Top 7 Best Small Dual Fuel Generator For Whole House Backup

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.

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.

#1
Westinghouse WGen11500TFc
Westinghouse WGen11500TFc
Ultimate Fuel Versatility★4.8
  • Tri-fuel: Gas, Propane, NG
  • 11,500 running watts (Gas)
  • Low THD for electronics
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#2
DuroStar DS13000MXT
DuroStar DS13000MXT
Tri-Fuel Home Power★4.4
  • Tri-fuel: Gas, Propane, NG
  • 13,000 peak watts
  • CO Alert safety
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#3
Westinghouse WGen11500DFc
Westinghouse WGen11500DFc
Versatile Home Backup★4.7
  • 11,500 running watts (Gas)
  • Dual fuel: Gas/Propane
  • Low THD for electronics
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#4
Westinghouse WGen9500DF
Westinghouse WGen9500DF
Feature-Rich Power★4.7
  • 9500 running watts (Gas)
  • Remote electric start
  • Transfer switch ready
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#5
DuroMax XP13000HX
DuroMax XP13000HX
Whole Home Power★4.5
  • 13,000 watts dual fuel
  • CO Alert safety
  • Transfer switch ready
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#6
DuroMax XP13000EH
DuroMax XP13000EH
Reliable Home Backup★4.5
  • 13,000 peak watts
  • Dual fuel (Gas/Propane)
  • All metal construction
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#7
DuroStar DS13000MX
DuroStar DS13000MX
Powerful Home Backup★4.4
  • 13,000 watts dual fuel
  • CO Alert safety
  • Transfer switch ready
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7 Models Reviewed in Depth

#1. Westinghouse WGen11500TFc

Westinghouse WGen11500TFc
Tri-Fuel
Gas/Propane/NG
Low THD
Electronics Safe
Whole Home
Power Backup
Ultimate Fuel Versatility
93
OVERALL
SCORE
Fuel Versatility
10.0
Power Output
9.5
Electronics Safety
9.0
Runtime
8.5
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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

Brand
Westinghouse
Model
WGen11500TFc
Fuel Type
Gas, Propane, Natural Gas
Starting Wattage
14500 watts
Running Wattage
11500 watts
Engine Displacement
550 cc
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#2. DuroStar DS13000MXT

DuroStar DS13000MXT
Tri-Fuel
Gas/Propane/NG
Whole Home
Power Backup
CO Alert
Safety Shutdown
Tri-Fuel Home Power
92
OVERALL
SCORE
Fuel Versatility
9.8
Power Output
9.5
Safety Features
9.0
Runtime
8.5
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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

Brand
DuroStar
Model
DS13000MXT
Fuel Type
Gasoline, Propane, Natural Gas
Starting Wattage
13000 watts
Running Wattage
10500 watts
Engine Displacement
500 cc
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#3. Westinghouse WGen11500DFc

Westinghouse WGen11500DFc
Dual Fuel
Gas & Propane
Low THD
Electronics Safe
Whole Home
Power Backup
Versatile Home Backup
91
OVERALL
SCORE
Power Output
9.4
Fuel Options
9.0
Electronics Safety
9.0
Runtime
8.5
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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

Brand
Westinghouse
Model
WGen11500DFc
Fuel Type
Gasoline, Propane
Starting Wattage
14500 watts
Running Wattage
11500 watts
Engine Displacement
550 cc
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#4. Westinghouse WGen9500DF

Westinghouse WGen9500DF
Remote Start
Key Fob
Dual Fuel
Gas & Propane
Transfer Switch
Ready Outlet
Feature-Rich Power
90
OVERALL
SCORE
Power Output
9.2
Convenience
9.5
Fuel Options
8.8
Portability
8.0
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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

Brand
Westinghouse
Model
WGen9500DF
Fuel Type
Gasoline, Propane
Starting Wattage
12500 watts
Running Wattage
9500 watts
Engine Displacement
457 cc
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#5. DuroMax XP13000HX

DuroMax XP13000HX
Whole Home
Power Backup
Dual Fuel
Gas & Propane
CO Alert
Safety Feature
Whole Home Power
88
OVERALL
SCORE
Power Output
9.5
Fuel Flexibility
9.0
Safety Features
8.5
Durability
8.8
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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

Brand
DuroMax
Model
XP13000HX
Fuel Type
Gasoline / Propane
Starting Wattage
13000 watts
Running Wattage
10500 watts
Engine Displacement
500 cc
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#6. DuroMax XP13000EH

DuroMax XP13000EH
Whole Home
Backup Power
Dual Fuel
Gas & Propane
Heavy Duty
All Metal
Reliable Home Backup
87
OVERALL
SCORE
Power Output
9.4
Durability
9.0
Fuel Options
8.5
Ease of Use
8.0
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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

Brand
DuroMax
Model
XP13000EH
Fuel Type
Gasoline/Propane
Starting Wattage
13000 watts
Running Wattage
10500 watts
Engine Displacement
500 cc
Check Price on Amazon→

#7. DuroStar DS13000MX

DuroStar DS13000MX
Whole Home
Power Backup
Dual Fuel
Gas/Propane
CO Alert
Safety Shutdown
Powerful Home Backup
86
OVERALL
SCORE
Power Output
9.3
Fuel Flexibility
8.5
Safety Features
8.8
Build Quality
8.0
Check Price on Amazon→

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

Brand
DuroStar
Model
DS13000MX
Fuel Type
Gasoline and Propane
Starting Wattage
13000 watts
Running Wattage
10500 watts
Engine Displacement
500 cc
Check Price on Amazon→
Top 7 Best Small Dual Fuel Generator For Whole House Backup

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.