Best Dual Fuel Whole House Generators for Reliable Home Backup Power
When it comes to ensuring uninterrupted power to your home during outages or emergencies, a dual fuel whole house generator is an excellent investment. These generators offer flexibility by running on both gasoline and propane, providing greater fuel options and extended run times. In this article, we review some of the best dual fuel generators designed to power entire homes, highlighting their features, power output, and capabilities to help you choose the ideal option for your backup power needs.
| Generator | Brand | Peak Watts | Fuel Types | Special Features |
|---|---|---|---|---|
| DuroMax XP13000EH | DuroMax | 13,000 | Gasoline & Propane | Electric Start, Transfer Switch Ready, Whole Home Backup |
| Westinghouse 12500 Dual Fuel | Westinghouse | 12,500 | Gasoline & Propane | Remote Electric Start, Transfer Switch Ready, Digital Display |
| Westinghouse 14500 Peak Tri-Fuel | Westinghouse | 14,500 | Gasoline, Propane & Natural Gas | Remote Start, Long Run Time, Durable Engine |
| WEN 14500 Tri-Fuel Generator | WEN | 14,500 | Gasoline, Propane & Natural Gas | Transfer Switch Ready, Electric Start, Wheel Kit |
| DuroMax XP12000HX | DuroMax | 12,000 | Gasoline & Propane | CO Alert, Electric Start, All Copper Windings |
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator
The DuroMax XP13000EH offers a powerful 13,000 watts of peak power, capable of running an entire home during power outages. Its dual fuel design allows operation on both gasoline and propane, enhancing fuel flexibility and availability. The generator features an electric start for quick and easy power-up, and it’s transfer switch ready to integrate seamlessly with your home electrical system.
At the core is DuroMax’s robust engine, designed for durability and lasting performance. This model is suitable for emergency backup power and RV use. Its capability to deliver steady power during storms or outages makes it a reliable choice for whole-home energy needs.
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator
The Westinghouse 12500 Dual Fuel generator provides 9,500 running watts and 12,500 peak watts on gasoline, and slightly reduced output on propane. It includes a remote electric start with a key fob for convenience, plus manual recoil start as backup. The fuel tank holds 6.6 gallons, allowing for up to 12 hours of continuous use.
This model features multiple outlets including two standard household receptacles, a transfer switch ready outlet, and RV-ready 120/240V receptacles. The digital VFT display keeps you informed about voltage, frequency, and run time. Its heavy-duty 457cc engine includes cast iron sleeves and automatic low oil shutdown for durability and safety.
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator
The Westinghouse 14500 Peak Tri-Fuel generator expands fuel options further by supporting gasoline, propane, and natural gas. It delivers impressive power with 14,500 peak watts and 11,500 running watts on gasoline, making it ideal for larger homes or heavy-duty professional use.
Its 550cc engine features a durable cast iron sleeve and can run up to 19 hours on a full gasoline tank or 7 hours on a 20 lb propane tank. With remote electric start and transfer switch readiness, it’s designed for seamless home backup. This generator balances power output, fuel versatility, and reliability for demanding users.
WEN 14,500-Watt Tri-Fuel Generator with Electric Start
The WEN 14500 Tri-Fuel Generator offers seamless switching between gasoline, propane, and natural gas via a simple dial, delivering up to 14,500 surge watts on gas. It’s transfer switch ready and operates at both 120V and 240V, making it suitable for whole home emergency power backups.
This generator features an electric start and comes with a wheel kit for enhanced mobility. Powered by a 500cc 4-stroke OHV engine, it balances strong output with convenience and adaptability, giving homeowners flexible fuel choices and stable power in emergencies.
DuroMax XP12000HX 12,000-Watt Dual Fuel Portable Generator
The DuroMax XP12000HX delivers 12,000 watts of dual fuel power to keep your home running smoothly in outages. It features a powerful 457cc OHV engine and all copper windings for enhanced durability and efficiency. The generator includes a carbon monoxide (CO) alert system, increasing safety during operation.
Users enjoy the flexibility of running this generator on gasoline or propane, with propane offering a clean-burning, cost-effective alternative. It is electric start equipped and transfer switch ready, designed to power critical home systems reliably during emergencies.
Buying Guide for Dual Fuel Whole House Generators
Choosing the right dual fuel whole house generator requires consideration of several key factors to ensure you select a unit that fits your power needs and fuel preferences:
Power Output and Running Watts
Determine the total wattage required to power your home’s essential appliances and systems. Generators list both running watts (continuous power) and peak watts (surge power needed for devices like refrigerators). Choose a generator with peak and running wattage above your calculated needs to avoid overloading.
Fuel Type and Flexibility
Dual fuel generators primarily run on gasoline and propane, but some also support natural gas (tri-fuel). Propane offers cleaner emissions, longer shelf life, and easier storage than gasoline, while gasoline typically provides higher power output. Having multi-fuel options increases reliability, especially during fuel shortages.
Run Time and Fuel Tank Capacity
Longer run times mean less frequent refueling during extended outages. Check the fuel tank size and efficiency — larger tanks and lower fuel consumption extend operation. Some models feature fuel gauges and automatic low oil shutdown for added convenience and safety.
Starting Mechanism
Electric start with remote key fob enhances convenience, allowing generator activation without manual effort. Backup recoil start is useful in emergencies if battery power is low. Choose a model that balances ease of use and reliability.
Outlets and Connectivity
Your generator should offer sufficient household and dedicated outlets, including transfer switch ready outlets for home integration, RV-ready plugs, and USB ports. Weatherproof rubber covers improve safety during outdoor use.
Safety Features
Look for generators with features like carbon monoxide (CO) detectors and automatic shutoff, low oil sensors, and overload protection to help prevent accidents and ensure safe operation indoors or near living spaces.
Portability and Noise
Generators with wheels and handles are easier to relocate for storage or use at different sites. Noise levels vary—quieter models are preferable for residential areas. Consider sound rating (decibel levels) if noise is a concern.
By weighing these factors, you can select the best dual fuel whole house generator that meets your power demands, fuel preferences, and safety requirements for reliable home backup power.