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Best 12000W Generator (2024 Update)

If you're looking for a reliable source of power during emergencies or outdoor activities, a 12000w generator is an excellent choice. This type of generator has a massive output, capable of running multiple appliances and devices simultaneously, making it ideal for larger homes or commercial purposes. However, with so many options on the market, choosing the best 12000w generator can be overwhelming.

Before making a purchase, there are several factors to consider. Firstly, consider the type of fuel the generator uses. Diesel-powered generators are known for their fuel efficiency and durability, while gasoline-powered options are more cost-effective. Next, think about the generator's noise level and portability. If you plan to use it in a residential area, a quieter and more lightweight option may be preferable. Finally, pay attention to the generator's runtime and its ability to handle heavy loads.

Are you concerned about maintaining uninterrupted power supply during power outrages? Or perhaps you're planning an off-grid living lifestyle? No matter the reason, a 12000w generator is an excellent solution to your power needs. However, choosing the right generator can be a daunting task. What type of fuel should you choose? How portable is the generator? What is its noise level, and can it handle heavy loads? These are all essential questions that need satisfying answers before making a purchase.

10 Best 12000W Generator

# Product Image Product Name Product Notes Check Price
1
Ideal for providing backup power to homes and RVs, with dual-fuel options of gas or propane, electric start, and approved for all 50 states.
2
Ideal for home backup and RV power needs with dual fuel capability and electric start.
3
Ideal for powering multiple household appliances and tools during power outages or outdoor events with dual-fuel capability.
4
Ideal for providing portable power backup with dual fuel capability (gas or propane) and electric start, with multiple output options.
5
It is ideal for powering appliances and equipment in RVs, jobsites, and homes during power outages or emergencies.
6
This product is ideal for providing reliable power during outdoor activities or emergency situations.
7
It is ideal for indoor standby power and automatic transfer in case of an electrical outage.
8
Ideal for powering homes or RVs as a backup during power outages, with both recoil and electric starting options.
9
The product is ideal for powering large appliances, tools, and backup power during emergencies with its high wattage and portability.
10
Ideal for providing power during emergencies, outdoor events, and construction projects with its high output and portability.
Ideal for providing backup power to homes and RVs, with dual-fuel options of gas or propane, electric start, and approved for all 50 states.
Ideal for home backup and RV power needs with dual fuel capability and electric start.
Ideal for powering multiple household appliances and tools during power outages or outdoor events with dual-fuel capability.
Ideal for providing portable power backup with dual fuel capability (gas or propane) and electric start, with multiple output options.
It is ideal for powering appliances and equipment in RVs, jobsites, and homes during power outages or emergencies.
This product is ideal for providing reliable power during outdoor activities or emergency situations.
It is ideal for indoor standby power and automatic transfer in case of an electrical outage.
Ideal for powering homes or RVs as a backup during power outages, with both recoil and electric starting options.
The product is ideal for powering large appliances, tools, and backup power during emergencies with its high wattage and portability.
Ideal for providing power during emergencies, outdoor events, and construction projects with its high output and portability.

1. Fuel-Flex Pro 12kw Generator

The DuroMax XP12000EH generator is powered by a strong and reliable 457cc OHV engine that guarantees high performance. It boasts a peak wattage of 12,000 with gasoline and 11,400 with propane, making it capable of handling heavy loads from household appliances to high amperage power tools. The running wattage is 9,500 with gasoline and 9,025 with propane, with running amperage at 120V of 79.17 and 75.21 respectively. The running amperage at 240V is 39.58 and 37.6 respectively. The generator has a runtime of 19 hours at 25% load and 8 hours at 50% load with gasoline, and 14 hours at 25% load and 7 hours at 50% load with propane.

The DuroMax XP12000EH comes equipped with dual fuel technology, providing the flexibility to run on either propane or gasoline. This feature allows users to choose their preferred fuel type and protects their investment by automatically shutting off the generator when it senses low oil levels. Additionally, the generator has DuroMax MX2 technology, which ensures maximum power from each of the 120-volt receptacles. You can choose to operate the generator at both 120V and 240V simultaneously or at 120V only with full power.

This generator is EPA and CARB approved for use in all 50 states, and its 4-stroke engine type ensures efficient and reliable operation. The DuroMax XP12000EH is designed to cater to all your power needs, from household use to outdoor activities. It is perfect for use during power outages, camping trips, outdoor events, and construction sites.

To ensure safe operation, the DuroMax XP12000EH comes with a detailed safety manual that outlines the necessary precautions and instructions for use. Overall, the DuroMax XP12000EH generator is a reliable, powerful, and flexible unit that provides ample power for all your needs.

2. Portable Powerhouse: Durostar Dual Fuel Generator.

The DuroStar 18 HP generator is a reliable and long-lasting power source for all your needs. The air-cooled engine is designed to withstand tough conditions, and the low oil shutoff feature ensures that the engine is protected from damage.

One of the unique features of this generator is its dual fuel technology, which allows it to run on either propane or gas. This makes it a versatile and convenient option for users who may have different fuel preferences or availability.

The heavy-duty frame of the generator is equipped with four-point fully isolated motor mounts, which ensures smooth and quiet operation. The full power panel includes an oil warning light, voltmeter, circuit breaker, and power outlets, making it easy to monitor and control the generator's performance.

Moreover, this generator is fully compliant with EPA and CARB regulations, which means it can be used in all 50 states. Powered by a 4-stroke engine, this generator is a dependable choice for anyone in need of a reliable and efficient power source.

3. Pulsar Dual Fuel Portable Generator With Switch & Go Technology

The power and versatility of the 12,000W Peak/ 9,500W Rated (Gasoline) & 10,800W Peak/ 8,550W Rated (LPG) generator is unrivaled. With a robust 457cc, OHV Engine, this generator is CARB approved, ensuring it meets all of the strictest emission standards.

The generator comes equipped with (4) 120V outlets, (1) 120/240V twist-lock outlet, (1) 120/240V 50 Amp RV outlet, and (1) 12V DC output, providing you with a variety of options to power your appliances and devices. The generator also boasts Switch & Go capability with Electric Push Start and Recoil Back-up, making it easy to switch between gasoline and propane fuel sources.

The 3-in-1 Digital Meter is a useful tool that provides information on voltage, frequency, and run time. For convenience, the generator also features drop-down handles and 10” never-flat wheels, making it easy to move around your property or take it with you on the road.

4. Powermax Dual Fuel Portable Generator: 12000w

Looking for a reliable and powerful generator that can provide enough power for your home or business? Look no further than this 12000 watt peak power generator.

With a rated power of 9000 watts on gas and 7250 watts on LPG, this generator is perfect for running power tools, appliances, and other electronic devices. It features an 18HP 459cc OHV air cooled engine that delivers consistent power and performance.

This generator has a running time of up to 10 hours at half load, thanks to its large 8-gallon fuel tank. It also has an operating noise level of 76 dB, making it ideal for use in residential areas.

The generator comes equipped with an electric start button and a recoil start, making it easy to start up and get going. It includes 2x 120V AC 20A outlets, 1x 120V twist-lock AC 30A outlet, 1x 120/240V twist-lock AC 30A outlet, and 1x AC 120V/240V AC 50A Outlet, allowing you to power a variety of devices and appliances.

This generator also comes with an hour meter, maintenance-free battery, and flat-free wheel kit, making it easy to maintain and transport. Please note, this generator is EPA certified, but it is not C.A.R.B. compliant and is not available to ship to California.

5. Powermaster: 12kw Gas Gen For Job,rv, House

The A-iPower SUA12000 is a reliable and efficient generator that produces 12,000 starting watts and 9,000 running watts, making it the perfect solution for powering your tools at the construction site, camping ground, or home appliances.

Equipped with a powerful 459 cc OHV 4 stroke engine, this generator is designed to deliver impressive performance, while the low oil alert light and automatic shutdown feature ensure that the engine remains in top condition for years to come.

Thanks to its large 7 gallon gasoline fuel tank, this generator provides an average run time of 7 hours at 100% load and 9 hours at 50% load, making it ideal for extended use. Additionally, the Electric Start capability allows you to quickly, easily, and conveniently start up your generator whenever you need it.

The A-iPower SUA12000 is also equipped with multiple outlets to meet your various power needs, including 2×5-20R Duplex GFCI (20A, 120V), 1xL14-30R (30A, 120/240V), 1×14-50R (50A, 120/240V), and 1xMultifunction Port USB Ready Automotive Style Outlet (8.3A, 12V). All outlets come with rubber covers for an additional layer of safety.

With its impressive power output, reliable engine, and versatile outlets, the A-iPower SUA12000 is a must-have for anyone in need of a high-quality generator.

6. Ultimate Power Combo For Any Weather

The XP12000EH generator boasts a mighty DuroMax 18HP, 457cc OHV engine, providing reliable and efficient power. Thanks to its dual fuel technology, this generator can run on either propane or gasoline, giving users the freedom and flexibility of fuel choice.

With a starting output of 12,000 watts and a running output of 9,500 watts, this generator can handle heavy loads with ease. From powering lights and refrigerators to home air conditioners and high amperage power tools, the XP12000EH has plenty of power to keep your home or workplace running smoothly.

Featuring DuroMax MX2 technology, users can get the maximum power from each of the 120-volt receptacles. With the option to choose between operating the generator at both 120V and 240V simultaneously or at 120V only with full power, this generator can adapt to any situation.

The generator comes with a Temp Power Cord that is NEMA 14-50P (4-Prong) to CS6364, measuring 25 feet in length. The ergo grip plug handle with LED power indicators and angled connector provide improved strain relief, making it easier to use for extended periods.

The inlet box is CS6375 or SS2-50P, with four knockouts at 0.85 inches. It also features a locking collar, providing enhanced protection from the elements while in use, ensuring your generator stays secure and protected from the elements.

7. Kohler 12resvl100: 12kw Indoor Generator With Transfer Switch

Introducing the Kohler Generator, a premium power source that guarantees automatic restoration of power in just 10 seconds. Equipped with advanced voltage and frequency regulation, this generator ensures that your valuable electronics stay protected while in use.

This generator boasts compatibility with both natural gas (11W) and liquid propane (12kW), and provides a simple switching mechanism between the two in the field. You can rest assured knowing that your generator can handle any power source needed.

The Kohler Generator is powered by a reliable KOHLER Series 7000 V-twin engine with an efficient OHV design. This feature ensures that the generator operates smoothly and reliably, providing you with uninterrupted power.

In addition to its reliable engine, the Kohler Generator comes with PowerBoost technology that provides power to start large loads, such as central air conditioners, without dropping power to other appliances. This ensures that all your appliances are powered up and running smoothly.

The OnCue Plus remote monitoring system is another feature that sets this generator apart from the rest. This system provides real-time status updates on your generator from anywhere using your smartphone, tablet, or PC. This means that you can monitor your generator's status at all times, giving you peace of mind during power outages.

8. Green-Power 12000w Portable Generator: The Ultimate Power Solution

The GN12000CEW is a highly efficient gasoline-powered generator that is designed to deliver 9,500 watts of continuous running power. It is equipped with a powerful 460cc 16HP LCT engine that is EPA and CARB certified, making it a reliable and efficient choice for homeowners and outdoor enthusiasts alike.

This heavy-duty Atlas Series generator is built to withstand rugged environments and features a 6.6-gallon gas tank which ensures a run time of 8 hours at half load. The electric start is easy to use, making it simple to get the unit up and running quickly.

The GN12000CEW generator features six weather-covered AC outlets, which include four 120V/20A NEMA 5-20A, one 120V/240V Twist-Lock NEMA L14-30R, and one 120V/240/50ANEMA RV ready TT-50. It also includes a 12V/8.3A DC outlet, making it a versatile choice for powering a range of devices.

The unit is designed with 10″ solid wheels and fold-away handles, making it easy to move from one location to another. Additionally, the GN12000CEW is equipped with a low oil automatic shutoff feature that protects the engine from damage if oil levels get too low. The built-in fuel gauge makes it easy to monitor fuel levels and ensure that it is always ready to go.

This generator is an ideal choice for use around the home as a backup power source during emergencies, as well as for recreational activities such as camping and tailgating. It is capable of powering electronic devices, lights, small kitchen appliances, RV air conditioning units, power tools, and bench tools.

The GN12000CEW is EPA approved for use in all 50 states, making it a reliable and efficient option for anyone who needs a dependable power source. With its powerful engine, multiple outlets, and easy-to-use features, this generator is an excellent choice for anyone who needs reliable power in any situation.

9. Champion 15k/12kw Portable Generator With Hook-Start

Looking for a reliable and powerful generator that can provide you with up to 9 hours of run time on a full gasoline tank? Look no further than the Ultra-Powerful generator from Champion. With a starting wattage of 15,000 and a running wattage of 12,000, this generator is capable of powering even the most demanding tools and appliances. And with a noise level of only 78 dBA from 23 feet away, you won't have to worry about disturbing your neighbors.

Starting the generator is easy thanks to the included electric start, which is powered by a reliable 717cc V-Twin Champion engine. The engine also features built-in Cold Start Technology, ensuring that you can start it up even in cold weather. Once the generator is up and running, you'll find a range of outlets to choose from, including one 120V 30A locking outlet, a 120/240V 30A locking outlet, a 120/240V 50A outlet, and four 120V 20A GFCI outlets. And with the built-in Volt Guard surge protector, you can rest easy knowing that your appliances and equipment are safe from overloads.

Transporting the generator is simple and safe thanks to the lift hook, which makes it easy to load and unload the generator as needed. And once it's up and running, you can use the Intelligauge to keep track of voltage, hertz, and run-time hours, helping you to monitor power output and track maintenance intervals.

Finally, you'll enjoy the peace of mind that comes with Champion's 3-year limited warranty, which includes free lifetime technical support from dedicated experts. So why wait? Invest in the Ultra-Powerful generator from Champion today and enjoy reliable and powerful performance whenever you need it.

10. Powermax 12000 Generator With Electric Start

Introducing a high-performance generator that provides reliable power for your appliances and tools. With 12,000 starting watts and 9,000 running watts, this generator is built to meet your power needs. It is EPA and CARB compliant for all 50 states, ensuring that it meets the necessary environmental standards.

Featuring a powerful 459cc/16Hp engine, this generator delivers exceptional power, thanks to its high-performance alternator that provides greater peak wattage. It allows you to run your motor-driven appliances and tools simultaneously, making it ideal for both residential and industrial use.

The generator is equipped with multiple front panel outlets, making it easy to connect your appliances and tools. Additionally, the ergonomically angled compact control panel offers multiple outlets with a weatherproof cover that protects against environmental elements. This added protection ensures that your power connections are secure and safe.

The single-cylinder, air-cooled, 4-stroke engine with electric start delivers reliable and consistent power, making it easy to start and operate. Despite its size, the engine is only a single cylinder, which makes it more efficient and cost-effective.

Best 12000W Generator FAQs

Can a 12000w generator power a whole house?

It depends on the size of your house and the power requirements of your appliances. A 12000w generator is a large generator and can power a lot of electrical appliances at the same time. However, if you have a large house with many appliances that consume a lot of power, a 12000w generator might not be enough to power your entire house.

To determine if a 12000w generator can power your whole house, you need to calculate the total wattage of all the appliances you want to power. This includes your HVAC system, fridge, freezer, lights, and other electrical appliances. Once you have an idea of the total wattage required, you can compare it to the wattage of your generator.

It is also important to note that a generator should be properly sized to avoid overloading and damaging your appliances. It is recommended to consult with a professional electrician to determine the appropriate generator size for your home.

How many outlets does a 12000w generator typically have?

The number of outlets a 12000w generator has typically depends on the specific model and brand of the generator. However, most 12000w generators come equipped with multiple outlets to power different appliances and tools simultaneously. Generally, a 12000w generator may have four to six outlets, which can be a combination of 120V and 240V outlets.

The 120V outlets are commonly used to power small appliances such as lights, fans, and televisions, while the 240V outlets are used for larger appliances such as air conditioners, dryers, and ovens. Some 12000w generators may also come with specialized outlets such as twist-lock outlets for powering heavy-duty tools and equipment.

It's important to consult the specifications of the specific generator model to understand the number and type of outlets it has before making a purchase. Additionally, it's crucial to ensure that the generator's outlets are compatible with the appliances and tools you plan to power to avoid damage or safety hazards.

How much does a 12000w generator typically weigh?

The weight of a 12000w generator can vary depending on the brand and model. Generally, a generator of this size can weigh anywhere from 300 to 500 pounds or more. Portable generators in this power range are typically heavier due to the larger engines and fuel tanks required to generate the higher wattage. Stationary generators, on the other hand, may be lighter as they do not need to be moved around frequently. It's important to consider the weight of the generator when deciding on a location for installation or transportation. Some generators may come with wheels or handles to make them easier to move, while others may require additional equipment such as a trailer or lifting device. It's always best to consult the manufacturer's specifications for the exact weight of the generator you are interested in.

What are the top brands for 12000w generators?

When it comes to 12000w generators, there are several top brands that you can consider. One of the most popular brands is Generac, which offers a wide range of powerful generators that are suitable for both residential and commercial use. Their 12000w generators are known for their durability, reliability, and ease of use, making them a great choice for anyone looking for a high-quality generator.

Another top brand for 12000w generators is Honda, which is known for its high-performance generators that are designed to provide reliable power in even the toughest conditions. Honda generators are also known for their quiet operation and fuel efficiency, making them a great choice for anyone who wants a generator that is both powerful and efficient.

Other top brands for 12000w generators include Champion, Westinghouse, and Briggs & Stratton, all of which offer high-quality generators that are designed to provide reliable power for a variety of applications. Ultimately, the best brand for you will depend on your specific needs and preferences, so it's important to do your research and choose a generator that meets your requirements.

What is the noise level of a 12000w generator?

The noise level of a 12000w generator can vary depending on the make and model. Generally, generators with higher wattage tend to be louder than those with lower wattage. However, most 12000w generators produce noise levels between 70-80 decibels (dB) when running at full capacity. To put this in perspective, 70 dB is equivalent to the noise level of a vacuum cleaner, while 80 dB is equivalent to the noise level of a garbage disposal unit. It's worth noting that prolonged exposure to noise levels above 85 dB can cause hearing damage, so it's important to take appropriate measures to reduce noise levels when using a generator. Some options include placing the generator further away from your home or using soundproofing materials to reduce noise levels.

What is the price range for a high-quality 12000w generator?

The price range for a high-quality 12000w generator varies depending on the brand, features, and the type of fuel it uses. On average, you can expect to pay anywhere between $2,000 to $5,000 for a high-quality 12000w generator. Some of the top brands in the market that manufacture high-quality generators include Honda, Yamaha, Generac, and Briggs & Stratton. These brands are known for producing reliable and efficient generators that can power your home or business during power outages. When purchasing a high-quality generator, you'll want to consider factors such as the fuel efficiency, noise level, portability, and ease of use. It's also important to read reviews and compare prices before making a final decision to ensure that you're getting the best value for your money.

What is the runtime of a 12000w generator on a full tank?

The runtime of a 12000w generator on a full tank depends on several factors, such as the size of the fuel tank, the fuel efficiency of the generator, and the load it is powering. Generally, a 12000w generator with a fuel tank capacity of 8 gallons can run for about 8-10 hours at half load and 4-6 hours at full load. However, if the generator is running at a lower load, it can run for a longer time on a full tank. It is essential to note that running a generator at full load for an extended period can cause it to overheat and reduce its lifespan. Therefore, it is recommended to operate the generator at half load or less. Additionally, it is essential to follow the manufacturer's instructions and conduct regular maintenance to ensure the generator's optimal performance and longevity.

What kind of warranty do manufacturers typically offer for 12000w generators?

The warranty offered by manufacturers for 12000w generators can vary depending on the brand and model. However, most reputable manufacturers typically offer a warranty period of at least 2 years for their generators. Some manufacturers may offer longer warranty periods of up to 3 or 4 years for their higher-end models.

The warranty typically covers defects in materials or workmanship that may cause the generator to malfunction or fail. It's important to note that the warranty may not cover damage caused by misuse, neglect, or improper maintenance.

Before purchasing a 12000w generator, it's important to review the manufacturer's warranty policy to ensure that you understand the coverage and any limitations or exclusions that may apply. Additionally, it's always a good idea to purchase from a reputable dealer or retailer who can offer additional support and assistance if any issues arise.

What safety features should I look for in a 12000w generator?

When looking for a 12000w generator, safety features should be a top priority. Here are some of the key safety features to look for:

1. Circuit breaker: A circuit breaker is a safety device that automatically shuts off the generator in case of an overload or short circuit.

2. Ground fault circuit interrupter (GFCI): A GFCI is a safety feature that helps to prevent electrical shock. It monitors the electrical current and shuts off the power if it detects an imbalance.

3. Automatic voltage regulation (AVR): AVR helps to protect your appliances from damage by regulating the voltage and preventing fluctuations that can cause damage.

4. Low oil shutdown: This feature automatically shuts off the generator if the oil level drops below a safe level, preventing damage to the engine.

5. Fuel shut off valve: This feature allows you to easily shut off the fuel supply to the generator in case of an emergency.

6. Noise reduction: Look for generators with noise reduction features to reduce the risk of hearing damage.

Overall, it's important to carefully review the safety features of a generator before purchasing it to ensure that it meets your needs and will keep you and your family safe in case of an emergency.

Which fuel type is best for a 12000w generator?

The best fuel type for a 12000w generator depends on a few factors, such as cost, availability, and convenience. However, the most common fuel types for generators are gasoline, propane, and diesel.

Gasoline is the most widely available fuel and is generally the most affordable. It is also easy to find and can be stored for long periods without deteriorating. However, gasoline can be volatile, and its fumes can be harmful to the environment.

Propane is a clean-burning fuel that produces fewer emissions than gasoline. It is also more efficient and can be stored for long periods without deteriorating. However, propane can be more expensive than gasoline, and it requires a specialized tank to store.

Diesel is a reliable and efficient fuel that is commonly used in industrial applications. It produces fewer emissions than gasoline and can run for longer periods without needing refueling. However, diesel fuel can be more expensive than gasoline and is not as widely available.

Ultimately, the best fuel type for a 12000w generator depends on your specific needs and circumstances. It is important to do your research and consider all the factors before choosing a fuel type.