By Preston GrantUpdated November 2026
Shoppers looking at a pulsar 12000 w dual fuel portable generator usually want one thing above all: enough power for home backup, tools or an RV without running a machine that sounds like a lawnmower next door. This list compares seven Pulsar and DuroMax models built around that 12,000-watt class. The selection criteria were specifications, brand reputation for dual fuel engines, and recurring owner feedback about starting, noise, fuel handling and transfer switch compatibility.
Our top picks at a glance
- 1
TOP CHOICEBest overallPulsar G12KBN Heavy Duty Portable Dual Fuel Generator – 9500 Rated WatView on Amazon - 2
TOP CHOICEBest for whole-home transfer setupsDuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator – Gas & ProView on Amazon - 3
TOP CHOICEBest for maximum surge capacityDuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator – Gas & ProView on Amazon - 4
Best for quieter inverter operationPulsar GD10KBN 10500W Dual Fuel Home Backup Portable Inverter GeneratoView on Amazon - 5
Best for easy mobilityPulsar 12,000W Dual Fuel Portable Generator with Electric Start and SwView on Amazon - 6Best for RV and campsite usePulsar G12KBN-SG Heavy Duty Portable Dual Fuel Generator – 9500 RatedView on Amazon
- 7
Best budget pickDuroMax XP5500HX 5,500-Watt Dual Fuel Portable Generator – Gas & PropaView on Amazon
Our Top Picks
Quick Comparison
| Product | Best for | Key feature |
|---|---|---|
| Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator | Whole-home backup with a transfer switch | 9500 rated / 12000 peak watts, electric start, CARB compliant |
| Pulsar 12,000W Dual Fuel Portable Generator (PG12000B) | Buyers who want Switch & Go convenience | Electric start with Switch & Go fuel changeover |
| Pulsar G12KBN-SG Heavy Duty Portable Dual Fuel Generator | RV and campsite use | RV ready, electric start, gas and LPG |
| DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator | Heavy starting loads and large appliances | 13,000-watt class, transfer switch ready |
| Pulsar GD10KBN 10500W Dual Fuel Home Backup Portable Inverter Generator | Quieter home backup with clean power | Inverter design, wheel kit, RV ready |
| DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator | Whole-home backup on a tighter budget | 12,000-watt class, electric start, transfer switch ready |
| DuroMax XP5500HX 5,500-Watt Dual Fuel Portable Generator | Budget backup for essentials | Compact 5,500-watt output, electric start |
Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator – 9500 Rated Watts & 12000 Peak Watts – Gas & LPG – Electric Start – Transfer Switch & RV Ready – CARB Compliant
Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator – 9500 Rated Watts & 12000 Peak Watts – Gas & LPG – Electric Start – Transfer Switch & RV Ready – CARB Compliant
Best for: Whole-home backup with a transfer switch
This is the model most shoppers in the 12,000-watt dual fuel category start with. It suits homeowners who want to run a furnace blower, refrigerator, well pump and a few circuits during an outage, and who prefer switching between gasoline and propane without rewiring.
Key specs:
- 9,500 rated watts and 12,000 peak watts (per listing)
- Gas and LPG fuel capability
- Electric start
- Transfer switch ready
- CARB compliant
Pros:
- Dual fuel flexibility keeps the unit running when one fuel supply is limited
- Electric start is easier on the back than a recoil pull
- Transfer switch and RV readiness widen its use
Cons:
- A heavy frame makes it harder to move without a cart
- Owners often report that it is louder under full load than inverter models
Bottom line: A strong default choice for homeowners who need rated power for essential circuits and want fuel flexibility.
Pulsar 12,000W Dual Fuel Portable Generator with Electric Start and Switch & Go Technology, PG12000B
Pulsar 12,000W Dual Fuel Portable Generator with Electric Start and Switch & Go Technology, PG12000B
Best for: Buyers who want Switch & Go convenience
This listing emphasizes Switch & Go technology, which lets the operator change fuel type without the usual shutdown and carburetor adjustment. It fits users who expect to alternate between gasoline and propane regularly, such as during seasonal outages.
Key specs:
- 12,000-watt class dual fuel output
- Electric start
- Switch & Go fuel changeover
Pros:
- Fuel switching is the headline convenience feature
- Electric start simplifies cold-weather starts
- Familiar Pulsar build quality for the 12,000-watt class
Cons:
- Owners sometimes report that fuel switching still needs a warm-up period
- Output details should be confirmed against the current listing
Bottom line: Good for users who value quick fuel changeover over a dedicated transfer-ready layout.
Pulsar G12KBN-SG Heavy Duty Portable Dual Fuel Generator – 9500 Rated Watts & 12000 Peak Watts – Gas & LPG – Electric Start – Transfer Switch & RV Ready – CARB Compliant
Pulsar G12KBN-SG Heavy Duty Portable Dual Fuel Generator – 9500 Rated Watts & 12000 Peak Watts – Gas & LPG – Electric Start – Transfer Switch & RV Ready – CARB Compliant
Best for: RV and campsite use
This variant shares the G12KBN platform and is marketed with RV readiness. It suits campers and mobile workers who want 12,000-watt peak capacity and the ability to run on propane when gasoline is hard to find.
Key specs:
- 9,500 rated watts and 12,000 peak watts (per listing)
- Gas and LPG capability
- Electric start
- RV ready and transfer switch ready
Pros:
- Propane operation suits remote sites and RV propane tanks
- Electric start is practical for campsite use
- Shares the proven G12KBN platform
Cons:
- Heavy for a portable unit, so plan for a wheel kit or two-person lift
- Noise levels are typical for open-frame conventional generators, not inverters
Bottom line: A solid choice for RV owners who want rated power and propane flexibility.
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
Best for: Heavy starting loads and large appliances
The 13,000-watt rating gives extra headroom above the 12,000-watt class. It suits households with well pumps, central air or large motor loads that cause high starting surges.
Key specs:
- 13,000-watt class output (per listing)
- Gas and propane capability
- Electric start
- Transfer switch ready
Pros:
- Extra surge capacity for motor startup
- Whole-home backup positioning
- Electric start and dual fuel reduce operating friction
Cons:
- Larger footprint and weight than 12,000-watt rivals
- Louder than inverter alternatives under heavy loads
Bottom line: Best for users who expect large motor loads and want maximum headroom in this category.
Pulsar GD10KBN 10500W Dual Fuel Home Backup Portable Inverter Generator with Wheel Kit and Electric Start RV Ready
Pulsar GD10KBN 10500W Dual Fuel Home Backup Portable Inverter Generator with Wheel Kit and Electric Start RV Ready
Best for: Quieter home backup with clean power
As an inverter design, this model produces cleaner power for sensitive electronics and typically runs quieter than open-frame conventional units. It fits homeowners near neighbors or who run laptops, medical devices and modern appliances during outages.
Key specs:
- 10,500-watt rating (per listing)
- Dual fuel capability
- Electric start
- Wheel kit included
- RV ready
Pros:
- Inverter design generally means quieter operation and cleaner output
- Wheel kit improves portability
- Good match for electronics-heavy homes
Cons:
- Lower rated output than the 12,000-watt class models here
- Owners often report that inverter units cost more to maintain under sustained heavy loads
Bottom line: The best fit for buyers who prioritize noise and clean power over the highest raw wattage.
DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready
Best for: Whole-home backup on a tighter budget
This is a direct 12,000-watt dual fuel option with transfer switch readiness. It suits households that want whole-home capability and are comfortable with a conventional open-frame generator.
Key specs:
- 12,000-watt class output (per listing)
- Gas and propane capability
- Electric start
- Transfer switch ready
Pros:
- Full 12,000-watt class capacity for the price tier
- Electric start and dual fuel options
- Transfer switch readiness supports whole-home setups
Cons:
- Conventional design runs louder than inverter models
- Owners sometimes report that carburetor care is needed when switching fuels often
Bottom line: A practical pick for buyers who want 12,000-watt dual fuel capacity without premium pricing in mind.
DuroMax XP5500HX 5,500-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, RV & Emergency Ready
DuroMax XP5500HX 5,500-Watt Dual Fuel Portable Generator – Gas & Propane, Electric Start, RV & Emergency Ready
Best for: Budget backup for essentials
At 5,500 watts this is well below the 12,000-watt class, but it covers refrigerators, lights, a furnace fan and a few outlets. It suits users who need emergency essentials rather than whole-home power.
Key specs:
- 5,500-watt class output (per listing)
- Gas and propane capability
- Electric start
- RV and emergency ready
Pros:
- Lighter and more manageable than 12,000-watt units
- Electric start and dual fuel for convenience
- Good for essential circuits and camping
Cons:
- Insufficient for whole-home backup or large motor loads
- Conventional design, so noise remains noticeable
Bottom line: Choose this if essential circuits are enough and you want a smaller footprint.
Buying Guide
Rated Watts Versus Peak (Surge) Watts
Manufacturers commonly list rated (continuous) watts and peak (surge) watts. Add up the running watts of everything you plan to power, then add the highest starting surge of your largest motor. Compare that total against rated watts, not peak, for sustained operation.
Good picks for this: Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator, DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator
Inverter Versus Conventional Design
Inverter generators adjust engine speed to demand, which typically reduces noise and gives cleaner power for electronics. Conventional open-frame generators run at a fixed speed, which usually means more noise but often lower cost per watt.
Good picks for this: Pulsar GD10KBN 10500W Dual Fuel Home Backup Portable Inverter Generator, DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator
Fuel Flexibility and Switching
Gasoline stores poorly over long periods, while propane stores well and burns cleaner. Check whether the model switches fuels by valve, by changeover system, or by manual carburetor adjustment, and how long each switch takes.
Good picks for this: Pulsar 12,000W Dual Fuel Portable Generator with Electric Start and Switch & Go Technology, Pulsar G12KBN-SG Heavy Duty Portable Dual Fuel Generator
Electric Start and Starting Convenience
Electric start reduces the strength needed to start the engine, which matters in cold weather or for users with limited upper-body strength. Confirm the battery is included and check its charging requirements.
Good picks for this: DuroMax XP5500HX 5,500-Watt Dual Fuel Portable Generator, Pulsar G12KBN-SG Heavy Duty Portable Dual Fuel Generator
Transfer Switch Compatibility
A transfer switch lets you feed the generator into your home’s circuits safely, isolating it from the utility grid. Never backfeed through a standard outlet. Hire a licensed electrician to install a transfer switch rated for your generator and panel.
Good picks for this: DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator, DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator
Weight, Portability and Wheel Kits
Units in the 12,000-watt class often weigh well over 100 pounds. Confirm whether a wheel kit is included or sold separately, and check whether the frame allows safe lifting. Plan for a ramp or hitch if the unit must move into a truck or trailer.
Good picks for this: Pulsar GD10KBN 10500W Dual Fuel Home Backup Portable Inverter Generator, Pulsar 12,000W Dual Fuel Portable Generator with Electric Start and Switch & Go Technology
Maintenance and Durability
Dual fuel engines need regular oil changes, air filter care and carburetor attention, especially after switching fuels. Owners often report that running stabilized fuel and draining the carburetor before storage prevents most starting problems. Consult the owner’s manual for intervals specific to your model.
Good picks for this: Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator, DuroMax XP12000EH 12,000-Watt Dual Fuel Portable Generator
FAQ
What can a 12,000-watt dual fuel generator run during an outage?
Rated output depends on the model, but a 12,000-watt class unit can usually power a refrigerator, furnace blower, well pump, lights and several outlets. Whole-home backup typically requires a transfer switch and a load calculation.
Is propane or gasoline better for a dual fuel generator?
Propane stores indefinitely and burns cleaner, which suits standby use. Gasoline delivers slightly more power in some engines and is easier to find in an emergency. Many owners keep both on hand.
Why is my dual fuel generator hard to start after switching fuels?
Fuel switching can leave residue in the carburetor or require a warm-up period. Consult the owner’s manual for the correct procedure and consider a professional service if starting problems persist.
Can I plug a generator directly into a household outlet?
No. Backfeeding through a standard outlet can energize utility lines and injure line workers. Use a properly installed transfer switch or power equipment directly with extension cords rated for the load.
Do inverter generators run quieter than conventional ones?
Inverter designs usually run quieter because the engine speed adjusts to load. Actual decibel levels depend on the model, load and distance, so compare manufacturer noise specifications at a stated distance.
How long can a dual fuel generator run continuously?
Run time depends on fuel type, tank size and load. Manufacturers publish run-time estimates at specific loads, and owners often report shorter times under heavy use. Refuel only after the engine has cooled.
Conclusion
For most homeowners wanting whole-home or essential backup, the Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator is a balanced starting point, while the Pulsar GD10KBN suits buyers who prioritize quieter inverter operation. Choose the Pulsar 12,000W with Switch & Go if fuel changeover speed matters most, the G12KBN-SG for RV and campsite use, and the DuroMax XP13000HX if large motor loads drive your decision. The DuroMax XP12000EH and XP5500HX cover budget-minded whole-home and essential-only needs respectively. Verify all specifications on the current listing before purchase.
Sources
- Guidance on portable generator safety, fuel storage and the risks of backfeeding (energy.gov)
- Carbon monoxide hazard warnings and safe placement rules for portable generators (cpsc.gov)
- Standards and codes related to standby and emergency power installations (nfpa.org)
Related reading
- Pulsar Generator Dual Fuel: Step-by-Step Setup and Quieter Running Guide
- 9 Best Portable Generator Dual Fuel Models for Quieter Power (2026)
- 5 Best Portable Dual Fuel Inverter Generators for Home Backup and Camping (2026)
- 5 Best Dual Fuel Portable Generators with Electric Start for Home Backup (2026)
- Why Does My Dual Fuel Generator Carb Keep Clogging? Causes and Fixes
- Westinghouse Dual Fuel Generator: Setup, Quieting and Fuel Tips (2026)
About Preston Grant
Preston focuses on practical advice for generators & noise: what matters before you buy, what to skip, and how to get more out of what you already own.
