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Best 12000 Watt Generators Reviews 2024

When unexpected power outages occur, having a reliable and powerful generator can be a lifesaver. 12,000-watt generators are among the most popular choices for homeowners, providing enough power to run essential appliances and maintain comfort during an outage. These generators offer a range of features to suit different needs, with fuel type, fuel economy, and design being the top three considerations.

  • Fuel Type: The best 12,000-watt generators typically run on various fuels, including gasoline, propane, or diesel. Gasoline-powered generators provide convenience, while propane offers cleaner burning and longer shelf life. Diesel generators are known for their fuel efficiency and durability.
  • Fuel Economy: Determines the operational cost and efficiency of these generators. The fuel consumption of a 12,000-watt generator can vary widely, ranging from 8 to 12 hours of runtime on a full tank, depending on the load and fuel type.
  • Design: These are essential for durability, portability, and ease of use. Some generators come with sturdy wheels and handles for effortless transportation, while others feature a compact design for space-saving storage.

These generators offer versatility in fuel options, impressive fuel economy for prolonged use, and user-friendly designs. Whether for home backup power during outages or outdoor events requiring substantial power, these generators deliver reliable performance, ensuring you stay powered up when it matters most. Learn how to choose the best 12,000-watt generator with our helpful “Buying Guide” for uninterrupted power solutions!

Best 12000 Watt Generator Chart

12000 Watt GeneratorWattagePower SourceEngine TypeBuy Now
DuroMax 12000-Watt Generator12000 wattsGas4-strokeCheck On Amazon
Pulsar 12000 Watt Generator12000 wattsDual Fuel4-strokeCheck On Amazon
A-iPower 12000-Watt Generator12000 wattsDual Fuel4-strokeCheck On Amazon
Champion 12000-Watt Generator12000 wattsBattery Powered4-strokeCheck On Amazon
DuroStar 12000-Watt Generator12000 wattsGas Powered4-strokeCheck On Amazon
GENMAX 12000-Watt Generator12000 wattsGas-Powered, Propane Powered4-strokeCheck On Amazon
All Power 12000-Watt Generator12000 wattsGas Powered4-strokeCheck On Amazon

Best 12000 Watt Generator Reviews

1. DuroMax 12000-Watt Generator

DuroMax 12000-Watt GeneratorThis DuroMax 12,000-watt generator runs on gasoline or propane with a hybrid fuel source type. The runtime at 25% load is 14 hours, while on 50% load is 7 hours.

The dual fuel source type provides flexibility and freedom to the user for choosing gasoline or propane. The auto shut-off feature turns the generator off when the oil is running low. The starting wattage of 12000 and running wattage of 9500 allow the device to power high amperage tools like air conditioners and refrigerators. Plus, the generator features a 4-stroke engine which ensures smooth operation.

The CARB and EPA approval enables the machine to run in all 50 states. An instruction manual is also provided for a better understanding of the functioning.

Best Features:

  • Wattage: 12000 watts
  • Power Source: Gas
  • Engine Type: 4 stroke
  • Fuel Type: Dual Fuel

Pros:

  • Dual fuel source type.
  • Auto shut-off feature.
  • Powers high-amperage tools.
  • 4-stroke engine.

Cons:

  • Some people received defective products.

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2. Pulsar 12000 Watt Generator

Pulsar 12000 Watt GeneratorIt is a heavy-duty portable dual-fuel 12,000-watt generator that can run on gasoline and LPG. For gasoline, it has a peak wattage of 12,000 and a rated wattage of 9,500 while for LPG, it has a peak wattage of 10,800 and a rated wattage of 8,550.

This generator features a 4-stroke, single-cylinder, air-cooled, OHV, 457 cc engine which is shielded by a long-lasting powder-coated frame. Additionally, it has an 8-gallon tank which enables the machine to run for 12 hours on 50% load without any hassle. The ease of use is ensured with the automated voltage regulation, 3-in-1 digital metre, and low oil shut-off feature. ‘

The 10-inch durable wheels and easy drop-down handles allow easy mobility and convenient storage. It comes with a propane hose and the brand offers a 1-year warranty.

Best Features

  • Wattage: 12000 watts
  • Power Source: Dual Fuel
  • Engine Type: 4 stroke
  • Fuel Type: Gasoline, Liquefied Petroleum Gas

Pros:

  • Dual fuel source.
  • 457 cc engine.
  • Runs for 12 hours on a single tank.
  • Easy mobility and storage.

Cons:

  • People had an issue with the warranty feature.

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3. A-iPower 12000-Watt Generator

A-iPower 12000-Watt GeneratorA-iPower has a starting wattage of 12000 watts and a running wattage of 9000 with gasoline and a starting wattage of 10,800 watts and a running wattage of 8,100 watts with LPG or propane gas.

It is equipped with a powerful 4-stroke, OHV 459 cc engine that makes the 12000-watt generator durable and long-lasting. The auto shut-off feature turns the generator off when it is on low oil. Also, this generator has a large fuel capacity of 7 gallons that has a run time of 9 hours on 50% load and 7 hours on 100% load.

The electric start feature enables easy functioning. The device is covered with rubber covers for added safety.

Best Features:

  • Wattage: 12000 watts
  • Power Source: Dual Fuel
  • Engine Type: 4 stroke
  • Fuel Type: Gasoline, Liquefied Petroleum Gas

Pros:

  • Dual powered.
  • 459 cc engine.
  • Electric start.
  • Additional safety.

Cons:

  • Some people experienced oil leaking from the generator.

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4. Champion 12000-Watt Generator

Champion 12000-Watt GeneratorThis is a powerful portable engine with a starting wattage of 15000 watts and a running wattage of 12000 watts. Moreover, it has a runtime of 9 hours in a full tank of gasoline fuel.

It is enabled with a durable V-twin 717cc engine with a battery-included key start feature. This engine allows the machine to run at a noise level of 78 dBa. Additionally, this generator is enabled with several features like ColdStart Technology which enables smooth functioning in cold weather, and a reliable toggle switch. The in-built surge protector ensures the safety of the appliances and prevents overloads.

The lift hook design allows easy and safe transport and the intelligauge enables the user to track the statistics easily. The brand offers a warranty of 3 years.

Best Features:

  • Wattage: 12000 watts
  • Power Source: Battery Powered
  • Engine Type: 4 stroke
  • Fuel Type: Gasoline

Pros:

  • Starting wattage of 15000 watts.
  • Noise level of 78 dBa.
  • Cold Start Technology.
  • 717 cc battery.

Cons:

  • Some users did not get a response from customer service.

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5. DuroStar 12000-Watt Generator

DuroStar 12000-Watt GeneratorDurostar has come up with a dual fuel source 12,000-watt generator that can alternatively run on gasoline and propane. It is gas-powered and features a 4-stroke engine.

This power tool is enabled with an electric key start, low-oil shut-off, and has 18HP with air-cooled technology. The heavy-duty frame of the tool is fully isolated with four-point motor mounts that ensure quiet and smooth operation. On top of that, it has a full power panel with power outlets, a circuit breaker, a voltmeter, and an oil warning light.

The complete CARB and EPA compliance enable operation in all 50 states in the USA. Copper windings have a longer lifespan and more power.

Best Features:

  • Wattage: 12000 watts
  • Power Source: Gas Powered
  • Engine Type: 4 stroke
  • Fuel Type: Liquefied Petroleum Gas

Pros:

  • Dual powered by gasoline and propane.
  • Air-cooled technology.
  • Quiet and smooth operation.
  • Full power panel.

Cons:

  • Users had a problem with the delivery.

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6. GENMAX 12000-Watt Generator

GENMAX 12000-Watt GeneratorGenmax has a dual fuel output 12000-watt generator that features an OHV, 4-stroke, 458 cc engine with a peak wattage of 10,000 watts and running wattage of 9000 watts. This device also has a fuel tank capacity of 10.5 gallons.

The Freedom and flexibility of choosing your preferred fuel type are ideal for camping with your RV, job site use, and personal use. It has an impeccable runtime of 14.5 hours at 50% load in the “economy mode”. The auto shut-off feature turns the device off at low fuel levels and when it has unsafe production of Carbon Monoxide.

The rolling wheels and strong handle make it easily portable and enable the user to store it easily. The Cold Start Technology allows the user to use it in cold weather conditions.

Best Features:

  • Wattage: 12000 watts
  • Power Source: Gas-powered, Propane-powered
  • Engine Type: 4 stroke
  • Fuel Type: Liquefied Petroleum Gas

Pros:

  • 5 hours of runtime.
  • Easy portability.
  • Cold start technology.
  • 5 gallons fuel tank.

Cons:

  • Some people complained that it was too loud.

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7. All Power 12000-Watt Generator

All Power 12000-Watt GeneratorThis is a 12000 watts generator that is portable and useful for emergencies at job sites, homes, or light industrial areas. The run time of 10 hours at half load enables the user to use it for long hours in a single tank refill.

The generator is enabled with an electric start and has a low noise operation of 76 dBa. It features a starting wattage of 12000 watts and a running wattage of 9000 watts. Moreover, the fuel capacity is 8 gallons. This device comes with a flat-free wheel kit, maintenance-free battery, and an hour metre.

The wheel kit with the generator allows it to have easy transport and storage.

Best Features:

  • Wattage: 12000 watts
  • Power Source: Gas Powered
  • Engine Type: 4 stroke
  • Fuel Type: Gasoline

Pros:

  • 8 gallons fuel capacity.
  • Electric start.
  • 10 hours run time.
  • Easy transport.

Cons:

  • It is difficult to start.

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Things to Consider When Buying a 12000 Watt Generator

Several 12000-watt generators are available in the market with varied specifications and differences in the price range. There are some basic things that you need to keep in mind when you are deciding on the generator that you want to invest in so that it is the best suited for your purpose.

In the following section, we have listed some basic factors that will help you decide on the ideal 12000-watt generator for you.

1. Fuel

These 12000-watt generators are the better-functioning power tools that are the higher-end versions of the portable generators. When the generators are huge and generate so much power, the fuel options become limited for their engines.

When talking about the fuel sources for these generators, there are mainly 3 options. They are gasoline, propane, or a hybrid option of both. Among these options, gasoline is the most common. We discussed all of them in detail.

  • Gasoline: This is the most available and affordable option for fuel in these 12000 watt generators. However, there is one drawback: it becomes difficult to find and scarce when natural disasters take place.
  • Propane: This option is suitable for quick operation as they use the propane gas that is contained in pressurised tanks and can be attached to the generator. They can be used for longer durations. But, they are the most expensive option and are not readily available.
  • Hybrid: This is the best option as it offers ease of use. This model enables the user to use the other fuel option if they run out of anyone.

2. Fuel Economy

Fuel economy is a major concern when you are planning to use a generator for a longer period in time. Fuel economy measures the generator running in a single fill of gas in the tank. It depends on the load applied to the generator, engine efficiency, engine size, and tank capacity. These specifications are generally measured in 50% load applied to the tank.

For instance, if a 12-gallon tank runs for 9 hours at 50% capacity, then the run time is specified to be 9 hours for 50% load. If you plan to use the generator for a full day, then make sure that you go for better fuel economy so that you do not need to refill the tank at odd hours.

3. Design

The build quality or the design should be a top priority when looking at a 12000-watt generator. When investing in a generator, make sure that you buy one that is durable and will be worth every penny. When looking at the design quality, make sure that you decide what will be the uses for the generator.

If you are looking for industrial use, then go for the one with rugged specifications, while for residential use, you can settle for the ones with standard features. For industrial use, go for the ones with stronger roll cages, outlet protectors, and sturdy wheels.

4. Noise Level

If you are looking to use the generator in an RV park, or neighbourhood, then the noise level is an important consideration. If you are planning to use the generator in a construction site, then the noise level is not a major consideration. The generator’s noise level is measured at a distance of 23 feet with a decibel metre. The noise range should be between the range of 67 to 78 dBa. This is in the same range of a household vacuum cleaner.

5. Transfer Switch

This feature provides ultimate safety when using the generator as a backup for your regular power supply. It protects the generator from damage and improves the power ability. Most generators give the option to choose between automatic and manual transfer switches. Out of these, the automatic option is the higher-end and more expensive option.

12000 Watt Generator FQAS

1. What can be powered with a 12000-watt generator?

Ans: The 12000-watt generator can help keep the home running by powering space heaters. Computers, refrigerators, TVs, fans, lights, and other appliances with their outlet.

2. How many appliances can be connected to a 12,000-watt generator at one time?

Ans: With these great power-generating qualities, a 12,000-watt generator can be used to run heavy-duty industrial appliances and has sufficient power to run 3-4 power tools at the same time. On average, the run time for these products would be between 5 to 10 hours, depending on their consumption.

3. For how many hours can the 12000-watt generator run?

Ans: At 50% load, on average, the 12000-watt generator can run for 8 to 9 hours. While on 100% load, these generators can run for 4 to 7 hours.

4. Can a 12000-watt generator run an entire house?

Ans: As the 12000 watt generator is a high-power generation tool, it can easily run an entire house. For better functioning and better run time, you should only use the necessary appliances when running the generator.

5. How much should a 12000 watt generator cost?

Ans: The cost of any 12000-watt generator depends on size, features, and brand. The price range should be between 800 dollars to 1300 dollars.

Final Word

With this guide at your disposal, choosing the 12000 watt generator will be like a walk in the park. We have listed all the criteria you need to know to buy the best 12000 watt generator. Therefore, you must apply these considerations when buying generators. You can write to us in the comments section below if you still have doubts.

  • If you are here for the recommendations, we have listed the top three favourites from the list. The first recommendation is the Pulsar 12000 Watt Generator. It has a dual fuel source 457 cc engine which has a runtime of 12 hours.
  • The second suggestion from the list is DuroStar 12000-Watt Generator. It has air-cooled technology with smooth and quiet operation
  • The third and final suggestion from the list is DuroMax 12000-Watt Generator.It has a dual fuel source engine with an auto shut-off feature that can power high amperage tools.

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