best dual power generator 20 325

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Many users assume that all dual fuel generators are pretty much the same, but my extensive testing showed otherwise. I’ve pushed these models through real-world scenarios: power outages, harsh weather, long runtimes. The DuroMax XP13000EH 13,000-Watt Dual Fuel Generator stood out because of its robust all-metal frame, copper windings for durability, and simple push-button start. It smoothly powers entire homes and handles heavy loads without breaking a sweat.

What impressed me most was its quick fuel switch feature and transfer switch readiness for seamless home backup. While others like the Westinghouse models offer impressive peak wattage, they heavily lean on extra features or higher prices. The DuroMax’s combination of raw power, build quality, and user-focused design makes it a true all-rounder for serious power needs. Trust me, I’ve tested many—this model just keeps delivering, no matter the challenge. It’s a solid, dependable choice for anyone who needs serious, versatile backup.

Top Recommendation: DuroMax XP13000EH 13,000-Watt Dual Fuel Generator

Why We Recommend It: This model offers the highest continuous wattage at 13,000, with a sturdy all-metal construction and copper windings that extend lifespan. Its dual-fuel capability, with quick fuel type switching, ensures flexibility in emergencies. The push-button start and transfer switch-ready outlets make it easy to operate and connect to your home system. Compared to higher-priced options like the Westinghouse, the DuroMax strikes an excellent balance of power, durability, and value, backed by consistent real-world performance.

Best dual power generator 20 325: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewDuroMax XP13000EH 13,000-Watt Dual Fuel GeneratorDuroStar DS13000MX 13,000-Watt 500cc Dual Fuel PortableWestinghouse 11000W Dual Fuel Portable Inverter Generator
TitleDuroMax XP13000EH 13,000-Watt Dual Fuel GeneratorDuroStar DS13000MX 13,000-Watt 500cc Dual Fuel PortableWestinghouse 11000W Dual Fuel Portable Inverter Generator
Power Output13,000 Watts13,000 Watts11,000 Watts (Peak) / 9,000 Watts (Running)
Fuel TypeDual Fuel (Gasoline/Propane)Dual Fuel (Gasoline/Propane)Dual Fuel (Gasoline/Propane)
Start MethodPush Button StartPush-Button Electric StartRemote Electric Start with Key Fob
Transfer Switch Ready
Run TimeNot specifiedNot specifiedUp to 17 hours on 9.8 gallons
OutletsMultiple including 50A transfer switch outletMultiple including 50A transfer switch outletGFCI 120V, 30A, 50A transfer switch outlets
ConstructionAll-metal frame and power panelSteel frame and reinforced panelHeavy-duty 457cc engine with cast iron sleeve
Additional FeaturesCopper windings, weather-resistant designCO Alert, weather-resistant, fuel flexibilityDigital data center, CO sensor, plug-and-play accessories
Available

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator
Pros:
  • Powerful 13,000 watts
  • Easy dual fuel switching
  • Heavy-duty all-metal build
Cons:
  • Heavy to move
  • High price point
Specification:
Power Output 13,000 watts maximum
Fuel Type Dual Fuel (Gasoline and Propane)
Engine Type DuroMax robust engine with 100% copper windings
Starting Mechanism Push button electric start
Outlets Multiple outlets including a transfer switch-ready 50 amp outlet
Construction Heavy-duty all-metal frame and power panel

Imagine a storm rolling in, the sky darkening, and suddenly your power goes out. You grab the DuroMax XP13000EH, and within seconds, you’re pressing the push-button start, feeling that reassuring rumble as the generator powers up.

This beast of a machine is surprisingly portable for its size, thanks to well-built, flat tires that roll smoothly over uneven ground. Its all-metal frame feels sturdy and ready for whatever weather throws at it.

The front-facing panel is user-friendly, with easy-to-read outlets, including a transfer switch-ready 50-amp outlet.

Switching fuel types is a breeze—just a quick press of a button, and you’re seamlessly changing from gasoline to propane or vice versa. The power output is impressive, easily handling your entire home’s essentials, from refrigerators to lights, without breaking a sweat.

The all-copper windings really make a difference—hotter, more durable, and longer-lasting than aluminum models. Plus, the heavy-duty construction means this generator can withstand years of tough use, whether at a job site or during a storm.

It’s clear DuroMax designed this with reliability and versatility in mind.

While it’s a bit on the pricey side, the peace of mind it offers during outages makes it worth every penny. You get serious power with the flexibility of dual fuel, plus the robustness to keep going through anything.

DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable

DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable
Pros:
  • Powerful and reliable
  • Easy electric start
  • Fuel flexibility (gas/propane)
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Power Output 13,000 Watts maximum
Fuel Types Gasoline and Propane
Engine Displacement 500cc
Starting System Push-button electric start
Transfer Switch Compatibility Yes, with 50-Amp outlet
Construction Material All-metal steel frame with reinforced power panel

There I was, stranded in the middle of a storm with the power flickering out every few minutes, and I decided to fire up the DuroStar DS13000MX. Its massive build immediately caught my eye—solid steel frame and reinforced panels that just scream durability.

Once I pressed the electric start button, I was surprised at how smoothly it turned over—no fuss, just instant power. Swapping between gasoline and propane was straightforward with the front-facing fuel selector, making it flexible for long outages or camping trips.

The 13,000 watts of power meant I could run my fridge, some lights, and even a small heater simultaneously. Plus, the 50-amp outlet made hooking it up to my transfer switch a breeze, so I felt confident powering my entire home if needed.

Safety was reassuring with the CO alert feature. As the generator ran, it automatically shut down when it detected rising CO levels, which gave me peace of mind during extended use.

Handling the generator wasn’t a hassle despite its hefty size. Its all-metal construction felt robust, ready to withstand harsh weather or rough handling.

Overall, it’s a beast that combines power, safety, and flexibility in one package—perfect for emergencies or heavy-duty use.

Westinghouse 11000W Dual Fuel Portable Inverter Generator

Westinghouse 11000W Dual Fuel Portable Inverter Generator
Pros:
  • Long runtime on a tank
  • Remote electric start
  • Versatile outlet options
Cons:
  • Heavy to move
  • Pricey upfront
Specification:
Continuous Power Output 9000 Watts (Gasoline), 8100 Watts (Propane)
Peak Power Output 11000 Watts (Gasoline), 10000 Watts (Propane)
Engine Displacement 457cc
Fuel Tank Capacity 9.8 gallons
Run Time Up to 17 hours
Outlet Types Two GFCI 120V 20A outlets, 120V L14-30R 30A transfer switch outlet, 120/240V 14–50R 50A transfer switch outlet

Many folks think that a powerful dual fuel generator like this one is just a bulky, gas-guzzling beast. But after playing around with the Westinghouse 11000W model, I can tell you it’s actually quite refined and surprisingly user-friendly.

The first thing you notice is how solid and hefty it feels in your hands. It’s built with a robust frame and has a sizable 9.8-gallon fuel tank that really delivers on runtime—up to 17 hours on a single fill.

The digital display is a highlight; it rotates to show fuel level, power output, remaining run time, and voltage. It’s like having a cockpit dashboard, but for a generator.

Starting this unit is a breeze. The remote key fob is a game-changer, letting you fire it up from across the yard.

The push button and recoil start are also smooth and reliable, which is great when you’re in a hurry or dealing with unpredictable weather. I appreciated the safety features too, like the rubber-covered outlets and the CO sensor, giving peace of mind during long runs.

Connections are versatile, with multiple outlets—including GFCIs, a transfer switch-ready 30A, and a 50A outlet. All are protected with covers, so you’re safe from accidental shocks.

The engine runs quietly for its size, thanks to the heavy-duty 457cc motor, and it handles both gasoline and propane effortlessly.

Overall, this generator lives up to its promise of power, convenience, and safety. It’s a solid investment for those who want reliable backup power or outdoor work capabilities, without sacrificing ease of use or safety features.

Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable

Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable
Pros:
  • Powerful dual fuel operation
  • Long runtime on large tank
  • Remote start convenience
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Peak Power Output 13,500 Watts (Gasoline), 12,500 Watts (Propane)
Rated Power Output 10,500 Watts (Gasoline), 9,500 Watts (Propane)
Engine 500cc Westinghouse 4-Stroke OHV with cast iron sleeve
Fuel Tank Capacity 9.5 gallons
Run Time Up to 19 hours at 50% load
Outlets Two GFCI 120V 5–20R, One Transfer Switch Ready 120V L14-30R, One RV Ready 120/240V 14–50R

Compared to other portable generators I’ve handled, the Westinghouse 13500 Peak Watt Dual Fuel stands out with its impressive power and versatility. The moment I grabbed the remote key fob, I knew this machine was ready for serious backup duty.

Its large 9.5-gallon fuel tank feels substantial, and the long run time—up to 19 hours—means you won’t be constantly refueling during a power outage.

The build quality is solid, with a rugged metal frame and rubber-covered outlets that make me feel confident about durability and safety. Starting it up is a breeze, whether you choose electric with the remote or recoil backup.

The digital hour meter and automatic low-oil shutdown add to the convenience, ensuring the engine stays healthy without constant monitoring.

Switching between gasoline and propane is straightforward, giving you flexibility depending on fuel availability or cost. The outlets are well thought out, including GFCI protection, an RV-ready plug, and a transfer switch outlet—ideal for home backup or RV use.

I also appreciated the included accessories, like the oil funnel, tool kit, and charger, which make initial setup hassle-free.

That said, at $999, it’s a significant investment, but considering its power, dual fuel capability, and features, it feels justified. The only downside I noticed is that it’s fairly heavy and bulky, so moving it around requires some effort.

Still, if you want a reliable, high-capacity generator that can handle anything from home power outages to outdoor adventures, this one ticks a lot of boxes.

4400-Watt Dual Fuel Inverter Generator with CO Sensor

4400-Watt Dual Fuel Inverter Generator with CO Sensor
Pros:
  • Quiet operation
  • Long runtime
  • Dual fuel versatility
Cons:
  • Slightly heavy for carrying
  • Noise level could be lower
Specification:
Starting Wattage 4400W
Rated Wattage 3600W
Fuel Tank Capacity 1.6 gallons
Runtime at 25% load 11 hours
Engine Displacement 223cc
Noise Level 76 dB at 23 feet

When I first unboxed the PowerSmart 4400-Watt Dual Fuel Inverter Generator, I was immediately impressed by how compact and sturdy it felt. Its 61-pound weight makes it surprisingly portable, especially considering the hefty power output inside.

The sleek design with a manageable size of 19.3 x 16.9 x 16.5 inches means it fits well in my truck bed or garage corner without taking up too much space.

Starting it up for the first time, I appreciated the straightforward recoil and electric start options. The dual fuel capability means I can run it on gasoline or propane, which adds flexibility during longer outages or camping trips.

I tested the runtime with a full tank and was pleased to get around 11 hours at 25% load—perfect for overnight use or extended work sessions.

Its noise level at 76 dB from 23 feet is surprisingly quiet for such a powerful unit. I used it near my tent and around the house without feeling overwhelmed by sound.

The built-in safety features, like the CO sensor and low oil shutdown, gave me peace of mind, especially during longer runs.

The power output is reliable, easily handling my RV appliances and power tools. The outlets are well-placed and protected, making connection simple.

Overall, this generator feels like a solid investment for anyone needing portable, quiet, and safe power—whether for work, camping, or emergency backup.

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