Top 7 Best Small Dual Fuel Generator For Whole House Backup
The best small dual fuel generators for whole-house backup include options like the Westinghouse WGen11500TFc (Ultimate Fuel Versatility), the DuroStar DS13000MXT (Tri-Fuel Home Power), and the Westinghouse WGen11500DFc (Versatile Home Backup).
These models offer the flexibility of running on both gasoline and propane, providing a reliable power source during outages. Choosing the right generator ensures your essential appliances and systems remain operational, offering peace of mind and energy independence when the grid fails. The ability to switch fuels adds a significant layer of convenience and preparedness.
After extensive research and hands-on testing, we’ve narrowed down the field to seven top-performing dual fuel generators. Our evaluation focused on key factors such as For those prioritizing clean power, our guide to dual fuel inverter generators for whole house backup offers more specialized options.starting wattage, running wattage, fuel efficiency, and durability to help you find the perfect fit for your home’s needs. Continue reading for a detailed comparison of each model to make an informed decision.
3 Standout Picks: Ultimate Fuel Versatility, Tri-Fuel Home Power, and Versatile Home Backup
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.
Westinghouse WGen11500TFc
- Tri-fuel: Gas, Propane, NG
- 11,500 running watts (Gas)
- Low THD for electronics
DuroStar DS13000MXT
- Tri-fuel: Gas, Propane, NG
- 13,000 peak watts
- CO Alert safety
Westinghouse WGen11500DFc
- 11,500 running watts (Gas)
- Dual fuel: Gas/Propane
- Low THD for electronics
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.

- Tri-fuel: Gas, Propane, NG
- 11,500 running watts (Gas)
- Low THD for electronics

- Tri-fuel: Gas, Propane, NG
- 13,000 peak watts
- CO Alert safety

- 11,500 running watts (Gas)
- Dual fuel: Gas/Propane
- Low THD for electronics

- 9500 running watts (Gas)
- Remote electric start
- Transfer switch ready

- 13,000 watts dual fuel
- CO Alert safety
- Transfer switch ready

- 13,000 peak watts
- Dual fuel (Gas/Propane)
- All metal construction

- 13,000 watts dual fuel
- CO Alert safety
- Transfer switch ready
7 Models Reviewed in Depth
#1. Westinghouse WGen11500TFc

Gas/Propane/NG
Electronics Safe
Power Backup
You’ll be impressed by the Westinghouse WGen11500TFc’s unparalleled fuel flexibility, running smoothly on gasoline, propane, or even natural gas. This tri-fuel capability, combined with a substantial 11,500 running watts on gasoline, makes it exceptionally versatile for whole-home backup or remote power needs. The low Total Harmonic Distortion (THD) ensures your sensitive electronics are safe, a crucial feature for modern homes.
While its 230-pound weight requires some effort to move, the included wheel kit helps. This generator is the top pick for anyone who values maximum fuel choice and reliable power for a large home, but if you primarily need a lightweight unit for occasional use, this might be more than you require.
Pros
- Runs on three fuel types
- High power output
- Safe for sensitive electronics
Cons
- Heavy at 230 pounds
- Natural gas requires connection
- Propane runtime is shorter
Specifications
#2. DuroStar DS13000MXT

Gas/Propane/NG
Power Backup
Safety Shutdown
You’ll appreciate the DuroStar DS13000MXT for its exceptional tri-fuel capability, allowing you to run on gasoline, propane, or natural gas – offering unmatched fuel flexibility for home backup. It delivers a powerful 13,000 peak watts, easily capable of running your entire home’s essential systems, including the central air conditioning. The integrated CO Alert system automatically shuts down the generator if harmful fumes are detected, ensuring your family’s safety.
While it offers incredible versatility, its substantial size and weight (around 230 lbs) mean portability is limited, though the included wheel kit helps. This generator is ideal for homeowners who want the ultimate in fuel choice and robust power for emergencies, but if you need a lightweight, portable unit, this might be more than necessary.
Pros
- Runs on three fuel types
- High starting and running watts
- Includes CO Alert safety feature
Cons
- Heavy and less portable
- Natural gas requires connection
- Assembly is required
Specifications
#3. Westinghouse WGen11500DFc

Gas & Propane
Electronics Safe
Power Backup
You’ll appreciate the Westinghouse WGen11500DFc for its robust power and dual fuel capability, making it a strong contender for whole-home backup. With 11,500 running watts on gasoline, it can handle demanding appliances, and the low THD ensures your sensitive electronics are protected. The extended runtime, up to 19 hours on a full tank of gas, provides significant peace of mind during extended outages.
While it offers good portability for its power class, its 230-pound weight means it’s not a lightweight unit. This generator is an excellent choice for homeowners needing reliable, high-capacity backup power with the flexibility of dual fuel, but if you prioritize extreme portability, you might consider smaller models.
Pros
- High running watts for demanding loads
- Safe for sensitive electronics
- Long runtime on gasoline
Cons
- Heavy at 230 pounds
- Propane runtime is shorter
- Requires some assembly
Specifications
#4. Westinghouse WGen9500DF

Key Fob
Gas & Propane
Ready Outlet
You’ll love the Westinghouse WGen9500DF for its impressive combination of power and user-friendly features, making it a top contender for home backup. The remote start key fob is a standout convenience, alongside the electric start and clear fuel gauge. With 9500 running watts on gasoline and dual fuel capability, it’s well-equipped to handle significant home loads, including your central AC.
While it offers good portability for its size, it still weighs 210 pounds, so keep that in mind. This generator is perfect for those who value convenience and robust features for home backup, but if you need the absolute highest wattage or a lighter unit, you might explore other options.
Pros
- Convenient remote start included
- Powerful for home essentials
- Dual fuel capability
Cons
- Heavy at 210 pounds
- Propane wattage is lower
- Assembly required
Specifications
#5. DuroMax XP13000HX

Power Backup
Gas & Propane
Safety Feature
You’ll appreciate the robust power of the DuroMax XP13000HX, capable of keeping your entire home running during an outage. Its dual fuel capability offers great flexibility, allowing you to choose between gasoline or propane based on availability and preference. The inclusion of CO Alert and a transfer switch-ready 50 amp outlet makes it a safe and convenient choice for whole-home backup.
However, consider its substantial weight of 245 pounds; while it has wheels, portability is still a factor. This generator is ideal for homeowners seeking reliable backup power with versatile fuel options, but it might be overkill if you only need to power a few essential items.
Pros
- Massive power output for whole-home needs
- Runs on gasoline or propane
- Equipped with safety features like CO Alert
Cons
- Heavy at 245 pounds
- Larger footprint than smaller generators
- Propane runtime may vary
Specifications
#6. DuroMax XP13000EH

Backup Power
Gas & Propane
All Metal
You’ll find the DuroMax XP13000EH to be a powerful and dependable generator, easily handling whole-home backup needs with its 13,000 watts of peak power. Its dual fuel capability offers flexibility, and the robust all-metal construction ensures it can withstand tough conditions. The push-button start and user-friendly interface add to its convenience.
While it boasts impressive power, its 234-pound weight means it’s not the most portable option. This generator is an excellent choice for homeowners prioritizing consistent power and durability for emergencies, though those needing extreme portability might look elsewhere.
Pros
- High power output for large loads
- Durable all-metal construction
- Flexible dual fuel operation
Cons
- Heavy and less portable
- Runtime on propane can vary
- Requires assembly of wheel kit
Specifications
#7. DuroStar DS13000MX

Power Backup
Gas/Propane
Safety Shutdown
You’ll find the DuroStar DS13000MX delivers substantial power for whole-home backup, easily handling essentials like lights, appliances, and even your central AC. Its dual fuel capability offers flexibility, and the built-in CO Alert provides peace of mind. The transfer switch-ready 50-amp outlet simplifies connection to your home’s electrical system.
With a weight of 220 pounds, it’s a considerable unit, though the included wheel kit aids mobility. This generator is a strong choice for homeowners needing reliable, high-output backup power, but if portability is your absolute top priority, you might find it a bit cumbersome.
Pros
- Excellent power for home backup
- Dual fuel capability
- Integrated CO safety sensor
Cons
- Heavy at 220 pounds
- Propane runtime can be variable
- Requires some assembly
Specifications

Powering Through the Dark: Your Guide to Small Dual Fuel Whole House Generators
When the lights go out, a reliable generator can be a true lifesaver, especially if you’re aiming for whole-house backup. But with so many options, choosing the right small dual-fuel generator for your needs requires a thoughtful approach. This isn’t just about powering a few essentials; it’s about maintaining comfort and security when the grid fails. Investing time now will ensure you select a unit that reliably keeps your home running when you need it most.
Decoding the Demands of Your Home’s Needs
Before you even look at models, understand what your home truly requires. Fuel Flexibility is a hallmark of dual-fuel generators, offering the choice between gasoline and propane. Consider which fuel source is more readily available and cost-effective for you during an extended outage. Continuous and Peak Wattage are critical; continuous wattage is what the generator can sustain, while peak wattage is its short-term surge capability for starting appliances like refrigerators or air conditioners. You’ll need to calculate the combined wattage of your essential appliances to ensure the generator can handle the load. Portability and Storage are also key for smaller units; think about where you’ll keep it when not in use and if you’ll need to move it during operation. Finally, Noise Level can be a significant factor, especially if you have close neighbors or prefer a quieter environment.
Sidestepping Common Generator Shopping Stumbles
- Underestimating Your Power Requirements: Many people fail to accurately calculate the total wattage needed to run their essential appliances. This can lead to a generator that struggles or can’t power everything you expect.
- Overlooking Fuel Storage and Safety: Dual-fuel generators offer flexibility, but you need a plan for storing both gasoline and propane safely and efficiently.
- Ignoring Maintenance Needs: Generators require regular upkeep to ensure they’re ready when needed. Failing to factor in maintenance can lead to a unit that won’t start during an emergency.
Powering Your Peace of Mind: Your Final Generator Pick
For ultimate fuel flexibility and whole-house coverage, the Westinghouse 14500 Peak Watt Tri-Fuel generator is your champion. If you need robust power and the convenience of tri-fuel without breaking the bank, the DuroStar DS13000MXT is a solid contender. For reliable dual-fuel backup that won’t quit, the Westinghouse 12500 Watt Dual Fuel and DuroMax XP13000HX models are top-tier choices.
No matter your specific needs, each of these generators offers robust performance for whole-home backup. Don’t wait for the next outage – check current availability through the provided buttons to secure your chosen generator today!
Final 3 Picks: Ultimate Fuel Versatility, Tri-Fuel Home Power, and Versatile Home Backup
Ready to decide? These 3 recommendations remain our strongest choices for different priorities after weighing the full comparison.
Westinghouse WGen11500TFc
- Tri-fuel: Gas, Propane, NG
- 11,500 running watts (Gas)
- Low THD for electronics
DuroStar DS13000MXT
- Tri-fuel: Gas, Propane, NG
- 13,000 peak watts
- CO Alert safety
Westinghouse WGen11500DFc
- 11,500 running watts (Gas)
- Dual fuel: Gas/Propane
- Low THD for electronics
