Best 3500 Watt Inverter Generators (Reviews) in 2021


Inverter generators are becoming a regular fixture in many people’s life quickly. These generators come with a unique design that allows them to provide fresh, pure, clean sine wave power that can run any appliance or device with a sensitive circuitry. That makes them ideal for charging the sophisticated electronics like laptops, smart TVs, and the likes when the power is out. Furthermore, inverter generators are super silent, compact, and portable, and also fuel-efficient.

With that said, I believe you need a high-performing, reliable 3500-watt inverter generator perfect for your needs. Right? Well, you’re in the right place. As you well know, there are lots of these generator models. And since I understand well the hassle many buyers go through, I have decided to give you this article. It has a buying guide and top best products, all to assist you in buying the right unit. So, read it to the end.

A 3500 watts generator is powerful enough to run different appliances in your home. If you have a lot of devices, you would like to power, and then you need a generator which can do the job well.

Going for the best generator will be a great deal because you will have a source of power to keep different essential processes in your home running. You need to buy the best 3500-watt inverter generator so that you can enjoy the best performance.

There are several generators out there which can confuse you when trying to locate the best. To avoid confusion, you need to research and find the best generator. There is no need to be stressed on where to access the best 3500-watt inverter generator, I have researched to make work easy for you when trying to buy the right generator.

Best 3500 Watt Inverter Generator in 2021

1. Champion 100302 DH Series Inverter w/Quiet Technology

Champion 4000 Watt – Frame Inverter with Quiet TechnologyChampion 100302 is the first model here. The generator uses Champion’s innovative Digital Hybrid Technology to ensure it is 50% quieter and 20% lighter. It does also use Advanced Feature-Packed Power Solution, which includes Quiet Technology, Economy, Clean Power, and Mode Extended Run Time. All these ensure you get reliable, clean, and safe power for a long time.

The Inverter Technology employed here ensures the generator provides clean, sine wave power safe and stable enough to run sensitive appliances. Another thing, this model runs on a robust, reliable 224cc Champion OHV engine to ensure it delivers 3500 running watts and 4000 surge watts. Its parallel capabilities, on the other hand, allows you to increase the power output by connecting another Champion 100302 with this.


  • Reliable 224cc Champion OHV Engine
  • Digital Hybrid Open Frame Design
  • Convenient Quiet Technology
  • Clean, stable electricity
  • Parallel Capabilities
  • RV Ready


  • No Voltmeter
  • No Automatic Voltage Regulation

2. Pulsar PG4000iSR Quiet Inverter Generator w/Remote Start

Pulsar PG4000iSR Quiet Inverter GeneratorMy next model for you is the powerful, heavy-duty Pulsar PG4000iSR Inverter Generator. It comes as a portable, gas-powered model delivering reliable 3, 500 running watts and 4, 000 peak watts. The generator can provide you with enough power for up to 15-hours of extended operation at 50% load and on 3.4-gallons fuel.

Many also adore this inverter generator for its super quiet operation, which makes it virtually silent from ten feet away. Another commendable feature is the compact design that features an extendable handle and two never-flat wheels for secure storage and handling. The Stable Sine Wave Technology used on this model gives the generator the power to provide pure, safe electric power for running and charging sensitive appliances.


  • Convenient wireless remote start
  • Stable sine WAVE Technology
  • Compact, lightweight design
  • Carb, EPA, & CSA approved
  • Pure, safe electrical power
  • Parallel capability


  • No idle
  • Parallel kit sold separately

3. Westinghouse iPro4200 Industrial Inverter Generator

Westinghouse iPro4200 Portable Industrial Inverter GeneratorAnother ground-breaking inverter generator you can buy is the high-performing Westinghouse iPro4200. It comes as an industrial portable inverter generator designed to provide 3500 running watts and 4200 starting watts of power. The generator is engineered for both professional and industrial applications.

The powerful and reliable 212cc Westinghouse OHV engine allows it to provide enough energy to run your power tools and also the job site essentials. Its heavy-duty construction, durable steel tank, and a rugged steel frame ensure it last for a lifetime. Another thing, the generator is OSHA compliant with a full panel GFCI protection. There is also an ‘Efficiency Mode’ put in place to increase fuel efficiency.


  • Durable Steel Fuel Tank and Rugged Frame
  • Reliable 212cc Westinghouse OHV Engine
  • Fuel-Saving ‘Efficiency Mode’
  • Automatic Low Oil Shutoff
  • Full Panel GFCI Protection
  • Overload Protection


  • Quite heavy
  • No portability wheel kit

4. Westinghouse Hybrid iGen4200 Inverter Generator

Westinghouse iGen4500DF Dual Fuel Inverter GeneratorIf you’re yet to find a generator to match your needs, here is another reliable model from Westinghouse, The iGen4200. It’s a hybrid open frame inverter generator ideal for providing whopping 3500 Rated Watts and 4200 Peak Watts of power. It’s also portable, thanks to its small, transportable size and design.

The unique combination of inverter technology and open-frame design, you get a transportable, versatile power source. The generator is also engineered to dynamically adjust the engine speed based on the amount of power you’re drawing from it. That helps in reducing exhaust emissions, boost fuel economy, and best of all, extend the engine life. It’s a generator you can rely on for a variety of applications.


  • Dependable Westinghouse Engine
  • Quieter operational volume
  • Durable open frame design
  • Dedicated Efficiency Mode
  • Inverter technology
  • It’s RV Ready


  • Minimal Assembly Required
  • Difficulties changing engine oil

5. Champion DH Series Inverter w/Wireless Remote Start

Champion 4000 Watt – Frame Inverter with Quiet TechnologyThe next model is another top-class generator from Champion Power Equipment, the 100573 DH Series with open frame design. It’s an RV-ready inverter generator that delivers power exceptionally, both for home use and also industrial use. It’s here to energy your life on a whole new level, thanks to its feature-packed, innovative design. As a Digital Hybrid Inverter generator, it does come in small, lightweight crafting that allows you to take it wherever you want.

The model also features a fold-way handle and two never-flat tires, which makes it super easy to maneuver and store. When it comes to starting the generator, the process is straightforward. And for better performance, the generator has Cold Start Technology allowing easy stating of the engine in cold weather.


  • Feature-packed, innovative design
  • Reliable 224cc Champion engine
  • Quiet, lightweight design
  • Wireless remote key fob
  • Low oil shut-off sensor
  • Cold start technology


  • Unreliable Customer Support

6. Generac 7127 iQ3500 Inverter Generator

Generac 7127 iQ3500 Inverter Generator Quieter Than HondaNow, I give you a unique, and durably-made portable inverter generator designed with quality and quietness in mind, the Generac iQ3500. The generator features advanced inverter technology and a total-enclosure design that ensures it provides optimal quiet performance. According to third-party testing, this model is 40% more silent and 16% more potent than the Honda EU3000is.

Durability here is something commendable. The generator features a durable steel enclosure designed to protect all the internal components and also stay rust-free. The lightweight, compact, enclosed design makes it easy to transport and store. The PowerRush Advanced Technology employed here allows the generator to provide more starting power.


  • PowerRush advanced technology
  • Advanced inverter technology
  • Optimal quiet performance
  • Start/Run/Stop PowerDial
  • Clean inverter power
  • Smart Digital LCD


  • No Wheel Kit
  • Parallel Kit sold separately

7. Predator 3500 Watt Super Quiet Inverter Generator

Predator-3500-Watt-Super-Quiet-Inverter-GeneratorIt is a generator with a powerful engine which delivers excellent results. After trying the generator for some time, it proved to be very useful in powering different devices in my home.

With up to 11 hours run time, it is a real generator which has never let me down. The digital LCD screen and the low oil indicator make it easy for me to know when it is time to top up the oil. Output light indicators make it easy to see when the generator is running.

Integrated rolling casters allow for easy portability. I had to check on different features available on the generator before buying. For instance, the availability of overload protection makes the generator ideal for various applications.

Safety features in the construction make the generator a great addition to my home. It is a real generator I can recommend to anybody looking to realize the best performance at all times.


  • Air-cooled engine
  • Digital LCD screen
  • Smooth-rolling casters
  • Electronic overload protection


  • Not CARB compliant

8. Green-Power GPG3500iE – 3500W Inverter Generator

Green-Power-America-GPG3500iE-3500W-Inverter-GeneratorI had to check out different features in the generator before I proceeded to buy. The generator comes with various elements making it a great addition to my devices. With CARB compliance, I can apply it in any location.

It is a real generator which makes me very happy. If you are looking for the best 3500-watt inverter generator, then buying the generator can be a great way to go about it. It provides pure sine wave output which is safe for most appliances. Quiet operation avoids noise pollution when in different conditions.

I can achieve up to 13 hours at 70% load making it among the most powerful generators. Never flat wheels allow me to move it around quickly. Digital indicators make it easy for me to have full control of the generator.


  • CARB compliant
  • Recoil/ electric start
  • Pure sine wave
  • Never flat wheels


  • 60 decibels of noise

9. WEN GN400i Open Frame Inverter Generator

WEN GN400i RV Ready 4000 Watt Open Frame Inverter GeneratorWhen you’re thinking of getting quiet, stable, and clean power free of voltage spikes and drops, you must include this model, the WEN GN400i generator in your thoughts. Why? The generator uses inverter technology to give you safe power for running and charging your sensitive appliances, including laptops, phones, and more. It does also use a pure sine wave to ensure you get nothing but safe output for use anywhere. It’s also an RV-ready generator that comes with a 120-volt RV-ready TT-30R receptacle for a direct configuration.

The portability of this generator is also a thing to praise. It comes with a lightweight, open-frame design featuring a high-quality steel framing. The open-frame design also helps in keeping the engine fresh, even though the noise levels aren’t reduced. The use of a high-power OHV engine ensures you get 3500 rated watts and 4000 surge watts reliable power. The safety of the generator is well maintained to protect the motor, you and your devices. That’s why the generator comes with overload, low-oil, and a low fuel shutdown feature.


  • Convenient Inverter Technology
  • Automatic Safeguard features
  • Durable Open-Frame Design
  • Highly-reliable OHV engine
  • Pure Sine Wave Power
  • RV-Ready Receptacle


  • High noise levels
  • No handle or wheels

10. PREDATOR 3500 Watt Super Quiet Inverter Generator

Predator 3500 Watt Super Quiet Inverter GeneratorPREDATOR 3500-watt Inverter Generator is another well-build power generation unit that will give you portable and reliable power. The generator is designed to use advanced inverter technology to provide you with more power with a clean power curve, minimal noise, and high fuel efficiency. With a runtime of 11-hours at quarter load, this generator if a perfect choice if you need a power source for your RV, camping, tailgating, or home household emergency power. It comes with a fully enclosed body with a compact and lightweight design for improved portability.

The full body enclosure is a design that works great at soundproofing the engine. The construction also works great at protecting the generator interiors, including the motor and the battery. The quietness of the generator makes it ideal for use in most places, and since it’s EPA III and CARB approved, you can use it in any campgrounds and all the states. The parallel capability of the generator gives you the freedom to connect another 3500-watt predator model to almost double the power. The generator is also fitted with a telescoping handle and integrated smooth-rolling wheels providing the much-needed mobility.


  • Integrated smooth-rolling casters
  • Durable air-cooled OHV engine
  • Electronic overload protection
  • High-performance alternator
  • Super quiet operation
  • Digital LCD Screen
  • Parallel capable


  • Quite heavy for lifting

Unimpressive runtime

11. Sportsman GEN3500I Inverter Generator

Sportsman GEN3500I Inverter GeneratorSportsman GEN3500I Inverter Generator by Buffalo Tools is another portable generator that delivers reliable power to wherever you need it most. The generator comes ready for home and RV use. It’s also fitted with pure sine wave plus inverter technology. The two features work together to gives you reliable, clean, and stable power for all your appliances, including sensitive electronics, including laptops and phones. Apart from that, the body of this generator is fully enclosed with high-impact protective plastic.

The construction provides ideal noise-proofing and protective casing for your interiors. Inside the housing is a highly-reliable, high-power 4-stroke OHV engine that delivers 3000 running watts and 3500 starting watts. The motor is fitted with a low oil shutdown that protects the generator from low oil levels for durability. The included caster wheels with a locking caster providing better mobility. The unit comes fully assembled for much convenience.


  • High-impact plastic full enclosure
  • Highly-reliable 4 stroke engine
  • Compact size and lightweight
  • No assembly required
  • Clean, stable voltage
  • Low oil shutdown


  • Noone

Best 3500 watts Inverter Generator: Buying Guide

For you to settle with the best 3500-inverter generator that best suits your needs, you must make the selection carefully, that way, and you can be sure of getting a model worth your investment. And to do that, you need to consider the following selection factors.

Number of watts

An inverter generator will have the ability to power various appliances and devices. However, its power is limited to the amount of starting and running wattage it can provide. That means that you must sum up the number of watts your tools need to run simultaneously.

Therefore, if you want to use air conditioning, a refrigerator, and television, you must calculate your energy consumption to choose the right inverter generator for your needs. Even though you’re buying a 3500-watt inverter generator, remember this rating might be the starting or running watts. Carefully consider your energy consumption and buy the perfect portable generator for your needs.


Yes, most inverter generators are portable but not are easy to move around and transport. You have to check the portability design. If you need something for camping, tailgating, or for use with outdoor applications, consider a model with a compact, lightweight design, preferably a model with a wheel kit and a handle.

Run Time

The run time is the time the generator runs at a specific load with a single tank of fuel. Why is it crucial? Imagine you’re camping and the generator runs out of fuel in the middle of the night. It can be a real bother for some. Right? For you to avoid such inconveniences, consider buying a 3500-watt inverter generator with dependable and convenient run time.

You need to take into consideration different factors so that you can locate the best generator which can produce up to 3500 watts. I have taken into consideration different aspects to list for you the best generators. You can buy one of my top picks and realize great success in your generator buying process. Here are other factors to check out:

Pure sine wave output

To avoid damage to your electronics, you need to go for a generator which produces pure sine wave energy.

Noise production

Try to buy a generator with low noise production so that you can avoid stress when trying to operate in places where noise is an issue. Most generators in my list work at manageable noise levels.

Digital controls

You need a generator which you can easily control. Check whether the generator has digital controls to avoid cases where it can stress you when operating.

Best 3500 Watt Inverter Generators Reviews (FAQs)

Q: What’s the purpose of the Low Oil Shutoff feature?

A: The Low Oil Shutoff feature is a safety feature put in most top-end generators to cut off the power to the engine when the engine oil goes too low.

Q: Do all inverter generators provide clean, stable sine wave power?

A: Not all can give you clean and stable power. However, all the high-end models will provide you with a reliable, clean power ideal for running sensitive appliances and electronics.

Q: How can I know I’m about to buy the 3500-watt inverter generator?

A: You need to read online reviews. The review sites make it easy to locate the best generator.

Q: Which is the most durable 3500-watt inverter generator?

A: The generators in my list are very reliable and durable. You will always realize value for money if you can go for one of my top picks.

Q: Is it advisable to buy a 3500-watt inverter generator for a small home?

A: The generator can work well for a small home if you have a lot of appliances to run.


The best 3500-watt inverter generator will give you reliable, portable, and long-lasting power. And since I want you to invest in the best unit for your needs, I remind you to consider all the information I have provided here. Good Luck!

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About the author

Sharif Miah

I am Sharif, 22, a student, currently doing the BBA program. Besides, I am an online Blogger.

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