Westinghouse 18000W Dual-Fuel Generator Alternatives: 6 Similar Picks Compared
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The Westinghouse 18000W Dual-Fuel Generator delivers massive power for whole-home backup. You get 18,000 peak watts on gas and a CO sensor for safety. However, its 352-pound weight and large footprint limit portability. You might want a lighter option or a different wattage for your specific needs. This list of 6 Westinghouse 18000 peak watt dual alternatives covers similar high-capacity generators. Each pick shares key specifications with the original model.
We selected these alternatives because their specs overlap with the Westinghouse unit. You will find options with lower running watts, such as 9,500 or 13,000 watts, for smaller homes. Some models offer inverter technology for cleaner power or parallel capability for increased output. Others provide different fuel efficiencies or start types. All units remain transfer switch ready for home integration. You can compare these specs to find the right balance of power, size, and features for your situation. Each generator offers distinct advantages depending on your backup power requirements.
How these alternatives differ
Westinghouse 12500W Dual-Fuel Generator with CO Sensor
The Westinghouse 12500W Dual-Fuel Generator offers a more manageable size for homeowners who need less raw power. It provides 12,500 peak watts on gas, which is significantly lower than the 18,000 watts of the original model. At 212 pounds, it is much lighter and easier to move than the 352-pound original. You still get a CO sensor and transfer switch readiness for safe home backup. This pick suits you if your energy needs are moderate and you value easier handling over maximum output capacity.
Westinghouse 6600W Dual Fuel Generator
The Westinghouse 6600W Dual Fuel Generator is a compact choice for smaller backup needs. It delivers 6,600 peak watts, which is far less than the 18,000 watts of the original. Its weight is only 136 pounds, making it highly portable compared to the heavy original unit. You retain essential features like remote start, CO sensor protection, and transfer switch compatibility. This model is ideal for you if you only need to power essential circuits during outages and prioritize a lightweight, easy-to-store generator over high-wattage capacity.
Westinghouse 12500-Watt EFI Dual Fuel Generator
The Westinghouse 12500W EFI Dual Fuel Generator adds electronic fuel injection for easier starting and better fuel efficiency. It produces 12,500 peak watts, which is less than the original but still substantial for home backup. Weighing 221 pounds, it is lighter than the original 352-pound model. You get a CO sensor and transfer switch readiness for safety and integration. This option fits buyers who want reliable remote operation and modern engine technology without the bulk and extreme wattage of the largest Westinghouse generator in this lineup.
Westinghouse 12000W Dual-Fuel Inverter Generator
The Westinghouse 12000W Dual-Fuel Inverter Generator stands out with parallel capability, allowing you to connect multiple units for more power. It offers 12,000 peak watts, which is lower than the original but sufficient for many homes. At 187 pounds, it is significantly lighter and more portable. You still benefit from a CO sensor and transfer switch readiness. This pick is best for you if you anticipate growing power needs and want the flexibility to expand your system later, rather than buying one massive generator upfront.
Westinghouse 14500W Dual Fuel Portable Generator
The Westinghouse 14500W Dual Fuel Portable Generator sits between the original and smaller models in terms of power and size. It provides 14,500 peak watts, which is less than the 18,000 watts of the original. Weighing 230 pounds, it is considerably lighter and easier to maneuver. It includes transfer switch readiness for home integration. This model suits you if you need substantial power for larger homes but find the original too heavy or bulky. You trade some peak wattage for a more practical weight and footprint.
DuroStar 13,000-Watt Dual Fuel Generator
The DuroStar 13,000-Watt Dual Fuel Generator offers a different brand option with similar transfer switch readiness. It delivers 13,000 peak watts, which is less than the original 18,000 watts. At 220 pounds, it is lighter than the original Westinghouse model. You get electric and remote start capabilities for convenience. This generator is a robust alternative for homeowners who want high capacity but prefer a lighter unit. You sacrifice the specific Westinghouse features and higher wattage for a different brand that still supports essential home backup needs.
Quick picks
Our 7 picks
Westinghouse 18000W Dual-Fuel Generator
Best for: whole-home backup with high wattage needs
- Running Wattage
- 14,500 W
- Surge Wattage
- 18,000 W
- Fuel Type
- Dual Fuel (Gasoline, Propane)
- Output Ports
- 50A and 30A outlets
- Application
- Home
- Start Type
- Electric Start, Remote Start
The Westinghouse WGen14500DFc delivers 18,000 peak watts on gasoline and 16,000 on propane. Its 713cc V-Twin engine powers larger homes for up to 16 hours on gas. You get transfer switch ready outlets and a CO sensor for safety. The low idle mode and 74 dBA noise level make it suitable for extended use. It is built for heavy backup power needs.
Pros
- 18,000 peak watts on gasoline for high demand loads
- CO sensor with automatic shutdown for enhanced safety
- Transfer switch ready with 14-50R and L14-30R outlets
- Runs up to 16 hours at 25% load on gas
- Low THD under 5% protects sensitive electronics
Cons
- Heavy at 352 pounds, making it difficult to move
- Large footprint measures 34 x 31 x 35 inches
- Limited to 74 dBA noise level, not ultra-quiet
Good fit if
- You need to power a large home during outages
- You require transfer switch ready connections for whole-house backup
- You want the safety of a built-in carbon monoxide sensor
Skip if
- You need a lightweight unit for easy transport
- You require quiet operation under 60 dBA
- You have limited storage space for large equipment
Verdict: Westinghouse 18000W Dual Fuel Generator provides massive power for whole-home backup with essential safety features. It fits buyers who prioritize high wattage and transfer switch compatibility over portability and silence.
Westinghouse 12500W Dual-Fuel Generator with CO Sensor
Best for: Whole-home backup power needs
- Running Wattage
- 9500W (Gas) / 8500W (Propane)
- Surge Wattage
- 12500W (Gas) / 11200W (Propane)
- Fuel Type
- Dual Fuel (Gas, Propane)
- Voltage
- 120V, 120/240V
- Application
- Home
- Start Type
- Electric Start, Remote Start
View on Amazon: Westinghouse 12500W Dual-Fuel Generator with CO Sensor
This Westinghouse unit delivers 9,500 running watts on gasoline and 8,500 on propane. It features a 457cc engine with a cast iron sleeve and a CO shutdown sensor. The remote start key fob adds convenience, while the transfer switch ready design supports home backup. You get multiple outlets, including RV-ready options, making it a solid choice for whole-house power needs.
Pros
- 12,500 peak watts on gasoline
- Remote start key fob included
- CO shutdown safety sensor
- Transfer switch ready capability
- RV-ready 120/240V outlet
Cons
- Heavier at 212 pounds
- Lower propane wattage output
- Requires manual fuel gauge check
Good fit if
- You need whole-home backup power
- You want remote start convenience
- You plan to use propane fuel
Skip if
- You prefer lightweight portability
- You need maximum propane efficiency
- You want inverter technology
Verdict: Westinghouse 12500W Dual Fuel Home Generator suits homeowners needing reliable 9,500-watt backup with remote start convenience. Its transfer switch readiness and CO sensor make it a safe, practical option for essential home circuits.
Westinghouse 6600W Dual Fuel Generator
Best for: home backup with transfer switch readiness
- Running Wattage
- 5300 W (Gas), 4800 W (Propane)
- Surge Wattage
- 6600 W (Gas), 5900 W (Propane)
- Fuel Type
- Dual Fuel
- Voltage
- 120/240V
- Application
- Home, RV
- Start Type
- Electric Start, Remote Start
This Westinghouse unit offers 6600 peak watts on gasoline and 5900 on propane. It features a 274 cc engine with electric start and a remote key fob. The 4.7-gallon tank provides up to 14.5 hours of runtime. You get a transfer-switch-ready outlet and CO shutdown safety. It is a solid backup option for homes needing moderate power without the bulk of larger models.
Pros
- Dual fuel capability with 6600W gasoline and 5900W propane peak output
- Remote electric start via included key fob
- Transfer switch ready L14-30R outlet for home backup
- Automatic low oil and carbon monoxide shutdown protection
Cons
- Lower peak wattage than the 12,500W and 18,000W alternatives on this list
- Heavier build at 136 pounds compared to inverter models
- No Bluetooth or smartphone app connectivity mentioned
Good fit if
- You need transfer switch ready capability for home backup
- You prefer the convenience of remote electric start
- You want dual fuel flexibility for propane or gasoline
Skip if
- You require high wattage for heavy industrial loads
- You need a lightweight unit for frequent transport
- You want smart app control for monitoring
Verdict: Westinghouse 6600W Dual Fuel Portable Generator suits homeowners needing reliable backup power with transfer switch readiness. It fits users who value remote start convenience and dual fuel options over raw wattage capacity.
Westinghouse 12500-Watt EFI Dual Fuel Generator
Best for: Home backup with remote start
- Running Wattage
- 9,500W gas / 8,500W propane
- Surge Wattage
- 12,500W gas / 11,200W propane
- Fuel Type
- Dual Fuel (Gas, Propane)
- Voltage
- 120V/240V, 120V
- Application
- Home
- Start Type
- Electric Start, Remote Start
View on Amazon: Westinghouse 12500-Watt EFI Dual Fuel Generator
This Westinghouse generator delivers 12,500 peak watts on gasoline and 11,200 on propane. It features a 457cc engine with electronic fuel injection for reliable starts. You get remote electric start and a transfer switch-ready design. The unit weighs 221 pounds and includes a CO sensor. It suits homeowners needing robust backup power with fuel flexibility for extended runtime.
Pros
- 12,500 peak watts on gasoline
- Electronic fuel injection for easy starting
- Remote electric start with key fob
- Transfer switch ready for home backup
- Built-in CO sensor for safety
Cons
- Heavy at 221 pounds
- No smartphone app control listed
- Smaller capacity than the 18,000W model
Good fit if
- You need transfer switch ready outlets
- You want remote start convenience
- You prefer propane flexibility
Skip if
- You require the highest wattage available
- You cannot lift 221 pounds
- You need app-based monitoring
Verdict: Westinghouse 12500W Dual Fuel EFI offers a balanced mix of power and convenience for home backup. It fits buyers who value remote operation and safety sensors over maximum raw output.
Westinghouse 12000W Dual-Fuel Inverter Generator
Best for: home backup with parallel capability
- Running Wattage
- 9,000 W (Gas) / 8,100 W (Propane)
- Surge Wattage
- 12,000 W (Gas) / 11,000 W (Propane)
- Fuel Type
- Dual Fuel (Gas, Propane)
- Voltage
- 120V / 240V
- Start Type
- Electric Start, Remote Start
- Features
- CO Sensor, Transfer Switch Ready, Parallel Capable
View on Amazon: Westinghouse 12000W Dual-Fuel Inverter Generator
The Westinghouse iGen12000DFc is a dual fuel inverter generator delivering 12,000 peak watts on gasoline. It features parallel capability to double output, making it suitable for larger home backups. The unit runs up to 19 hours on a 7.9-gallon tank and includes a remote start key fob. With a CO sensor and transfer switch ready outlets, it offers safe, quiet operation for sensitive electronics.
Pros
- Parallel capable to double output
- 12,000W peak on gasoline
- Remote start key fob included
- CO sensor for safety
Cons
- Heavier at 187 pounds
- Lower propane peak wattage
- No smartphone app control
Good fit if
- You need parallel capability
- You want remote start
- You require transfer switch readiness
Skip if
- You prefer lighter units
- You need tri-fuel options
- You want smartphone app control
Verdict: Westinghouse iGen12000DFc 12000W Dual Fuel Inverter fits users needing parallel capability and remote start for home backup.
Westinghouse 14500W Dual Fuel Portable Generator
Best for: Whole-home backup with remote start
- Running Wattage
- 11,500 W
- Surge Wattage
- 14,500 W
- Fuel Type
- Dual Fuel (Gas and Propane)
- Output Ports
- 50A and 30A outlets
- Application
- Home
- Start Type
- Electric Start, Remote Start
View on Amazon: Westinghouse 14500W Dual Fuel Portable Generator
This Westinghouse unit delivers 14,500 peak watts on gasoline and 13,500 on propane. It features a 550cc engine with copper windings for durability. The 9.5-gallon tank provides up to 19 hours of runtime. You get remote electric start and transfer switch readiness. It suits larger homes needing reliable backup power for sensitive electronics during outages.
Pros
- 14,500 peak watts on gasoline
- 19-hour runtime on gasoline
- Remote electric start included
- Transfer switch ready design
- Low THD for sensitive electronics
Cons
- Weighs 230 pounds
- Limited to 7 hours on propane
- No inverter technology listed
Good fit if
- You need high wattage for whole-home backup
- You want remote start convenience
- You plan to connect a transfer switch
Skip if
- You need portability under 200 pounds
- You require inverter-grade clean power
- You prefer propane-only operation
Verdict: Westinghouse 14500W Dual Fuel Generator offers substantial power for larger homes. It fits buyers who prioritize runtime and remote control over lightweight portability.
DuroStar 13,000-Watt Dual Fuel Generator
Best for: whole-home backup with propane flexibility
- Fuel Type
- Dual Fuel (Gas and Propane)
- Output Ports
- 50A outlet
- Application
- Home, Emergency, RV
- Start Type
- Electric Start, Remote Start
- Features
- Transfer Switch Ready
- Dimensions
- 29.8 × 27.5 × 25.8 inches
The DuroStar DS13000MX delivers 13,000 watts of power for home backup or RV use. It runs on gasoline or propane, giving you fuel flexibility. The unit includes a 50-amp outlet, making it transfer switch-ready for whole-home coverage. You get remote electric start and a CO Alert that shuts the engine down if dangerous carbon monoxide levels are detected. It is built with a heavy-duty steel frame.
Pros
- Dual fuel capability for gasoline or propane
- 50-amp outlet supports transfer switch connection
- Remote electric start for easy operation
- CO Alert safety shutdown feature
Cons
- 220-pound weight makes it heavy to move
- No inverter technology for sensitive electronics
- Lacks a digital display for monitoring
Good fit if
- You need high wattage for whole-home backup
- You want propane flexibility for longer run times
- You require a transfer switch ready outlet
Skip if
- You need quiet operation for camping
- You want to power sensitive electronics directly
- You need a lightweight portable unit
Verdict: DuroStar DS13000MX 13000W Dual Fuel is a robust option for homeowners needing high capacity backup power with fuel flexibility. It suits those who prioritize raw wattage and safety features over portability or clean power for delicate devices.
Specifications side by side
| Spec | Westinghouse 18000W Dual-Fuel Generator | Westinghouse 12500W Dual-Fuel Generator with CO Sensor | Westinghouse 6600W Dual Fuel Generator | Westinghouse 12500-Watt EFI Dual Fuel Generator | Westinghouse 12000W Dual-Fuel Inverter Generator | Westinghouse 14500W Dual Fuel Portable Generator | DuroStar 13,000-Watt Dual Fuel Generator |
|---|---|---|---|---|---|---|---|
| Running Wattage | 14,500 W | 9500W (Gas) / 8500W (Propane) | 5300 W (Gas), 4800 W (Propane) | 9,500W gas / 8,500W propane | 9,000 W (Gas) / 8,100 W (Propane) | 11,500 W | not specified |
| Surge Wattage | 18,000 W | 12500W (Gas) / 11200W (Propane) | 6600 W (Gas), 5900 W (Propane) | 12,500W gas / 11,200W propane | 12,000 W (Gas) / 11,000 W (Propane) | 14,500 W | not specified |
| Fuel Type | Dual Fuel (Gasoline, Propane) | Dual Fuel (Gas, Propane) | Dual Fuel | Dual Fuel (Gas, Propane) | Dual Fuel (Gas, Propane) | Dual Fuel (Gas and Propane) | Dual Fuel (Gas and Propane) |
| Output Ports | 50A and 30A outlets | not specified | not specified | not specified | not specified | 50A and 30A outlets | 50A outlet |
| Voltage | not specified | 120V, 120/240V | 120/240V | 120V/240V, 120V | 120V / 240V | not specified | not specified |
| Application | Home | Home | Home, RV | Home | not specified | Home | Home, Emergency, RV |
| Start Type | Electric Start, Remote Start | Electric Start, Remote Start | Electric Start, Remote Start | Electric Start, Remote Start | Electric Start, Remote Start | Electric Start, Remote Start | Electric Start, Remote Start |
| Features | CO Sensor, Transfer Switch Ready | CO Sensor, Transfer Switch Ready | CO Sensor, Transfer Switch Ready | CO Sensor, Transfer Switch Ready | CO Sensor, Transfer Switch Ready, Parallel Capable | Transfer Switch Ready | Transfer Switch Ready |
| Dimensions | 34 × 31 × 35 inches | 27.2 × 26.1 × 26.5 inches | 23.4 × 20.6 × 19.5 inches | 27.3 × 22.6 × 22.6 inches | 30.2 × 25.2 × 26.6 inches | 28.9 × 29.6 × 26.9 inches | 29.8 × 27.5 × 25.8 inches |
| Weight | 352 pounds | 212 pounds | 136 pounds | 221 pounds | 187 pounds | 230 pounds | 220 pounds |
| Size | 18000 Watts - Dual Fuel - CO Sensor | 12500W Dual Fuel + CO Sensor | not specified | not specified | not specified | not specified | not specified |
| Color | Blue | Blue | Blue | Black | Blue | Blue | Black/Red |
| Model | WGen14500DFc | WGen9500DFc | WGen5300DFc | WGen9500DFc EFI | iGen12000DFc | WGen11500DFc | DS13000MX |
Frequently asked questions
Which Westinghouse generator is best for whole-home backup?
The Westinghouse 18000W Dual-Fuel Generator is the top choice for whole-home backup with high wattage needs. It delivers 18,000 peak watts on gas and includes a CO sensor for safety. This model is transfer switch ready and features remote start. Its large size suits stationary home use rather than portable applications.
Is there a lighter Westinghouse dual-fuel option?
The Westinghouse 6600W Dual Fuel Generator is the lightest option at 136 pounds. It provides 6,600 peak watts on gas and is suitable for home or RV use. This model includes a CO sensor, transfer switch readiness, and remote start. It is ideal for users who prioritize portability over maximum power output.
Can I parallel Westinghouse generators for more power?
Yes, the Westinghouse iGen12000DFc is the only parallel-capable model in this list. It delivers 12,000 peak watts on gas and weighs 187 pounds. This inverter generator supports parallel operation for increased capacity. It also features a CO sensor, transfer switch readiness, and remote start for convenient home backup.
Does the DuroStar 13000W have a CO sensor?
The DuroStar DS13000MX does not list a CO sensor in its specifications. It offers 13,000 peak watts on gas and is transfer switch ready. This generator weighs 220 pounds and includes electric and remote start. It is designed for whole-home backup with propane flexibility, lacking the specific safety sensor found in other models.
Which model weighs the least?
The Westinghouse 6600W Dual Fuel Generator is the lightest at 136 pounds. It measures 20.6 inches wide and 23.4 inches long. This model is suitable for home or RV use. It includes remote start and transfer switch readiness. Its compact size makes it easier to move compared to the heavier 18,000-watt alternative.
Are all these generators transfer switch ready?
All listed generators except the DuroStar 13000W are transfer switch ready. The Westinghouse 18000W, 12500W, 6600W, 12500W EFI, 12000W Inverter, and 14500W models all support transfer switch connection. The DuroStar DS13000MX is also transfer switch ready. This feature allows direct connection to your home’s electrical panel for seamless backup power.
Which generator has the largest footprint?
The Westinghouse 18000W Dual-Fuel Generator has the largest footprint at 31 inches wide and 34 inches long. It weighs 352 pounds, making it the heaviest and bulkiest option. This model is designed for stationary whole-home backup. Its dimensions limit portability, requiring a dedicated space for installation and operation.






