Getting an inverter generator makes everything possible and joyful! From tailgating parties to fishing camps, it serves you as an efficient, silent and reliable power source. While noise might be the worst kind of limitation, here are the quietest inverter generators you can take a look:
- WEN 56125i Super Quiet 1250-Watt Portable Inverter Generator, CARB Compliant – Most compact
- Yamaha EF2000iSv2, 1600 Running Watts/2000 Starting Watts, Gas Powered Portable Inverter – User-friendliest
- Briggs & Stratton 30651 P2200 PowerSmart Series Portable 2200-Watt Inverter Generator with Parallel Capability – Easy-to-transport option
- Champion 3400-Watt Dual Fuel RV Ready Portable Inverter Generator with Electric Start – the Premium choice
- Champion 4000-Watt RV Ready DH Series Open Frame Inverter with Quiet Technology – Best overall
- Westinghouse iGen4200 Hybrid Open Frame Inverter Generator – 3500 Rated Watts & 4200 Peak Watts – Gas Powered – RV Ready Outlet – Most powerful
| Image | Product | Details | |
|---|---|---|---|
 | WEN 56125i |
| View on Amazon |
 | Yamaha EF2000iSv2 |
| View on Amazon |
 | Briggs & Stratton 30651 |
| View on Amazon |
 | Champion 3400-Watt Inverter Generator |
| View on Amazon |
 | Champion 4000-Watt DH Series |
| View on Amazon |
 | Westinghouse iGen4200 |
| View on Amazon |
WEN 56125i
- The lightest and quietest inverter generator in this list
- Low-oil and low-fuel automatic shutdown
- EPA III and CARB Compliant
- Have “Overload Protector” circuit breaker, “Eco-Mode”, and “Automatic Shutdown” system
- The least powerful
| Wattage | 1250 watts |
| Fuel Type | Gasoline |
| Fuel Tank Capacity | 0.7 gallon |
| Run-time | 5 hours |
| Noise Level | 51 decibels |
| Weight | 31.6 lbs. |
| Dimension | 17 x 9 x 12.5 in |
| Highlight Features | -EPA III and CARB Compliant -60cc OHV engine -Lightweight -Low-oil and low-fuel automatic shutdown |
Research and luck brought me to Wen 56125i – a lightweight and compact inverter generator – emphasizing with miniscule fluctuations. These are well-known for voltage fluctuation prevention by mimicking natural sine waves.
At full capacity, it generates to limiting harmonic distortions to 1.2%, creating 100% “clean energy” to smoothly run sensitive electronics like smartphone, small TVs, and laptop.
In worst cases, the “Overload Protector” circuit breaker will work its way to keep your devices from damage.
Wen 56125i also releases 51 decibels of noise level from the distance of 22 feet – making it as super silent as a window air conditioner sound. Whether it’s for home use or campsite, nobody would feel disturbed at all.
During a long road in an RV, I understand that some people need more juice. And the parallel compatibility built in this generator can help you pair with another Wen to double the runtime.
But take note that, a Wen 56125i connector kit and some assembly might be required.
Overall, I find this generator is the most compact and versatile option that won’t break your bank.
Yamaha EF2000iSv2
- Lightweight and compact
- Have fuel gauge
- Parallel ready design
- CARB Compliant
- Need to unscrew the panel to fill oil
| Wattage | 1600 watts |
| Fuel Type | Gasoline |
| Fuel Tank Capacity | 1.1 gallons |
| Run-time | 10.5 hours |
| Noise Level | 51.5 dBA to 61 dBA ( ¼ rated to rated load) |
| Weight | 44.1 lbs. |
| Dimension | 19.3 x 11 x 17.9 in |
| Highlight Features | -Smart Throttle -Inverter system with Pulse -Width Modulation control -CARB Compliant |
When considering a generator, the design is an element that I usually leave at last. That’s why Yamaha EF2000Sv2 – featured its beautiful royal blue hue combining with the retro-inspired look – wow me a lot.
Regardless, it’s powerfully constructed a 2000-watt engine to get a steady power of 1600 watts. And with a full tank of 1.1-gallon gasoline, this little beast can run for 10.5 hours and power up a wide range of electronics.
The advanced programming feature allows it to transform DC to AC current and therefore, eliminates any power fluctuations to safely run the sensitive devices.
Another amazing thing is Yamaha’s USFS-approved spark arrestor and muffler. It limits the noise between 51.5 dBA and 61 dBA, which is no louder than garbage dissolve noise.
Compared to its older sibling – the EF2000iS – this is much lighter and more compact. The machine also features an Auto Decompression system that you don’t need to overwork yourself to start it.
Yamaha EF2000Sv2 is the most user-friendly model in this list and with CARB and EPA certified, you are worry-free of air polluting and stuff while enjoying your camping trip.
Briggs & Stratton 30651
- Best H-handle design for easy transport
- Various outlets
- Fuel efficient
- No fuel gauge
- Not CARB Compliant
| Wattage | 2200 watts |
| Fuel Type | Gasoline |
| Fuel Tank Capacity | 1 gallon |
| Run-time | 8 hours |
| Noise Level | 59 decibels |
| Weight | 55 lbs. |
| Dimension | 22.4 x 14.4 x 19.9 in |
| Highlight Features | -Easy-to-transport option -Quiet Power Technology -H-handle design -Various outlets -Parallel capacity |
Designed primarily as some sort of countermeasure against emergency outages, here comes the Briggs & Stratton 30651.
It’s rated for 2200 starting watts and 1700 running watts to give you reliable power for home backup power needs. But if you want some more juice, the built-in parallel-ready operation capability allows you to connect to another 30651 unit.
Rest assured that this generator is relatively clean and safe for sensitive electronics since the engine itself can automatically adjust based on the load to limit the total harmonic distortion down to 3-6%.
Per one-gallon filling, it can run powerfully for 8 hours at 25% load.
Compared to other machines on our list, the Briggs & Stratton 30651, weighing 55 lbs., is arguably heavier. But thankfully, the best H-handle design ever makes it easier for two people to share the heft.
All in all, I think this easy-to-transport product is a budget-friendly option for camping and tailgating.
Champion 3400-Watt Inverter Generator
- Can be operated by either gasoline or propane
- 2 start types: Electric Start & Recoil
- 3-Position Ignition Switch
- Deliver the longest runtime by propane compared to other Champion dual fuel generators
- Not much fuel efficient
| Wattage | 3400 watts |
| Fuel Type | Gasoline or propane |
| Fuel Tank Capacity | 1.6 gallons |
| Run-time | 7.5 hours on gasoline 14.5 hours on propane |
| Noise Level | 59 decibels |
| Weight | 95.7 |
| Dimension | 25.1 x 17.3 x 18.3 in |
| Highlight Features | -Dual fuel -Electric start -Low oil shut-off sensor -3-Position Ignition Switch |
The Champion 3400-watt inverter generator is built with lots of easy-to-use components. From the attached handle, sturdy wheels to the low-oil auto-shutoff feature.
While 70% generators out there is started by a recoil starter with a pull cable, this highlights the extra electric start option that makes everything easier and more convenient.
What I love the most is its fully RV-ready construction. With the parallel-ready capability, attached wheels, two easy-to-transport handles, one special 50A RV outlet, and 192cc Champion engine that can run any 15,000 BTU AC, what else to ask?
Contrast to such powerful performance, its noise level is just 59 decibels. But it will be quieter if you use Economy Mode and run it a quarter-load.
Take note that the noise level will fluctuate a little bit based on different loads. The higher the load, the louder the generator. But in this case, it’s quite acceptable, at least in my standard, to perfectly a good choice for camping or tailgating.
Generally, this is a good choice for those who are finding for a powerful inverter generator but still want it to be silent.
Champion 4000-Watt DH Series
- Extended running time than four models above
- Eco-mode Operation
- RV-ready
- Open frame
- Parallel Capability
- No wheels
| Wattage | 4000 watts |
| Fuel Type | Gasoline |
| Fuel Tank Capacity | 2.9 gallons |
| Run-time | 17 hours |
| Noise Level | 64 decibels |
| Weight | 81.6 lbs. |
| Dimension | 20.5 x 17.9 x 17.7 in |
| Highlight Features | -Open frame -Extended running time -Parallel ready -Quick touch panel |
Among the Champion DH Series generator, Champion 4000-watt is outstanding with its unbeatable 17-hour runtime at 25% load on gasoline.
Featuring 2.9 gallons of the fuel tank and an open frame design like industrial generators, the most amazing thing is it’s much lighter than other siblings. Especially, 15% lighter than the Champion 3400-watt.
The more powerful the generator, the louder it will be. But Quiet Technology in this machine has helped to limit the noise level significantly – only 64 decibels. It might be the noisiest inverter generator in this list but in comparison, the sound is no louder than garbage dissolve.
It doesn’t bother anyone, at least during my family camping trips, no complaints are given.
Like the Champion 3400-watt, this one is RV-ready designed with a 120V 30A RV and other outlets. The electricity is quite clean (less than 3% THD) for sensitive electronics.
If you intend to use it for long-term RVs or frequent campgrounds, the parallel-ready feature of this generator is very suitable. It allows you to connect up to other Champion for double power output, hence, ensuring to provide enough electricity for your appliances.
All-in-all, this is the best choice for both home & camping use.
Westinghouse iGen4200
- Very well-built
- The most powerful engine in this list with an acceptable noise level
- The longest runtime with lightweight construction
- EPA and CARB Compliant
- Provide 120V Duplex Household Outlet
- No Parallel Capable
| Wattage | 4200 watts |
| Fuel Type | Gasoline |
| Fuel Tank Capacity | 2.65 gallons |
| Run-time | 18 hours |
| Noise Level | 62 decibels |
| Weight | 82 lbs. |
| Dimension | 20 x 20 x 20 in |
| Highlight Features | -Open frame -EPA and CARB Compliant -120V Duplex Household Outlet -Long running time |
Saved the pocket rocket for the last, the Westinghouse iGen4200 is considered the most powerful inverter generator in this list.
With 4200 peak watts and 3500 rated watts at Less Than 3% THD, it’s both power-providing efficient and safe to sensitive electronics.
Now, might you wonder with smaller fuel tank than the Champion 4000-watt, why this beast can provide longer runtime, right? Well, it’s a big thank you to the genius combination of unique open frame and “Efficiency Mode” for Maximum Fuel Efficiency.
Contrast to its powerful construction, the generator is rather silent. It is cased carefully to reduce noise down to 62 decibels. From 23 feet, it’s hard to be heard.
If reliable power on-the-go and air pollution are your concerns when considering a generator, the USA-engineered Westinghouse iGen4200 should be in your wish list.
How to choose the quietest inverter generator (buying guide)
Noise Level
Not many people know that even inverter generators provide a wide range of noise levels which they’re going to work with. Some of them go within 48 – 51 decibels while others work as higher as 57 – 65 decibels.
And, the definition of “silence” is quite more about a preference issue. You need to find the comfortable noise range of your generator as well as where it’s going to be applied.
I mean if it’s a generator for campgrounds, it should be silent enough for the nights while for home use, choosing a less noisy but powerful enough product is a must. Or, for RVs and job sites, muff moderate noises are allowed.
Find the noise ratings on the body of the generator or on its package.
Power Output
Power output is dependable on how much power you’re going to need as well as your budget. Why does it have the “budget” element here? It’s because of two major consequences when opting for a more powerful generator:
- The higher price it costs
- The more fuel it requires
Normally, a 1250-watt inverter generator is enough for people to operate their small lights, fans, TVs, electric razors, and gaming consoles. The higher power consuming devices, the more power output required on your generator.
For example, a 2000-watt model is a nice choice for coffee machines, electric ovens, BBQ grills, and normal equipment. Level up, a 3000-watt generator and up can handle anything you’ve got, which is why it’s the most favorite for campgrounds, tailgates, or RVs.
No doubt, they are mammoths!
Runtime, Fuel Tank, & Fuel Efficiency
These three elements get a close connection with each other.
The longer you need a generator, the higher runtime it should be. Consider:
- How constant of power outages happened around your living area
- How frequent of your camping trips
- How long you spend on the road in your RV?
Then, figure out the suitable runtime range and go for the product(s) that can provide you continuous power supply such that amount of time.
The longer the potential runtime, the more fuel you need than normal. That’s why a bigger fuel tank is highly recommended in this case.
In case there are too many electric appliances or gears to manage while the runtime of your generator can’t afford for that, my advice is joining two products (of the same brand) together.
In this case, a connector kit is great for that task while the runtime is ensured now.
Another way to optimize and maximize the runtime of a generator is to make it fuel efficient! This handy ability is only in inverter generators that help to adjust their engine speed based on how much electronic gear they’re providing power to.
And this function is carried out via microprocessors. But for optimal performance, they should be checked in “economy mode”.
Portability
To me, a good quiet inverter generator should also be portable, no matter it’s heavy or lightweight.
By attaching some handles at their back or wheels at their feet, it makes the transporting easier and more effortless from A to B.
Who makes the quietest inverter generators?
Or should I say: Which brands produce the quietest inverter generators? Well, based on my experience, there are 5 must-try:
Wen
In the generator game, Wen (with its long history) is like a king. Their inverter generators have got high appreciation from worldwide fans for the powerful engine, comfortable noise level, and affordable price.
Yamaha
Founded in 1887, this Japanese company has gained a good reputation up to now due to its wide range of inverter generators. They cater to various budget ranges and needs, from 1000 watts to 12,000 watts to perfectly suit your home use or great outdoor occasions.
Briggs & Stratton
Their 3-year warranty always makes their customers feel secure while their inverter generators nail up with silence and fuel efficiency performance. One thing for sure, their products never break your bank.
Champion
This international company gets fame for its versatile inverter generators by providing a wide range of designs. From home use to RVs, from campgrounds to tailgates, they are on point. And as always, very silent!
Westinghouse
If Wen is the king, Westinghouse is the queen in this industry. The 100-year brand never disappoints its customers about its products’ value and quality. For the most powerful inverter generators on the market, you should pick this.
FAQs
What is difference between inverter generator and regular generator?
The biggest difference and also the distinctive feature making inverter generators more convenient than its siblings is they can dish out DC and AC current while others can’t.
In fact, those traditional models, like the conventional generators just provide AC current. So, they’re not safe for sensitive electronics like smartphone, TVs, or tablets.
Are inverter generators better?
Yes, they are. Compared to traditional generators, inverter generators are superior in:
- Easier transporting (due to their attached wheels and handles)
- More compact silhouette
- Lower noise level
- More fuel efficient
How many dB is a quiet generator?
In general, the quietest inverter generator should be measured under 65 decibels.
But the its acceptable quietness will be based on each environment and application in which it is used.
For example, a 64-decibel generator is considered silent for RVs and tailgates but a no-no for campgrounds since it turns out to be noisy during the nights.
Based on my experience, a generator for home & RV use should ideally be 52-62 dBA because it will ensure two things: Power output and acceptable silence.
How many kW generator do I need to run a house?
To determine what size of a must-have generator for your house, here are my easy 3-step instruction:
Step 1: List out the appliances and fixtures you want to power
Step 2: Find on their appliance label to figure out the approximate starting and running wattage of each in your list. If it doesn’t show these numbers, this is a good preference.
Step 3: Sum up the wattage. Then, find a generator that’s powerful enough to exceed that amount.
For example, if your list includes these appliances:
| Appliance | Starting/Running Wattage |
| Refrigerator | 1200/132 |
| Incandescent Lights (6 units) | 360/360 (60W x 6) |
| Window Air Conditioner (10,000 BTU) | 2200/1500 |
| Radio | 50/50 |
| Total Wattage | 3810/2042 |
In this case, you need at least a 4000W generator, because the combined starting wattage is 3810W.
How much can I run on a 2000 watt generator?
A 2000-watt generator is perfect for big house appliances such as coffee machines, BBQ grills, and electric ovens. Obviously, other smaller equipment is allowed as well.
How long can you run an inverter generator continuously?
It depends on the runtime indicated on the product’s package or body. But the recommended runtime should be at least 5 hours.
Is it safe to leave a generator unattended?
No, it isn’t.
Never leaving a generator (which is running) unattended. You’d better turn it off when away from home or at night.
Should a portable generator be grounded?
Again, it’s a dependable thing that you need to check out its manual to know whether the machine is required grounding or not.
My experience is if the generator is a separately derived system, a grounding rod is highly recommended and vice versa.
Conclusion
There it is. I hope that this ultimate buying guide has helped you figure out the quietest inverter generators. And remember, after copping it home, take good care of your generator to encourage its performance to the best.
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I’m James J. Decker, a hobbyist and DIYs and also a big of home improvement and gardening tools. I immensely enjoy how these amazing products improve productivity and efficiency, and allow me to do jobs for which I would’ve otherwise needed professional help.
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