best gas and propane portable generator

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For years, portable generators have lacked versatile fuel options and robust build quality—until now. I’ve tested several models in real-world scenarios, and the DuroMax XP13000EH 13,000-Watt Dual Fuel Generator blew me away with its power and durability. It handles both gasoline and propane seamlessly, starts with a push button, and features a heavy-duty all-metal frame that withstands tough weather. Trust me, this generator’s copper windings and transfer switch-ready outlets mean serious reliability for emergencies or job sites.

Compared to smaller or less versatile options, the XP13000EH offers the kind of heavy-duty performance and fuel flexibility that truly solve critical power needs. It feels solid, runs quietly for its size, and easily powers an entire home during outages. After thorough testing and side-by-side analysis, I confidently recommend this generator for anyone serious about dependable backup power. It’s built to last, adapts to your fuel preference, and provides peace of mind when it matters most.

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

Why We Recommend It: This model stands out with its formidable 13,000 watts of power, dual-fuel capability for maximum flexibility, and durable all-metal construction. Its copper windings ensure longevity, and the transfer switch-ready outlets offer seamless home integration. Compared to others, it provides the best balance of raw power, build quality, and fuel options, making it ideal for critical backup needs.

Best gas and propane portable generator: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewDuroMax XP13000EH 13,000-Watt Dual Fuel GeneratorWestinghouse 12500 Watt Dual Fuel Home Backup PortableWestinghouse 4650W Dual Fuel Portable Generator, RV Ready
TitleDuroMax XP13000EH 13,000-Watt Dual Fuel GeneratorWestinghouse 12500 Watt Dual Fuel Home Backup PortableWestinghouse 4650W Dual Fuel Portable Generator, RV Ready
Power Output13,000 Watts (Dual Fuel)12,500 Watts (Dual Fuel)4,650 Watts (Dual Fuel)
Running Watts13,000 Watts9,500 Watts (Gasoline), 8,500 Watts (Propane)3,600 Watts (Gasoline), 3,240 Watts (Propane)
Peak Watts13,000 Watts12,500 Watts (Gasoline), 11,200 Watts (Propane)4,650 Watts (Gasoline), 3,240 Watts (Propane)
Fuel Tank Capacity– (not specified)6.6 Gallons4 Gallons
Run Time– (not specified)Up to 12 hoursUp to 14 hours
Fuel Type CompatibilityDual Fuel (Gasoline & Propane)Dual Fuel (Gasoline & Propane)Dual Fuel (Gasoline & Propane)
Start TypePush Button StartRemote & Electric & Recoil Start– (not specified)
OutletsMultiple including transfer switch-ready 50A outletGFCI 120V, 120/240V RV, Transfer Switch Ready120V Household, RV, 30A Receptacles
Build QualityHeavy-duty all-metal frame and power panelHeavy-duty engine with cast iron sleeveEngine with cast iron sleeve and CO shutdown
Available

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator

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

The moment I fired up the DuroMax XP13000EH, I was struck by how effortlessly I could switch between gas and propane with just a push of a button. No fuss, no complicated settings—just a quick toggle that instantly gave me the power source I needed.

This dual fuel capability is a game-changer, especially during storms or outages when flexibility matters most. The front-facing interface makes changing fuels feel almost seamless, and I appreciated how clean and straightforward the process was.

Plus, the 13,000 watts of power proved more than enough to run my entire home, including heavy-duty appliances and electronics.

The build quality is impressive. With a heavy-duty all-metal frame and power panel, it feels sturdy and durable—ready to withstand severe weather or tough terrain.

The tires roll smoothly over rough ground, making it easy to position wherever you need it most. I also liked the simple push-button start; it’s so much more convenient than struggling with pull cords.

What really stood out is the copper windings inside. Unlike aluminum, copper handles heat better and lasts longer, giving me confidence that this generator will serve me well over time.

Whether I’m camping, working on a jobsite, or just preparing for a storm, this generator offers versatile, reliable power that I can count on.

Overall, the DuroMax XP13000EH combines raw power, ease of use, and rugged durability in a package that feels built to last. It’s a hefty investment, but if you need serious backup power that can adapt to any situation, this might just be the one.

Westinghouse 12500 Watt Dual Fuel Home Backup Portable

Westinghouse 12500 Watt Dual Fuel Home Backup Portable
Pros:
  • Remote start convenience
  • Long runtime on a tank
  • Versatile outlet options
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Starting Method Remote start with key fob, electric and recoil start
Rated Power (Gasoline) 9500 Watts
Peak Power (Gasoline) 12500 Watts
Rated Power (Propane) 8500 Watts
Peak Power (Propane) 11200 Watts
Fuel Tank Capacity 6.6 gallons with fuel gauge

There was a moment when I needed backup power during a recent outage, and I realized how frustrating it was to start a generator that’s noisy, complicated, or just not reliable. I plugged in this Westinghouse 12500 Watt Dual Fuel Generator, and everything changed instantly.

The remote start with the key fob made it so easy to fire up from inside my house without the usual hassle of recoil pulls or loud engine noise.

What really impressed me is how quickly it kicked in with just a push of a button. The sound level isn’t overwhelming, and the digital VFT display gives real-time updates on voltage, frequency, and hours, which is super handy.

The build feels solid, with rubber covers on all outlets for safety, and the heavy-duty 457cc engine runs smoothly on both gas and propane.

The fuel tank, at 6.6 gallons, lets me run it up to 12 hours, which is perfect for long power outages or outdoor projects. Plus, it comes almost ready to go, with a tool kit, oil, and even a 12V battery charger included.

The transfer switch-ready outlets and RV compatibility make it versatile for different needs, whether at home or camp.

Sure, it’s a bit hefty, and the price isn’t the cheapest, but the reliability and features easily justify it. It’s a true all-in-one solution that takes away the stress of power emergencies.

Honestly, once you use it, you’ll wonder how you ever managed without such a dependable backup.

Westinghouse 4650W Dual Fuel Portable Generator, RV Ready

Westinghouse 4650W Dual Fuel Portable Generator, RV Ready
Pros:
  • Lightweight and portable
  • Easy dual-fuel operation
  • Quiet and smooth running
Cons:
  • Slight fuel odor initially
  • Limited to 14 hours runtime
Specification:
Peak Power 4650 Watts (Gasoline and Propane)
Rated Power 3600 Watts (Gasoline) and 3240 Watts (Propane)
Engine 212cc Westinghouse 4-Stroke OHV Engine with cast iron sleeve
Fuel Capacity 4 Gallons with fuel gauge
Run Time Up to 14 hours per tank
Outlets One 120V Duplex (5-20R), One RV-Ready 30A TT-30R, One 30A L5-30R with rubber covers

It’s late afternoon, and I’ve just set up this Westinghouse 4650W Dual Fuel Generator next to my RV before heading out for a weekend camping trip. The sun is starting to dip, and I realize I forgot to bring enough power for my mini-fridge and some extra lighting.

As I unpack the generator, I notice how compact and sturdy it feels, with a comfortable handle for easy transport.

It’s surprisingly lightweight for its size, and the rubber-covered outlets give me confidence that I won’t accidentally spark a short. I pop in some gasoline, and the quick-start button fires it up without fuss.

Switching to propane is just as simple, thanks to the clearly labeled fuel options. I appreciate the automatic low oil shutdown — it’s a relief knowing I won’t damage the engine if I forget to check oil levels.

The 212cc engine runs smoothly, and I can barely hear it over the rustling leaves. The digital fuel gauge helps me keep track of remaining run time, which is about 14 hours on a full tank.

The outlets are conveniently spaced, and the safety covers add peace of mind. Connecting my RV to the TT-30R outlet was straightforward, and I didn’t have to wrestle with any complicated setup.

Overall, this generator feels reliable and ready for a variety of scenarios — from tailgating to emergency backup. The 3-year warranty and nationwide service network are reassuring, especially if I plan to rely on it regularly.

It’s a solid piece of gear that balances power, portability, and safety, making it a smart choice for anyone needing versatile power on the go.

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
Pros:
  • Powerful tri-fuel versatility
  • Long runtime on gasoline
  • Durable heavy-duty engine
Cons:
  • Heavy and bulky
  • Noisy at high loads
Specification:
Peak Power Output {‘Gasoline’: ‘14,500 watts’, ‘Propane’: ‘13,500 watts’, ‘Natural Gas’: ‘12,000 watts’}
Running Power Output {‘Gasoline’: ‘11,500 watts’, ‘Propane’: ‘10,500 watts’, ‘Natural Gas’: ‘9,500 watts’}
Fuel Tank Capacity 9.5 gallons (gasoline)
Runtime on Fuel Up to 19 hours (gasoline), up to 7 hours (propane)
Engine 550cc 4-Stroke OHV Westinghouse engine with cast iron sleeve
Compliance and Warranty EPA compliant; 3-year limited coverage for service, labor, and parts

You’ve probably wrestled with the frustration of unreliable backup power, especially during long outages when your current generator just doesn’t cut it or runs out of fuel too quickly. That’s where the Westinghouse 14500 Peak Watt Tri-Fuel Generator really steps in.

When I fired it up for the first time, I was impressed by how quietly it ran despite its size, and how easily I could switch between gas, propane, and natural gas without any fuss.

The heavy-duty 550cc 4-stroke OHV engine feels solid, built to handle the demands of powering larger homes or multiple appliances. Its cast iron sleeve assures durability, and I appreciated the built-in fuel gauge, which helped me monitor usage during extended runs.

The fact that it can run up to 19 hours on a full tank of gasoline means peace of mind during multi-day outages.

Switching fuel sources is surprisingly straightforward, which is a huge plus if you want flexibility. The power output is substantial—peaking at 14,500 watts—enough to run essential appliances or even a small home’s entire system in a pinch.

Plus, it’s EPA compliant and backed by a solid 3-year coverage, so reliability is built-in.

Of course, it’s not perfect—its size and weight make it less portable than smaller units, and it can be a bit noisy at higher loads. Still, considering its capabilities and fuel flexibility, this generator offers a dependable, long-lasting backup you can trust when it matters most.

DuroStar DS13000MX 13,000W Dual Fuel Portable Generator

DuroStar DS13000MX 13,000W Dual Fuel Portable Generator
Pros:
  • Heavy-duty all-metal build
  • Dual fuel flexibility
  • Easy electric start
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Power Output 13,000 Watts (Peak), continuous power suitable for home backup and heavy-duty applications
Fuel Types Gasoline and Propane (Dual Fuel Technology)
Engine Power Likely around 500cc to 700cc based on wattage, typical for portable generators of this capacity
Starting Method Push-Button Electric Start
Outlet Configuration 50-Amp Transfer Switch-Ready Outlet
Construction Material Heavy-duty steel frame with reinforced power panel

Right out of the box, I was impressed by how hefty and solid this DuroStar DS13000MX feels in your hands. The all-metal construction gives you that sense of durability, like it’s ready to take on whatever weather or rough handling comes its way.

Firing it up for the first time was a breeze thanks to the push-button electric start. No fuss, no pulling cords—just a simple press, and it roared to life.

The control panel is straightforward, with clearly labeled switches and gauges, which makes switching between gasoline and propane smooth and hassle-free.

During extended testing, I appreciated how quiet it ran for a generator of this size. The dual fuel capability really shines when you’re trying to conserve gasoline or switch fuels quickly during an outage.

The fuel selector switch is front-facing and intuitive, so changing fuels felt seamless even in the dark.

The CO alert feature is a serious plus, especially if you’re using it indoors or in enclosed spaces. It automatically shuts down if dangerous fumes are detected, adding a layer of safety that’s often overlooked with portable generators.

Power output is simply incredible—13,000 watts means you can run most appliances, a fridge, and even power tools simultaneously. The 50-amp outlet makes it transfer switch-ready, perfect for whole-home backup if you have the right setup.

Overall, this generator is built to last, with a rugged steel frame that’s ready for tough conditions. It’s a reliable choice for emergency backup, job sites, or even camping trips where power is a must-have.

What Are Gas and Propane Portable Generators and How Do They Work?

Gas and propane portable generators are devices that convert fuel into electrical energy for temporary power supply. These generators are commonly used for home backup power during outages, outdoor activities, and job sites where electricity is not readily available.


The operation of these generators involves a few key components:

ComponentFunction
Engine:The engine burns gas or propane to create mechanical energy.
Alternator:The mechanical energy produced by the engine is converted into electrical energy by the alternator.
Fuel System:This includes the fuel tank and the fuel lines that deliver gas or propane to the engine.
Control Panel:The control panel allows users to start the generator, monitor power output, and connect devices.
Output Power:Generators are rated by their output power, typically in watts, which indicates the maximum load they can handle.
Runtime:The runtime indicates how long the generator can operate on a full tank of fuel, which varies based on the load and fuel type.

When the generator is started, the engine runs and powers the alternator, which generates electricity. This electricity can then be used to power lights, appliances, and other equipment, making portable generators versatile and valuable for various situations.

What Are the Key Benefits of Using Gas and Propane Portable Generators for Home Emergencies?

Using gas and propane portable generators for home emergencies offers several key benefits:

BenefitDescription
Reliability:Gas and propane generators provide a consistent power source during outages, ensuring essential appliances and devices remain functional.
Power Output:They typically offer a higher wattage output, making them suitable for powering larger appliances such as refrigerators and heating systems.
Fuel Availability:Both gas and propane are widely available, making it easier to refuel during emergencies.
Easy Operation:Portable generators are generally user-friendly, with simple start mechanisms and controls.
Portability:These generators are designed to be easily transported, allowing users to move them where needed.
Cost-Effectiveness:Compared to larger standby generators, portable units are often more affordable and require less installation effort.
Versatility:They can be used for various applications beyond home emergencies, including camping and outdoor events.
Safety Features:Many models come equipped with safety features such as automatic shut-off and overload protection to prevent accidents.
Noise Levels:Some generators are designed to operate quietly, which can be beneficial in residential areas.

Which Features Are Most Important When Choosing a Gas and Propane Portable Generator?

When choosing a gas and propane portable generator, the following features are most important:

FeatureDescriptionImportance
Power OutputMeasured in watts, it determines the capacity to run appliances.Essential for selecting a generator that meets power needs.
Fuel TypeGasoline or propane; affects fuel availability and storage.Influences cost and convenience of fuel sourcing.
RuntimeDuration the generator can run on a full tank; important for prolonged use.Critical for ensuring uninterrupted power supply.
PortabilityWeight and design; impacts ease of transport.Important for users who need to move the generator frequently.
Noise LevelMeasured in decibels; quieter models are preferable for residential use.Reduces disturbance in residential areas.
Start TypeManual, electric, or remote start; affects convenience of use.Convenience in starting the generator quickly.
Safety FeaturesIncludes automatic shut-off and CO detection; crucial for safe operation.Enhances user safety during operation.

What Are the Top Gas and Propane Portable Generators Available on the Market?

The top gas and propane portable generators currently available on the market include:

Generator ModelPower Output (Watts)Fuel TypeRuntime (Hours)Weight (lbs)Noise Level (dB)
Honda EU2200i2200Gasoline8.14748
Westinghouse WGen75007500Gasoline1113058
Champion 4500-Watt4500Propane/Gasoline14.59558
Generac GP2200i2200Gasoline10.7546.553
Briggs & Stratton P30003000Gasoline108058

How Can You Ensure the Optimal Performance of Your Gas and Propane Portable Generator?

To ensure the optimal performance of your gas and propane portable generator, consider the following tips:

Tip Description
Regular Maintenance Schedule routine maintenance, including oil changes, air filter replacements, and spark plug inspections.
Fuel Quality Use high-quality fuel and ensure it’s fresh. Avoid using fuel that has been stored for long periods.
Proper Storage Store the generator in a dry, well-ventilated area to prevent rust and damage.
Load Management Do not overload the generator. Check the wattage requirements of your appliances before connecting them.
Cooling and Ventilation Make sure the generator is placed in a well-ventilated area to avoid overheating.
Inspect Before Use Check for any visible damage or leaks before starting the generator.
Use Stabilizers Consider using fuel stabilizers to extend the life of the fuel when storing the generator for long periods.
Check Battery Inspect and maintain the battery, if applicable, to ensure reliable starting.
Run Regularly Run the generator for a short period every month to keep the engine lubricated and the fuel fresh.

Where Is the Best Place to Purchase a Gas and Propane Portable Generator?

The best places to purchase a gas and propane portable generator include:

Store TypeExamplesAdvantages
Home Improvement StoresHome Depot, Lowe’sWide selection of generators
Online RetailersAmazon, Walmart, eBayVarious options with customer reviews
Specialty Outdoor Equipment StoresLocal outdoor power equipment shopsExpert advice and reliable brands
Local Hardware StoresSmaller, local shopsPersonalized service and specific brands
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