Best 12000 Watt Generators Reviews

Are you getting tired of unexpected power outages, or want to enjoy off-grid living or working in remote areas? Then what would be your power companion to power up all your devices? Simple, a 12000-watt generator will be your ultimate solution. It is a powerful, portable, and versatile option that can power everything from essential household appliances to heavy-duty tools. They have multiple fuel options, great fuel efficiency, and user-friendly designs. So, they ensure reliable power irrespective of the place (home, jobsite, or outdoors).

Don’t worry about how to select the best option that suits your specific power requirements and your preferences. We will help you by providing the three major factors that guide you to make an informed decision.

  • Runtime – It gives a clear idea of how long a generator can run on a full tank of fuel and allows its users to plan its usage accordingly, especially during extended outages or overnight. This runtime will be affected by various factors, including engine efficiency, fuel tank capacity, and the overall generator’s load. So, select a 12000-watt generator with at least 8 – 12 hours of runtime on a full tank. 
  • Fuel Efficiency – It determines how efficiently the fuel is utilized by the generator to power the appliances, and also it directly impacts its runtime and operating costs. Always prefer a unit with at least 10 gallons of fuel tank capacity and a fuel consumption rate of 1 gallon per hour (or less) for extended operating time without refueling it quite often. 
  • Noise Level – A constant noise from a running generator will surely disturb you and your neighborhood. So, if you want to use the generator in your residential area, then choose the one with noise levels ranging from 70 – 75 decibels at 23 feet. This noise range is like the noise that comes out while having a normal conversation, which does not disrupt your surroundings. 

For more detailed insights into these 12000W generators, we recommend you read our “Buying Guide”, and a carefully selected list of top 12000-watt generators for uninterrupted power solutions.

Best 12000 Watt Generator Table

12000 Watt GeneratorFuel TypeTank CapacityBuy Now
DuroMax XP12000EH GeneratorGas or Propane8.3 gallonCheck On Amazon
Pulsar G12KBN Portable GeneratorGasoline/Propane8 gallonCheck On Amazon
A-iPower SUA12000E Portable GeneratorGasoline7 gallonCheck On Amazon
Green-Power America GeneratorGasoline6.6-gallonCheck On Amazon
All Power APGG12000 GeneratorGasoline/Propane6.6-gallonCheck On Amazon
GENMAX Dual Fuel Inverter GeneratorGasoline/LPG3.8-gallonCheck On Amazon

Best 12000 Watt Generator Reviews

1. DuroMax XP12000EH Generator

DuroMax 12000-Watt Generator

The DuroMax XP12000EH offers backup power solutions with its dual fuel capability, seamlessly operating on either gasoline or propane. This flexibility ensures you’re prepared in any situation, especially when fuel availability is unpredictable. With a robust 12,000-watt rating, it powers everything from essential home appliances during an outage to heavy-duty tools on a job site, making it a dependable and versatile addition to your emergency preparedness plan.

Starting up in seconds with its electric start mechanism, this generator ensures power is always within reach when you need it the most. Built with durability in mind, it boasts a rugged frame capable of withstanding demanding environments without compromising on efficiency. Equipped with multiple power outlets, it caters to a wide range of electrical needs, making it an invaluable asset for both home and professional settings.

Equipped with advanced MX2 Power Boost technology, this generator combines innovative features with proven dependability. The technology ensures maximum power output, making it an excellent choice for running high-capacity appliances and tools. Its ability to handle multiple high-demand devices simultaneously underscores its efficient design. Additionally, safety features such as a carbon monoxide sensor and low oil shutdown make it a safe and reliable option for diverse usage scenarios.

Specifications:

  • Dual Fuel: Gasoline or Propane
  • 12,000 starting watts, 9,500 running watts
  • 240-volt output
  • 3-gallon fuel tank capacity
  • Electric start with battery
  • 50 amp heavy-duty outlet included
  • Durable all-metal construction
  • Equipped with CO sensor for safety
  • Portable design with wheel kit
  • Low oil shutdown feature

Pros:

  • Flexible dual fuel capability
  • High power output
  • Robust metal construction
  • Variety of outlet options
  • Portable with wheel kit

Cons:

  • Louder operation compared to rivals
  • Maintenance can be intensive
  • Larger size limits storage options

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2. Pulsar G12KBN Portable Generator

Pulsar 12000 Watt Generator

Pulsar G12KBN combines power and versatility in a portable generator designed for reliability. Its dual-fuel capability enables it to run on either gasoline or propane, making it an adaptable choice for emergency situations where fuel availability may vary. Delivering a peak output of 12,000 watts and a rated 9,500 watts on gasoline, it can effortlessly handle major appliances and tools during extended outages.

Designed for ease of use, this generator combines a robust electric start system with a powder-coated frame that ensures durability even in harsh conditions. Mobility is a breeze thanks to its 10” never-flat wheels and convenient drop-down handles, allowing for easy transportation and storage. Whether for home backup power or heavy-duty applications on construction sites, this generator proves to be a reliable and practical choice.

While it’s a reliable performer overall, the Pulsar generator does come with a few hurdles, such as a somewhat demanding initial setup and occasional power consistency issues under fluctuating loads. However, its ability to provide stable performance and straightforward maintenance compensates for these minor drawbacks. Designed to handle both residential and light commercial demands, it remains a worthwhile investment for those seeking a dependable power source.

Specifications:

  • Dual Fuel: Gasoline or Propane
  • 12,000 peak watts, 9,500 rated watts (Gas)
  • Electric start with a durable frame
  • 8-gallon fuel tank for extended use
  • Four 120V 20A AC outlets, multiple power options
  • 12 hours of operation at half-load on gas
  • Includes propane hose for immediate use
  • Equipped with low oil shut-off
  • Digital meter and automatic voltage regulation
  • 10” never-flat wheels for easy transport

Pros:

  • Versatile dual-fuel operation
  • High peak and rated power
  • Easy mobility with sturdy wheels
  • Extended runtime capabilities
  • Automatic voltage regulation

Cons:

  • The initial setup can be complex
  • Inconsistent power with fluctuating loads
  • Heavy, challenging to maneuver solo

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3. A-iPower SUA12000E Portable Generator

A-iPower SUA12000E Portable Generator

A-iPower has crafted the SUA12000E portable generator to excel in demanding situations, offering an impressive 12,000 starting watts and 9,000 running watts. Ideal for heavy-duty tasks, this generator is a reliable companion at construction sites, camping grounds, or during extended residential outages. Powered by a robust 459 cc OHV 4-stroke engine, it guarantees consistent performance when you need it most.

Ease of use is a key strength of the generator, featuring electric start functionality for quick activation. The generator includes several practical outlets to cater to a variety of needs, from powering RVs to heavy machinery, enhancing its appeal to a broad audience. Furthermore, its substantial 7-gallon fuel tank supports an average run time of 7 to 9 hours at 50% load, which positions it as a workhorse capable of enduring longer operational periods without frequent refueling.

However, the operational noise level of the generator, while common among generators of this size and power, may be a consideration for users requiring a quieter operation. Additionally, while it provides extensive power, its weight and size may pose mobility challenges in less spacious environments or for users who frequently relocate their power solutions. These aspects are crucial to consider when planning for usage in residential settings or noise-sensitive areas.

Specifications:

  • Gasoline-powered, 9,000 running watts
  • 12,000 starting watts capacity
  • Electric start with battery included
  • 459 cc OHV engine, low oil shutdown
  • A 7-gallon fuel tank provides a lengthy runtime
  • Multiple Outlets: 120/240V and USB ready
  • Neutral bonded to frame for safety
  • Powerful enough for large appliances
  • 120 Volts operational voltage
  • Safety features include GFCI outlets

Pros:

  • High power output for various uses
  • Convenient electric start mechanism
  • Extended operation with a large fuel tank
  • Versatile outlet options for multiple needs
  • Reliable engine with safety shutdown

Cons:

  • Requires significant storage space
  • Limited portability due to size and weight

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4. Green-Power America Generator

Green-Power America Generator

Green-Power America delivers power and reliability with the GN12000CEW generator, designed to handle diverse needs with ease. Whether you’re seeking backup power for your home during outages, tackling demanding tasks at a job site, or enhancing your outdoor adventures, this 12,000-watt generator ensures consistent performance. Powered by a robust 460cc 16HP LCT engine, it provides 9,500 watts of continuous power, making it a dependable companion for heavy-duty appliances and tools.

Designed with convenience in mind, this generator shines through its easy electric start, removing the need for manual pull starts and enhancing user-friendliness. A generously sized 6.6-gallon gas tank ensures up to 8 hours of operation at halfload, minimizing the need for frequent refueling. Its weather-covered outlets further add to its appeal, providing safe and reliable power even in challenging environmental conditions.

Despite its powerful output, the generator also focuses on portability. It comes with 10” solid wheels and fold-away handles, which significantly ease movement and storage. However, the generator’s weight and operational noise level might pose challenges in noise-sensitive environments or for those requiring easy mobility. These aspects are important to consider for potential users looking for a balance between power and convenience.

Specifications:

  • 12000 watts peak, 9500 running watts
  • Gasoline-powered with electric start
  • 460cc 16HP LCT engine
  • 6-gallon fuel tank for extended use
  • Multiple covered outlets for safety
  • 8-hour run time at 50% load
  • Weather-resistant outlet covers
  • Portable with solid wheels and handles
  • Operational Volume: 76 dB(A)
  • Equipped with low oil auto shut-off

Pros:

  • High continuous power output
  • Diverse power outlet options
  • Extended run time capabilities
  • Solid wheels enhance portability
  • Easy electric start mechanism

Cons:

  • Large size requires ample storage
  • Not the most fuel-efficient

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5. All Power APGG12000 Generator

All Power 12000-Watt Generator

All Power’s APGG12000 generator delivers an impressive 12,000 peak watts and 9,500 running watts, ensuring dependable performance during emergencies or demanding tasks. With a robust gasoline engine and dual-fuel capability, it allows users to seamlessly switch between gasoline and propane, providing flexibility in fuel choice. Its high power output and versatility make it an ideal solution for home backup power or heavy-duty job site operations.

In terms of operation, the generator is equipped with an electric start feature, which simplifies the start-up process and reduces downtime. It’s designed with safety in mind, featuring a built-in carbon monoxide sensor that automatically shuts down the generator if unsafe levels of CO are detected, providing peace of mind for users in residential settings. The inclusion of multiple outlets offers flexibility in connecting a variety of devices and tools simultaneously.

However, while the generator offers substantial power and safety features, its portability is somewhat hampered by its significant weight. The unit is bulky, making it challenging to move and store, particularly in tight spaces. Additionally, the operational noise level is considerable, which might be a drawback for users in noise-sensitive environments or residential areas where quiet operation is preferred.

Specifications:

  • Dual Fuel Capability: Gasoline or Propane
  • 12000 peak watts, 9500 running watts
  • Electric start and carbon monoxide sensor
  • Multiple outlets for varied connectivity
  • 240 volts for powerful output
  • Portable design with included wheel kit
  • Built for safety with a CO shutdown feature
  • Heavy-duty frame for durability
  • Designed for residential and emergency use
  • Automatic voltage regulation for stability

Pros:

  • High wattage for major power needs
  • Dual fuel flexibility enhances usability
  • Safety features like CO sensor included
  • Multiple power outlets for convenience
  • Electric start for easy operation

Cons:

  • Requires significant storage space
  • Heavy, limiting portability

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6. GENMAX Dual Fuel Inverter GeneratorGENMAX 12000-Watt Generator

GENMAX delivers reliability and versatility with its dual-fuel inverter generator, designed to meet your power needs in a compact form. Operating seamlessly on both gasoline and propane, it allows you to choose the most convenient or cost-effective fuel source. With a 4000-watt output, it’s ideal for outdoor adventures, emergency home backup, or powering small job sites efficiently.

Known for its DIY-friendly design, this generator stands out by allowing users to customize it to their specific needs. Unique features include options to extend functionality with additions like electric start, wheel armrests, and larger fuel tanks. Moreover, its parallel and series capability lets two units be linked, boosting power output for demanding applications. This combination of adaptability and power makes it a valuable choice for versatile use.

While its size and design impress, the generator’s power may fall short for high-demand tasks. It’s best suited for smaller applications and struggles with larger appliances or multiple tools running simultaneously. The advanced features, though useful, come with a steeper learning curve, especially for those unfamiliar with such technology. For users preferring simplicity, its customization requirements might be a drawback.

Specifications:

  • Dual fuel operation (Gasoline or Propane)
  • 4000 starting watts, 3200 running watts
  • Lightweight aluminum frame construction
  • DIY customization options available
  • Parallel and series connection capability
  • Powerful control panel with multiple outlets
  • Low oil shut-off and CO detection for safety
  • Magnetic dipstick to help maintain cleanliness
  • Free combination, rich expansion functions
  • Portable and easy-to-move design

Pros:

  • Flexible dual-fuel operation
  • Lightweight and portable
  • Expandable and customizable
  • Safe with built-in CO sensor
  • Efficient fuel consumption

Cons:

  • Lower power output for large demands
  • DIY adjustments may be complex
  • Requires technical knowledge for customization

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Key Factors To Consider When Choosing A 12000-Watt Generator

A 12000-watt generator is a powerful electricity source used widely by those needing significant energy backup for homes, offices, outdoor events, or off-grid living. They effortlessly power many appliances or heavy-duty equipment. Since the market is flooded with numerous 12000W generators, selecting your ideal option can be daunting, which involves evaluating various key factors and cross-checking them with your requirements. So, we are here to simplify your selection and purchase process with this amazing guide, which explains all the key factors to consider and gives you a clear idea of how to choose your best option.

Let’s get into the details of key factors to consider….

1. Fuel Type

Fuel type is the foremost factor that decides the generator’s performance and efficiency. The selection should be done as per the generator’s engine. Three common fuel types will be gasoline, propane, and diesel. Among these, gasoline is a widely available fuel that offers high power output but is volatile, has a shorter storage life, high maintenance, and needs proper storage. Propane has clean-burning efficiency that offers longer shelf life, low emissions, low maintenance, and provides a perfect balance of power and portability. Diesel fuel is durable, and a great fuel efficiency option that has superior power output, and low maintenance due to its superior combustion process. It is perfect for heavy-duty applications and extended periods, but noisier and heavier. However, the average fuel consumption at 50% load for gasoline is 1 – 1.2 gallons per hour, propane is 0.6 to 0.8 gallons per hour, and diesel is 0.8 to 1.0 gallons per hour.

Mostly, these generators run on specific fuel types, but the advancements in technology designed dual-fuel generators, which can run on either gasoline or propane based on the fuel availability, and cost. It is a flexible and convenient option that ensures continuous operation by switching to these fuel types. Thus, it is a perfect option for camping, emergencies, or in areas with limited fuel availability.  

2. Run Time

Who doesn’t like to enjoy the uninterrupted operation of various essential appliances, especially during overnight or extended power outages? So, this makes the runtime, quite essential factor to check while buying a 12000-watt generator. These generators come with a standard runtime of 8 – 12 hours at 50% load. So, mostly these generators can power various appliances or devices efficiently on a workday or overnight without refueling the tank again. You can also find some modern, high-capacity generators with large fuel tanks and improved fuel efficiency that can run even for a longer time. A simple solution to get rid of this refueling issue is to know the power consumption needs of all your generator-connected devices and then pick the right generator with a longer runtime.

3. Noise Level

Next on our list, we have noise level, the utmost factor to consider particularly for recreational or residential applications, where noise is a clear offense. While it isn’t a big deal to use on construction sites. Generally, these generators are inherently noisy with a standard noise level, ranging from 70 to 80 decibels (dB). This means it produces noise that resembles an operating vacuum cleaner or a busy street. Now, most people think that there is any way to reduce this noise and use the generator in their places. Yes, some modern generators have noise-reduction features such as specialized mufflers or insulated housing to reduce the sound output. Also, you can place the generator at a safe distance from working or living areas (or) look for models that are specially designed to work quietly.

4. Portability

The size and weight of any device will determine its portability. These 12000-watt generators are usually large and heavier ones that weigh between 200 – 400 pounds. However, this factor isn’t necessary for people who use their generators by placing them constantly in one place (in their home or office premises). In case, if you plan to move the generator between different sites, then portability comes into play while selecting the generator. Always prefer a generator with foldable handles, pneumatic wheels, and a balanced design to make its transportation easier, especially for those who move the generator between job sites or store them away after use. Portable models are useful for outdoor applications where you have to set them up in different locations without much effort.

5. Starting Method

How would you like to start the generator to power up your devices – either the older recoil start style, convenient electric start, or the advanced remote start? Usually, basic generator models have a recoil start method (a reliable yet effort-intensive method), where you need to pull a cord manually to start it. Electric start generators are a more convenient option that lets you start the unit with a simple push of the button or turn of a key. Remote start generators are a far more convenient option that enables you to start the unit from a distance, which makes it particularly useful in inclement weather (or) if the unit is installed in a less accessible location. However, it is wise to select the electric or remote start options for larger generators for the user’s convenience and ease of use.

6. Outlet Configuration

A generator with a standard outlet configuration will allow for the proper accommodation of a variety of devices. There are two main types of configurations available for these 12000-watt generators – 120V household outlets for small appliances, and 240V outlets for high-powered devices. A few models offer twist-lock outlets to secure all your power cords, whereas some models are integrated with USB ports to charge a variety of small electronics conveniently. To get a clear idea of how to choose the generator with the proper outlet configuration, you need to understand the power needs and pick the perfect generator with the right mix of outlets that ensures compatibility and reliable performance.

7. Safety Features

For the safe and efficient operation of any device, their safety features play a key role. If you are looking for a 1200-watt generator to use for a quite longer time, then choose the unit with some must-have key features – overload protection (auto-turn off the power if the unit has to work beyond its capacity) and low oil shutoff (auto-shutdown the unit if found low levels of oil to protect the engine). While some modern generators with advanced technology have carbon monoxide detectors that monitor the units’ CO emission levels and shut the generator if it detects any higher concentrations. So, safety features aren’t only for the generator but also for the safety of those around the unit.

8. Design

The build quality or the design should be a top priority when looking at a 12,000-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.

9. 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.

FAQs:

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

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?

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?

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?

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?

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

Conclusion

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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