Generators have become an essential part of our lives, especially in times of unexpected power outages or when you’re off the grid. And let’s be honest, having a dual fuel generator that runs on both gasoline and propane gives you unmatched flexibility and convenience. Whether you’re prepping for emergencies, heading out on a camping trip, or need backup power for your home, a dual fuel generator offers a perfect solution.
Here, we’ll dive into the 10 best dual fuel generators of 2025, covering their features, runtime, capacity, and why they’re worth considering. Buckle up as we explore these power-packed options!
- With 13,000 watts of power, the XP13000EH Dual Fuel generator will keep your whole home running during a storm or power outage
- DuroMax is the industry leader in Dual Fuel portable generator technology, with a full assortment ranging from digital inverters to generators that can power your entire home
- At the core of all our products resides a robust DuroMax engine. Designed for Power. Designed to Last
- The XP13000EH comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets (including a transfer switch-ready 50 amp outlet)
- Constructed with a heavy-duty all metal frame and power panel – No plastic parts
- 9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); Remote Start With Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6. 6 Gallon Fuel Tank With Fuel Gauge
- Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 14–50R; All Outlets Have Rubber Covers for Added Safety
- Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter. VFT display gives you real time updates with the voltage output, frequency, and lifetime hours
- Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
- Operate your 4000-watt portable generator right out of the box on either gasoline or propane, plus features CO Shield carbon monoxide auto shutoff system
- With an ultra-quiet 64 dBA from 23 feet, enjoy 4000 starting watts, 3000 running watts and up to 10 hours run time on gasoline, and 2700 running watts and up to 25 hours on propane
- The optional, sold-separately parallel kit enables this inverter to connect with another Parallel Ready Champion Inverter or Power Station for more power and longer run time
- Includes a 120V 25A TT-30R outlet, a 120V 20 A household duplex outlet (5-20R) with clean electricity (less than 3% THD), plus a 12V automotive-style outlet, and Parallel outlets
- Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts
- Dual-fuel design runs on both gasoline (3600 surge watts, 2900 rated watts) and propane (3500 surge watts, 2600 rated watts)
- Extremely quiet operation comparable to the sound of a normal conversation according to the US Department of Health and Human Services
- Produces clean power to prevent damage to sensitive electronics such as smartphones, tablets and laptops
- The WEN Watchdog CO Shutdown Sensor helps protect both you and your family by automatically turning off the generator if dangerous levels of carbon monoxide are detected
- Includes fuel shut-off to help limit maintenance, two three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, a tool-free LPG quick-connector, and a three-year warranty
- 2, 200 peak watts/ 1, 800 Rated watts (gas) & 2, 000 peak watts/ 1, 600 Rated watts (LPG)
- 80cc, 3Hp, single cylinder, 4-stroke, OHV, air cooled Engine
- Inverter technology With parallel capability & super quiet operation (60Db)
- (2) 120V 15A AC outlets, (1) 5V integrated USB outlet, parallel sockets
- Stable sine WAVE to use with sensitive electronic equipment & dual fuel capability (gas or LPG)
- Dual Fuel: Operate your 4500-watt portable generator right out of the box on either gasoline or propane, plus features CO Shield carbon monoxide auto shutoff system
- Quiet Technology and Extended Run Time: 61 dBA is great for RVs, tailgating, or camping with 4500 starting watts, 3500 running watts and up to 14 hours run time on gasoline, and 3150 running watts and up to 21 hours on propane
- Parallel Ready: The optional parallel kit (sold separately) enables this inverter to connect with another Champion inverter to increase your power output
- Intelligauge with Power Meter: Monitor voltage, frequency and operating hours with ease, plus the EZ Start Dial simplifies startup
- Champion Support: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts
- 224cc dual-fuel engine runs on both gasoline (6800 surge watts, 5100 rated watts) and propane (6000 surge watts, 4500 rated watts)
- Bonded-neutral 240V configuration provides low-power Level 2 charging for battery and hybrid electric vehicles
- The WEN Watchdog CO Shutdown Sensor helps protect both you and your family by automatically turning off the generator if dangerous levels of carbon monoxide are detected
- Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
- Includes fuel shut-off to help limit maintenance, onboard wheels, a telescoping pull handle, one L14-30R 120V/240V receptacle, two three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, a voltage selector switch, a tool-free LPG quick-connector, a six-foot-long LPG regulator hose, and a three-year warranty
- 4000 Peak Watts and 3300 Rated Watts at Less Than 3% THD – Telescoping Handle – Gas or Propane Powered – Remote Start With Included Key Fob, Electric and Recoil Start
- Features a 5–20R 120V Duplex Household Outlet, an RV-Ready Tt-30R 30 Amp Outlet and Two USB Outlets – Great Choice for Travel Trailers or Home Use with Automatic Low Oil and Carbon Monoxide (CO) Shutdown – Strong Enough to Run All Your Essentials
- Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours
- Extremely Quiet, Extremely Fuel Efficient: as Low as 52 dBA Noise Output and Up to 7 Hour Run Time on a 1.69 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
- Switch between gasoline (4750 surge watts, 3800 running watt) and propane (4350 surge, 3500 running) with the simple turn of the selection dial
- Voltage easily goes from 120V to 240V, perfect for transfer switches and emergency backup
- Electric start powers the 224cc 4-stroke OHV engine with the turn of a key
- 4-gallon tank provides up to 11 hours of half load run time
- Includes two 120V GFCI outlets (5-20R), a 120V/240V NEMA 30A twist lock (L14-30R), a 12V DC cigarette-lighter-style plug, a bottle of oil, a wheel and handle kit, a 47-inch LPG connection hose, and a 2-year warranty
- 3600 Rated Watts & 4650 Peak Watts (Gasoline); 3240 Rated Watts & 4650 Peak Watts (Propane); 4 Gallon Fuel Tank (with Fuel Gauge); Electric Push Button and Remote Start.Noise level : 68 dBA
- Intuitive Control Panel Features a 5-20R 120V Duplex Outlet, an RV-Ready TT-30R 30 Amp Outlet, and an L5-30R 30 Amp Outlet
- 212cc Westinghouse 4-Stroke OHV Engine; Long Lasting Cast Iron Engine Sleeve; Automatic Low Oil Shutdown
- Plug-and-Play Comes With a Propane Regulator Hose, Handle, Heat Resistant Plastic Wheels with Never-Flat Polyurethane Tires, Oil, Funnel, Tool Kit, and User Manual; Minimal Assembly Required.
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA and CARB Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
What is a Dual Fuel Generator, and Why Do You Need One?
Before we jump to the list, let’s cover the basics. A dual fuel generator operates on two types of fuel—gasoline and propane. This versatility means you can switch between fuels based on availability, cost, or your specific needs. Gasoline is widely accessible, while propane burns cleaner and stores longer.
The dual fuel capability makes these generators ideal for a variety of situations, whether you’re dealing with prolonged blackouts, powering a job site, or enjoying an RV adventure.
Top 10 Dual Fuel Generators of 2025
1. Champion 7500-Watt Dual Fuel Generator
If reliability had a face, it’d look a lot like this Champion model. With 7500 watts of power, it’s a powerhouse for homes during outages.
- Runtime: 8 hours on gasoline, 5.5 hours on propane.
- Capacity: 7.7-gallon fuel tank.
- Why It Stands Out: It’s RV-ready, equipped with a 30A outlet, and includes a low-oil shutoff feature for safety.
2. DuroMax XP12000EH
Dubbed the “Beast,” this generator offers serious power for large homes and construction sites.
- Runtime: 9 hours on gasoline, 7 hours on propane.
- Capacity: 8.3-gallon tank.
- Why It Stands Out: It can run high-energy appliances like air conditioners and refrigerators simultaneously.
3. Westinghouse WGen7500DF
Looking for something easy to use? The Westinghouse WGen7500DF comes with a remote start feature.
- Runtime: 10 hours on gasoline, 6 hours on propane.
- Capacity: 6.6-gallon tank.
- Why It Stands Out: Its digital display helps you monitor voltage, runtime, and fuel levels effortlessly.
4. Pulsar G12KBN
If you’re after a generator that balances performance with affordability, Pulsar has you covered.
- Runtime: 12 hours on gasoline, 8 hours on propane.
- Capacity: 8-gallon tank.
- Why It Stands Out: It’s super portable despite its powerful 12,000-watt capacity.
5. Firman H08051
This model combines power, portability, and durability like no other.
- Runtime: 10 hours on gasoline, 7 hours on propane.
- Capacity: 8-gallon tank.
- Why It Stands Out: It’s EPA-approved and CARB-compliant, making it environmentally friendly.
Key Features to Look for in a Dual Fuel Generator
1. Power Output
The wattage determines how much equipment you can power simultaneously. If you’re running heavy-duty appliances, aim for generators with 10,000 watts or more.
2. Runtime
How long the generator runs on a full tank matters, especially during extended outages. Check both gasoline and propane runtimes to suit your needs.
3. Portability
Let’s face it, no one wants to lug around a heavy machine. Look for models with wheels and handles for easy transport.
4. Safety Features
Features like low-oil shutoff, overload protection, and automatic voltage regulation can save you from accidents and extend the life of your generator.
5. Noise Levels
Generators can be noisy, and the last thing you want is a headache from constant buzzing. Go for models with a decibel rating under 75 for quieter operation.
Why Dual Fuel Generators Are Game-Changers
Imagine you’re in the middle of a power outage. Gasoline is running low, but you’ve got a propane tank in the backyard. With a dual fuel generator, switching is seamless, giving you peace of mind and uninterrupted power.
Plus, propane stores longer without degrading, making it a better option for emergencies. Dual fuel generators give you the best of both worlds—more options and less stress.
More Top Picks for 2025
6. Honda EU7000iS
This one’s a quiet champ with inverter technology for sensitive electronics.
- Runtime: 8 hours on gasoline, 6 hours on propane.
- Capacity: 5.1-gallon tank.
- Why It Stands Out: Its fuel efficiency is unbeatable, making it perfect for long-term use.
7. Generac 7043
Generac’s 7043 model is tailored for home standby use, offering maximum power.
- Runtime: Unlimited with a direct propane connection.
- Capacity: Permanent setup with propane supply.
- Why It Stands Out: It’s Wi-Fi enabled, so you can monitor its performance remotely.
8. Predator 9000
Predator delivers on both performance and price, making it a budget-friendly option.
- Runtime: 13 hours on gasoline, 10 hours on propane.
- Capacity: 8-gallon tank.
- Why It Stands Out: It’s compact but doesn’t compromise on power.
9. Wen DF1100T
This is a versatile option for medium-duty tasks.
- Runtime: 8.5 hours on gasoline, 7 hours on propane.
- Capacity: 6.6-gallon tank.
- Why It Stands Out: It has a user-friendly electric start for convenience.
10. Briggs & Stratton 30675
Compact and efficient, this generator is perfect for camping and outdoor events.
- Runtime: 9 hours on gasoline, 6 hours on propane.
- Capacity: 5-gallon tank.
- Why It Stands Out: Its quiet operation ensures you won’t disturb the peace.
Tips for Maintaining Your Dual Fuel Generator
- Regular Oil Changes: Keep the engine running smoothly with fresh oil every 50–100 hours of use.
- Clean the Air Filter: A clogged air filter can reduce efficiency. Clean or replace it regularly.
- Run the Generator Monthly: Even if you don’t need it, running the generator for 15–30 minutes monthly keeps the parts lubricated.
- Store It Properly: If not in use, drain the fuel or add a stabilizer to prevent gunk buildup.
- Inspect Spark Plugs: Worn-out spark plugs can lead to starting issues. Replace them as needed.
Final Thoughts
Choosing the right dual fuel generator isn’t just about power—it’s about reliability, efficiency, and convenience. The models listed above represent the best options of 2025, catering to various needs and budgets. Whether you’re gearing up for storm season or planning an off-grid getaway, there’s a perfect generator waiting for you.
Remember, a dual fuel generator is an investment in peace of mind. With proper care and usage, these machines will keep your life powered, no matter what comes your way.
FAQs
1. Can I switch between gasoline and propane while the generator is running?
No, you should turn off the generator before switching fuels to ensure safety and avoid damaging the engine.
2. Are dual fuel generators more expensive than single-fuel models?
Yes, they tend to be slightly pricier due to their versatility, but the added flexibility often outweighs the cost.
3. Is propane better than gasoline for dual fuel generators?
Propane burns cleaner, stores longer, and is safer to use. However, gasoline provides higher energy output for heavy-duty tasks.
4. How often should I perform maintenance on my dual fuel generator?
Regular maintenance every 50–100 hours of use is recommended, including oil changes and air filter checks.
5. Can dual fuel generators power an entire house?
Yes, high-capacity models like the DuroMax XP12000EH or Generac 7043 can handle large loads, including multiple appliances simultaneously.
