What is the best dual fuel inverter generator? Make sure that the product is equipped with an engine with varying speeds. When choosing between a 2-stroke and 4-stroke engine, opt for the latter because it is more fuel-efficient. Four-stroke engines take 4 strokes of the piston and 2 revolutions of the crankshaft to complete a power cycle. Another thing to consider is a power that ranges from 2,500 to 5,000 Watts. We recommend models that produce more than 3,000 Watts as they are powerful enough while being portable.

Also, consider the type of cooling system of your inverter generator. A more versatile option is the air-cooled engine that circulates air directly over the engine’s hot areas and out through metal fins. Also, consider the type of cooling system of your inverter generator. A more versatile option is the air-cooled engine that circulates air directly over the engine’s hot areas and out through metal fins. As for the tank volume, you will not need a large fuel tank because inverter generators should be lightweight and compact.

What Are the Trusted Dual Fuel Inverter Generator Manufacturers?

Westinghouse dual fuel inverter generators

Westinghouse has offered high-quality, human-focused product design and technologies for more than 130 years. It is a leader in manufacturing reliable and power-driven portable generators. Westinghouse also offers its customers a nationwide service center network and lifetime technical support.

DuroMax dual fuel inverter generators

DuroMax is a leader in the US power equipment market with a strong, evolving, EPA emissions-certified engine line. It boasts its generators are built with all copper windings guaranteed to last for years.

Champion dual fuel inverter generators

Champion (Power Equipment) is a market leader in work, home and recreation power generation equipment that is designed and engineered in the US. Their generators are EPA-certified and CARB compliant. Champion offers its customers a nationwide service center network and lifetime technical support. 

We believe that the Champion Power Equipment 100574 4000-Watt Inverter Generator meets these criteria best. 

Why have we chosen it? The machine is made by Champion Power Equipment, which is a leader in the industry of power generation equipment. Founded in California in 2003, the company manufactures all kinds of generators, engines, and log splitters. Its engineers have developed a range of products with the use of innovative technologies, including dual fuel generators and those with remote starting functions. This product is pretty powerful, producing 4,000 starting watts and 3,500 running watts on gasoline fuel. That said, it is portable and weighs only 99 pounds. The unit boasts enhanced safety properties due to its low-oil shut-off sensor. It comes with a push-button electric and recoils Touch Start, Smart Charger battery and Cold Start Technology. The product is EPA-certified and CARB-compliant.

Buyer's Guide

Inverter generators are designed to provide a constant current flow to your attached appliance. Advanced electronic circuitry and technologically advanced magnets convert AC current to DC voltage and back into clean AC voltage. These generators are more expensive due to the complexity of their engines, but they provide quiet, efficient, and longer-running operation.

Dual fuel inverter generators may be connected to either a natural gas line or propane tank as well as run on gasoline.

What to Consider When Buying a Dual Fuel Inverter Generator

  • Engine. Inverter-equipped generators have innovative engines that vary the speed according to the load they are under.

Two-stroke (two-cycle) engines have few moving parts. They produce power in one up/down piston motion and crankshaft revolution. The start of the compression stroke and end of the combustion stroke occur simultaneously. Intake and exhaust also occur at the same time.

Four-stroke (four-cycle) internal combustion engines take four “strokes” of the piston and two revolutions of the crankshaft to complete a power cycle. The cycle begins with the piston pulling in air. The air-fuel mixture is compressed and the first crankshaft revolution is completed. The air-fuel mixture is ignited by a spark plug or diesel-generated heat, which creates the power to turn the crankshaft a second revolution.

  • Phases. Most portable dual fuel inverter generators are small single-phase units. Single-phase generators produce a continuous alternating electrical current, or, voltage. They are used when the loads being driven, such as a single appliance or tool, are light.

Three-phase generators are typically very large and used for power distribution, such as those used in an energy grid or to feed several single-phase loads. They may power stoves or dryers fed by a split-phase 240V system (two of a three-phase system).

  • Power. An inverter generator is designed to produce electrical power closely equivalent to line power used in homes. The system does not depend on engine speed to produce power. Clean power is generated after raw AC electricity is converted into 12V DC power, and then inverted back into clean 120V AC power at preferred voltage and frequency. The output is typically lower than that from a conventional generator.

Large, heavy (250+ lbs.) inverter generators that can be directly connected to an electrical panel can generate 4,000 - 5,000 watts of power. Mid-sized inverter generators produce 2,500 - 4,500 watts. They are portable (approx. 80 lbs.) and well-suited for running RV appliances. Small recreational units (50-60 lbs.) produce approx. 2,000 watts and are conveniently portable camping or tailgating units.

  • Cooling System. Most of the engine’s heat is dissipated through its exhaust. Air-cooled engines circulate air directly over the engine’s hot areas and out through metal fins. Air-cooled systems are used where liquid cooling is unsuitable.
  • Fuel Consumption Rate. Inverter generators are more fuel-efficient because they do not need to constantly run at full throttle. They are designed to vary their engine speed according to the power load. Fuel consumption and emissions are reduced as much as 40 percent.
  • Tank Volume. Since inverter generators are designed to be lightweight, compact and efficient, they do not need large fuel tanks. Their limited fuel capacity reduces run times to approx. 10 hours.
  • Operational Continuity. An inverter generator can be connected to another identically sized unit in parallel to double the power output and capacity. No new transfer switch connection is necessary and you can increase an average 4,000W inverter generator to wattage and amperage of one very large-sized conventional generator.

Advantages of Dual Fuel Inverter Generators

Dual fuel inverter generators are quiet, clean, more efficient and reliable. They also tend to be more portable and run longer. Their size, weight, portability and reliability make them attractive units for RVing, tailgating, boating, home power emergencies, and more. A major advantage is the “clean” power inverter generators produce to safely run a variety of today’s sensitive electronic devices and gadgets.

You want to be able to count on your backup when the power goes out or you are far away from any power source. A dual fuel inverter generator gives you the option of fuel sources to ensure a continuous power supply: gasoline, propane or natural gas connection. Gas may be a natural first choice, but propane is safer to store and lasts longer.

Inverter generators are also more fuel-efficient. The engine is designed to adjust to the power load needed, so it does not continually run at full speed or use as much fuel. Inverter generator engines are also quieter than standard generators. Their mufflered, sound-dampened engines that run quieter when they throttle down for lighter loads are typically encased in acoustic cabinets. Most emit noise between 50 dB and 65 dB.

Honda dual fuel inverter generators

Honda has manufactured power equipment products globally since 1953. It is a leader in developing fuel-efficient, low-emission, 4-stroke engines for generators and other power equipment.

Dual Fuel Inverter Generator Product Reviews

Below, you will find a review of the best dual fuel inverter generator at a price ranging from $570 to $1200. You may choose a model with a Smart Economy Mode, with a 4-stroke, single-cylinder engine or a powerful, fuel-efficient unit with a remote start. There is also a budget option that boasts a lightweight and compact design.

1. Champion 3400-Watt Dual Fuel RV Ready Portable Inverter Generator | Best Smart Technology

The portable Champion 100263 dual fuel inverter generator is a lightweight 99lbs. encased in a durable cast iron sleeve. It produces less than 3% THD clean power to run your LCD/plasma TV, laptop, mobile devices and other sensitive electronics. Its Smart Economy Mode enhances fuel efficiency and reduces noise to 59dBA (at a distance of 23 ft.).

This parallel-ready inverter generator has a 4-stroke, single-cylinder, 192cc, air-cooled engine that runs on gasoline or propane fuel “right out of the box.” The Champion 100263 produces 3,400 starting watts and 3,100 running watts on gasoline fuel. It can run up to 7½ hours (at 25% load) on a full tank of gas. It also produces 3,060 starting watts and 2,790 running watts up to 14½ hours on a 20lb. propane tank. A low-oil shut off sensor is included for safety.

The Champion 100263 dual fuel inverter generator also features a push-button electric and recoil Touch Start, Smart Charger battery and Cold Start Technology. It has a 120V, 30A RV Ready (TT-30R) / standard 50A RV outlet, 12V, DC outlet with a dual USB adapter and two 120V, 20A household outlets. A folding handle and never-flat tires make for easy transport. A propane hose w/built-in regulator is included. Inverter cover and Parallel Kit are sold separately.

Pros: Cons:
  • EPA certified; CARB compliant
  • Fully assembled
  • CA Proposition 65 warning

Champion Power Equipment 100263: Check the current price

2. Westinghouse iGen Dual Fuel Portable Inverter Generator | Best Fuel-Efficient

Westinghouse iGen4500DF is a portable, lightweight, dual fuel digital inverter generator. It produces less than 3% THD clean power to run your LCD/plasma TV, laptop, mobile devices and other sensitive electronics. It operates at a low 52dBA noise level making it conducive to neighborhoods, campsites, and outdoor activities.

Its powerful, fuel-efficient, 224cc, 73 hp Westinghouse OHV variable speed engine runs on your choice of gasoline or propane fuel. The iGen4500DF has a 3.4 gal. gas tank. It generates 3,700 running watts / 4,500 peak watts operating on gasoline fuel. It generates 3,330 rated watts / 4,050 peak watts operating on propane fuel. The iGen4500DF inverter generator is CARB compliant and can run up to 18 hours at 25% load.

The Westinghouse iGen4500DF dual fuel inverter generator also features a push-button electric start, key fob remote start (up to 109 yds. away) and an LED fuel, power output, time remaining data center. It has a 120V, 30 A TT-30R RV Ready Outlet, 5V, DC USB ports and two 120V, 20A household outlets. A convenient telescoping handle and wheels aids portability.

Pros: Cons:
  • Easy, quick start
  • Portability
  • Efficient
  • EPA certified; CARB compliant
  • Noise level (some say it’s quiet; some say it’s noisy)

3. Champion Power Equipment 100402 2000-Watt Dual Fuel Inverter Generator | Best for the Money

The compact and versatile Champion Power Equipment 100402 is an affordable, lightweight, 50-pound, dual fuel inverter generator. It produces less than 3% THD clean power to run your LCD/plasma TV, laptop, mobile devices and other sensitive electronics. It operates efficiently at an ultra-quiet 53dBA (at a distance of 23 ft.) in Economy Mode, making it ideal for campsites, RVs, power outage, outdoor activities and more.

This parallel-ready inverter generator has an 88cc engine that runs on gasoline or propane fuel “right out of the box.” The Champion 100402 produces 2,000 starting watts and 1,600 running watts, and runs up to 11 hours on a full 1.1 gal. tank of gas or up to 24 hours on a 20lb. propane tank. A low-oil shut off sensor is included for safety.

The Champion 100402 dual fuel inverter generator also features an EZ Start Dial, Cold Start Technology, Low-Oil indicator, Maintenance and illuminated Fuel Fill Assist LED Control display. It has a 120V, 30A RV Ready (TT-30R) outlet, 12V, DC outlet and two 120V, 20A household outlets. A propane hose w/built-in regulator and dual USB adapter are included. The optional ParaLINK Parallel Kit is sold separately.

Pros: Cons:
  • Price
  • Push-button, illuminated LED control
  • FIRST startup may be difficult

Champion Power Equipment 100402: Check the current price

10 Best-Selling Dual Fuel Inverter Generators in Canada | Comparative Table

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Testing & Customers Reviews

We found reviews from real YouTube bloggers about the products from our article.

Silver Cymbal: "This thing is loaded with features. Of course you could run on gasoline but this thing even runs on propane. It uses the same tanks that you use for your gas grill. But the features don't stop there because you've even got remote start. Best part is it's actually affordable. I've reviewed a lot of generators but I've never seen one that has the features of this or the same ease of use and that's what makes this so different. This is the Westinghouse iGEN4500DF generator. What I love is that they include all the propane components you need. You get the regulator along with a connection hose. There's been generators available for years that ran on propane but you had to kind of put them together yourself or modify them. This thing comes from the factory ready to go with everything you need. You also get the oil, a funnel, even some tools to get started. This is very different especially in this price category.

This thing weighs a little bit but they've done something really clever here. It's got this pullout trolley handle that lets you balance the machine. You can easily transport it around. Then a great job with this control panel. There's a ton of stuff in a small space. I love that they put these rubber protective covers on there to keep the outlets from getting rain or dirt in there. And you've got an RV outlet along with the standard household plugs. And in addition of course you've got parallel operation outlets which just means that you can connect two of these together if you want. And they've even included things like this USB plug so you can power things like your phone or a computer. They also give you a digital gas gauge which is very unusual. And just like in a fancy car you've even got push-button start which is pretty cool and you do have a pull start cord as well if you need it. There's no choke on this generator and all that means is that once you've put your fuel in and you pull start it there's nothing else to worry about. This thing just runs and you don't have to touch it again. You should note that when you're running on propane you're only gonna get about 3,300 Watts because propane is always gonna put out a little bit less power. And that cool digital gas gauge unfortunately doesn't work when you're using propane because it can't tell how much is in the tank.

This generator is very quiet. It's only about 58 to 59 decibels. This iGEN4500DF also includes a remote starter and this can be very handy especially if you're in a campsite or you want to just be able to remotely control it. And it is so simple to use you just push the button to either on or off and the machine will completely fire up. And this is why having no choke is really critical, because if you had a manual choke a remote starter could never work properly. But in this case it's simple to use and you have complete control over the machine. Overall this generator is absolutely awesome because they packed it full of features, made the price affordable and you get the dual fuel operation. I've never reviewed a propane generator in the past because they were usually garbage. You had to either hack up your own generator or they were like a homebrew solution. This is a factory built model that everything gets included in a box and you're ready to use it no matter what kind of fuel you want to use."

Mrgunsngear Channel: "Champion 2500-Watt Dual Fuel Inverter Generator is very very lightweight which is one of the big benefits of it. It weighs 39 pounds. So for a generator that's putting out that much power super portable and just very easy to deal with all the way around. We have the ECO mode which is going to be the default setting of it unless you're putting a higher load on the system. So what that ECO mode does is it allows it to run at less RPMS and just conserves energy so with a full tank on this which is 1.1 gallons it's going to give you just over 11 hours of runtime if it's running at 20% capacity. It does come with a propane hookup you don't have to go out and buy one. It's going to come with this USB adapter for our 12-volt power source and of course that'll run anything that runs off of a 12-volt power source. So anything you can run in your car you can run it right there as well.

One of the cool things about these small Champion inverter generators is the paralync system. So the paralynk works with all different types of sizes of Champion generators but this specific one here with the 30 amp plugs and the 30 amp locking plug works with any of the Champion inverter generators that are rated from 2000 to 3000 starting watts so you can mix and match. Thing is rated at 53 decibels so that's right about what you would expect sound wise from a dishwasher. Now how do they do that? Couple ways. Number one is an enclosed unit versus an open frame unit. So being enclosed makes it quieter by default and then additionally inverter generators due to the way their electronics work simply are quieter. So those two things combined make it a very very quiet unit which is nice if you're out camping at a campground or just even if you're powering things in your house if you don't want to hear generator noise all night long as it's working so.

I'm not recommending these for whole house. I'm recommending them for short term use, camping use, powering your refrigerator, microwave or a heater, an air conditioner something like that. They absolutely can do it and again being so portable and lightweight is awesome. Additionally one of the benefits of having that ability to use propane is that propane doesn't go bad. Storing gas can be problematic if you're going to do it long term. So with propane it eliminates that and you can have very large propane tanks stored up and you may never use them for years but when you go to use them they'll be good to go and you can run this generator off of it. They are epa and carb certified if that matters where you live. So if it's that's important to you just know that they are certified for that. They run clean. They run a long time. I've never had an issue with any of my Champion generators and they've performed well."

Other Popular dual fuel inverter generators

FAQ

How do dual fuel inverter generators work?
They can run on two different types of fuel (i.e.: gasoline, propane, or a natural gas connection). They have a built-in inverter that converts DC current into high frequency clean AC power to safely run your electronic devices.

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