn’t Like

  • It may leak oil when it is running

Our Overall Impression

This is one of the best dual fuel generators since it has plenty of wattage. It is versatile and can run multiple items from refrigerators and freezers to small and sensitive electronics. The fuel efficiency is high so that you get solid run-time out of every full gas or propane tank.


4. WEN Generator (Duel Fuel)

The WEN Dual Fuel Generator can be used with a transfer switch so that your power comes back on automatically when an outage occurs. There is a selection dial that lets you go between gasoline and propane quickly, allowing for versatility regarding the type of fuel you use to power your generator.

The electric-start engine is a four-stroke type. It is 224cc and has a lot of power. With this generator, you can run a variety of appliances and other items without losing any power or efficiency. To start the engine, you turn the key and it starts up within seconds.

There is a meter on the generator so that you can track how long it has been running. The generator also has an LCD display that provides you with information such as fuel and oil levels, or whether it is time to perform routine maintenance. If the oil level gets too low and you do not notice, the generator shuts itself down. This ensures that the engine does not become damage as a result of insufficient oil.

You can connect this generator to a propane tank or add up to four gallons or gasoline. The hose that you need to connect the propane tank comes with the generator so that you do not have to buy one separately.

This generator is ideal for commercial and residential use. It is CARB and EPAIII compliant so that you can be sure that you are using a generator that operates within state and federal guidelines. Due to this compliance, you can also rest assured that the generator functions safely as long as you use it according to the instructions in the user’s manual.

The generator weights approximately 105 pounds. This makes it relatively easy to move around and lift when you need to put it onto a shelf or into a vehicle. There is a wheel and handle kit that comes with the generator. These two components are easy to install and allow you to adjust the placement of your generator without effort.

It is easy to get this generator up and running. Since the maintenance that it requires is minimal, it is ready to use when you experience a power outage. Just make sure to follow all of the maintenance instructions in the user’s manual.

  • Fuel type: Propane or gasoline
  • Wattage: With propane, 4,350 starting and 3,500 running. With gas, 4,750 starting and 3,800 running.
  • Noise level: 69 dB
  • Rated AC output: 120/240 volts
  • Estimated run-time: Seven hours with propane and 11 hours with gas when running at half load.

What We Liked

  • It has a good fuel capacity
  • This generator has a low level of total harmonic distortion for sensitive electronics
  • The portable dual fuel generator is quiet during operation

What We Didn’t Like

  • The propane hose adapter may fail prematurely

Our Overall Impression

With this dual fuel generator, you can easily monitor the function and maintenance needs of this device. This ensures that it is running at an optimal level and gets the necessary maintenance and repairs on time. Use this generator for residential and commercial electricity needs.


5. Rainier Generator (Dual Fuel)

The Rainier Dual Fuel Generator feature a reliable four-stroke engine. It is made from cast iron, so it will not fail or lose power with extended use. To turn this generator on, there is a switch on the outside of the generator that you flip. As soon as you do this, the electric-start engine starts going within seconds.

Due to the size of this generator, you can use it in a multitude of environments. For example, use it to bring power to a worksite that is not connected to utility power yet. You can also use it during a power outage at home, for a camper or RV or in the woods when you are camping.

Transport and move this generator easily due to its wheel kit. You can put the wheels on easily and quickly so that there is no waiting to maneuver your generator once you get it. This generator can also accommodate a handle so that you can pull it around where you need it to go. The wheels that come with the generator do not go flat and the handle is made of rubber for optimal durability.

This generator features a fuel gauge so that you know how much gasoline you have at any given time. You can choose between propane and gas for this generator. There is a feature that lets you switch back and forth depending on the type of fuel that you want to use.

There are several types of outlets on this generator so that you can decide what you plug into it. Use this generator for sensitive electronics and large appliances at the same time.

This generator is safe as long as you use it according to the user’s manual since it is EPA and CARB compliant. Due to this, it is also a viable generator for use on a worksite. It complies with all of the federal guidelines that you must follow when using this type of device for commercial work.

There is a VFT meter on this generator that provides you with various information about how well it is functioning. Learn about the voltage and frequency in real time due to this meter. It also provides some insight into lifetime hours and when you need to perform routine maintenance. You can keep track of this information so that you can compare it to determine how efficiently your generator is working over time.

  • Fuel type: Propane or gasoline
  • Wattage: With propane, 4,000 starting and 3,300 running. With gas, 4,400 starting and 3,600 running.
  • Noise level: 69 dB
  • Rated AC output: 120 volts
  • Estimated run-time: 11 hours on propane and 18 hours on gas

What We Liked

  • It is easier to move around compared to similar dual fuel generators
  • This generator starts easily, and you can connect it to your home with a transfer switch
  • The generator is ideal for long-term use

What We Didn’t Like

  • The generator runs great but the quality of the build is not quite as high as comparable models

Our Overall Impression

This is one of the best dual fuel generator options because it is relatively small, but it is not lacking in power. You can maneuver it easily so that you can transport it or keep it safe in storage until you need it. The wheels and handle ensure that you do not have to do any heavy lifting.


Dual Fuel Generator Buying Guide

When you are shopping for dual fuel generators, it is important to understand what all of the specifications and features are. With this information, it will be far easier to find the best dual fuel generator for your needs. Consider the following as you examine the best dual fuel generators.

  • How Much Power Do You Need from a Dual Fuel Generator?
  • What Are the Different Types of Dual Fuel Generators?
  • What is Electric Start for Dual Fuel Generators?
  • Which Features Are Important for Dual Fuel Generator?
  • Does Your Dual Fuel Generator Need a Transfer Switch?
  • Do Dual Fuel Generators Require Professional Installation?
  • What Are Running and Starting Watts on Dual Fuel Generators?
  • What Are the Most Common Fuel Types for Dual Fuel Generator?
  • What Types of Outlets Are Common on the Best Dual Fuel Generator?
  • Which Accessories Can Benefit the Best Dual Fuel Generators?
  • Where Can You Use Dual Fuel Generators?
  • Do You Have to Ground a Portable Dual Fuel Generator?
  • What Are Some Important Safety Tips for Dual Fuel Generators?
  • How Much Maintenance Do the Best Dual Fuel Generators Require?
  • Can You Use the Best Dual Fuel Generators During Severe Weather?
  • How Often Will You Use the Best Dual Fuel Generator?

How Much Power Do You Need From This Type of Generator?

When it comes to using a generator, the right size ensures that you can power everything that you need. It is also important because overloading your generator can be dangerous and cause damage to your electronics and the generator.

You will need to look at the wattage that the generator can handle when it comes to determining the right level of power. Next, know the items that you plan to connect to your generator and add up the wattage of these items. This will tell you the right wattage level that you need to safely power your appliances, devices and other electronics.

What Are the Different Types of Dual Fuel Generators?

As you look for the best dual fuel generator, knowing the types is the best place to start.

There are three primary types of generators to look at, including:

  • Home standby generators are the largest type and can power a whole house during an outage
  • Portable generators come in a wide range of sizes and typically run on propane or gasoline
  • Inverter generators tend to be the most efficient and they come in a variety of sizes

What is Electric Start for these Generators?

This feature allows you to start your generator quickly. In most cases, it involves pushing a button. Generators with this feature require a battery for the electric start to function.

Which Features Are Important for the Best Dual Fuel Generator?

You want a generator that is as efficient and convenient as possible.

To ensure this, consider the following features:

  • A four-stroke engine
  • Circuit breaker protection for all of the outlets
  • Low total harmonic distortion
  • Fuel gauges
  • High-capacity fuel tank
  • A muffler to reduce noise

Do Dual Fuel Generators Need a Transfer Switch?

A transfer switch makes it possible for your generator to provide power when utility power fails. If you want an automatic swapping of electricity, a transfer switch is a good idea. It will also shut down the generator when the utility power is restored. Just make sure that you choose the appropriate amperage. On average, a home will need a 200-amp transfer switch.

Do These Generators Require Professional Installation?

If you plan to use a transfer switch with your generator, a professional electrician should handle the installation. They will ensure that it is done properly so that your generator works properly and to avoid any electrical hazards.

Working work an electrician also ensures that everything is up to code. This is imperative because the codes are legal guidelines that must be followed for both residential and commercial generator use.

What Are Running and Starting Watts on Dual Fuel Generators?

When you are determining the wattage that you need for a generator, you will look at both the running and starting watts. The wattage necessary to turn your electronics on is the starting wattage. The wattage needed to keep the items operating is the running wattage.

What Are the Most Common Fuel Types?

These types of generators run on gasoline and propane in most cases. Both of these fuels are relatively efficient. However, most generators get a little more run-time when operating on gasoline.

What Types of Outlets Are Common on the Best Dual Fuel Generator?

There are several outlet types that you can find on generators:

  • Standard wall outlets
  • 120/240-volt outlets
  • RV outlets
  • 12-volt adapter outlet
  • Battery charger outlet
  • Parallel adapter outlet

Which Accessories Can Benefit the Best Dual Fuel Generators?

There are several accessories that you can use to protect your generator and make using it more convenient. A cover that is designed specifically for your generator can protect it from the elements. You might also consider a handle and wheel kit if your generator does not come with one automatically.

Another handy accessory is an hour meter. If your generator does not have one built in, you can install one yourself relatively quickly. This will tell you how many hours you have run your generator so that you know when to perform routine maintenance.

Where Can You Use Dual Fuel Generators?

These generators work in commercial and residential environments. If you choose a portable one, you can also use it for camping, with an RV or for activities like tailgating.

Do You Have to Ground a Portable Dual Fuel Generator?

You must properly ground your generator, or it could cause electrocution. The owner’s manual will discuss the steps that you need to take to ground it. If you cannot perform these steps yourself, an electrician can help you to ensure that the generator is properly grounded.

What Are Some Important Safety Tips for Generators?

When you are using your generator, you must follow all of the information in the owner’s manual.

Common safety tips include:

  • Keep the generator dry
  • Provide ventilation
  • Ensure the proper distance between your home and the generator
  • Do not add too much oil or fuel
  • Perform routine maintenance on time

How Much Maintenance Do the Best Dual Fuel Generators Require?

You should look at the owner’s manual to familiarize yourself with the necessary routine maintenance that your generator requires. It is imperative that the maintenance is done on time to prolong the life of your generator. On average, today’s generators do not require hefty or frequent maintenance, so they are relatively easy to maintain.

Can You Use the Best Dual Fuel Generators During Severe Weather?

You can use this type of generator when the weather is severe. However, you must ensure proper placement so that it does not experience weather-related damage. There are covers that you can use to provide insulation and protection against extreme temperatures and moisture.

How Often Will You Use the Best Dual Fuel Generator?

To choose the best generator for your needs, you have to consider how often you will use it. If you live somewhere that gets frequent power outages, consider a generator that is designed for long-term and frequent use. The same is true if you use it at worksites often.