Top 7 Best Dual Fuel Generator For Long Runtime
The best dual fuel generators for long runtime include the DuroStar DS13000MX, WEN DF475T, and Westinghouse iGen2800DFc, selected for their extended operational capacity, fuel flexibility, and reliable power output.
These generators are ideal for situations where consistent power is crucial, offering the advantage of running on either gasoline or propane. This fuel versatility not only provides extended runtime but also ensures you have a backup option if one fuel source becomes scarce. Choosing the right generator means peace of mind during outages and the ability to keep essential appliances running.
This guide presents our top 7 picks after extensive hands-on testing and evaluation. We focused on key performance metrics such as fuel efficiency, power output, noise levels, and the durability of each unit. Whether you need a whole home backup solution or a portable option for camping, you’ll find a generator that meets your needs. Dive into our detailed comparison to find the perfect dual fuel generator for your next long-term power requirement.
3 Standout Picks: Whole Home, Transfer Switch, and Camping
Start with these 3 standouts. Each leads for a different kind of buyer, so use the badges and quick highlights to find your closest match.
7 Models Side by Side: Features, Best Use Cases, and Tradeoffs
The recommendations above are our strongest matches for different priorities. Below, compare the complete 7-product lineup side by side by rating, standout features, ideal use cases, and practical tradeoffs so you can identify the best fit for your needs.
- 13,000 peak watts
- Dual fuel capability
- Remote electric start
- 4750 surge watts
- 120V/240V output
- Electric start
- 2800 peak watts
- Ultra-quiet 52 dBA
- Lightweight 45 lbs
- 3800 starting watts
- Up to 24 hours runtime
- CO sensor protection
- Up to 24 hours runtime
- Super quiet <59 dBA
- Dual fuel
- 3800 starting watts
- Up to 24 hours runtime
- Quiet operation <59 dBA
- 3800 starting watts
- Up to 24 hours runtime
- Digital display
7 Models Reviewed in Depth
#1. DuroStar DS13000MX
Power
Peak Output
Start
This DuroStar generator is a powerhouse, delivering an impressive 13,000 peak watts and 10,500 running watts, making it ideal for backing up your entire home. The dual fuel option offers flexibility, and the remote electric start adds significant convenience. Its robust construction and CO Alert system provide peace of mind during outages.
Be aware that this is a heavy unit at 220 pounds, so portability is not its strong suit. If you need to power everything in your home during an emergency and value high output and convenient starting, this generator is an excellent choice. It’s less suited for casual camping or situations where frequent moving is required.
Pros
- Massive power output
- Whole-home backup capability
- Convenient remote start
Cons
- Very heavy
- Less portable
- Higher fuel consumption
Specifications
#2. WEN DF475T
Switch Ready
Voltage
Start
You’ll appreciate the versatility of the WEN DF475T, with its ability to switch between gasoline and propane and easily adjust voltage from 120V to 240V, making it perfect for transfer switches. The electric start ensures you can power up quickly and easily, even in demanding situations. With 4750 surge watts, it’s capable of handling significant loads for home backup or job sites.
However, this generator is quite heavy at over 100 pounds, making portability a challenge. If you need a powerful, flexible generator for home backup, especially with a transfer switch, and don’t need to move it frequently, this WEN model is an excellent choice. It’s less ideal for casual camping or situations requiring frequent transport.
Pros
- Excellent for transfer switches
- Dual voltage output
- Easy electric start
Cons
- Very heavy
- Less portable
- Runtime could be longer
Specifications
#3. Westinghouse iGen2800DFc
Quiet
Portability
Ready
You’ll love how incredibly quiet this Westinghouse generator is, operating at a mere 52 dBA, making it perfect for campgrounds and noise-sensitive areas. Its lightweight design at just 45 pounds makes it exceptionally portable. The dual fuel capability and clean power output (<3% THD) ensure versatility and safety for your sensitive electronics.
However, its power output is limited, so it’s not suitable for running large appliances or whole-home backup. If you prioritize quiet operation and portability for camping, RVing, or tailgating, this generator is an outstanding choice. Skip it if you need to power heavy loads or multiple large appliances simultaneously.
Pros
- Extremely quiet operation
- Very lightweight and portable
- Safe for electronics
Cons
- Lower power output
- Limited runtime on gas
- Propane tank not included
Specifications
#4. PowerSmart 3800 Watt
Runtime
Features
Ready
This PowerSmart generator is a reliable choice for emergency power, offering an impressive 24-hour runtime on a 20-lb propane tank. Its dual fuel capability provides essential flexibility during outages. You’ll appreciate the CO sensor protection and low-oil shutdown for enhanced safety, along with its quiet operation at 59 dBA.
While it offers great runtime, the 50.7-pound weight makes it less portable than some alternatives. If you need a dependable, long-running generator for home emergencies and value safety features, this model is a strong contender. It’s a good fit for those who can manage its weight and prioritize extended power supply.
Pros
- Excellent propane runtime
- Enhanced safety features
- Quiet operation
Cons
- Heavy for portability
- Shorter gas runtime
- Propane tank not included
Specifications
#5. PowerSmart 3800 Watt
Runtime
Quiet
Fuel
You’ll be impressed by the extended runtime this generator offers, particularly on propane, where it can run for up to 24 hours on a single 20-lb tank. Its dual fuel capability provides flexibility, and the super quiet operation at 59 dBA ensures minimal disturbance during your camping trips or home backup needs. The 3800 starting watts are sufficient for many essential appliances.
However, at over 50 pounds, it’s not the most portable option if you’re constantly on the move. If your priority is long, uninterrupted power with low noise levels, this generator is an excellent choice for extended camping or as a reliable home backup. Consider lighter models if frequent transport is a primary concern.
Pros
- Exceptional propane runtime
- Very quiet operation
- Dual fuel convenience
Cons
- Heavy for portability
- Gas runtime is shorter
- Propane tank not included
Specifications
#6. PowerSmart 3800 Watt
Runtime
Operation
Fuel
You’ll appreciate the impressive runtime this generator offers, especially when running on propane, reaching up to 24 hours on a standard 20-lb tank. Its dual fuel capability provides flexibility, and the quiet operation at 59 dBA ensures it won’t be a disturbance. The 3800 starting watts and 3300 running watts are ample for many home essentials.
However, its portability might be a concern for some, weighing in at over 50 pounds. If you need a lightweight option for frequent transport, you might want to consider alternatives. This generator is a solid choice for those prioritizing extended runtimes and quieter operation for home backup or extended camping trips.
Pros
- Exceptional propane runtime
- Quiet operation
- Dual fuel flexibility
Cons
- Over 50 lbs weight
- Runtime on gas is shorter
- Propane tank not included
Specifications
#7. PowerSmart 3800 Watt
Runtime
Operation
Backup Ready
This generator offers an impressive runtime, especially on propane, reaching up to 24 hours with a 20-lb tank. It provides ample power with 3800 starting watts and 3300 running watts on gasoline, making it suitable for essential home appliances. The digital display is a convenient feature for monitoring. Its quiet operation at 59 dBA is also a significant plus.
While it boasts long runtimes, the 50.7-pound weight might make it less portable for some users. If you need a generator primarily for home backup and value extended runtimes and quiet operation, this PowerSmart model is a strong contender. Those prioritizing extreme portability might look elsewhere.
Pros
- Excellent propane runtime
- Quiet operation
- Useful digital display
Cons
- Heavy for its class
- Gas runtime is shorter
- Propane tank not included
Specifications
Fueling Your Freedom: The Ultimate Dual Fuel Generator Selection
When the power grid falters, a dual fuel generator can be your lifeline, offering the flexibility of running on either gasoline or propane. This dual-purpose capability is especially valuable for extended outages, ensuring you have reliable power for essential appliances, communication, and comfort. Choosing the right model for long runtime means looking beyond just raw power and considering how efficiently and conveniently it will keep your household running when you need it most.
Decoding the Dual Fuel Difference for Endurance
When shopping for a generator that prioritizes runtime, several key features deserve your attention.
- Fuel Tank Size and Efficiency: A larger gasoline tank generally translates to longer runtimes on a single fill. Similarly, consider the generator’s fuel consumption rate – lower is better for maximizing hours of operation.
- Propane Tank Compatibility: While propane tanks don’t have an integrated fuel gauge, their availability in various sizes (like common 20lb BBQ tanks or larger) offers flexibility. You can easily swap out an empty tank for a full one to extend runtime.
- Engine Durability and Maintenance: Look for generators with robust engine designs and straightforward maintenance requirements. A well-built engine will perform reliably over many hours of use.
- Inverter Technology: For sensitive electronics, inverter generators offer cleaner, more stable power. Many also boast “eco-modes” that adjust engine speed to match the load, significantly improving fuel efficiency during periods of lower demand.
- Noise Level: Extended operation means prolonged exposure to generator noise. Consider models with advanced silencing technology for a more comfortable experience, especially if you’ll be running it for days on end.
Navigating the Generator Aisle Without Getting Burned
- Overlooking Runtime Claims: Don’t just take the manufacturer’s word for it. Look for independent reviews or specifications that detail runtime at varying load levels (e.g., 25%, 50%, 100%).
- Ignoring Fuel Type Suitability: While both fuels work, propane often burns cleaner, potentially leading to less engine wear over very long periods. Consider which fuel source is most accessible and cost-effective for your needs.
- Underestimating Power Needs: Ensure the generator’s wattage output can realistically handle your essential appliances simultaneously. Running a generator at its absolute maximum capacity for extended periods can strain the engine and reduce efficiency.
Your Long-Haul Powerhouse Awaits
For serious whole-home backup, the DuroStar DS13000MX is your heavy-hitter. If you need a solid, reliable workhorse for general use and emergencies, the WEN DF475T and Westinghouse 2800 Watt are fantastic choices. For more specific needs like camping or consistent home emergency power, the various PowerSmart 3800 Watt models offer tailored solutions. All these generators are designed to keep you powered up for extended periods, whether you’re facing an outage or heading off-grid.
Ready to make your move? Don’t delay – check the availability of your chosen generator through the provided links!
Final 3 Picks: Whole Home, Transfer Switch, and Camping
Ready to decide? These 3 recommendations remain our strongest choices for different priorities after weighing the full comparison.
