15 Best Tri-Fuel Generators: Reviewed and Compared (2026)

Updated October 2026 – model list rechecked against current manufacturer pages.

Best Tri Fuel Generator: Quick Answer

The best tri fuel generator for most homes is the Westinghouse 12500 Peak Watt Tri-Fuel, with the Westinghouse 14500 Peak Watt for bigger loads and the Westinghouse 8200 Peak Watt inverter when quiet, clean power matters more than raw output. Tri-fuel units run on gasoline, propane or natural gas, so you can switch fuels during a long outage.

Top Tri Fuel Generators Reviewed Compared Picks for 2026

Here are our current top tri fuel generators reviewed compared picks, compared on real Amazon owner reviews, price, and features. Live prices update below.

DuroMax XP11000iHT 11,000-Watt Tri Fuel Portable Digital Inverter Generator - Gas, Propane & Natural Gas, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready

Included for '15 Best Tri-Fuel Generators: Reviewed and Compared' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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DuroStar DS13000MXT 13,000-Watt 500cc Tri Fuel Portable Generator - Gas, Propane & Natural Gas, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready

Included for '15 Best Tri-Fuel Generators: Reviewed and Compared' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

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DuroMax XP15000HXT 15,000 Watt Tri Fuel Portable Home Power Backup HXT Generator w/CO Alert

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Westinghouse 12000 Peak Watt Tri-Fuel Portable Inverter Generator, Remote Start, Transfer Switch Ready, Gas/Propane/Natural Gas Powered, Low THD, Safe for Electronics, Parallel Capable, CO Sensor

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WEN 14,500-Watt 120V/240V Tri-Fuel Generator for Gas, Propane, and Natural Gas, Transfer-Switch Ready with Electric Start, Wheel Kit, and CO Watchdog (TF-1450X), Black & Red

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Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

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DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue

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1

Best Seller

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

Westinghouse

In Stock

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2

Editor's Pick

Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

Westinghouse

In Stock

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Power outages are an inevitable reality, and when the lights go out, you need a reliable way to keep your essential appliances running. For many homeowners, a tri-fuel generator offers the ultimate flexibility, allowing you to switch between gasoline, propane, and natural gas depending on availability and cost. But with so many options on the market, choosing the right one can feel overwhelming. This guide cuts through the noise to help you find the best tri-fuel generator for your needs.

We’ve meticulously reviewed some of the top-selling tri-fuel generators available on Amazon, focusing on real-world user feedback, crucial features, and overall value. We’ve analyzed thousands of reviews to identify the strengths and weaknesses of each model, so you can make an informed decision without guesswork. Let’s dive into the options that stand out in 2026.

As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.

Quick Comparison

Top Picks Reviewed

Westinghouse 12500 Peak Watt Tri-Fuel

This Westinghouse model is a powerhouse that consistently earns high marks from users, offering a substantial 12500 peak watts to cover most household needs during an outage. Its ability to run on gasoline, propane, or natural gas provides incredible versatility, making it a go-to choice for reliable home backup. The remote electric start is a significant convenience, especially during inclement weather.

Pros:

• Exceptional power output for its class.
• Tri-fuel capability offers unmatched fuel flexibility.
• High user satisfaction with robust performance.

Cons:

• Can be quite heavy and less portable than smaller units.

Best for: Homeowners needing reliable, whole-home backup power, especially during extended outages where fuel availability might be a concern.

Westinghouse 14500 Peak Watt Tri-Fuel

Stepping up the power, the 14500 Peak Watt model from Westinghouse is designed for those who need to power even more. With its higher wattage, it can comfortably handle larger homes with more demanding appliances running simultaneously. Like its siblings, the tri-fuel option and electric start are key benefits, ensuring you have power when you need it, no matter your fuel preference.

Pros:

• Highest peak wattage among the reviewed Westinghouse models for maximum coverage.
• Excellent for powering multiple high-draw appliances.
• Durable construction is frequently mentioned by satisfied owners.

Cons:

• Significantly heavier and larger, making portability a challenge.

Best for: Larger homes or properties with substantial power requirements, including workshops or multiple HVAC systems.

Westinghouse 13500 Peak Watt Tri-Fuel

The 13500 Peak Watt Westinghouse generator strikes a near-perfect balance between raw power and practical usability for home backup. Users appreciate its ability to power a wide range of appliances, from refrigerators and freezers to essential electronics and even some HVAC components. The tri-fuel versatility and electric start make it an adaptable and user-friendly solution.

Pros:

• A strong sweet spot for power output and appliance coverage.
• Tri-fuel convenience is a major selling point for users.
• Generally well-regarded for its reliable operation.

Cons:

• Still a substantial unit that requires effort to move.

Best for: Homeowners looking for a versatile and powerful generator that can handle a significant portion of their home’s needs without being excessively large.

DuroMax XP13000HXT 13,000-Watt Tri Fuel

The DuroMax XP13000HXT is a beast of a generator, offering a formidable 13,000 watts of power to tackle virtually any home backup scenario. Its robust construction and powerful 500cc engine are built for demanding use. The inclusion of CO Alert technology adds a crucial layer of safety, a feature highly valued by users who need peace of mind when running the generator for extended periods.

Pros:

• Massive power output capable of running an entire house.
• CO Alert system provides enhanced safety.
• DuroMax is known for building rugged, workhorse generators.

Cons:

• Very heavy and requires dedicated space for operation and storage.

Best for: Homeowners with significant power needs, workshops, or those who require a heavy-duty generator for frequent or prolonged use during outages.

Westinghouse 8200 Peak Watt Tri-Fuel Portable Inverter

This Westinghouse inverter generator offers a more portable solution without sacrificing too much power, featuring 8200 peak watts. As an inverter, it produces clean, low-THD power, making it safe for sensitive electronics like laptops and smart TVs. Its tri-fuel capability and remote start add convenience, and it’s a great option for those who need reliable power for camping, tailgating, or as a backup for electronics.

Pros:

• Produces clean power, safe for sensitive electronics.
• More portable than larger whole-home units.
• Quiet operation compared to traditional generators.

Cons:

• Lower peak wattage compared to the larger home backup models.

Best for: Users who need to power sensitive electronics, enjoy outdoor activities like RVing or camping, or require a quieter generator solution for their home backup needs.

Westinghouse 18000 Peak Watt Tri-Fuel Home Backup

For ultimate peace of mind during the most severe power disruptions, the Westinghouse 18000 Peak Watt generator is an exceptional choice. This unit is designed to power an entire estate, running everything from multiple HVAC units to large appliances simultaneously. While its sheer size and weight are considerable, the tri-fuel flexibility and electric start ensure you can keep your home comfortable and operational regardless of the fuel situation.

Pros:

• Unmatched power output for maximum home protection.
• Ideal for very large homes or properties with high energy demands.
• Tri-fuel capability ensures fuel availability.

Cons:

• Extremely large, heavy, and requires significant space.
• Higher initial investment.

Best for: Very large homes, estate properties, or critical facilities requiring the highest level of backup power assurance.

Westinghouse 12000 Peak Watt Tri-Fuel Portable Inverter

This Westinghouse inverter generator bridges the gap between portable inverter units and larger home backup systems, offering 12000 peak watts of clean, low-THD power. It’s an excellent choice for powering larger RVs, workshops, or a substantial portion of a home’s critical circuits. The tri-fuel option, remote start, and parallel capability (allowing two units to be linked for even more power) make it incredibly versatile.

Pros:

• High wattage inverter power, safe for sensitive electronics.
• Parallel capable for expandable power needs.
• Good balance of power and features for various applications.

Cons:

• Higher price point for an inverter generator.

Best for: Users with high-demand sensitive electronics, larger RVs, small workshops, or those who want the option to expand their power capacity by running units in parallel.

More Tri-Fuel Generators Worth Considering

These models also appear in the product cards above or are strong alternatives. Specs come from the listing titles and maker pages, so confirm running watts and fuel ratings before you buy.

DuroMax XP11000iHT – Best for Inverter Power With Whole-Home Backup

The DuroMax XP11000iHT is an 11,000-watt tri-fuel digital inverter generator with remote electric start and a transfer-switch-ready outlet. It suits owners who want cleaner power for electronics from a unit sized for home backup.

• Output: 11,000 watts, inverter
• Fuels: gasoline, propane and natural gas
• Start: remote electric start
• Ready for transfer switch connection

Pros: inverter output; remote start; all three fuels. Cons: heavy; high cost compared with open-frame units. Skip it if you only need to run a few circuits and want a lighter machine.

DuroStar DS13000MXT – Best Lower-Cost Option With a 500cc Engine

The DuroStar DS13000MXT is a 13,000-watt, 500cc tri-fuel portable generator with remote electric start. It aims at buyers who want DuroMax-style output at a less premium tier.

• Output: 13,000 watts
• Engine: 500cc
• Fuels: gasoline, propane and natural gas
• Start: remote electric start

Pros: large output; remote start; transfer switch ready. Cons: conventional output is less suited to sensitive electronics; bulky. Skip it if you need clean power for computers or medical devices.

DuroMax XP15000HXT – Best for the Heaviest Home Loads

The DuroMax XP15000HXT is a 15,000-watt tri-fuel generator with CO alert, built for large homes with several big appliances. It is the most powerful pick among the DuroMax models here.

• Output: 15,000 watts
• Fuels: gasoline, propane and natural gas
• Safety: CO alert

Pros: very high output; CO alert. Cons: large and heavy; burns more fuel. Skip it if your essentials fit within about 8,000 running watts.

WEN 14,500-Watt TF-1450X – Best Value Tri-Fuel With a Wheel Kit

The WEN TF-1450X is a 14,500-watt, 120V/240V tri-fuel generator with electric start, a wheel kit and a CO watchdog shutoff. It is a practical choice for homeowners who want high output and easy rolling.

• Output: 14,500 watts, 120V/240V
• Start: electric
• Includes: wheel kit, CO watchdog
• Transfer-switch ready

Pros: high output; CO shutoff; wheel kit included. Cons: conventional generator noise; heavy. Skip it if you need quiet running near a patio or neighbors.

Champion 12,500-Watt Electric Start Tri Fuel Home Backup – Best Champion for Whole-Home Backup

Champion 12,500-Watt Electric Start Tri Fuel Home Backup Portable Generator | Gas Propane & Natural Gas Powered, Electric Start, LPG & NG Hoses, 10,000 Running Watts, Wheel Kit, Free 3-Year Warranty

Included for '15 Best Tri-Fuel Generators: Reviewed and Compared' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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A 12,500-watt tri-fuel home backup unit with electric start, aimed at owners who want a well-known brand with wide service availability.

• Output: 12,500 watts
• Fuels: gasoline, propane and natural gas
• Start: electric start
• Use: home backup

Pros: large output; widely known brand; three fuels. Cons: heavy; conventional output. Skip it if you want an inverter for electronics.

Champion 8500-Watt Remote Start Tri Fuel Inverter – Best for Quieter Mid-Size Backup

Champion 8500-Watt Remote Start Tri Fuel Portable Inverter Generator | Wireless Remote Start, Gas Propane & Natural Gas Powered, LPG & NG Hoses, Quiet, RV Ready, StartLINK, Free 3-Year Warranty

Included for '15 Best Tri-Fuel Generators: Reviewed and Compared' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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An 8,500-watt tri-fuel portable inverter with wireless remote start. It fits a fridge, furnace blower, lights and electronics during an outage, and it is easier to move than the big open-frame units.

• Output: 8,500 watts, inverter
• Fuels: gasoline, propane and natural gas
• Start: wireless remote start

Pros: inverter power; remote start; more portable. Cons: less output than whole-home units. Skip it if you plan to run central air conditioning.

GENMAX 10500 Peak Watt Tri Fuel Open Frame Inverter – Best for Home Backup With a 50A Outlet

GENMAX 10500 Peak Watt Tri Fuel Open Frame Inverter Generator,with ATS,CO Sensor,digital display and 50A,Ideal for Home backup,contruction site and RV Camping (GM10500XiT)

Included for '15 Best Tri-Fuel Generators: Reviewed and Compared' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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An open-frame inverter with 10,500 peak watts, a 50A outlet, ATS support, CO sensor and digital display for home backup.

• Output: 10,500 peak watts, inverter
• Fuels: gasoline, propane and natural gas
• Features: 50A outlet, ATS, CO sensor, digital display

Pros: inverter power; 50A outlet; CO sensor. Cons: open frame is louder than enclosed designs. Skip it if noise limits are strict where you live.

Pulsar PGD105TiSCO – Best for a 10,500-Watt Tri-Fuel Inverter

Pulsar PGD105TiSCO Tri Fuel Inverter Generator,10500-Watt Tri Fuel Gasoline Propane Natural Gas Portable 50A Generator with Remote Start, CARB Compliant

Included for '15 Best Tri-Fuel Generators: Reviewed and Compared' as a representative home product in this roundup; selection reflects the product set returned for this topic.

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A 10,500-watt tri-fuel inverter generator with a 50A outlet, aimed at home backup and RV use.

• Output: 10,500 watts, inverter
• Fuels: gasoline, propane and natural gas
• Outlet: 50A

Pros: inverter output; 50A outlet; three fuels. Cons: heavier than small inverters; fewer service points than the largest brands. Skip it if you want the strongest brand support network.

How to Choose

• Power Needs: Calculate the total wattage of the appliances and devices you need to run simultaneously. Always add a buffer for surge wattage (when motors start).
• Fuel Type Preference: Consider which fuel source is most accessible and cost-effective in your area. Propane stores well, natural gas is continuous if connected, and gasoline is widely available.
• Portability vs. Power: Larger wattage generators are typically heavier and bulkier. Decide if you need to move the generator frequently or if it will remain in a fixed location.
• Noise Level: Inverter generators are generally quieter than traditional ones. Consider your neighbors and local noise ordinances.
• Inverter vs. Conventional: If you plan to power sensitive electronics (computers, TVs, medical equipment), an inverter generator is essential for clean, stable power.
• Starting Mechanism: Electric start and remote start offer convenience, especially in bad weather or when you need power quickly.

How We Chose These Tri-Fuel Generators

This ranking is based on manufacturer specifications, published documentation and recurring buyer feedback. We compared output, fuel flexibility, start type, safety features such as CO shutoff, and whether the unit is transfer-switch ready. It does not claim performance results of its own.

Tri-Fuel Generator Buying Guide: Sizes and Thresholds

• Peak versus running watts: peak ratings are short surges. Plan on running watts, which are lower.
• Fuel derating: output on propane and natural gas is usually lower than on gasoline. Read the rating table for each fuel.
• Outlets: look for a 50A outlet for a transfer switch or inlet, plus 120V outlets for direct plug-in.
• Safety: a CO sensor or shutoff is worth having. Always run any generator outdoors, far from windows and doors.
• Natural gas: needs a proper line, regulator and fittings installed by a qualified person.

Inverter or Open-Frame Tri-Fuel Generator?

Inverter models make cleaner power with low THD and usually run quieter, which suits laptops, TVs and medical equipment. Open-frame and conventional models give more watts per dollar but are louder and less suited to sensitive devices. For a whole-home setup, pick conventional if cost drives the decision, or inverter if electronics matter most.

Frequently Asked Questions

Q: What is the main advantage of a tri-fuel generator?

A: The primary advantage of a tri-fuel generator is its incredible versatility. You can switch between gasoline, propane, and natural gas based on availability, cost, and your specific needs during an outage. This ensures you’re never without a fuel option.

Q: Are tri-fuel generators safe for sensitive electronics?

A: Not all tri-fuel generators produce clean power. Inverter generators, like the Westinghouse 8200 and 12000 Peak Watt models reviewed, are specifically designed to produce low Total Harmonic Distortion (THD) power, making them safe for sensitive electronics. Conventional generators may not offer this level of power purity.

Q: How long can I run a tri-fuel generator on a tank of gasoline?

A: Run times vary significantly based on the generator’s fuel tank size, engine efficiency, and the load it’s powering. Larger generators running at a lower percentage of their capacity will generally run longer. Always check the manufacturer’s specifications for estimated run times at 50% load.

Q: Is natural gas a good fuel option for a home backup generator?

A: Yes, natural gas is an excellent fuel option if you have a permanent connection to a natural gas line. It offers virtually unlimited runtime as long as the gas supply is uninterrupted, meaning you don’t have to worry about refueling or storing large quantities of fuel.

Q: What size tri-fuel generator do I need for my house?

A: Add up the running watts of what you want to power. Most homes need 6,500 to 9,000 watts for essentials and 12,500 or more with central air.

Q: Do tri-fuel generators put out less power on propane or natural gas?

A: Yes, usually. Output on propane and natural gas is typically lower than on gasoline, so check the maker’s rating for each fuel.

Q: Can I run a tri-fuel generator in the garage?

A: No. Run it outdoors, well away from windows, doors and vents, because exhaust contains carbon monoxide.

Q: Is a tri-fuel generator better than a dual-fuel model?

A: It is better if you have a natural gas line, since it adds an unlimited-runtime fuel. Without one, dual-fuel models do the same job.

Q: Do I need a transfer switch?

A: For powering home circuits, yes. A transfer switch or interlock installed by a licensed electrician keeps backfeed from reaching the grid.

Q: What is the best tri fuel generator for a home?

A: The Westinghouse 12500 Peak Watt Tri-Fuel is our top pick for most homes, with the 14500 model for larger loads.

Our Verdict

Top Pick: Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator. It offers an exceptional blend of power, versatility, and user satisfaction, making it the go-to for reliable whole-home backup.

Best Value: DuroMax XP13000HXT 13,000-Watt Tri Fuel. Delivers immense power and robust build quality at a competitive price point for its capabilities.

Premium Pick: Westinghouse 18000 Peak Watt Tri-Fuel Home Backup Portable Generator. For unparalleled power and the ultimate in home protection, this generator is the top-tier choice for the most demanding situations.

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