The Best Dual Fuel Generators

The Westinghouse WGen9500DF stands out as a robust dual fuel portable generator designed for American homeowners who demand dependable backup power during storms, blackouts, or rural living. With 12,500 peak watts on gasoline (9,500 running) and strong performance on propane, it effortlessly handles central air conditioners, refrigerators, sump pumps, lights, and entertainment systems all at once, ensuring your family stays comfortable and safe.

Key features shine in real-world use: the remote electric start key fob works from 260 feet, perfect for starting from inside your home, while automatic choke and recoil backup add reliability. Dual fuel capability means you can switch fuels on the fly, with propane offering cleaner operation and long-term storage ideal for emergency preparedness. The intuitive control panel includes GFCI-protected outlets, a 30A L14-30R and 50A 14-50R for transfer switch connection, plus a VFT data center displaying voltage, frequency, and runtime hours for easy monitoring.

Build quality impresses with a 457cc 4-stroke OHV engine featuring a cast iron sleeve for durability against tough US weather, automatic low oil shutdown, and up to 12 hours of runtime on a 6.6-gallon tank. Never-flat wheels, a handle, and lift bracket enhance portability for yards or jobsites, with plug-and-play setup including oil, tools, and a battery charger.

Potential drawbacks include its substantial weight, best managed with the included mobility features, and lack of a CO sensor, so always operate outdoors with proper ventilation. Transfer switches are sold separately but enable seamless integration.

Overall verdict: This generator delivers exceptional value for long-term home protection, backed by a 3-year warranty and lifetime support, making it a top choice for powering through extended outages.

• Versatile dual fuel system offers cleaner propane burning and indefinite storage
• Push-button and remote electric start plus recoil backup for foolproof reliability
• Powers multiple major appliances at once via high-amp transfer switch outlets
• VFT display tracks voltage, frequency, and hours for simple maintenance
• 3-year warranty and lifetime technical support from nationwide network

• No built-in CO sensor requires careful outdoor ventilation monitoring
• Heavy build needs wheels and help for positioning despite portability aids
• Transfer switch and some accessories sold separately for full setup

The Westinghouse WGen5300DFcv stands out as a dual fuel portable generator tailored for American homeowners needing reliable backup power during storms, blackouts, or off-grid adventures. With 5300 running watts on gasoline (6500 peak) and slightly lower on propane, it powers household essentials like refrigerators, lights, and sump pumps, or keeps RV air conditioners humming on road trips.

Key features include an intuitive control panel with yellow touchpoints for effortless startup and fuel switching even while running. The RV-ready TT-30R 30A outlet and transfer switch-compatible L14-30R 30A outlet eliminate cord clutter, delivering clean 120/240V power directly to your setup. A standout safety element is the advanced CO sensor that monitors air quality and auto-shuts down before levels turn hazardous, giving peace of mind for families with kids or pets.

Built for real-world durability, the 274cc 4-stroke OHV engine features a cast iron sleeve for longevity in humid summers or freezing winters. Automatic low oil shutdown and a fuel gauge prevent surprises, while the 4.7-gallon tank supports up to 14.5 hours of runtime at half load. Maneuverability shines with a hardened steel tube frame and never-flat wheels, ideal for navigating uneven yards or driveways.

Setup is straightforward with included oil, funnel, propane hose, regulator, tool kit, wheel kit, and manual; minimal assembly gets it ready fast. It meets EPA and CARB standards for clean operation nationwide. Drawbacks include the lack of remote start and need for separate transfer switch purchase for advanced home use, plus standard generator noise.

Overall, the WGen5300DFcv delivers exceptional value with versatile performance, robust construction, and safety innovations, making it a top choice for proactive homeowners safeguarding against power disruptions.

• Versatile dual fuel system offers fuel flexibility and cleaner propane operation with indefinite storage
• Safety-focused CO detection and low oil shutdown prevent accidents and engine damage
• Multiple 30A outlets support home transfer switches and RVs without extension cord hassles
• Plug-and-play setup with included oil, tools, and propane hose gets you powered up quickly
• Durable build handles demanding American climates for years of reliable service

• No remote start feature requires manual operation in all conditions
• Transfer switch and extension cords sold separately for full home integration
• Typical generator noise level may disturb quiet neighborhoods during extended use

The PowerSmart 3800 Watt Dual Fuel Inverter Generator (model HB5040DC) is a versatile powerhouse designed for American homeowners, campers and RV owners who demand quiet, reliable electricity on demand. With 3800 surge watts on gas (3300 rated) or 3500/3100 on propane, its 149cc 4-stroke OHV engine handles home backups during storms, powers tailgate parties or keeps campsites lit and charged.

Standout features shine in real-world use: the inverter technology delivers pure sine wave power safe for electronics, while the CO sensor provides automatic shutdown for family safety in enclosed spaces. At 70dB from 23 feet, it's quieter than many conversations, perfect for neighborhood compliance or serene outdoor escapes. The 1.3-gallon tank offers up to 10 hours at 25% load, and parallel-ready outlets let you double up for bigger needs like AC units or tools.

Build quality impresses with a rugged, compact frame (21.9 x 13.4 x 19.5 inches) weighing just 50.7 pounds, complete with a carry handle for easy loading into pickups or storage in garages. It thrives in varied US climates thanks to durable components and low-oil shutoff. Drawbacks include manual starting, which can be finicky in damp conditions, and moderate runtime at higher loads requiring propane tank swaps for extended outages.

Overall, this generator excels in delivering portable, safe power with excellent value for everyday emergencies and recreation, earning high marks for performance and convenience.

• Dual fuel versatility ensures fuel flexibility for emergencies or camping.
• Ultra-quiet operation suits residential and outdoor settings.
• Clean power protects sensitive home and RV electronics.
• CO sensor and safety features prioritize family protection.
• Portable design with RV outlet supports diverse American lifestyles.

• Manual start demands physical effort, especially in cooler temperatures.
• Shorter runtime at full loads requires more frequent refueling.
• Weight may hinder easy handling for smaller users over distances.

The WEN DF280iX is a compact dual-fuel inverter generator designed for American homeowners, campers, and tailgaters who need dependable, quiet power without the racket of traditional models. Producing 2800 surge watts on gasoline (2250 rated) or propane (2000 rated), it powers essentials like fridges, lights, tools, and chargers during blackouts or outdoor adventures.

Standout features include the CO Watchdog sensor that detects dangerous fumes and shuts down automatically, fuel shutoff to combat carburetor buildup for longer life, and eco-mode for optimized runtime up to 9 hours on a 1.58-gallon gas tank. Its pure sine wave output keeps total harmonic distortion low, making it safe for laptops, tablets, and TVs. The control panel offers two 120V outlets, a 12V DC, and dual USB ports for versatile connectivity.

Build quality shines with a durable 98cc engine in a lightweight 45-pound frame, easy to tote around yards or campsites. It handles American weather variations well, from humid summers to chilly falls, thanks to protective shutdowns for low oil, fuel, and overloads. Pair two units for more power via an optional kit.

Drawbacks include wattage limits for larger loads and the need for a propane tank. Overall verdict: Excellent choice for portable, safe power that balances performance, quietness, and value for home backup or recreation.

• Provides clean, stable power ideal for sensitive home electronics during outages
• Lightweight design with multiple outlets including USB ports for easy portability and everyday use
• Safety features like CO shutdown and low-oil protection ensure long-term reliability in varied US climates
• Fuel shutoff and eco-mode deliver exceptional value through minimized maintenance and fuel efficiency

• Limited to 2800 surge watts, may not power high-demand whole-home appliances alone
• Propane operation requires a separate tank, adding setup for dual-fuel convenience
• 45-pound weight could challenge users needing frequent one-handed transport

The Westinghouse iGen4000DFc stands out as a premium dual fuel inverter generator delivering 4000 peak watts and 3300 running watts, ideal for RV enthusiasts, campers, and homeowners facing power outages across America's diverse climates. Whether powering a travel trailer at a national park or keeping fridge and lights on during storms, its variable speed engine adjusts output for optimal efficiency, running up to 7 hours on just 1.69 gallons of gas or propane.

Key features shine in real-world scenarios: the RV-ready TT-30R outlet handles air conditioners seamlessly, while low 52 dBA noise lets you enjoy quiet evenings outdoors. Remote start via key fob simplifies use in wet or chilly conditions common in the US, and the rotating LED display tracks voltage, fuel, and hours for proactive maintenance. Built tough with a lightweight frame, telescoping handle, and rugged wheels, it navigates uneven yards or campsites effortlessly, storing compactly in garages or truck beds.

Safety leads with automatic CO and low oil shutdowns, crucial for family use. Total harmonic distortion under 3% ensures stable power for electronics, outperforming traditional generators. Minor drawbacks include the modest fuel capacity for marathon needs and separate propane setup, but overall durability and nationwide service make it a smart long-term investment.

Verdict: A top choice for portable, quiet power that delivers value, reliability, and ease for everyday American adventurers and preppers.

• Versatile dual fuel operation adapts to gas shortages or propane convenience for reliable power
• Exceptional fuel efficiency with up to 7 hours runtime on a small tank saves money over time
• Clean power output safeguards sensitive electronics like laptops and TVs during blackouts
• Portable yet powerful for RVs, tailgating, or yard work without needing a permanent setup
• Backed by strong warranty and nationwide support for peace of mind in any US state

• Small 1.69-gallon gas tank limits continuous runtime for all-day events without refueling
• Propane runtime shorter than gas, requiring larger tanks for extended use
• Not designed for heavy whole-home loads, best for essentials only