10 Best 12000 Watt Generators in 2021 [Heavy Duty]

Let’s right into it.

There are many options that lie on the list of the great 12000-watt portable generator, and these are the type of generator that you must look for.

Once you have a power backup, you do not have to worry a lot about the energy shortfall.

The great quality generators are usually immensely powerful to provide you the best quality 12k generator performance.

Best 12000 Watt Generator 2021:

Here is the list of the top 12000 watt generators

DuroMax XP12000EH Generator-12000 Watt
10 [Editors Choice]
Durostar DS12000EH Portable Generator
All Power America APGG12000GL 12000 Watt
Pulsar 12000 watts generator
A-iPower 12000 watts generator 
Champion 12000 Watts generator
Rainier 12000 watts power generator
RP12000E 12000 Running Watts
Westinghouse powerful portable generator with 15,000 peak watts
AI power dual fuel portable generator 12000 ED

Read More about the Best 2000 Watt Inverter Generator

1. DuroMax XP12000EH Generator-12000 WattBest 10000-Watt Generator

Why do we like it?

  • Running time is 12 hours at 50% load
  • The voltage of 120 / 240 volt
  • Duromax has a running wattage of 9500
  • Have a warranty of 3 years
✅Consumes less fuel❌The plastic construction is not great
✅Top-quality and easy to use❌Not the best customer service
✅It comes with electric start and recoil as well

Learn More: Best 17500 Watt Generator

2. Durostar DS12000EH Portable Generator

Why do we like it?

  • Has the 457 cc engine
  • Electric start and recoil available
  • 3 years warranty
✅Excellent customer service❌Assembling the wheel is difficult
✅Heavy-duty easy to Mount wheels❌The oil drain is challenging
✅Durable and reliable

3. All Power America APGG12000GL 12000 Watt

Why do we like it?

  • Has a warranty of 2 years
  •  has a running time of 10 hours with a 50% load
  • The noise level is 76 DBA
✅Provides the perfect value of money❌The noise muffler comes off
✅Assembling a simple and does not make a lot of noise❌The construction is not robust
✅Easy to read the user manual

4. Pulsar 12000 watts generator

Why do we like it?

  • Has the noise level of 78 DBA
  • There is a running time of 12 hours at 50% load
  • Offers electric start along with manual starting
✅Construction is effortless❌Noisy
✅Long-running time❌Expensive
✅Top-Notch quality design

5. A-iPower 12000 watts generator

Why do we like it?

  • Noise level of 78 DBA
  • Has the starting power of 12000 watts
  • Has the fuel tank size of 7 gallons
✅Safe to use❌Noisy
✅Affordable in price❌Running time is not the best
✅Lightweight and compact

6. Champion 12000 Watts generator

Why do we like it?

  • Starting power is 12000 watts
  • Have the noise level of 72 DBA
  • Has a fuel tank capacity of 6.6 gallons
✅The perfect running time of 17 hours❌The frame is not a robust
✅Can run on gasoline and propane❌Difficult to assemble
✅Highly portable and easy to use

7. Rainier 12000 watts power generator

Why do we like it?

  • The noise level is 78 DBA
  • Starting power of 15000 watts
  • Running time is 9 hours at 50% load
✅Running power of 15000 watch which is perfect❌Construction is not robust
✅Electric start available❌Oil leakage might be an issue
✅Easily portable

8. RP12000E 12000 Running Watts

Why do we like it?

  • The fuel tank size is 13.2 gallons
  • It has a running power of 12000 watts
  • Has the operating time of 11.7 hours
✅It has better durability with the metal frame❌Expensive
✅Can be used up to 12 hours❌Only comes with electric starting method
✅Accepted with wheel for easy moving

9. Westinghouse powerful portable generator with 15,000 peak watts

Why do we like it?

  • Noise level is 78 DBA
  • The tank size is 10.5 gallons
  • Has the power of 12000 watts
  • The operating time is 16 hours

10. AI power dual fuel portable generator 12000 ED

Why do we like it?

  • Starting power is 12000 watts
  • Has the running time of 9 hours
  • Fuel tank size is 6.6 gallon
✅The rugged and robust exterior❌Heavy
✅Has a wheel kit available


Now that you have compiled all the information regarding the 12000-watt generator, you can always look for the buying guide and the appropriate option. It is important that you check the list Above And The buying guide as well to ensure you know the features to consider. Usually, there is a lot of 12000-watt portable generator available for you that you can check. It is important that you consider the features and advantages it will provide you. Also, ensure that you understand if you need the generator for residential use or commercial use.

They are a lot of famous brands that provide the best quality generators. You can find out Honda and Pulsar generators on the list that can be your perfect choices.

Buying guide

How to choose the best 12000-watt generator?

You must keep in mind a few things whenever you are planning to buy the great 12000-watt dual fuel generator.

Fuel type

Data generator is available with various fuel types. If you are looking for a portable generator of 12000 watts, you will come across petrol and diesel generators. These petrol and diesel generators can be used for a wide variety of time. There are some gasoline and propane generators also available that are used appropriately for commercial use and better environmental friendliness. Even though the pathogen what diesel generators are not so much in use these days, they are still a great type of generators.

Dual fuel feature

The dual-fuel feature of the 12000-watt generator makes the generator is even more functional. With increased versatility and portability, dual fuel generators are the best choice. This generator provides the best functionality because it can be used on electricity as well as on fuel. Just in case you are short on electricity, you can use the fuel to get your work going on the generator.

Design of the generator

Not all generators come with wheels. Some of the generators are not portable, while others are immensely potable for better uses. You must ensure the purpose of getting the 12k generator before you purchase one. If you are looking for a portable generator not only for your house but also for your business, then get a generator that comes with wheels is very important. Moreover, the characteristics are also important to consider. You must ensure that the generator is strong enough to last a very long time, and it has to be great in terms of the standard design and also in terms of the application.

Noise level

The noise level of the generators is very important. The super loud generators are never good because of the irritating noise. It is important that you think of getting a generator that has minimal noise to ensure that you are not getting irritated by the noise of the generator. It is very important for residential use that you get a generator that makes them very minimal noise. The noisy generators will not only irritate you but also your neighbors and people around you. It is a big no to get the super loud generator for residential use.


When you invest a massive amount of money in the 12000-watt portable generator, you need to make sure that the generator is coming with a warranty. The generator needs to have at least one to three years of warranty to ensure that you are investing in something worth buying. In case The generator is not good enough or did not provide you the proper purpose of what you need, you can still get it exchanged. in case of failure, you can always claim the warranty.

Frequently asked questions

What is the best 12000-watt portable generator?

The top 12000-watt portable generator is the DuroMax XP12000EH Generator. There are some other options also available that you must check. If you are not planning to get a portable generator, you can look for this Durostar 12000 watt dual fuel generator. At a given point that you check the fuel type and also the portability and purpose.

What is the cost of the best 12000-watt generators?

The durable 12000-watt generator can cost you between $800 to $2,000. When you are looking for the 12 KW portable generator, you can find it for around $1500. At an important to do your research properly to ensure that you are finding out the best option.

Is the Great 12000-watt generator capable of running the house?

Usually, 12000-watt portable generators are capable of running medium-sized houses. However, keep in mind that these generators are not so capable of running the bigger houses. It will work for up to 12 hours at 50% load.

What is the maximum running time of a 12000-watt generator?

The running time of a 12000-watt generator can vary from 8 hours to 12 hours based on the lord that you are putting on the generator. At 50%, the amazing 12000 watts dual fuel generator can last for 12 hours.


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