Best Inverter Generator

Best Inverter Generator of 2021 Reviews with Comparisons

When it comes to fuel- and cost-effective generators, an inverter generator beats the competition. That said, finding the right model can be a challenge.

After all, there are so many out there that it can make your head spin. In this article, we will be reviewing 5 of the best inverter generator options available on the market to help you get started towards your purchase.

Absolute Best Inverter Generator
Westinghouse iGen2200 Gas Powered Inverter Generator Westinghouse iGen2200 Gas Powered Inverter Generator
  • Perfect for providing power to home appliances and or generating temporary power on construction sites.


  • Has the ability to operate for up to 12 hours on 1.2 gallons of gasoline with Economy Mode on.


  • Can deliver 1,800 watts of continuous power with its 79cc 4-stroke OHV Westinghouse engine.



  • Weighs just 46 lbs and is equipped with a sturdy carrying handle for easy portability.

Comparison Chart

RANK

PREVIEW

MODEL

RATING

BUY

Best Overall

1

Westinghouse iGen2200 Portable Inverter Generator

100%

Runner Up

2

Generac 7117 GP2200i Portable Inverter Generator

90%

Premium Choice

3

Honda EU2200i Portable Inverter Generator

80%

Great Value

4

Pulsar G2319N Portable Inverter Generator

70%

Bargin Budget

5

WEN 56200i 2000-Watt Portable Inverter Generator

60%

Best Inverter Generator Reviews

1. Westinghouse iGen2200 Portable Inverter Generator

If you want a slightly larger and more powerful generator than the one above, one with a slightly larger fuel tank, the Westinghouse iGen2200 Portable Inverter Generator might be right for you.

Review

This generator can put out 1,800 watts of continuous power, making it an ideal option for powering a couple of smaller appliances, tailgating, camping, and other such purposes. It’s not a huge amount of power, but it is ideal for power outages and other basic needs, as it does have enough juice to run home essentials.

What is nice about the Westinghouse iGen2200 Portable Inverter Generator weighs only 46 pounds and has a very compact frame, making it ideal for storage and transportation. You can easily fit it in a car or a closet.

The fact that the Westinghouse iGen2200 Portable Inverter Generator is an inverter model means that it is very fuel-efficient and is, in fact, one of the most fuel-efficient models around. With a full tank of gas, which in this case is 1.2 gallons, this unit can run for up to 12 hours. There is also an economy mode to increase fuel efficiency even more, although this does reduce power output.

Something that we love about this portable generator is that it is CARB, EPA, and USFS compliant, which means that not only is it fuel-efficient, but as far as gas generators go, quite eco-friendly as well. The Westinghouse iGen2200 Portable Inverter Generator comes with dual 120V 20A and two USB port outlets.

You will also find that it is a quiet generator that won't disturb you or anyone else nearby. 

PROS

  • Durable build
  • Fuel efficient
  • Long runtime on a single tank
  • Very eco friendly
  • Good warranty
  • Very quiet

CONS

  • Could use more outlets

2. WEN 56200i 2000-Watt Portable Inverter Generator

If you are looking for a small, portable generator for emergency situations and for being on the go, this WEN 56200i 2000-Watt Gas Powered Portable Inverter Generator deserves a second look.

Review

One great aspect of this generator is that it is very small, lightweight, and portable, so much so that it can be picked up with a single hand and carried around with ease. It’s the perfect thing to have to power a couple of small things in the event of a power outage, for tailgating, for the job site, and for camping too.

The WEN 56200i 2000-Watt Gas Powered Portable Inverter Generator is CARB and EPA compliant, which means that this model is quite eco-friendly as far as gas generators go.

Moreover, due to using inverter technology, it only uses as much fuel as needed to meet current power demands. It produces clean energy, which is safe for sensitive electronics.

It has a 1-gallon fuel tank, which can run for about 9 hours on ¼ load. Keep in mind that this unit is rated to produce 1,600 watts of continuous energy, enough for a couple of small appliances. It comes with dual 3-prong 120V outlets, a 12V DC outlet, and a 5V USB port outlet.

PROS

  • Small and lightweight
  • Fuel efficient
  • Safe for sensitive electronics
  • Quite durable
  • Perfect for small emergencies and power needs
  • Good number of outlets

CONS

  • Limited fuel capacity

3. Honda EU2200i Portable Inverter Generator

Moving up the list, here we have a generator that has a bit more power than the two we previously looked at. Due to the inverter, it’s reliable and clean energy, plus it has a super quiet operation.

Review

A notable feature is that the Honda EU2200i Portable Inverter Generator can produce up to 2,200 watts of power, which should be more than enough to power essential appliances in your home or RV, for camping, heavy-duty power tools, and more.

However, the real kicker is that it features a dual coupling system, so if you have the right accessories, you can actually hook two of these units together for a full 4,400 watts of power.

The Honda EU2200i Portable Inverter Generator is that it is also one of the quietest generators around. Sure, it still makes some noise, but when compared to others, it’s like a whisper. Moreover, this generator weighs only 40 pounds, making it fairly lightweight. It comes with a handle for easy carrying.

Because it uses inverter tech, it produces constant and clean energy that is safe for sensitive electronics. Moreover, due to the inverter tech, this unit is extremely fuel-efficient.

A single tank of gas can last for up to 8 or 9 hours, depending on the load. Keep in mind that the Honda EU2200i Portable Inverter Generator comes with dual 120V 3-pronged AC outlets and a 12V DC outlet.

PROS

  • Good runtime
  • Very fuel efficient
  • Lightweight
  • Quiet
  • Portable

CONS

  • Oil change is not easy

4. Generac 7117 GP2200i Portable Inverter Generator

If you need a good generator for emergency situations and power various electronics/equipment on the go — for a reasonable price — you might want to check out the Generac 7117 GP2200i Portable Inverter Generator.

Review

The Generac 7117 GP2200i Portable Inverter Generator produces 2,200 watts of power, more than enough to power essential home appliances, some heavy power tools, and similar things. This model is also parallel-ready, which means that you can combine two of them together for a full 4,400 watts of power.

This generator is an inverter, which automatically makes it extremely fuel-efficient. It has a 1.2-gallon fuel tank, which is not huge, but when running at ¼ load, it can last for about 10 hours, although the runtime on a full load is not spectacular.

However, because it features an inverter, it produces clean and stable energy that is safe for sensitive electronics. It even comes with an economy mode to increase fuel efficiency just that much more.

The Generac 7117 GP2200i Portable Inverter Generator weighs only 46 pounds and comes with an easy-carry handle for transportation, plus it comes with an easy-start feature. You might also like how this unit comes with a number of AC, DC, and USB port outlets so you can power virtually anything.

Finally, what also stands out is how this inverter generator is made with very durable and high-quality materials.

PROS

  • Lightweight and portable
  • User friendly
  • Durable
  • Good for powering various appliances/tools/electronics 
  • Many outlets
  • Quiet

CONS

  • May overheat with prolonged use

5. Pulsar G2319N Portable Inverter Generator

This inverter generator might be just what you need for emergency situations and to power various electronics, power tools, and more.

Review

The Pulsar G2319N Portable Inverter Generator can produce up to 2,300 watts of peak power and 1,800 running watts; this is not super powerful, but it does alright at powering smaller 120V appliances, electronics, and other such things. It might not be huge, but it will help in an emergency situation.

That said, it does have parallel abilities, so you can hook two of them together if need be.
Because this model is an inverter, it produces safe and clean energy that is safe to use for small and sensitive electronics like smartphones and tablets. Of course, this inverter tech also leads to greater fuel efficiency.

The Pulsar G2319N Portable Inverter Generator has a decent fuel capacity and runtime, although also not stellar. It can take up to 1.18 gallons of fuel, and when running at 50% load, it can run for nearly 5 hours, with about 2 hours of runtime on a full load.

You may also like that it weighs only 47 pounds and comes with a suitcase design for easy carrying. It’s a portable generator that is ideal for things like camping, tailgating, and short power outages at home.

In terms of outlets, the Pulsar G2319N Portable Inverter Generator has dual 120V AC outlets, a single 12V DC outlet, and a single 5V DC USB outlet. The other thing worth noting is that this generator is also fairly quiet.

PROS

  • Super quiet operation 
  • Good for smaller needs
  • Parallel ready
  • Fuel efficient
  • Ideal for sensitive electronics

CONS

  • Warranty is not great

Best Inverter Generator Buyer's Guide

Now that we have offered our top 5 recommendations for the best inverter generator, let's take a closer look at some things you should definitely keep in mind as you make your decision. 

Sizing an Inverter Generator

Now that you know the aspects to review let's see how the right sizing of an inverter generator should be done.

There are definite differences in the use and wattage of these generators. You can typically choose between 1,000, 2,000, and 3,000 watts. You can also choose to use a generator wattage calculator if you need help determining your actual power needs.

Compact Inverter Generator

This generator can produce between 800 and 1,000 watts of power, which is just enough to power one or two appliances simultaneously. By appliances, we also mean smaller appliances like a coffeemaker and a toaster.

Small Inverter Generators

These inverter generators can generate between 1,600 and 2,000 watts of electricity. You can power multiple appliances at once. 

Medium Inverter Generators

If you have an RV, then this size generator can produce enough power to run a rooftop RV air conditioner unit while also running another small appliance, like a microwave, at the same time. A medium inverter generator or RV generator is great for traveling.

Connect Two Generators

Need more power? Then connect two generators. When you combine two generators, you can double the power while still not having to deal with a lot of loud noise as you would with a larger, more traditional generator.

Fuel Efficiency

Fuel efficiency is one of the more important aspects to consider as you narrow down your choices for the best inverter generator. Inverter generators are already much more fuel-efficient than other generators because the inverter's engine speed adjusts according to its power needs. Many other generators run on one engine speed, and the excess power is ultimately wasted. The fuel savings alone with an inverter generator can prove to be significant.

Noise Level

Another aspect to consider is the noise level of the inverter generator you choose. Many portable generators have a constant humming sound that can prove to be quite loud. An inverter generator is a much quieter option because the engine throttles back. It runs at low throttle and has a much quieter operation.

The Size

Inverter generators are also much smaller than most portable generators. This means they are much easier to transport and store and can fit nicely in cars and recreational vehicles, so you don't have to worry about finding extra room when you need to take your inverter generator along for the ride.

Power

A portable generator can support over 10,000 watts and can sustain this for several hours at a time. An inverter generator will be more limited; however, you will focus on efficiency and portability. 

Best Inverter Generator FAQ.

Still have questions? Read on below for the answers to some of the more commonly asked questions regarding an inverter portable generator.

What is inverter generator technology?

With inverter technology, the generator throttles the engine up and down to meet the running full tilt demands. This allows for optimal fuel efficiency, so you don't have to fill up the tank as often. An inverter generator also produces fewer emissions and is also very quiet when compared to a traditional generator.

What is the difference between an inverter generator and a regular generator?

The main difference between an inverter generator and a traditional generator is the kind of electricity it produces. A conventional generator, for example, only produces AC electricity. On the other hand, an inverter generator produces electricity in three phases: high-frequency AC to DC and back to a stable AC. 

Can an inverter generator run a refrigerator?

You can find inverters in different power capacities, and some actually are powerful enough to run a refrigerator. You need to check the running power and starting watts to be sure.

What is a parallel capability?

Parallel capability is actually a bonus when it comes to inverter technology. You can use a special cable to link two EU10000i, two EU2200i, two EU30000 Handi, or two EU3000is generators together. It allows you to double your power output. 

What are some popular features for inverter generators?

As already mentioned above, some of the more notable features of an inverter generator is its quiet operation, fuel efficiency, and portability. 

How important is the brand when buying an inverter generator?

If you are looking for an inverter generator that will prove reliable and work as intended, you will want to consider purchasing from a reputable brand. 

What powers generators?

Generators can be powered by gasoline, diesel, propane, natural gas, or even solar energy. Some allow you to switch between different fuel types, while others may have a dual fuel option. A dual fuel generator can switch from running on gasoline to propane. There is a fuel selector knob that allows you to switch between the two fuel types.

FINAL VERDICT

Inverter generators are some of the best out there when it comes to fuel efficiency. Decide how much power you need, how portable the unit needs to be, and what your needs are. Once you figure these out, selecting the best inverter generator becomes much easier.

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