When searching for a dual fuel generator 12000 watt, you’re looking for a powerful, versatile option that can run on gas or propane. The Pulsar PG12000B stands out as the best overall choice with its electric start and switch & go technology, ideal for both backup and outdoor use. The Westinghouse 14500 Peak Watt Generator offers extra power for demanding jobs, while the DuroMax XP12000EH provides a reliable balance of performance and affordability. Buyers often face tough tradeoffs between size, power output, and price. Keep reading for a detailed breakdown of these options to find the best fit for your needs.
Get business pricing on tools and workshop supplies
- Business-only prices and quantity discounts
- Tax-exempt purchasing
- Multiple users, one account, clear invoices
Complete the kit
Key Takeaways
- The top picks balance power, portability, and ease of use, with the Pulsar PG12000B excelling in versatility.
- Some models, like the Westinghouse 14500 Peak Watt, push higher wattage for demanding backup needs but tend to be larger and more expensive.
- Electric start and remote control features significantly improve usability, especially for backup and emergency use.
- Price varies widely, with premium models offering quieter operation and advanced safety features, while budget options focus on basic power.
- Fuel flexibility varies; some generators run smoothly on both gas and propane, but this can add complexity and cost.
| dual fuel generator 12000 watt | Fuel Type | Wattage |
|---|---|---|
| Pulsar 12,000W Dual Fuel Porta | Gasoline, Propane | 12000 watts |
| Pulsar G12KBN Heavy Duty Porta | Gasoline, LPG | 12000 watts |
| Westinghouse 14500 Peak Watt D | Gasoline, Propane | — |
| Westinghouse 12000 Peak Watt D | — | — |
| GENMAX Dual Fuel Portable Gene | Gasoline, Propane | 12000 watts |
| DuroMax XP12000EH 12,000-Watt | Dual Fuel (Gas & Propane) | 12000 watts |
| DuroStar DS13000MX 13,000-Watt | Gasoline and Propane | 13,000 watts |
| DuroMax XP13000EH 13,000-Watt | Gasoline and Propane | 13,000 surge / 10,500 running |
| Westinghouse 13500 Peak Watt D | — | — |
| Westinghouse 12500 Watt Dual F | — | — |
| Westinghouse 12500 Peak Watt D | — | — |
More Details on Our Top Picks
Pulsar 12,000W Dual Fuel Portable Generator with Electric Start and Switch & Go Technology, CARB Approved PG12000B
The Pulsar PG12000B stands out for delivering a robust 12,000 peak watts with dual fuel versatility, making it a strong choice for those who need reliable backup power or outdoor power on demand. Compared to the Westinghouse 14500, it offers similar wattage but at a more portable size, though it’s bulkier and heavier, which could be a challenge during transport. Its electric start and Switch & Go technology simplify operation, especially when switching fuels, but the high fuel consumption at maximum load can be a drawback for extended use. This model is ideal for users who prioritize power and fuel flexibility but are prepared for its weight and possibly higher fuel costs.
Pros:- Powerful 12,000W peak output suitable for large appliances
- Dual fuel capability offers flexibility with gasoline and propane
- Electric start with Switch & Go technology for easy fuel switching
Cons:- Heavy and bulky, making transport difficult
- High fuel consumption at maximum load
- Lacks specified noise level, which could be a concern in noise-sensitive environments
Best for: Homeowners needing a powerful, dual fuel generator for emergency backup or outdoor events who can handle its weight.
Not ideal for: Users seeking lightweight, easy-to-move units for frequent outdoor activities or camping.
- Wattage:12000 watts
- Fuel Type:Gasoline, Propane
- Power Source:Fuel Powered
- Voltage:120/240 volts
- Engine Displacement:457 cc
- Runtime:12 hours
Our verdict“This generator is best suited for users who need serious power and fuel flexibility at the expense of portability.”
Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator – 9500 Rated Watts & 12000 Peak Watts – Gas & LPG – Electric Start – Transfer Switch & RV Ready – CARB Compliant
The Pulsar G12KBN offers a high peak wattage of 12,000 but maintains a solid 9,500 rated watts, making it well-suited for heavy-duty use, such as RVing or home backup. Compared to the PG12000B, it features a larger 8-gallon tank, extending runtime up to 12 hours, which benefits users with prolonged power needs. Its portability is enhanced by drop-down handles and durable wheels, but its weight remains substantial, and regular maintenance is required to keep it running smoothly. This generator is better suited to those who prioritize extended runtime and durability over ease of transport.
Pros:- High wattage peak of 12,000W with 9,500 rated watts
- Long runtime of up to 12 hours on a full tank
- Includes RV-ready outlets and transfer switch compatibility
Cons:- Heavy weight impacts portability
- Requires regular maintenance for peak performance
- Noise level not specified, potential concern for noise-sensitive areas
Best for: RV owners or homeowners needing a durable, high-capacity generator for long-term backup or outdoor work.
Not ideal for: Individuals who need a lightweight, portable unit for quick setups or frequent transport.
- Wattage:12000 watts
- Fuel Type:Gasoline, LPG
- Power Source:Fuel Powered
- Tank Volume:8 gallons
- Engine Displacement:457 cc
- Runtime:12 hours
Our verdict“This generator excels for heavy-duty, long-duration applications where portability is less critical.”
Westinghouse 14500 Peak Watt Dual Fuel Home Backup Portable Generator with Remote Electric Start
The Westinghouse 14500 provides the highest peak wattage among these options, making it ideal for large homes or demanding job sites. Its 14,500 peak watts and 11,500 rated watts on gasoline are impressive, but the weight isn’t specified, which could make mobility challenging. Its remote electric start adds convenience, especially for users who want quick power access. Compared with the other models, it offers more power but may be overkill for smaller households or outdoor use. The long runtime of up to 19 hours makes it suitable for extended outages, but higher cost and potential complexity of setup could be barriers for some buyers.
Pros:- Highest peak wattage of 14,500W for demanding appliances
- Long runtime up to 19 hours, ideal for extended outages
- Remote electric start for convenience
Cons:- Likely heavy, transport may be difficult without assistance
- Complex setup may require technical knowledge
- Price not specified, potential cost barrier
Best for: Large households or professionals needing maximum power and remote operation capabilities.
Not ideal for: Those seeking lightweight, portable units for camping or frequent outdoor trips.
- Peak Wattage:14,500 watts
- Running Wattage:11,500 watts
- Fuel Capacity:9.5 gallons
- Runtime:Up to 19 hours
- Start Type:Electric with remote key fob
- Fuel Type:Gasoline, Propane
Our verdict“Best suited for users who require maximum power and remote operation for large or critical loads.”
Westinghouse 12000 Peak Watt Dual Fuel Portable Inverter Generator with Remote Electric Start and Transfer Switch Ready
The Westinghouse iGen12000DFc balances power with quiet operation, offering 12,000 peak watts and 9,000 running watts on gasoline, or slightly less on propane. Its inverter design means it’s notably quieter than traditional open-frame models, making it suitable for noise-sensitive environments. The digital data center and remote start add convenience, and its transfer switch readiness makes it a practical choice for home backup. Compared to heavier, non-inverter options like the PG12000B, this unit provides cleaner power for sensitive electronics but comes at a higher price point. Its size and weight may be less portable, so it’s best for stationary backup use.
Pros:- Quiet operation with eco mode and mufflers
- Remote electric start and digital data display
- Transfer switch ready for seamless home backup
Cons:- Relatively large and heavy, less portable
- Higher cost compared to non-inverter models
- Requires maintenance for optimal performance
Best for: Homeowners wanting quiet operation and clean power for electronics during outages.
Not ideal for: Users needing a lightweight, portable generator for frequent outdoor activities or camping.
- Peak Wattage:12,000W
- Running Wattage:9,000W
- Fuel Tank Capacity:7.9 gallons
- Runtime:Up to 19 hours
- Noise Level:64 dBA
- Features:Remote start, transfer switch, digital display
Our verdict“Ideal for quiet, clean power needs at home, especially for sensitive electronics, with less emphasis on portability.”
GENMAX Dual Fuel Portable Generator GM12000ED Gas or Propane Powered Electric Start
The GENMAX GM12000ED combines high wattage with features tailored for cold weather start-up, including cold start technology, making it suitable for early winter or high-altitude use. With 12,000 watts peak and 9,000 running watts, it provides ample power for residential, camping, or light commercial needs. Its 10.5-gallon tank offers up to 14.5 hours of runtime, and multiple outlets ensure compatibility with various devices. Compared with the Pulsar models, it emphasizes cold weather performance, but its weight and size remain significant, which could hinder portability. This generator is best suited for users who need reliable power during cold seasons and in remote locations.
Pros:- Powerful 12,000-watt dual fuel capability
- Cold start technology for reliable operation in cold weather
- Long runtime of up to 14.5 hours on a full tank
Cons:- Heavy and bulky, requiring assistance for transport
- Higher price point due to specialized features
- Some noise during operation, depending on load
Best for: Campers, homeowners, or contractors operating in cold weather or high-altitude environments.
Not ideal for: Users seeking lightweight, easily portable units for frequent outdoor trips or quick setup.
- Wattage:12000 watts
- Fuel Type:Gasoline, Propane
- Engine Displacement:458 cc
- Tank Volume:10.5 gallons
- Runtime:14.5 hours
- Start Technology:Cold start
Our verdict“Perfect for cold weather conditions where reliable start and long runtime are priorities, despite portability tradeoffs.”
DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator with Electric Start
The DuroMax XP12000EH stands out as the best overall choice for those needing reliable power during outages. Its 12,000 starting watts and 9,500 running watts can handle most home essentials, especially when compared to the slightly lower output of the Westinghouse 12500, making it suitable for whole-house backup. The dual fuel feature extends run times and offers flexibility, while its all-metal, weather-resistant frame ensures durability. However, its weight and bulkiness mean it’s not ideal for frequent transport or quick setups. The absence of noise level details could be a concern for residential use. This generator makes the most sense for homeowners prioritizing power and durability over portability.
Pros:- High power output suitable for whole-home backup
- Dual fuel capability for extended run time and fuel flexibility
- Weather-resistant all-metal construction enhances durability
Cons:- Heavy and bulky, difficult to move quickly
- Lack of noise level information may be problematic for residential areas
Best for: Homeowners needing dependable backup power with extended run capacity during storms or outages
Not ideal for: Individuals requiring a lightweight, portable unit for outdoor events or frequent transport
- Wattage:12000 watts
- Fuel Type:Dual Fuel (Gas & Propane)
- Power Source:Gas
- Recommended Uses:Residential
- Voltage:240V
- Weight:Heavy (not specified but significant)
Our verdict“This model is ideal for homeowners who prioritize power and durability over portability.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Electric Start
The DuroStar DS13000MX offers a robust 13,000-watt peak and 10,500-watt running power, making it ideal for demanding applications like large home backups or job sites. Its electric start, CO safety alert, and all-metal construction provide reliability during critical moments, especially when compared to the slightly lower wattage of the Westinghouse 13500. Its large fuel tank and heavy-duty frame support extended operation, but this comes with increased weight, making transportation less convenient. The lack of noise level data is a drawback for noise-sensitive environments. This generator is best suited for users who need maximum power and durability, even at the expense of portability.
Pros:- Exceptional 13,000-watt surge capacity for heavy loads
- Dual fuel flexibility for gasoline or propane
- Built with durable all-metal components for longevity
Cons:- Heavy and difficult to transport
- Fuel tank size may require frequent refilling during extended use
Best for: Construction professionals or homeowners with large energy demands during outages
Not ideal for: Users who prioritize portability or need a lightweight, easy-to-move unit
- Wattage:13,000 watts
- Fuel Type:Gasoline and Propane
- Power Source:Fuel Powered
- Voltage:240 volts
- Tank Volume:8.3 gallons
- Additional Features:CO Sensor, Low Oil Shutdown
Our verdict“This generator is best for those needing maximum power capacity in a rugged, stationary setup.”
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator with Electric Start
The DuroMax XP13000EH combines impressive 13,000 surge watts with portability, thanks to its heavy-duty all-metal frame and dual fuel capability. Its 10,500-watt running power rivals larger stationary models like the Westinghouse 14500, but with the added benefit of mobility due to built-in no-flat tires. Its multiple outlets, transfer switch-ready design, and electric start make it versatile for storm emergencies or construction work. Still, its weight makes it less ideal for frequent moving, and noise levels aren’t specified, which could be a concern for residential use. This pick is perfect for users who need high power in a portable form factor for demanding environments.
Pros:- High surge and running wattage suitable for large loads
- Portable with no-flat tires for easier movement
- Dual fuel flexibility for extended operation
Cons:- Heavy and potentially cumbersome to transport
- Price and noise level details are not specified
Best for: Contractors, outdoor event organizers, or homeowners needing portable, high-capacity power
Not ideal for: People looking for a lightweight, easy-to-store generator for infrequent use
- Wattage:13,000 surge / 10,500 running
- Fuel Type:Gasoline and Propane
- Engine:500cc OHV
- Outlets:2 120V GFCI, 50A transfer switch
- Frame:Heavy-duty all-metal with no-flat tires
Our verdict“This generator suits those needing mobility combined with heavy-duty power output.”
Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator with Remote Electric Start
The Westinghouse 13500 Peak Watt is a strong contender for long-duration backup power, offering up to 19 hours of runtime on gasoline, which surpasses most competitors like the Westinghouse 12500. Its remote electric start, safety features, and large fuel tank make it convenient for home use during extended outages. The 13,500 peak wattage can handle most household essentials, but its size and weight might limit mobility. The lack of noise level info is a potential concern, especially for residential settings. This generator fits best for users who value long runtime and remote operation capabilities over portability.
Pros:- Extended runtime of up to 19 hours on a full tank
- Remote electric start for convenience
- Multiple safety features including low oil and CO detection
Cons:- Heavy and bulky, difficult to move frequently
- Setup complexity for first-time users
Best for: Homeowners seeking prolonged backup power with remote start features
Not ideal for: Those who need a lightweight or easily portable power solution
- Peak Watts:13500
- Running Watts:10500
- Fuel Tank Capacity:9.5 gallons
- Run Time:up to 19 hours
- Features:Remote start, CO detection, low oil shutdown
Our verdict“This generator is ideal for long-term backup power needs where mobility is less critical.”
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
The Westinghouse WGen9500DF provides a solid 12,500 peak and 9,500 running watts, making it suitable for home backup and outdoor projects. Its remote electric start simplifies operation, especially compared to manual models like the Pulsar PG12000B. The 6.6-gallon tank limits runtime somewhat but keeps the unit manageable in size. It offers multiple outlets, including transfer switch readiness, but its weight and size still pose challenges for frequent transportation. Noise levels aren’t listed, which could matter for residential use. Overall, this generator strikes a balance between power, portability, and feature set, making it a good choice for those who need reliable power without excessive bulk.
Pros:- Remote electric start adds convenience
- Versatile outlets including transfer switch compatibility
- Relatively manageable size compared to larger models
Cons:- Limited runtime due to smaller fuel tank
- Heavier than inverter-style generators, less portable
Best for: Homeowners or outdoor enthusiasts needing reliable, versatile power with remote start
Not ideal for: People requiring maximum wattage or extended runtimes for large loads
- Peak Watts:12500
- Running Watts:9500
- Fuel Tank Capacity:6.6 gallons
- Run Time:Up to 12 hours
- Features:Remote start, transfer switch ready
Our verdict“This generator is well-suited for users who want reliable power with remote operation in a portable form.”
Westinghouse 12500 Peak Watt Dual Fuel Portable Generator with Remote Start and CO Sensor
This generator stands out for its impressive peak wattage of 12,500, making it suitable for powering larger appliances or multiple tools simultaneously, especially when compared to the Westinghouse 12000 Watt model which offers slightly lower peak watts but is lighter and more compact. Its remote electric start adds convenience, reducing effort during power outages or jobsite setups, while the integrated CO sensor provides enhanced safety—an upgrade over basic models. However, the 6.6-gallon tank and 12-hour runtime are standard for its class, and its weight may challenge portability for some users. Residual odors from factory testing can be a minor annoyance, and its weight could make moving it cumbersome without assistance. Still, for those needing high wattage capacity combined with safety features and remote operation, this model delivers a solid mix of power and convenience.Pros:- High peak wattage of 12,500 for demanding power needs
- Remote electric start for quick, effortless operation
- Integrated CO sensor enhances safety during operation
- Multiple outlets including L14-30 and 14-50 for versatile connections
Cons:- Heavy and potentially difficult to transport without help
- May emit residual fuel or oil odors from factory testing
- Requires some assembly and setup before use
Best for: Homeowners needing reliable backup power with safety features and remote start, especially those with larger appliances or multiple devices.
Not ideal for: Individuals seeking a lightweight, portable generator for frequent outdoor or camping use, due to its weight and size.
- Peak Watts:12500
- Running Watts:9500 (Gasoline), 8500 (Propane)
- Fuel Tank Capacity:6.6 gallons
- Run Time:Up to 12 hours
- Engine:457cc Westinghouse 4-Stroke OHV
- Outlets:GFCI 120V 5–20R, 120V L14-30R, 120/240V 14–50R
- CO Sensor:Yes
- Warranty:3 years
Our verdict“This model is best suited for homeowners or contractors who prioritize high power output combined with safety features and remote convenience, accepting its weight as a tradeoff.”

How We Picked
I evaluated these generators based on performance, build quality, ease of use, safety features, and value for money. Power output and runtime were critical, but so was portability for outdoor use and ease of maintenance. I prioritized models with reliable starting features, safety sensors, and good user feedback. The ranking reflects a balance between high wattage capacity, versatility, and overall reliability, with the best overall pick excelling across these criteria while others target specific needs like affordability or maximum power.| dual fuel generator 12000 watt | Fuel Type |
|---|---|
| Pulsar 12,000W Dual Fuel Porta | Gasoline, Propane |
| Pulsar G12KBN Heavy Duty Porta | Gasoline, LPG |
| Westinghouse 14500 Peak Watt D | Gasoline, Propane |
| Westinghouse 12000 Peak Watt D | — |
| GENMAX Dual Fuel Portable Gene | Gasoline, Propane |
| DuroMax XP12000EH 12,000-Watt | Dual Fuel (Gas & Propane) |
| DuroStar DS13000MX 13,000-Watt | Gasoline and Propane |
| DuroMax XP13000EH 13,000-Watt | Gasoline and Propane |
| Westinghouse 13500 Peak Watt D | — |
| Westinghouse 12500 Watt Dual F | — |
| Westinghouse 12500 Peak Watt D | — |
Factors to Consider When Choosing Dual Fuel Generator 12000 Watt
Choosing the right dual fuel generator 12000 watt involves several key considerations beyond just raw power. It’s essential to think about how you’ll use the generator—whether for home backup, RV trips, or job sites—and match features accordingly. Size and portability matter if you’ll move it frequently. Fuel efficiency, runtime, and safety features can significantly affect long-term satisfaction. Understanding these broader factors can help avoid common pitfalls like overpaying for unnecessary features or selecting a model that doesn’t meet your power needs.Power Output and Runtime
While 12000 watts is a standard benchmark, understanding peak versus rated wattage helps ensure your generator can handle your specific appliances or tools. Runtime on a full tank impacts how long your power source lasts during outages or outdoor events. Look for models with longer run times at a reasonable load to reduce refueling interruptions. Keep in mind that higher wattage models often consume more fuel, so consider your typical power needs carefully to avoid overspending on surplus capacity.
Ease of Use and Features
Features like electric start, remote operation, and switch & go technology improve convenience, especially in emergency scenarios. Transfer switch compatibility simplifies connecting to your home’s electrical system, making backup power safer and more straightforward. However, more features often mean higher costs and potential maintenance concerns. Prioritize what truly benefits your use case—if you need quiet operation or portability, look for models with noise reduction and manageable weight.
Size, Portability, and Weight
Size and weight affect how easily the generator can be moved or stored. Larger, more powerful units tend to be less portable but provide more power and longer runtimes. If you need a generator for frequent outdoor use or job sites, opt for a compact, lightweight model with sturdy handles or wheels. For home backup, size might be less of an issue, but stability and noise levels can matter more.
Fuel Type and Efficiency
Dual fuel capability offers flexibility but also introduces complexity; some models handle propane and gasoline seamlessly, while others require manual switching. Propane burns cleaner and lasts longer but may be less accessible during emergencies. Gasoline is more common but can degrade over time. Consider your fuel storage options, costs, and the availability of each fuel type to choose a model that fits your routine.
Safety and Reliability Features
Safety sensors, low-oil shutdown, and CO sensors help prevent accidents and damage, especially during extended use. A generator’s build quality and brand reputation also influence reliability. Investing in a model with these features can prevent costly repairs or dangerous situations, making safety a worthwhile priority, particularly if the generator is intended for home use or critical appliances.
Frequently Asked Questions
Can I run my entire home on a 12000 watt generator?
Running an entire home depends on your total power needs. Most homes require more than 12000 watts, especially when including appliances like AC units, refrigerators, and water heaters. This generator can handle essential circuits or smaller homes, but for full-home backup, a higher capacity or multiple units might be necessary. Always calculate your total wattage before choosing a generator to avoid overloads and ensure you can power the critical devices you rely on.
Is dual fuel operation safe and reliable?
Dual fuel generators are generally safe and reliable when used as directed. They offer flexibility, especially during emergencies when one fuel source might be unavailable. However, switching fuels or improper storage can pose risks, so always follow manufacturer instructions. Regular maintenance and proper fuel storage extend the lifespan and safety of these units, making them a dependable choice for versatile power needs.
How loud are these 12000 watt generators?
Noise levels vary widely among models, with most dual fuel generators in this wattage range producing between 70 and 80 decibels. Quieter units often incorporate noise-reduction technology and are better suited for camping or residential use. If noise is a concern, look for models with sound-dampening features or consider options with lower decibel ratings, but be prepared for a potential increase in cost.
What maintenance is required for dual fuel generators?
Regular maintenance includes checking and changing oil, inspecting spark plugs, and cleaning air filters. It’s also important to drain or treat fuel to prevent degradation, especially if the generator isn’t used often. Fuel system checks and testing startup periodically ensure reliability when needed. Proper storage and following manufacturer guidelines improve longevity and safety, making maintenance a key part of your ownership experience.
Are inverter models better than traditional generators for 12000 watt capacity?
Inverter generators in this capacity tend to be more expensive but offer cleaner power, quieter operation, and better fuel efficiency. They are ideal for sensitive electronics and outdoor activities where noise matters. Traditional models might be more affordable and provide higher surge capacity but are usually louder and less efficient. Your choice depends on whether you prioritize quiet operation and power quality or maximum raw power at a lower cost.
Conclusion
The best overall choice for most users is the Pulsar PG12000B thanks to its balanced features and reliable performance. For those prioritizing maximum power, the Westinghouse 14500 Peak Watt Generator offers extra wattage for demanding applications. Budget-conscious buyers will find the DuroMax XP12000EH provides solid performance at a more affordable price. Beginners should focus on models with electric start and safety features for ease of use, while professionals or RV owners may prefer models with remote start and transfer switch compatibility. Match your choice to your specific power needs and usage scenarios for the best results.
Columbus Day / Indigenous Peoples' Day Picks
long weekend sales
As an affiliate, we earn on qualifying purchases.













