The 9 Best Tri-fuel Generators of 2026

The Westinghouse WGen11500TFc is a tri-fuel portable generator designed for homeowners who need reliable backup power during outages. With a peak output of 14,500 watts on gasoline and the ability to run on propane or natural gas, it offers exceptional flexibility for various fuel availability scenarios.

This generator is ideal for larger homes, providing enough power to run essential appliances like air conditioners, refrigerators, and sump pumps simultaneously. The remote electric start and key fob make it easy to start from a distance, while the low THD (<5%) ensures safe operation of sensitive electronics like computers and TVs.

Build quality is solid with a heavy-duty 550cc engine featuring a cast iron sleeve and copper windings for cleaner power and longer life. The unit includes a CO sensor and automatic low oil shutdown for safety. However, at 230 lbs, it is heavy and requires two people for setup, and some users note the plastic wheels could be more durable.

Overall, the Westinghouse WGen11500TFc is a powerful and versatile generator that delivers on its promises, making it a top choice for whole-home backup power.

The Westinghouse WGen9500TFc is a tri-fuel portable generator designed for home backup during power outages. It delivers up to 12,500 peak watts and 9,500 running watts on gasoline, with lower outputs on propane and natural gas. This generator is ideal for homeowners who want the flexibility to use multiple fuel sources and need enough power to run essential appliances like refrigerators, air conditioners, and sump pumps.

Standout features include remote electric start via key fob, a CO sensor that automatically shuts down the engine if dangerous carbon monoxide levels are detected, and a transfer switch ready L14-30R outlet. The 457cc engine with cast iron sleeve is built to last, and the VFT data center provides real-time information on voltage, frequency, and lifetime hours. The included never-flat wheels and handle make it relatively easy to move on flat surfaces, though at 215 pounds it is still quite heavy.

Build quality is solid, with a sturdy open frame design and rubber covers on all outlets for added safety. Setup is straightforward, with minimal assembly required to attach the wheels and feet. The generator runs quietly for its size and produces clean power suitable for sensitive electronics. Drawbacks include its weight, the fact that it is not CARB compliant so cannot be sold in California, and the need to assemble some parts out of the box.

Overall, the Westinghouse WGen9500TFc is a reliable and powerful generator that offers excellent value for home backup. Its tri-fuel capability, remote start, and safety features make it a top choice for those seeking peace of mind during emergencies.

The Westinghouse WGen10500TFc is a robust tri-fuel portable generator designed for homeowners who need reliable backup power during outages. It delivers up to 13,500 peak watts and 10,500 running watts on gasoline, with slightly lower outputs on propane and natural gas, making it suitable for powering essential appliances like refrigerators, sump pumps, and even central air conditioners.

One of its standout features is the tri-fuel capability, allowing you to switch between gasoline, propane, or natural gas depending on fuel availability. The remote electric start with a key fob adds convenience, letting you start the generator from a distance. Safety is addressed with a built-in carbon monoxide (CO) sensor and automatic low-oil shutdown, giving peace of mind during extended use.

Build quality is solid, featuring a heavy-duty 500cc Westinghouse engine with a cast iron sleeve for durability. The control panel includes a variety of outlets, including a 50A RV-ready receptacle and a transfer switch-ready 30A outlet, simplifying home integration. The included never-flat wheels and handle make it portable despite its 230-pound weight.

While the generator is powerful and feature-rich, its weight and size require careful consideration for storage and mobility. Some users may find the initial assembly of wheels and installation of the battery charger a minor inconvenience. However, the overall performance and reliability, backed by a 3-year warranty and strong customer reviews, make it a top choice for whole-home backup power.

The DuroMax XP13000HXT is a powerhouse tri-fuel portable generator designed to keep your home running during outages. With 13,000 starting watts and 10,500 running watts, it can power essential appliances, lights, and even a small air conditioner. Its standout feature is the ability to run on gasoline, propane, or natural gas, giving you ultimate fuel flexibility.

This generator is best suited for homeowners who want whole-house backup without the cost of a permanent standby unit. The 500cc OHV engine provides reliable power, and the push-button electric start with remote makes operation convenient. The front-facing interface lets you switch fuel types in seconds.

Safety is a priority with the built-in CO Alert, which automatically shuts off the engine if harmful carbon monoxide levels are detected. The steel frame and included wheel kit make it durable and relatively easy to move, though at 240 pounds it's still a heavy unit.

Assembly is required out of the box, and you'll need to purchase a power cord kit separately. The included accessories like the natural gas hose and propane regulator are high quality. Overall, the XP13000HXT offers excellent value for those needing reliable, multi-fuel backup power.

The WEN TF-1450X is a robust tri-fuel generator designed to provide reliable power for home backup, job sites, and outdoor activities. With a peak output of 14,500 watts on gasoline and the ability to run on propane or natural gas, it offers flexibility when fuel sources are limited.

This generator is ideal for homeowners who want a transfer-switch-ready solution for emergency power, as well as contractors needing portable power on site. Its electric start with recoil backup ensures easy ignition, and the included wheel kit simplifies transport.

Standout features include the WEN Watchdog CO Shutdown Sensor, which automatically turns off the generator if dangerous carbon monoxide levels are detected, enhancing safety. The control panel offers multiple outlets, including a 50A NEMA 14-50R and a 30A L14-30R, both compatible with standard transfer switches.

Build quality is solid with a 500cc 4-stroke engine and a steel frame. The 8.2-gallon fuel tank delivers up to 12 hours of runtime at half load. However, the natural gas hose is not included and must be purchased separately, and the unit is heavy at over 200 pounds, requiring careful handling.

Overall, the WEN TF-1450X is a powerful and versatile generator that delivers dependable performance for essential power needs, backed by a three-year warranty and WEN's customer support.

The Westinghouse iGen8200TFc is a tri-fuel portable inverter generator designed for homeowners, RVers, and professionals who need reliable backup power. With 8,200 peak watts and 6,600 running watts on gasoline (and lower outputs on propane and natural gas), it can handle essential appliances like refrigerators, sump pumps, and air conditioners, as well as sensitive electronics thanks to its low total harmonic distortion (THD) of less than 3%.

One of its standout features is the tri-fuel capability, allowing you to switch between gasoline, propane, and natural gas depending on availability and cost. This flexibility is a major advantage during extended outages or when fuel sources are limited. The inverter technology also adjusts engine speed to match load, reducing fuel consumption and noise compared to conventional generators. At around 60 dBA at 25% load, it's quiet enough for residential use without disturbing neighbors.

The generator is equipped with a push-button electric start and a remote key fob, making startup effortless even from a distance. The control panel includes a 14-50R 50A outlet that is transfer switch or interlock kit ready for whole-house backup, plus a TT-30R 30A RV outlet and a GFCI 20A duplex outlet for additional devices. An LED data center displays voltage, frequency, and lifetime hours, helping you monitor performance and schedule maintenance.

Built with a durable 298 cc Westinghouse engine with a cast iron sleeve and copper windings, the iGen8200TFc is designed for longevity and clean power output. It includes a CO sensor and automatic low-oil shutdown for safety. The unit rolls on never-flat wheels and a folding handle, though at 134.5 pounds, moving it up stairs or over rough terrain can be a challenge. The 3.9-gallon fuel tank provides up to 17 hours of runtime at 25% load, reducing the need for frequent refills.

Potential drawbacks include the lack of Bluetooth or app-based monitoring, which some competitors offer, and the limited number of outlets (three) may require a power strip for multiple devices. However, for those prioritizing fuel flexibility, clean power, and home backup readiness, the Westinghouse iGen8200TFc is a strong and reliable choice.

The DuroStar DS13000MXT is a robust tri-fuel portable generator designed for whole-home backup during power outages. With 13,000 peak watts and 10,500 running watts, it can keep essential appliances, lights, and even central air conditioning running. Its ability to run on gasoline, propane, or natural gas offers unmatched fuel flexibility, making it a versatile choice for emergency preparedness.

This generator is ideal for homeowners seeking a reliable backup power source. The remote electric start and push-button ignition make startup effortless, while the fully loaded power panel includes a transfer switch-ready 50 amp outlet, multiple 120V outlets, and a fuel selection knob. The CO Alert feature automatically shuts down the generator if carbon monoxide is detected, adding an important layer of safety.

Build quality is solid with a steel frame and durable 500cc OHV engine. The included wheel and handle kit improves portability, though at a substantial weight, it's best moved on flat surfaces. The generator comes with a 3-year warranty and includes essential accessories like oil funnel, spark plug wrench, tool set, propane regulator, and a natural gas hose.

User feedback highlights its impressive power output and ability to run a household for days. However, some note the oil drain plug is awkwardly placed near the tire, and the generator can be noisy. Delivery experiences vary, but the product itself earns high marks for performance and value.

Overall, the DuroStar DS13000MXT is a strong choice for anyone needing a powerful, multi-fuel generator for home backup. Its combination of power, safety features, and fuel options make it a dependable investment for storm season and emergencies.

The Generac GP9500E TF is a tri-fuel portable generator designed for homeowners, contractors, and emergency preparedness. It delivers 9,500 running watts and 12,500 starting watts on gasoline, providing enough power to run essential home appliances like a refrigerator, sump pump, HVAC blower, and lights simultaneously. The standout feature is its ability to run on gasoline, liquid propane, or natural gas, with a simple rotary dial to switch between fuels without shutting down the unit. This flexibility ensures you can keep power running even when one fuel source is disrupted.

This generator is ideal for those who need reliable backup power during extended outages or for job sites where multiple power tools are used. The COsense technology continuously monitors carbon monoxide levels and automatically shuts off the generator if dangerous concentrations build up, adding a critical safety layer. The electric start with recoil backup and included battery makes startup effortless, while the 7.5-gallon tank provides up to 14 hours of runtime at 25% load on gasoline.

The control panel includes a 50A NEMA 14-50R outlet, a 30A L14-30R twist-lock outlet, and a 120V 20A GFCI duplex outlet, allowing connection to a manual transfer switch or large appliances. The steel frame and never-flat wheels make it portable, though at 227 pounds it is heavy and may require two people to maneuver. The included wheel kit and handle help with mobility on uneven terrain.

Build quality is solid, with a steel cradle and durable components. However, some users have reported engine defects that require warranty service, which can be inconvenient if the nearest service center is far away. The propane runtime is shorter (up to 6 hours on a 20-pound tank), so plan accordingly for extended use on propane.

Overall, the Generac GP9500E TF is a powerful and versatile generator that offers excellent fuel flexibility and safety features. It is best suited for home backup and job sites where high wattage and multiple fuel options are needed. While it is heavy and may have occasional quality issues, its performance and safety features make it a strong choice for those prioritizing reliability.

The Champion Power Equipment 201438 is a robust tri-fuel portable generator designed for home backup and residential use. It operates on natural gas, propane, or gasoline, offering flexibility depending on fuel availability. With a 500cc engine producing up to 12,500 starting watts and 10,000 running watts on gasoline, it can power essential home appliances and even an air conditioner, as noted by a reviewer.

Key features include an electric start with a battery, Cold Start Technology for reliable operation in cold weather, and a CO Shield automatic shutoff system that monitors carbon monoxide levels for safety. The Intelligauge display tracks voltage, frequency, session run time, and total run time, helping users monitor output and schedule maintenance. The generator includes a 25-foot natural gas hose kit and a 6-foot propane hose assembly, making it ready for multiple fuel sources out of the box.

Build quality is solid with a metal frame, but the unit is heavy at 231 pounds, so the included wheel kit is essential for mobility. Noise level is rated at 74 dBA from 23 feet, which is comparable to a vacuum cleaner and typical for generators of this size. Some users have reported oil leakage after setup, which may require attention. Overall, the Champion 201438 is a powerful and versatile generator ideal for homeowners seeking reliable backup power with fuel flexibility, backed by a 3-year warranty and free lifetime technical support.