Top 7 Best Dual Fuel Generator For Furnaces
The best dual fuel generators for furnaces include the DuroStar DS13000MX Dual Fuel for whole home backup, the DuroMax XP13000EH Dual Fuel for reliable home backup, and the Genkins 4500 Watt Dual Fuel for mid-size appliance backup, all chosen for their power output and versatility. Investing in a dual fuel generator ensures your furnace stays operational during outages, providing essential comfort and safety for your household. These generators offer the flexibility of running on both gasoline and propane, which can be crucial for extended power disruptions.
We’ve narrowed down the field to 7 top picks after extensive hands-on comparison and evaluation of critical factors like wattage, run time, and portability. Our detailed analysis considers the specific needs of homeowners looking to power their furnaces, ensuring each recommendation meets high standards for performance and value. Continue reading for our in-depth comparisons and a comprehensive table of specifications.
DuroStar DS13000MX Dual Fuel
- High 13,000-watt output
- Dual fuel flexibility
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- Remote electric start
- 13,000-Watt power
- Gas and propane
DuroMax XP13000EH Dual Fuel
- High 13,000-watt output
- Dual fuel operation
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- Reliable electric start
- 13,000-Watt power
- Gas and propane
Genkins 4500 Watt Dual Fuel
- Versatile dual fuel
- Good for mid-size needs
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- Relatively portable
- 4500-Watt power
- Propane and gas
WEN DF280iX Dual Fuel Inverter
- Very quiet operation
- Clean inverter power
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- Excellent safety features
- 2800-Watt inverter
- Quiet operation
WEN DF360iX Dual Fuel Inverter
- Quiet inverter technology
- RV-ready convenience
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- Enhanced safety features
- 3600-Watt inverter
- Quiet, RV-ready
WEN DF680iX Dual Fuel Inverter
- High inverter wattage
- EV backup capable
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- Quiet and clean power
- 6800-Watt inverter
- RV-ready, electric start
Westinghouse 4650 Dual Fuel
- Strong 4650-watt output
- Dedicated RV 30A outlet
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- Dual fuel flexibility
- 4650-Watt peak power
- RV ready 30A outlet
Top 7 Best Dual Fuel Generator For Furnaces
#1. DuroStar DS13000MX Dual Fuel

Peak Power
Gas & Propane
Electric Start
The DuroStar DS13000MX is a powerhouse, offering a substantial 13,000 watts of dual-fuel capability, making it ideal for powering your entire home during outages. You’ll appreciate the convenience of its remote electric start, allowing you to get it running without stepping outside. This generator is built for serious backup, ensuring your furnace and other essential appliances stay operational.
While its power is impressive, this unit is quite large and heavy, so don’t expect easy portability for casual use. It’s best suited for homeowners needing reliable whole-home power, especially those with transfer switch setups. If you need a smaller, more portable option, you might find this model to be overkill.
Pros
- High 13,000-watt output
- Dual fuel flexibility
- Remote electric start
Cons
- Large and heavy unit
- Not ideal for small tasks
- Requires significant storage space
Specifications
#2. DuroMax XP13000EH Dual Fuel

Home Backup
Propane Fuel
Start System
The DuroMax XP13000EH delivers robust performance with 13,000 watts of power, making it an excellent choice for keeping your home running during outages. You’ll appreciate the flexibility of its dual-fuel capability, allowing you to switch between gas and propane based on availability. Its electric start simplifies operation, ensuring you can quickly restore power when needed.
While highly capable, this generator can be quite loud during operation, which is common for high-wattage conventional generators. It’s a solid option for those prioritizing maximum power output and fuel flexibility for home backup. If quiet operation is a top priority, you might want to consider an inverter generator, but for sheer power, this is a strong contender.
Pros
- High 13,000-watt output
- Dual fuel operation
- Reliable electric start
Cons
- Can be noisy
- Heavy and bulky
- Not for quiet environments
Specifications
#3. Genkins 4500 Watt Dual Fuel

Peak Output
Gas Powered
Compact Design
The Genkins 4500 Watt Dual Fuel generator offers a good balance of power and portability for various needs. You’ll find its dual-fuel capability incredibly convenient, allowing you to choose between propane and gas based on what’s available. This unit is well-suited for powering essential appliances, including many furnaces, or for recreational use, providing reliable power when you need it.
While 4500 watts is sufficient for many applications, it might not handle all large appliances simultaneously, so plan your power needs accordingly. This generator is a smart choice for those seeking versatility and a manageable power output for camping, tailgating, or moderate home backup. If you require whole-home power for larger residences, you’ll likely need a higher wattage model.
Pros
- Versatile dual fuel
- Good for mid-size needs
- Relatively portable
Cons
- Limited for whole home
- May not power all large appliances
- Noise level typical for conventional
Specifications
#4. WEN DF280iX Dual Fuel Inverter

Inverter Power
Low Noise
Watchdog Safety
The WEN DF280iX is an excellent choice if you prioritize quiet operation and clean power for sensitive electronics. As an inverter generator, it produces stable electricity, perfect for your furnace and other delicate devices. You’ll appreciate its lightweight and portable design, making it easy to move and store, along with crucial safety features like the CO Watchdog.
While its 2800 watts are sufficient for many furnaces and basic home needs, it won’t power an entire house. This generator is ideal for those who need a reliable, quiet, and safe power source for essential items or recreational activities. If you require higher wattage for multiple large appliances, you should consider a more powerful conventional generator.
Pros
- Very quiet operation
- Clean inverter power
- Excellent safety features
Cons
- Lower wattage output
- Not for whole home backup
- Less robust than conventional
Specifications
#5. WEN DF360iX Dual Fuel Inverter

Inverter Output
Ready Power
Operation
The WEN DF360iX is a quiet and lightweight dual-fuel inverter generator, perfect for RV use and powering sensitive electronics like your furnace. You’ll appreciate its 3600 watts of clean power, ensuring your devices run smoothly without risk of damage. The inclusion of a fuel shut off and CO Watchdog enhances safety and ease of maintenance, making it a reliable choice.
While it’s excellent for RVs and essential home appliances, 3600 watts might not be enough for simultaneously running multiple high-demand items in a larger home. This generator is ideal for those seeking portable, quiet, and safe power for camping, RV trips, or targeted home backup. If you need to power an entire large household, you’ll want to look at higher wattage conventional generators.
Pros
- Quiet inverter technology
- RV-ready convenience
- Enhanced safety features
Cons
- Moderate power output
- Not for whole-home use
- Higher cost than conventional
Specifications
#6. WEN DF680iX Dual Fuel Inverter

Inverter Output
Backup Ready
Start
The WEN DF680iX stands out with its 6800 watts of dual-fuel inverter power, making it a versatile choice for both RV use and even electric vehicle backup. You’ll appreciate the clean, stable electricity it provides, which is crucial for sensitive electronics and appliances like your furnace. Its electric start and comprehensive safety features, including a CO Watchdog, ensure reliable and safe operation.
While offering significant power for an inverter, it’s still not designed for continuous, heavy whole-home loads like some conventional generators. This unit is an excellent fit for those needing substantial, quiet, and clean power for RVs, specific home circuits, or charging an EV. If your primary need is to power an entire large home for extended periods, a higher-output conventional generator might be more suitable.
Pros
- High inverter wattage
- EV backup capable
- Quiet and clean power
Cons
- Still not whole-home
- Heavier than smaller inverters
- Higher initial investment
Specifications
#7. Westinghouse 4650 Dual Fuel

Peak Power
30A Outlet
Sensor Safety
The Westinghouse 4650 Peak Watt Dual Fuel generator is a robust option for both RV adventures and emergency home backup. You’ll appreciate its 4650 watts of power, capable of running your furnace and other essential appliances with ease. The RV Ready 30A outlet makes it especially convenient for travel, and the integrated CO Sensor adds a crucial layer of safety.
While powerful, this is a conventional generator, so expect a higher noise level compared to inverter models. It’s an excellent choice for those needing reliable, versatile power for recreational vehicles or to keep critical home systems running during outages. If quiet operation is paramount for your specific use case, you might consider an inverter generator instead.
Pros
- Strong 4650-watt output
- Dedicated RV 30A outlet
- Dual fuel flexibility
Cons
- Can be noisy
- Not an inverter generator
- Heavier than small units
Specifications

Powering Your Home: Unpacking Dual Fuel Generators for Furnace Reliability
When the power goes out, your furnace is often the first thing you want back online, especially in colder months. A dual fuel generator offers a versatile solution, but choosing the right one requires a thoughtful approach to ensure it meets your specific needs. This isn’t a purchase to rush; a little research now can save you a lot of discomfort later.
Decoding the Details: What Makes a Dual Fuel Generator Furnace-Ready
Before you commit, consider these critical elements that dictate a generator’s suitability for keeping your furnace humming.
- Wattage Requirements Your furnace has specific starting and running wattage needs. Ensure the generator’s output can comfortably handle these, with extra capacity for other essential appliances you might want to power simultaneously.
- Fuel Flexibility Dual fuel means you can switch between gasoline and propane. Think about the availability and storage of each in your area, and how long you anticipate needing power.
- Starting Method Look for reliable starting options, whether electric start with a battery or a dependable recoil pull. Ease of use is key during an emergency.
- Portability vs. Stationary While some generators are designed for easy movement, others are more robust and intended for a fixed location. Consider where you’ll store and operate it.
- Noise Level Generators can be loud. If it will be operating near your home or neighbors, a quieter model can significantly improve your experience.
- Safety Features Essential safety cut-offs, like low-oil shutdown and overload protection, are non-negotiable for protecting both the generator and your home.
Missteps to Sidestep on Your Generator Journey
Don’t let these common oversights dim your emergency preparedness.
- Underestimating Power Needs: Many buyers only calculate their furnace’s running watts and forget the higher surge wattage required to start it, leading to an undersized generator that trips or stalls.
- Ignoring Fuel Storage and Run Time: Failing to plan for adequate fuel storage or not considering how long the generator can run on a full tank (or propane cylinder) can leave you in the dark sooner than expected.
- Neglecting Proper Ventilation: Operating a generator indoors or in an enclosed space is extremely dangerous due to carbon monoxide poisoning. Always ensure it’s used in a well-ventilated outdoor area, far from windows and doors.
Powering Your Furnace: The Ultimate Dual Fuel Decision
When it comes to keeping your furnace humming, the Durostar DS13000MX and DuroMax XP13000EH are your heavy-hitting champions for whole-home backup. For those needing a more portable, quieter solution, the WEN DF280iX and DF360iX offer excellent inverter technology, while the WEN DF680iX steps up for RV-ready power. The Genkins 4500W and Westinghouse 4650W provide solid, reliable power for everyday needs.
No matter your specific power requirements, there’s a fantastic dual fuel generator here to keep your home warm and secure. Ready to make your move? Check current availability and snag your perfect furnace companion using the buttons above!
