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There’s no doubting that 4000-watt generators may be lifesavers in the event of a power outage.

After all, they provide continuous power for long periods of time and avoid activity disturbance.

Not only that, but they are quieter and more portable than typical units, making them excellent for camping, tailgating, and powering RVs.

Investing in such a gadget would therefore be a good choice.

However, choosing the proper model may be time-consuming and difficult due to the many choices and considerations to consider.

That is why, after doing significant research and testing, we have compiled a list of the nine finest silent 4000-watt generators presently available on the market.

We’ve also included a buyer’s guide at the conclusion of the article to assist you in making an educated decision.

Let’s get started now, without further ado!

Top 9 4000-Watt Generators That Are Quiet

DuroMaxPowered by a 208cc OHV engine

Output wattage: 4000 watts

Weighs about 90 pounds
Champion Power Equipment Open Frame InverterCan run for up to 17 hours

Measures 20.5″ x 17.9″ x 17.7″

Fuel Tank Capacity: 2.9 gallons
WestinghouseOutput wattage: 4500 watts

Powered by a 224 cc engine

Sports a 3.4-gallon fuel tank
WEN GN400i Inverter Generator1.85-gallon fuel tank

Engine displacement: 212 cc

Weighs about 66 pounds
PulsarFuel capacity: 3.2 gallons

Comes with an electric push start button

Bilt Hard Inverter GeneratorBoasts a four-stroke engine

Inverter technology

Has two USB ports 
PowerSmart Inverter GeneratorFuel capacity: 2.54 gallons

Features a 4-stroke engine

Has an RV outlet
Champion Power EquipmentEngine displacement: 212 cc

Comes with an EZ start dial

Fuel capacity: 2.3 gallons 
WEN GN4500 RV-Ready Portable GeneratorEngine type: 4 stroke

Measures 23.25″ x 18″ x 18.75″

4 gallons of fuel tank capacity

#1. DuroMax

DuroMax is one of the greatest companies on the market when it comes to producing long-lasting and dependable portable generators.

As a result, it’s no surprise that the DuroMax XP4000S portable generator is one of our top picks.

The product is equipped with a powerful engine that can handle a variety of tasks.

DuroMax XP4000S Portable Generator-4000 Watt Gas Powered…

  • Plenty of Power – With a peak power of 4,000 watts and a running power of 3,300…
  • DuroMax 208cc OHV Engine — The DuroMax 208cc OHV engine is a powerful…

Why Did We Enjoy It So Much?

This portable generator can handle big loads thanks to its 3300 operating watts and 4000 peak watts, making it perfect for power tools and residential air conditioners.

It also has a powerful 208 cc OHV engine that can easily tackle a variety of chores requiring high-voltage equipment.

You may be certain that it will meet your needs in the event of a power outage.

We were particularly thrilled to learn that it has a sensor that protects the gadget by automatically shutting it off when the oil level is low.

It’s also worth noting that all of the device’s windings are constructed of copper for a longer lifetime.

Aside from that, the generator has received EPA approval, indicating that it emits less pollutants and is thus more environmentally friendly than regular generators.

Last but not least, it is reasonably priced, making it an excellent alternative for those on a limited budget.

Is There Anything That Could Have Been Better?

We didn’t find any severe flaws in this product that would make it unsuitable for purchase.

However, we must accept that the power swings from time to time, as seen by the voltmeter.

However, considering the low price, we don’t believe most consumers will be bothered by this little flaw.


  • Budget-friendly
  • Long-lasting and well-constructed
  • Able to carry huge weights
  • A three-year warranty is included.


  • Power changes from time to time.

#2. Champion Power Equipment Open Frame Inverter

Champion Power Equipment has been devoted to developing and engineering the greatest power equipment for almost a decade, having been founded in 2003.

And the company’s open frame inverter is another another feather in its crown.

The device has a lot of useful features and is quite good in terms of performance and fuel economy.

Champion Power Equipment 100302 4000-Watt RV Ready Open…

  • Advanced Open Frame Inverter Design is 50% quieter and 20% more efficient than traditional inverters.
  • Quiet Technology and Longer Run Time: The 64 dBA noise level is ideal for…

Why Did We Enjoy It So Much?

The product’s innovative open-frame design drew our attention right away, since it not only distinguishes it from other classic generators but also makes it lighter.

As a result, consumers should have no trouble transporting it from one location to another.

The inverter generator runs at under 64 decibels owing to Quiet Technology, making it suitable for RVs.

Aside from that, the device is parallel-ready, enabling you to connect up to two high-watt inverters to quadruple the power output.

We were especially delighted by its Economy Mode, which saves money on gas and extends the life of the engine.

A three-year guarantee is also included with the inverter generator.

As a result, you won’t have to pay for repairs or replacements for the first three years after purchase.

Furthermore, the firm provides free lifetime technical assistance, resulting in one of the industry’s top client experiences.

Is There Anything That Could Have Been Better?

Without a doubt, this generator is one of the most quiet 4000-watt generators on the market today.

However, it may not be the best option for individuals on a tight budget.

Aside from the hefty price tag, we discovered a few flaws in the instructions, which was disappointing.


  • A 3-year warranty is included.
  • At 64 dB, the functioning is quiet.
  • Free technical assistance for the rest of your life
  • Exceptionally fuel-efficient


  • A little pricey

#3. Westinghouse

Our next option comes from Westinghouse, a well-known power equipment manufacturer situated in the United States that has been offering sustainable energy solutions since 1886.

Satisfy the iGen4500 inverter generator, which can help you meet your diverse power demands when traveling or camping.

Continue reading to learn more about what it has to offer.

Westinghouse iGen4500 Super Quiet Portable Inverter…

  • 3700 Rated Watts and 4500 Peak Watts with a THD of less than 3% –
  • A 5–20R 120V Duplex Household Outlet, as well as an RV-Ready…

Why Did We Enjoy It So Much?

The dependable push-button electric start, which guarantees that the generator stops and starts without glitches, is the product’s key point for us.

It also includes a wireless remote start key fob that allows you to start and stop the generator from up to 260 feet away.

These qualities, without a doubt, set the product apart from ordinary portable generators.

The engine is fuel-efficient, owing to the active throttle system, which modulates engine speed and power according to the load needed.

It also has a low-oil automatic shutdown sensor, which guarantees that the device shuts down on its own to avoid damage.

What’s even better? It is unusually quiet here.

The digital data center on the inverter generator shows lifespan run hours, voltage output, power output, and fuel level in a simple and understandable manner.

As a result, you can keep track of real-time data and maintenance intervals.

Is There Anything That Could Have Been Better?

The oil chambers and battery hatches are also modest.

People with big hands may find it difficult to secure the battery and screw and unscrew the oil cover.

Aside from that, some purchasers may find the goods to be a little pricey.

However, considering the capabilities available, we believe it is well worth the money.


  • It has a large gasoline tank.
  • Wheels built-in for convenient transportation
  • The vehicle is propelled by a fuel-efficient engine.
  • Extremely quiet


  • A little opening in the oil chamber

#4. WEN GN400i Inverter Generator

For more than 70 years, Wen has been producing and providing high-quality but inexpensive power equipment.

As a result, it was only natural to include a product from such a prestigious brand on our list.

The GN400i Inverter Generator ensures that you don’t have to worry about power disruptions at the camping, at home, or on the work.

WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator,…

  • Dimensions: 19.8″ L x 13.8″ W x 18.9″ H | Weight: 66.1 lb
  • To properly run sensitive devices, generate clean electricity…

Why Did We Enjoy It So Much?

The design of the inverter generator must be highlighted as its USP.

It’s exceptionally light and portable, weighing just 66 pounds, so you can take it with you wherever you go.

It also takes up very little room, making it an excellent alternative for trailers.

Moving on, we were blown away by the engine’s performance.

The four-stroke engine can provide consistent power of up to 3500 operating watts and 4000 burst watts.

Furthermore, the Eco-Mode function is worth mentioning since it allows the motor to automatically adjust fuel usage, reducing gas waste and saving you money.

You’ll be relieved to learn that the product is built to avoid voltage dips and spikes, making it safe to use with cell phones, computers, and other electrical devices.

Finally, it comes with a two-year guarantee, so you won’t have to worry if it breaks down in the future; the manufacturer has you covered.

Is There Anything That Could Have Been Better?

Unfortunately, this Wen generator produces a lot of noise, although not as much as a typical generator.

As a result, if you decide to buy this product, you should keep this in mind.

Also, if the manufacturer had included a bottle of oil, it would have been fantastic.


  • A two-year warranty is included.
  • Use with caution when working with sensitive electronics.
  • Portable and lightweight
  • It comes at an affordable price.


  • This generator isn’t the quietest on the list.

#5. Pulsar

Let’s take a look at the Pulsar G450RN portable backup generator now that we’ve made it halfway down the list.

This device is practical and adaptable, and it might be your go-to choice for a backup power source on your next excursion.

So, let’s have a look at what it has to offer in the next parts.

Pulsar Products G450RN, 4500W Portable Quiet Remote Start &…

  • 3,700 operating watts/ 4,500 peak watts
  • At 50% load, the battery can run for up to 15 hours…

Why Did We Enjoy It So Much?

To begin with, it is a quiet generator, operating at at 63 dB, enabling you to conduct a regular conversation from only 10 feet away.

As a result, the device is an excellent alternative for a camping power supply.

The product is also CARB-approved, which is great news for environmentally conscious customers.

This portable generator has a fuel capacity of 3.2 gallons, allowing it to provide continuous power at half load for up to 15 hours.

As a result, you may use this product without fear of fluctuations during blackouts or outdoor activities.

We particularly liked its small design and never-flat wheels, which make storage and movement a breeze.

Apart from that, the product’s wireless remote start is worth mentioning; it enables you to manage it from up to 80 feet away.

Did we mention it’s parallel-ready as well? This portable inverter generator may be connected to two other portable generators to provide twice the power.

Is There Anything That Could Have Been Better?

We were unable to locate any information on the manufacturer’s warranty.

As a result, we can’t say whether or not it’s covered by a warranty.

Aside from that, we found the oil access point to be a little difficult to open, which was disappointing.


  • It runs in the background.
  • It’s easy to transport and store.
  • Eco-friendly
  • It’s perfect for camping.


  • It’s tough to get to the oil.

#6. Bilt Hard Inverter Generator

Bilt Hard is a company that focuses on the creation, manufacture, and research of high-quality gas and power tools.

And this inverter generator is a perfect illustration of what the company can create.

This is an option you don’t want to overlook, since it has been praised by clients all over the world for its wide selection of appealing features.

BILT HARD 4500 Watt Quiet Inverter Generator, Fuel Sh…

  • Super Quiet: power output 68 dB makes BILT HARD inverter…
  • Inverter Technology: This device makes use of modern inverter technology…

Why Did We Enjoy It So Much?

The device uses cutting-edge inverter technology to guarantee that it produces clean, safe power for phones, laptops, and other sensitive gadgets.

The product’s built-in casters and durable foldable handle, which make it simple to move, also pleased us.

On that basis, this adaptable item is a great addition to an RV or a tiny house.

It also has both recoil and electric start options.

While the electric start enables you to turn on the unit with the push of a button, the recoil start is useful if the engine fails.

You’ll also be glad to learn that it runs at only 68 decibels, which means it won’t interfere with your enjoyment or sleep, much alone the neighbors’.

Not to mention the fact that it comes with a two-year guarantee, demonstrating the brand’s confidence in its goods’ quality.

Overall, it’s a wonderful backup power choice for outdoor events and power outages.

Is There Anything That Could Have Been Better?

A few disappointed consumers have reported their dissatisfaction with the unit’s operating time.

They remarked that it only lasts a little over three hours, despite the fact that the company claims it would last 14 hours.

Aside from that, it would have been nice if it had come with an oil bottle.


  • A two-year warranty is included.
  • It is simple to move about.
  • The procedure is really silent.
  • Provides safe and dependable electricity.


  • There is no oil included.

#7. PowerSmart Inverter Generator

Following that, we selected this high-quality unit from PowerSmart, a well-known brand in the power equipment market.

If you’re searching for a gas-powered generator that produces green electrical energy for home power backup, RV camping, or charging mobile phones, this is a terrific choice.

So, let’s go a bit more into this.

PowerSmart Inverter Generator Gas Powered – 4400W 120V…

  • Power Output: 4-stroke OHV engine, 4400 peak watts/3500…
  • Variety of Applications: 61db at MAX peak power, ideal for…

Why Did We Enjoy It So Much?

The machine comes with a big 2.54-gallon gasoline tank that allows it to operate for 15 hours right out of the box.

So, whether there’s a power outage or an outdoor event, you can count on this inverter generator to keep the lights on for a long time.

It has a digital display that indicates the overall runtime, session runtime, frequency, and voltage to assist you keep track of its performance and determine when maintenance is required.

Apart from that, we were pleasantly delighted to learn that it has a maximum power output of 61 decibels, making it exceptionally quiet and ideal for camping.

Its four-stroke, single-cylinder, OHV engine, which gives top-notch performance as a solid power backup choice, is now what makes it a very powerful generator.

It’s also parallel-ready, which means you can link two inverter generators together to increase overall power output.

Naturally, this inverter generator is one of the most highly regarded and sought-after models.

Is There Anything That Could Have Been Better?

One of our main criticisms of this product is that it lacks built-in casters, which might make it difficult to transport, particularly for the elderly.

Aside from that, we must highlight that we were unable to locate any information on the warranty.


  • It’s one of the quietest 4000-watt generators on the market.
  • At a modest price, you can get it.
  • It has a strong engine.
  • Working for long periods of time


  • There are no casters built-in.

#8. Champion Power Equipment

We won’t waste any time in introducing you to Champion Power Equipment, since we’ve already examined one of their excellent inverter generators.

This model, on the other hand, is a cut above the rest of the selections on our list.

Continue reading to learn more about it.

Champion Power Equipment 200986 4500-Watt Portable Inverter…

  • QUIET TECHNOLOGY: With a noise level of 61 decibels, it’s ideal for RVs, tailgating, and…
  • PARALLEL READY: The parallel kit is available as an option (sold separately)…

Why Did We Enjoy It So Much?

One of the most noticeable features of this generator inverter, in our view, is the Intelligauge, which enables you to easily monitor the working hours, frequency, and voltage.

As a result, it assists you in keeping track of your device’s performance.

In addition, unlike generators with recoil starts, it comes with the EZ start dial, which guarantees that the engine starts easily and quickly without the operator exerting any effort.

Another feature we loved about this gadget is that it generates clean energy (less than 3% THD), allowing you to safely connect your cell phones, computers, and other sensitive equipment.

This type, like other Champion Power Equipment inverter generators, has Quiet Technology, which assures a quieter operation (61 decibels).

Finally, the product is CARB certified, which means it complies with the California Air Resource Board’s emission requirements.

As a result, you may purchase it without fear of damaging the environment.

Is There Anything That Could Have Been Better?

It does not, however, come with a parallel kit.

So, if you wish to connect it to another inverter to enhance the output power during outdoor events like tailgating, be prepared to spend more money.

Aside from that, the product is flawless.


  • A three-year warranty is included.
  • Eco-friendly
  • The gadget is simple to start.
  • Camping and tailgating have never been easier.


  • The parallel kit is not included.

#9. WEN GN4500 RV-Ready Portable Generator

If we hadn’t included the WEN GN4500 RV-Ready Portable Generator, this list would have been incomplete.

This generator can offer you with the necessary electricity where and when you need it most, at an affordable price.

Do you want to learn more? Then continue reading.

WEN GN4500 4500-Watt 212cc Transfer Switch and RV-Ready…

Up to 4500 beginning watts and 3600 running watts may be generated.

The 4-gallon gasoline tank allows for a 13-hour half-load runtime…

Why Did We Enjoy It So Much?

To begin, those wanting to use it on their RVs will be relieved to learn that it has a 120V RV connection, making it very simple to attach.

In terms of the generator’s engine, we’re happy to report that it’s as tough as they come.

It is, in reality, a 212 cc 4-stroke engine capable of producing up to 3600 operating watts and 4500 surge watts of consistent, clean, and dependable power.

Aside from that, the tank should be mentioned since it is rather big and can contain up to four gallons of gasoline, allowing the product to operate for an extended period of time (13 hours).

Finally, it comes with a two-year guarantee, so repairs and replacements should be the last thing on your mind for the first two years of ownership.

Is There Anything That Could Have Been Better?

Although the product is little, it is not as light as it claims to be.

It is, in fact, one of the heaviest generators on our list, weighing about 108 pounds.

To transport it from one location to another, make sure you get the wheel and handle kit.


  • A two-year warranty is included.
  • It has a reasonable price.
  • Its engine is quite efficient.
  • It has a huge gasoline tank.


  • It is rather hefty.

Buying Guide for Quiet 4000-Watt Generators

After reading our best picks for quiet 4000-watt generators, we believe a buyer’s guide will assist you in making an educated selection.

We’ve covered all of the main features of a 4000-watt generator in this area so you won’t have any trouble deciding which one is right for you.

Make sure you read the whole thing; if you don’t, you could lose out on something important.

Also, if necessary, jot down these ideas on a piece of paper and have it with you while shopping.

#1. Duration Of The Event

The runtime of a 4000-watt generator is an important feature to consider when purchasing one.

After all, it decides how long the generator will operate on half the specified wattage on a full tank of fuel.

The runtime is usually determined by the size of the tank and the engine.

It is, however, highly dependent on the load.

In other words, the amount of gadgets you are simultaneously connecting.

Make sure you don’t power too many gadgets at once to extend the battery life.

#2. Convenience

You’ll want to make sure your generator is transportable and easy to store.

Fortunately, most 4000-watt generators are compact and lightweight, making them easy to transport.

In addition, several versions now feature wheels below them, which improve their mobility and storage.

We advise you to choose one of these units.

#3. The Level Of Noise

The noise level, which is usually measured in decibels, is another significant issue to consider when buying a portable generator.

You don’t want the generator to be overly loud since it will spoil your camping experience and disrupt your sleep.

As a result, choose a unit with a noise level between 50 and 70 decibels; the lower the noise level, the better.

Don’t worry; all of the items we’ve looked at fall into that category.

#4. Guarantee

Check to see whether the generator you’re considering has a warranty.

This is because a warranty protects you from having to pay extra money to repair or replace the generator if it breaks down in the future.

A warranty, on the other hand, indicates that the goods is of high quality and will last a long time.

4000-watt generators often come with a two- or three-year guarantee, and some companies may even include lifetime technical assistance, but double-check before buying to be sure.


We’ve addressed some of the most frequently asked questions concerning 4000-watt generators in this article.

Hopefully, these will be of use to you.

What makes a 4000-watt generator superior than a conventional unit?

In many ways, a 4000-watt generator is superior than a typical generator.

For starters, inverter generators seldom create voltage spikes or distortions, making them an excellent choice for connecting phones, laptops, and other sensitive gadgets.

Traditional generators, on the other hand, are prone to voltage spikes when the current is abruptly increased or decreased.

Aside from that, 4000-watt generators are portable and create low noise levels, while standard generators do not.

What may a portable 4000-watt inverter generator be used to power?

Many modern items, such as televisions, refrigerators, and even air conditioners, may be powered by a 4000-watt generator.

In addition, during power outages, you may use it as a backup power source in your house.


With that, we’ve come to the conclusion of our review-based guide.

And hopefully, now you have all the knowledge you need to get the best 4000-watt generator for your needs.

If you’re still perplexed, hang around for a few minutes more as we reveal our personal favorites from the list to clarify things up.

The DuroMax is the finest overall, in our opinion, simply because it can take high loads and is reasonably priced.

A good alternative is the Champion Power Equipment Open Frame Inverter, which is very fuel-efficient and comes with a 3-year guarantee.

And if you’re searching for the quietest portable generator, the Westinghouse is the way to go.

That concludes today’s discussion.

Take care till next time!

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Written by Bob Matsuoka
Bob Matsuoka is a blogger and founder of RVing Beginner blog. He has been blogging for over five years, writing about his own family’s RV adventures, tips for people who are interested in buying an RV or taking their family on an adventure by RV.