10 Best Dual Fuel Generators of 2026

Last updated on 04/04/2026
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Best Choice
1
9.8
Exceptional
Save 14%
ERAYAK 4500W Dual-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas and Propane Powered, EPA, CO Sensor, Parallel Ready, Campact Design
ERAYAK

ERAYAK 4500W Dual-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas and Propane Powered, EPA, CO Sensor, Parallel Ready, Campact Design

14% Off
Why we love it
  • Dual fuel versatility for everyone.
  • Seamless fuel switching technology.
  • Compact and easy to transport.
Main Highlights
  • Dual Fuel for Maximum Flexibility - This versatile generator supports gasoline (4500W peak, 3500W rated) and propane(4050W peak, 3150W rated), offering cost-effective power. Ideal for home backup, outdoor RV camping activities, construction sites, or emergencies, it delivers reliable performance for diverse needs. A flexible, efficient energy solution!
  • Seamless Fuel Switching – Erayak's gas priority system auto-switches to gasoline when gas runs out, eliminating shutdowns for uninterrupted power. With dual-fuel capability, enjoy extended runtime for reliable, long-lasting energy.
  • Portable & Compact - Weighing only 54 pounds and featuring a sleek design measuring just 19.88 x 16.93 x 20.25 inches, this inverter generator is one of the most compact and portable models on the market. Its lightweight build and space-saving size make it incredibly easy to store and transport.
  • Clean & Reliable Power for Home & RV – The Erayak 4500PD inverter generator delivers 4,500W peak and 3,500W running power with pure sine wave technology (THD 0.2%~1.2%), ensuring safe operation for sensitive electronics. Ideal for home backup, RVs, trucks, campers, and outdoor adventures, it features two 120V/20A outlets, a 30A (L5-30P) RV outlet, USB-A (5V 2.1A), and 18W USB-C to meet all your power needs.
  • Super Quiet Operation – Running at just 58 dBA from 23 feet at quarter load, the Erayak 4500PD ensures peaceful camping, tailgating, and home backup without disturbing your surroundings. Enjoy reliable power without upsetting neighbors or disrupting quiet environments.
  • ESC - Fuel Saving – The Electronic Speed Control (ESC) Mode optimizes engine performance for maximum runtime. A full 2.25-gallon gas tank lasts up to 16 hours at 25% load, while connecting to a propane extends runtime beyond 20+ hours, ensuring overnight power without refueling. At full load, fuel consumption is 0.561 gallons (2.125L) per hour on gasoline.
  • CO Sensor - Built-in CO detection shuts down the generator when carbon monoxide levels are unsafe. Circuit breaker protection for all outlets ensures safe operation. A CO switch is configured to allow the user to manually turn off depending on the environment.
  • Erayak Support - Includes free parts (oil kettle, mainance tool kit,30A conversion plug TT-30R,propane connecting pipe).Includes 3-year limited warranty with FREE lifetime technical support and US Support Hotline from dedicated experts.
9.8
Exceptional
Save 14%
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.6
Superb
Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Low THD - Safe for Electronics, Parallel Capable, CO Sensor
Westinghouse

Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Low THD - Safe for Electronics, Parallel Capable, CO Sensor

Why we love it
  • Powerful wattage for any needs.
  • Convenient remote electric start feature.
  • Versatile outlets for multiple devices.
Main Highlights
  • 9000 Running Watts and 11000 Peak Watts (Gasoline), 8100 Running Watts and 10000 Peak Watts (Propane) at Less Than 3% THD; Remote Electric Start with Included Key Fob, Push Button and Recoil Start; Up to 17 Hours of Run Time on a 9.8 Gallon Fuel Tank
  • Features Two GFCI 120V 5–20R 20A Standard Household Outlets, One Transfer Switch Ready 120V L14-30R 30A Outlet, and One Transfer Switch Ready 120/240V 14–50R 50A Outlet; All Outlets Have Rubber Covers for Added Safety
  • Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours
  • Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Carbon Monoxide (CO) Sensor
  • 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
9.6
Superb
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3
9.5
Superb
Save 13%
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready
DuroMax

DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready

13% Off
Why we love it
  • Unmatched power during outages.
  • Durable construction for longevity.
  • Versatile and mobile power solution.
Main Highlights
  • 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
  • Built to withstand severe weather and years of heavy wear-and-tear
  • Power wherever and whenever you need it - No-flat tires roll easily over any terrain
  • 100% Copper Windings - Unlike aluminum, copper is a superior heat conductor that extends the life of your generator
  • Stay powered with our EH line of portable generators
  • DuroMax portable generators are designed to be mobile and versatile, with the ability to provide power whenever and wherever you need it. Unlike traditional standby generators that are large, expensive, yet only serve one purpose, DuroMax generators will power you whether you’re at home, on an RV trip, or at the jobsite
9.5
Superb
Save 13%
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4
9.4
Superb
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse

Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered

Why we love it
  • Powerful performance reliability.
  • Convenient remote start feature.
  • Safety first with rubber covers.
Main Highlights
  • 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 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 14–50R 50A; 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
9.4
Superb
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5
9.2
Superb
WEN 14500-Watt 120V/240V Tri-Fuel Generator, Transfer-Switch Ready with Electric Start and Wheel Kit (TF1450)
WEN

WEN 14500-Watt 120V/240V Tri-Fuel Generator, Transfer-Switch Ready with Electric Start and Wheel Kit (TF1450)

Why we love it
  • Versatile fuel options available.
  • Easy electric start feature.
  • Long runtime on large tank.
Main Highlights
  • Switch between gasoline (14500 surge watts, 11500 running watts), propane (12500 surge watts, 10300 running watts), and natural gas (10500 surge watts, 8750 running watts) with a simple turn of the selection dial
  • Operates at 120V and 240V, making it perfect for transfer switches and emergency backup
  • Electric start powers the 500c 4-stroke OHV engine with the turn of a key
  • 8.2-gallon tank provides up to 12 hours of half-load runtime
  • Includes four 120V 5-20R outlet, a 120V/240V transfer-switch-ready NEMA L14-30R outlet, a 120V/240V transfer-switch-ready NEMA 14-50R outlet, a 12V DC automotive outlet, a bottle of oil, a 6-foot LPG connection hose, an NG quick-connect adapter, and a three-year limited warranty
9.2
Superb
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6
9.2
Superb
Save 25%
Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor
Westinghouse

Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor

25% Off
Why we love it
  • Powerful performance for demanding tasks.
  • User-friendly with remote start feature.
  • Durable design for long-lasting use.
Main Highlights
  • 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 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 14–50R 50A; 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 and Carbon Monoxide (CO) Shutdown, and Digital Hour Meter
  • Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, and 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
9.2
Superb
Save 25%
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7
9.1
Superb
Save 15%
WEN 2800-Watt Dual Fuel Inverter Generator, Quiet, Portable, and Lightweight with Fuel Shut Off and CO Watchdog (DF280iX)
WEN

WEN 2800-Watt Dual Fuel Inverter Generator, Quiet, Portable, and Lightweight with Fuel Shut Off and CO Watchdog (DF280iX)

15% Off
Why we love it
  • Dual-fuel versatility for convenience.
  • Protects sensitive electronics effectively.
  • Safety shutdown for carbon monoxide.
Main Highlights
  • Dual-fuel design runs on both gasoline (2800 surge watts, 2250 rated watts) and propane (2800 surge watts, 2000 rated watts)
  • 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
  • Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
  • Includes two three-prong 120V receptacles, one 12V DC receptacle, two 5V USB ports, and a three-year warranty
9.1
Superb
Save 15%
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8
8.9
Excellent
WEN 5,600-Watt Dual Fuel Portable Generator with Wheel Kit, Electric Start, and CO Watchdog (DF5600X)
WEN

WEN 5,600-Watt Dual Fuel Portable Generator with Wheel Kit, Electric Start, and CO Watchdog (DF5600X)

Why we love it
  • Dual fuel versatility for convenience.
  • Easy electric start functionality.
  • Advanced CO shutdown for safety.
Main Highlights
  • Dual fuel design runs on both gasoline (5600 surge watts, 4500 rated watts) and propane (5000 surge watts, 4050 rated watts)
  • Electric start functionality turns the 224cc engine on with the press of a switch
  • 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
  • 4.3-gallon gas tank provide up to 12.5 hours of half-load run time
  • Includes a wheel kit, two standard 120V 5-20R 20-amp outlets, one RV-ready 120V 30-amp TT-30R outlet, one transfer-switch-ready 120V 30-amp NEMA L5-30R twist lock receptacle, and a three-year warranty
8.9
Excellent
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9
8.8
Excellent
Save 16%
WEN Quiet and Lightweight 3600-Watt Dual Fuel RV-Ready Portable Inverter Generator with Fuel Shut Off and CO Watchdog (DF360iX)
WEN

WEN Quiet and Lightweight 3600-Watt Dual Fuel RV-Ready Portable Inverter Generator with Fuel Shut Off and CO Watchdog (DF360iX)

16% Off
Why we love it
  • Versatile dual-fuel functionality.
  • Whisper-quiet operation.
  • Safe for sensitive electronics.
Main Highlights
  • 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
8.8
Excellent
Save 16%
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10
8.7
Excellent
Save 5%
WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start (DF475T)
WEN

WEN 4,750-Watt 120V/240V Dual Fuel Portable Generator with Wheel Kit and Electric Start (DF475T)

5% Off
Why we love it
  • Convenient fuel selection options.
  • Versatile voltage configuration available.
  • User-friendly electric start feature.
Main Highlights
  • 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
8.7
Excellent
Save 5%
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Related Deals You Might Like for Dual Fuel Generators

📊We scanned 814 products
🔍
We reviewed the most relevant Dual Fuel Generators offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like ERAYAK, Westinghouse, DuroMax, WEN, known for dependable quality and smart design.
⭐
To determine today's best Dual Fuel Generators, we analyzed 4071 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
ERAYAK 4500W Dual-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas and Propane Powered, EPA, CO Sensor, Parallel Ready, Campact Design

Our overall winner is ERAYAK 4500W Dual-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas and Propane Powered, EPA, CO Sensor, Parallel Ready, Campact Design by ERAYAK. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Dual fuel versatility for everyone.
✓Seamless fuel switching technology.
✓Compact and easy to transport.
💎 Best Value
Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Low THD - Safe for Electronics, Parallel Capable, CO Sensor

The best value for most shoppers is Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Low THD - Safe for Electronics, Parallel Capable, CO Sensor by Westinghouse, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor

The strongest deal right now for Dual Fuel Generators is Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CO Sensor at Westinghouse, currently at 25% off.

🔄Our Dual Fuel Generators ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.