Finding the best dual fuel generator propane and gas involves balancing power, versatility, and ease of use. The Champion 4000-Watt stands out for its compact inverter design, ideal for RVs and camping, while the Westinghouse 12500 Watt offers massive capacity for home backup. A key tradeoff in this category is between maximum power and portability—larger models provide more juice but tend to be heavier and pricier. Fuel switching ease and runtime are also critical considerations that influence which model suits your needs best. Keep reading for a detailed comparison that helps you choose the right generator for your specific situation.
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Key Takeaways
- The largest capacity models like the Westinghouse 14500 Peak Watt stand out for power but are less portable and more expensive.
- Inverter generators such as the PowerSmart 3800W excel for quiet operation and fuel efficiency, making them suitable for sensitive electronics.
- Remote start features are increasingly common and add convenience, especially for larger models like the DuroStar DS13000MX.
- Fuel switching ease and safety features, like CO sensors, are critical for safe outdoor and emergency use.
- Price varies widely; high-capacity units tend to cost more but provide more power, so consider your power needs carefully.
| Champion 4000-Watt Dual Fuel RV Portable Inverter Generator |  | Best Overall Dual Fuel Portable Inverter Generator | Power Output: 4000 starting watts, 3000 running watts | Fuel Type: Gasoline or propane | Run Time: Up to 10 hours on gasoline, 25 on propane | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best High Power Dual Fuel Generator with Remote Start | Peak Watts: 12500 | Running Watts: 9500 | Fuel Type: Gasoline, Propane | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best Heavy-Duty Dual Fuel Power with Long Run Time | Power Output: 14,500 Watts peak, 11,500 Watts run | Fuel Type: Gasoline and Propane | Fuel Tank Capacity: 9.5 gallons | VIEW LATEST PRICE | See Our Full Breakdown |
| PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use |  | Best Compact Dual Fuel Inverter for Portability | Wattage: 3800 watts | Fuel Type: Gasoline and Propane | Power Source: Gas-Powered | VIEW LATEST PRICE | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Remote Electric Start |  | Best Heavy-Duty Backup Power with Electric Start | Power Output: 13,000 Watts | Fuel Type: Gasoline and Propane | Start Type: Electric push-button | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Start |  | Best Overall for High Power and Convenience | Peak Watts (Gasoline): 13500 | Running Watts (Gasoline): 10500 | Peak Watts (Propane): 12500 | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor |  | Best for RV Use and Portability with Safety Features | Peak Watts: 4650 | Rated Watts: 3600 (Gasoline), 3240 (Propane) | Fuel Tank Capacity: 4 gallons | VIEW LATEST PRICE | See Our Full Breakdown |
| dual fuel generator propane and ga | Fuel Type | Run Time | Engine |
|---|---|---|---|
| Champion 4000-Watt Dual Fuel R | Gasoline or propane | Up to 10 hours on gasoline, 25 on propane | — |
| Westinghouse 12500 Watt Dual F | Gasoline, Propane | Up to 12 hours | 457cc 4-Stroke OHV |
| Westinghouse 14500 Peak Watt D | Gasoline and Propane | Up to 19 hours | 550cc 4-Stroke OHV |
| PowerSmart 3800 Watt Dual Fuel | Gasoline and Propane | — | — |
| DuroStar DS13000MX 13,000-Watt | Gasoline and Propane | — | — |
| Westinghouse 13500 Peak Watt D | — | Up to 19 hours | 500cc Westinghouse 4-Stroke OHV |
| Westinghouse 4650 Peak Watt Du | — | Up to 14 hours | 212cc Westinghouse 4-Stroke OHV |
More Details on Our Top Picks
Champion 4000-Watt Dual Fuel RV Portable Inverter Generator
This generator stands out for offering versatile fuel options with gasoline or propane, making it suitable for varied situations like RV trips or backup power. Its ultra-quiet operation at 64 dBA surpasses many competitors such as the PowerSmart 3800W, which operates slightly louder. The long run time—up to 10 hours on gasoline and 25 on propane—provides extended use without frequent refueling. Multiple outlets increase its adaptability for powering different devices. However, the need to purchase a parallel kit separately adds extra cost, and its weight may be a challenge for portability. Compared to larger models like the Westinghouse 14500W, this inverter is more compact and neighbor-friendly, though it offers less power. This pick makes the most sense for RV owners or campers seeking quiet, flexible power with a manageable size.
Pros:- Operates smoothly on gasoline or propane for flexible fuel choice
- Ultra-quiet at 64 dBA, neighbor-friendly
- Long run time up to 10 hours on gasoline and 25 hours on propane
- Multiple outlets for versatile power needs
Cons:- Parallel kit sold separately, adding to overall cost
- Relatively heavy, which may hinder portability
Best for: Campers and RV owners who need quiet operation and flexible fuel options
Not ideal for: Heavy-duty construction sites needing high wattage or long-term continuous power
- Power Output:4000 starting watts, 3000 running watts
- Fuel Type:Gasoline or propane
- Run Time:Up to 10 hours on gasoline, 25 on propane
- Noise Level:64 dBA from 23 feet
- Outlets:120V 25A TT-30R, 120V 20A duplex, 12V automotive, parallel outlets
- Warranty:3-year limited
Our verdict“Ideal for RV enthusiasts or outdoor adventurers prioritizing quiet, flexible, and portable power solutions.”
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
This model ranks highly for its impressive peak wattage of 12,500, suitable for powering large appliances or multiple devices simultaneously, outperforming smaller options like the PowerSmart 3800W. Its remote electric start adds convenience, especially during emergencies or when hands-free operation is preferred. The large 6.6-gallon tank supports up to 12 hours of runtime, making it ideal for extended outages or job site use. Its multiple outlets, including transfer switch and RV-ready options, expand its versatility. The main tradeoff is its significant weight, which might require assistance for transport, and the complexity of setup could be daunting for first-time users. Compared to the Westinghouse 13500W, it offers slightly lower wattage but better ease of use with remote start features. This generator makes the most sense for homeowners or contractors needing serious power with added remote convenience.
Pros:- High peak wattage capacity for large loads
- Remote electric start adds convenience
- Long runtime up to 12 hours on a full tank
- Multiple outlets including transfer switch and RV-ready
Cons:- Heavy and challenging to move without help
- More complex setup compared to smaller models
Best for: Homeowners or contractors requiring high wattage with remote start for ease of use
Not ideal for: Individuals seeking a lightweight or budget-friendly backup power solution
- Peak Watts:12500
- Running Watts:9500
- Fuel Type:Gasoline, Propane
- Engine:457cc 4-Stroke OHV
- Run Time:Up to 12 hours
- Tank Capacity:6.6 gallons
Our verdict“Perfect for those who need serious, reliable power with remote operation and can handle its weight.”
Westinghouse 14500 Peak Watt Dual Fuel Portable Generator with Remote Electric Start
This generator offers substantial power with 14,500 peak watts and 11,500 running watts, making it suitable for large homes or demanding job sites, outperforming the PowerSmart 3800W in capacity. The remote electric start simplifies operation, especially in emergencies or for frequent use. Its 9.5-gallon tank provides an impressive runtime of up to 19 hours on gasoline, surpassing many smaller models. Its low THD ensures safe operation with sensitive electronics, and durable cast iron engine components enhance longevity. The main drawback is its weight and bulk, which can complicate transportation, and it’s more expensive, reflecting its heavy-duty design. Compared to the DuroStar 13000W, this generator offers higher wattage and longer runtime but at a higher cost and size. It’s best suited for serious backup power or construction use where maximum output and durability are priorities.
Pros:- Exceptional peak and continuous power output
- Remote electric start for convenience
- Extended runtime of up to 19 hours on gasoline
- Durable all-metal construction for longevity
Cons:- Heavy and difficult to move without assistance
- Higher price point relative to smaller units
Best for: Homeowners needing maximum backup power or contractors on large projects
Not ideal for: Users with limited space or those needing a portable, lightweight unit
- Power Output:14,500 Watts peak, 11,500 Watts run
- Fuel Type:Gasoline and Propane
- Fuel Tank Capacity:9.5 gallons
- Run Time:Up to 19 hours
- Engine:550cc 4-Stroke OHV
Our verdict“Designed for demanding applications where maximum power, durability, and long runtime are essential, despite its size and weight.”
PowerSmart 3800 Watt Dual Fuel Inverter Generator for Camping or Home Use
This generator offers a balance of power and portability, making it ideal for camping or small backup needs. Its 3800 starting watts and 3300 running watts are sufficient for most essential appliances, and its quiet operation at 59 dBA is better than many larger units like the Westinghouse 12500W. Runtime of up to 8 hours on gasoline and 24 hours on propane enables extended use, although its 1.3-gallon fuel tank limits continuous operation at high loads. Safety features like overload protection and a CO sensor add peace of mind. The compact size and lighter weight come at the expense of maximum runtime and power capacity. Unlike larger models like the Westinghouse 14500W, this generator is less suited for heavy-duty or long-term power needs but excels in portability and neighbor-friendly operation. It makes the most sense for campers or small households needing reliable, quiet backup power.
Pros:- Quiet operation at just 59 dBA
- Lightweight and portable for easy transport
- Dual fuel capability for flexibility
- Includes safety features like overload and CO sensors
Cons:- Small fuel tank limits runtime at high loads
- Lower power output compared to larger units
Best for: Campers, tailgaters, or small households needing portable, quiet backup power
Not ideal for: Homes or job sites requiring high wattage or extended runtime at full load
- Wattage:3800 watts
- Fuel Type:Gasoline and Propane
- Power Source:Gas-Powered
- Tank Volume:1.3 gallons
- Runtime:Up to 8 hours on gasoline, 24 on propane
Our verdict“Best suited for outdoor enthusiasts or small households seeking portable, quiet, dual fuel power.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator with Remote Electric Start
The DuroStar DS13000MX ranks highly for its high wattage of 13,000, making it suitable for large homes or job sites, similar to the Westinghouse 14500W but often at a more affordable price. Its electric push-button start simplifies operation, and the CO safety alert offers extra security during use. The all-metal construction promises durability and long-term reliability, even under harsh conditions. Its main tradeoff is its significant weight, which makes transportation challenging without assistance, and it can be noisier than inverter-style models like the PowerSmart 3800W. Compared to the Westinghouse 13500W, it provides comparable power but with potentially less refined noise and emissions controls. This generator is best for users who prioritize raw power, durability, and safety features over portability.
Pros:- High wattage for large appliances and tools
- Electric push-button start for ease of operation
- All-metal construction for durability
- CO safety alert for enhanced safety
Cons:- Heavy and difficult to move without help
- Potentially noisy during operation
Best for: Homeowners and contractors needing reliable, high-capacity power in demanding environments
Not ideal for: Users requiring a lightweight or highly portable generator for recreational use
- Power Output:13,000 Watts
- Fuel Type:Gasoline and Propane
- Start Type:Electric push-button
- Transfer Switch Ready:Yes
- Outlet:50-Amp
Our verdict“Suitable for heavy-duty residential or commercial applications where power and durability outweigh portability concerns.”
Westinghouse 13500 Peak Watt Dual Fuel Portable Generator with Remote Start
This model stands out for its exceptional wattage output, making it ideal for serious backup power or large job sites. Compared with the Westinghouse 14500, it offers slightly less peak wattage but compensates with a longer runtime of up to 19 hours, thanks to its larger 9.5-gallon fuel tank. The remote start feature adds convenience, especially during frequent outages or remote work. However, its size and weight make it less portable, and setup can be daunting for those unfamiliar with large generators. The dual fuel capability allows flexibility between gasoline and propane, but the bulk and complexity could be drawbacks for casual users.
Pros:- High wattage output suitable for demanding applications
- Remote electric start adds ease of use
- Extended runtime of up to 19 hours on a full tank
- Multiple outlets with safety covers for versatile connections
Cons:- Heavy and bulky, limiting portability
- Complex setup may be intimidating for beginners
- Fuel odor can be noticeable after storage
Best for: Homeowners or contractors needing reliable, high-capacity backup power with remote start convenience.
Not ideal for: Campers or tailgaters who prioritize portability and simplicity over high wattage.
- Peak Watts (Gasoline):13500
- Running Watts (Gasoline):10500
- Peak Watts (Propane):12500
- Running Watts (Propane):9500
- Fuel Tank Capacity:9.5 gallons
- Run Time:Up to 19 hours
- Engine:500cc Westinghouse 4-Stroke OHV
- Starting Method:Remote electric and recoil start
- Safety Features:Low oil shutdown, CO shutdown
Our verdict“This generator is perfect for users who need serious power and remote starting capability despite its size and setup complexity.”
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor
This generator makes the most sense for RV owners or smaller household needs, offering reliable power with a compact footprint. Its peak wattage of 4650 makes it suitable for basic home backup or camping setups, especially with the RV-ready 30A outlet. The inclusion of a CO sensor enhances safety, a feature not always found on budget models like PowerSmart. Compared with the larger Westinghouse 13500, it sacrifices some power but gains portability and ease of use, perfect for frequent travelers. Its 4-gallon tank provides up to 14 hours of runtime, which is ample for most recreational or light household applications but less for heavy-duty or prolonged use.
Pros:- Reliable dual fuel operation with comparable power on gas and propane
- Includes RV-ready 30A outlet, ideal for travel
- CO sensor enhances safety during operation
- Lightweight and easy to transport
Cons:- Residual odor from factory testing may require airing out
- Limited tank size results in shorter runtime compared to larger models
- Minimal assembly needed before first use
Best for: RV travelers and small household users seeking compact, safe, dual-fuel power.
Not ideal for: Heavy-duty construction sites or large households needing continuous high wattage.
- Peak Watts:4650
- Rated Watts:3600 (Gasoline), 3240 (Propane)
- Fuel Tank Capacity:4 gallons
- Run Time:Up to 14 hours
- Outlets:One 5-20R 120V, One TT-30R 30A, One L5-30R 30A
- Engine:212cc Westinghouse 4-Stroke OHV
- Warranty:3 years
Our verdict“This generator is well-suited for RV owners and light household needs where portability and safety are priorities.”
How We Picked
Our evaluation focused on performance, versatility, build quality, and usability. We prioritized models with reliable dual fuel switching, sufficient wattage for common backup or recreational needs, and user-friendly features like remote start and portability. Safety features such as CO sensors and robust construction were also key factors. To rank these products, we compared their power output, run time, fuel efficiency, and customer feedback, ensuring each selection offers a distinct advantage for different use cases, from camping to home backup.| dual fuel generator propane and ga | Fuel Type | Run Time |
|---|---|---|
| Champion 4000-Watt Dual Fuel R | Gasoline or propane | Up to 10 hours on gasoline, 25 on propane |
| Westinghouse 12500 Watt Dual F | Gasoline, Propane | Up to 12 hours |
| Westinghouse 14500 Peak Watt D | Gasoline and Propane | Up to 19 hours |
| PowerSmart 3800 Watt Dual Fuel | Gasoline and Propane | — |
| DuroStar DS13000MX 13,000-Watt | Gasoline and Propane | — |
| Westinghouse 13500 Peak Watt D | — | Up to 19 hours |
| Westinghouse 4650 Peak Watt Du | — | Up to 14 hours |
Factors to Consider When Choosing Best Dual Fuel Generator Propane And Gas
Choosing the best dual fuel generator involves considering several factors beyond just power output. It’s important to evaluate portability, fuel efficiency, safety features, and ease of switching fuels. Understanding these aspects helps you select a generator that not only meets your power needs but also fits your lifestyle and safety requirements. Avoid common mistakes like underestimating your total wattage needs or ignoring safety features, which can impact your experience.Power Capacity and Runtime
Assess your typical power needs carefully. Larger capacities ensure you can run multiple appliances or tools simultaneously, but they add weight and cost. Consider the run time at full load—longer runtimes mean less frequent refueling, which is especially important during outages or camping trips. Balance capacity with portability to find a generator that suits your primary use, whether it’s home backup, RV trips, or outdoor work.
Portability and Size
Size and weight are crucial, especially if you need to move your generator frequently. Inverter models tend to be lighter and quieter, ideal for camping or tailgating. Larger, more powerful units offer higher wattage but can be cumbersome. Think about how you’ll transport the generator—built-in handles, wheels, and compact design can make a significant difference in ease of use.
Fuel Switching and Efficiency
Seamless fuel switching is a major convenience feature for dual fuel generators, allowing you to switch between propane and gas without hassle. Fuel efficiency impacts operational costs and runtime, so look for models with good consumption rates. Remember that propane storage and handling can be safer and cleaner, but availability might vary depending on your location and usage scenario.
Safety Features
Safety features like carbon monoxide sensors, automatic shutoff, and sturdy construction are vital for outdoor use and emergency situations. CO sensors detect dangerous gas buildup, providing peace of mind during prolonged operation. Investing in a model with these features can prevent accidents and ensure safe operation, especially in enclosed or semi-enclosed environments.
Price and Warranty
While higher-capacity or feature-rich models come at a premium, they often provide better long-term value through durability and reliability. Consider the warranty period and what it covers—longer warranties can save money on repairs. Be cautious about very low-priced units, as they may compromise on build quality or safety features, leading to higher costs later.
Frequently Asked Questions
Can I run sensitive electronics on a dual fuel generator?
Yes, many dual fuel generators include inverter technology, which produces cleaner, stable power suitable for sensitive electronics like laptops and phones. However, it’s important to verify the generator’s power output and whether it offers pure sine wave power, which minimizes electrical noise and potential damage to delicate devices. Always check the specifications and consider using surge protectors for added safety.
How easy is it to switch between propane and gas on these generators?
Most modern dual fuel generators are designed for straightforward fuel switching, often with a simple switch or lever. The process usually involves turning off the engine, switching fuel sources, and restarting. Some models allow you to switch fuel sources while the engine is running, but this depends on the design. Always follow the manufacturer’s instructions to ensure safe and reliable operation.
What safety features should I look for in a dual fuel generator?
Safety features such as carbon monoxide sensors, automatic shutoff, and sturdy enclosures are vital, especially for outdoor or emergency use. CO sensors detect dangerous gas levels and shut down the generator to prevent poisoning. Automatic shutoff features protect against overloads or unsafe conditions. Prioritizing these features enhances safe operation and peace of mind.
Is a larger capacity generator worth the extra cost?
It depends on your power needs. Larger capacity generators can run multiple appliances simultaneously and handle heavy-duty tools, making them suitable for whole-home backup or large outdoor setups. However, they tend to be heavier, more expensive, and less portable. If your intended use is occasional or for smaller loads, a smaller model may offer better value and ease of transport.
How do I maintain a dual fuel generator for long-term use?
Regular maintenance includes checking and changing the oil, inspecting spark plugs, and cleaning or replacing air filters. Proper storage of fuel sources and periodic testing of the generator ensures reliable operation. Following the manufacturer’s maintenance schedule and safety guidelines can extend the lifespan of your generator and keep it ready for use when needed.
Conclusion
For those seeking the best overall, the Westinghouse 14500 Peak Watt Dual Fuel Generator offers impressive power and features suitable for both home backup and outdoor use. Budget-conscious buyers will find the PowerSmart 3800 Watt Inverter provides excellent value for camping and light loads. If safety and ease of use are priorities, the Westinghouse 4650 Peak Watt RV-Ready Generator with built-in CO sensor is a dependable choice. Beginners should consider inverter models with simple controls, while professionals or homeowners needing maximum power should look at larger, more robust options. Overall, selecting the right generator depends on your specific power demands, safety preferences, and portability needs.
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