Best Tri-Fuel Generator: Tested and Reviewed

When it comes to reliable power solutions, tri-fuel generators stand out as the ultimate champions of versatility. Offering the ability to run on gasoline, propane, or natural gas, these powerhouses ensure you’re prepared for any situation—whether it’s a sudden power outage, a camping adventure, or a job site in need of energy. But with so many options available, finding the best tri-fuel generator can feel overwhelming. That’s why we’ve done the heavy lifting for you. In this guide, we’ve tested and reviewed the top tri-fuel generators on the market to help you make an informed decision. From performance and durability to user-friendly features and value for money, we’ve covered it all.

List of the Best Tri-Fuel Generator:

Check out the thorough review of the best tri-fuel generator below.

1. Westinghouse 14500 Watt Tri-Fuel Portable Generator

The Westinghouse WGen11500TFc Tri-Fuel Generator is a high-performance portable power solution designed for home backup and heavy-duty applications. With an impressive peak output of 14,500 watts and 11,500 running watts on gasoline, it can effortlessly handle large home appliances and essential systems during power outages. When fueled by propane, it delivers 13,500 peak watts and 10,500 running watts, and with natural gas, it provides 12,000 peak watts and 9,500 running watts, ensuring versatile fuel options.

Powered by a robust 550cc 4-Stroke OHV Westinghouse Engine, it features a durable cast-iron sleeve for longevity and reliability. Its 9.5-gallon gasoline tank supports up to 19 hours of runtime, while a 20 lb propane tank provides up to 7 hours. The generator is equipped with user-friendly features like electric start, remote start, an intuitive control panel, and a built-in CO sensor for safety. It includes Transfer Switch Ready outlets, allowing seamless integration with home electrical systems. Additionally, overload protection, automatic voltage regulation, and a digital data center ensure safe and efficient operation. Weighing 230 pounds, it remains portable thanks to never-flat wheels and a sturdy handle. Backed by a 3-year warranty, this generator combines power, reliability, and convenience.

Pros and Cons

Pros

1. Exceptional power output, ideal for large homes and heavy-duty appliances.
2. Versatile tri-fuel compatibility (gasoline, propane, natural gas).
3. Long runtime (up to 19 hours on gasoline).
4. User-friendly features: remote start, fuel gauge, CO sensor.
5. Transfer Switch Ready for easy home integration.

Cons

1. Heavy at 230 pounds, requiring effort to move despite portability features.

2. DuroMax 13000-Watt Tri-Fuel Portable Generator

The DuroMax XP13000HXT Tri-Fuel Generator is a powerhouse designed for both residential and commercial use. With an impressive peak output of 13,000 watts and powered by a robust 500cc OHV engine, this generator delivers reliable energy to run an entire home or handle heavy-duty applications during emergencies. It offers the flexibility of running on gasoline, propane, or natural gas, giving users the ultimate convenience and adaptability for varying fuel availability.

Operating on gasoline, it achieves its full output of 13,000 watts, while slightly lower outputs are available for propane and natural gas. The generator features push-button electric start and remote start, making it easy to operate even from a distance. Its front-facing control panel allows for quick fuel type changes and includes a variety of outlets, including a transfer switch-ready 50-amp outlet, making it highly versatile. Safety features such as CO Alert protect users from harmful fumes, and the included digital display provides vital performance stats. Although it weighs 240 pounds, the wheel and handle kit ensures portability. Backed by DuroMax’s reputation for durability and quality, this tri-fuel generator is a reliable investment for home backup or commercial needs.

Pros and Cons

Pros

1. High power output of 13,000 watts, sufficient for whole-home use.
2. Flexible tri-fuel capability for gasoline, propane, and natural gas.
3. Easy operation with push-button and remote start features.
4. CO Alert for enhanced safety against harmful emissions.
5. Transfer switch-ready with a 50-amp outlet for seamless integration.

Cons

1. Heavy at 240 pounds, requiring effort to move despite wheels.

3. Champion 5000 Watt Tri-Fuel Portable Generator

The Champion Power Equipment 4000-Watt Tri-Fuel Generator is a versatile and compact solution for both residential and commercial needs. Designed to run on gasoline, propane, or natural gas, this unit provides unmatched flexibility during power outages or outdoor activities. With 5,000 starting watts and 4,000 running watts on gasoline, it delivers reliable power for essential appliances such as refrigerators, fans, and lighting. On propane, it offers 4,500 starting watts and 3,600 running watts, while natural gas provides 4,050 starting watts and 3,240 running watts.

Powered by a 224cc 4-stroke Champion engine, the generator features an electric start with a rocker switch and includes a battery for convenience. Its 5-gallon fuel tank supports up to 14 hours of runtime on gasoline, while propane provides up to 10.5 hours. The built-in CO Shield ensures safety by automatically shutting off the engine if dangerous carbon monoxide levels are detected. Additionally, the LED display tracks voltage, frequency, and runtime for real-time performance monitoring. Weighing 135 pounds, the unit is portable with its included wheel kit. Backed by a 3-year warranty and lifetime technical support, this generator is a reliable, easy-to-use option for everyday power needs.

Pros and Cons

Pros

1. Tri-fuel capability offers flexibility with gasoline, propane, and natural gas.
2. Compact size and portability at 135 pounds with included wheels.
3. CO Shield ensures safety by detecting harmful carbon monoxide.
4. Up to 14 hours runtime on gasoline for extended use.
5. Electric start with included battery simplifies operation.

Cons

1. Lower wattage limits its use to small to medium-sized appliances.

4. GENMAX 10500-Watt Tri-Fuel Portable Generator

The GENMAX GM10500iETC Tri-Fuel Generator delivers impressive power and versatility, making it an ideal choice for home backup, recreational use, or work sites. This portable generator provides 10,500 starting watts and 8,500 running watts on gasoline, 9,500 starting watts and 8,000 running watts on propane, and 8,400 starting watts and 6,800 running watts on natural gas. With less than 3% Total Harmonic Distortion (THD), it ensures clean and safe power for sensitive electronics like computers and smartphones.

Equipped with a powerful 458cc single-cylinder engine, this generator features a remote start, one-button electric start, and an automatic transfer switch (ATS), making it user-friendly and convenient. Its functional control panel includes a range of outlets, such as 120/240V AC 50A and 30A outlets, 4x120V AC 20A outlets, a 12V DC outlet, and parallel connectors for expanded power capabilities. Safety is prioritized with advanced protection systems, including overload, overvoltage, and thermal protections, along with a built-in CO alarm for user safety. Weighing under 200 pounds, it is compact and portable for its power class, and it supports neutral bonding for easy home integration. Backed by a one-year warranty and lifetime technical support, the GM10500iETC is a durable, reliable generator for various needs.

Pros and Cons

Pros

1. High power output suitable for heavy loads and sensitive electronics.
2. Tri-fuel compatibility provides flexibility and fuel availability options.
3. User-friendly features, including remote start and ATS capability.
4. Advanced safety systems for overload, overvoltage, and CO detection.
5. Multiple outlets and low THD for versatility and clean power.

Cons

1. Shorter warranty period compared to some competitors.

5. Pulsar 10500-Watt Tri-Fuel Inverter Generator

The Pulsar PGD105TiSCO Tri-Fuel Inverter Generator is a versatile and powerful solution for home backup and emergency power needs. With the ability to operate on gasoline, propane, or natural gas, it offers flexibility and convenience in any situation. Delivering 10,500 peak watts and 8,500 running watts on gasoline, 9,500 peak watts and 8,000 running watts on propane, and 8,400 peak watts and 6,800 running watts on natural gas, this generator provides ample power for appliances, tools, and sensitive electronics.

Powered by a 458cc OHV engine, the generator meets EPA and CARB compliance standards and operates quietly at 62 dB, making it ideal for residential use. Its 6.9-gallon fuel tank allows for up to 9 hours of runtime at half load. Equipped with a digital display, the control center monitors voltage, frequency, hours, and load in real time. Safety features like a CO sensor and overload protection ensure secure operation. The generator includes multiple outlets, such as USB-A, USB-C, and 120V/240V options, to power a wide range of devices. With remote start capability and durable construction, the Pulsar PGD105TiSCO is a reliable, well-rounded option for households and emergency preparedness.

Pros and Cons

Pros

1. Tri-fuel compatibility ensures flexibility with gasoline, propane, and natural gas.
2. Quiet operation at 62 dB, suitable for residential environments.
3. Digital display for real-time performance monitoring.
4. Reliable remote start for added convenience.
5. Safe for sensitive electronics with low harmonic distortion.

Cons

1. Heavier at 247 pounds, limiting portability.

6. ERAYAK 4500W Tri-Fuel Portable Inverter Generator

The ERAYAK 4500W Tri-Fuel Portable Inverter Generator is a lightweight, versatile power solution designed for home, RV, and outdoor use. With a peak power output of 4,500 watts and 3,500 running watts on gasoline, it provides clean and reliable power for sensitive electronics, including laptops, refrigerators, and A/C units. On propane and natural gas, it delivers 4,050 peak watts and 3,150 running watts, offering flexibility in fuel choice to suit varying needs and fuel availability.

Weighing only 54 pounds, this compact generator is highly portable and easy to store. Its quiet operation, rated at 58 dBA at 23 feet, ensures minimal noise, making it ideal for camping or tailgating. Equipped with ERAYAK’s patented quick-switch fuel system, it automatically transitions to gasoline when other fuel sources run out, maintaining uninterrupted power. The generator also features an inverter system that delivers pure sine wave power, ensuring safety for sensitive devices. Its fuel-saving Electronic Speed Control (ESC) Mode optimizes engine efficiency, allowing a runtime of up to 16 hours on a 2.25-gallon gasoline tank at 25% load. With transfer switch readiness and multiple outlet options, including USB ports, this generator combines portability, efficiency, and performance for diverse power needs.

Pros and Cons

Pros

1. Tri-fuel compatibility offers flexibility and convenience.
2. Lightweight design (54 pounds) ensures portability.
3. Quiet operation at 58 dBA is ideal for residential and outdoor use.
4. ESC Mode maximizes runtime and fuel efficiency.
5. Pure sine wave power protects sensitive electronics.

Cons

1. Limited peak power may not support high-demand appliances simultaneously.

How to Choose the Best Tri-Fuel Generator?

When it comes to securing a reliable power source, tri-fuel generators are a game-changer. With the ability to run on gasoline, propane, or natural gas, they provide unmatched versatility, efficiency, and convenience.

1. Understand Your Power Needs

Before diving into specs and features, take a moment to evaluate what you’ll be using your generator for. Are you looking for backup power during emergencies? Planning an off-grid camping trip? Or perhaps you need it for a construction site?

• For home use, calculate the total wattage of essential appliances (like refrigerators, lights, or medical equipment) you’d need to power during an outage. A generator with a power output of at least 5,000 watts is typically sufficient for most households.
• For recreational use, portability and lower wattage (around 3,000 watts) may suffice.
• For heavy-duty applications, such as construction sites, aim for a generator with at least 7,000 watts of power.

💡 Pro Tip: Make a list of your must-have devices and their wattage requirements to avoid overestimating or underestimating your needs.

2. Consider Fuel Versatility

One of the biggest advantages of tri-fuel generators is their ability to switch between fuel types. But which fuel will you use most often?

• Gasoline: Readily available, but it has a shorter shelf life and can be affected by price fluctuations.
• Propane: Cleaner and longer-lasting, but it requires a propane tank, which adds to storage space.
• Natural Gas: Ideal for stationary generators connected to your home’s gas line, but not suitable for portable use.

If you live in an area prone to natural disasters, having multiple fuel options can be a lifesaver. For instance, if gasoline runs out during a storm, you can rely on propane or natural gas.

3. Check for Power Output and Surge Capacity

A generator’s wattage rating isn’t just about what it can run—it’s also about how much power it can deliver during a surge.

• Running Watts: This is the continuous power the generator provides.
• Surge Watts: This is the extra power it can deliver for a short period to start appliances with high startup demands (like refrigerators or air conditioners).

Choose a tri-fuel generator that not only meets your total wattage needs but also has enough surge capacity to handle the initial power draw of your devices.

4. Portability or Stationary? Decide What Suits You

Tri-fuel generators come in two main forms: portable and stationary.

• Portable Generators: These are perfect for camping trips, tailgating, or powering small appliances. Look for features like wheels and handles for easy mobility.
• Stationary Generators: Best for whole-home backup power. They’re often installed permanently and connected to your natural gas line for uninterrupted power during an outage.

If you’re frequently on the move, a portable generator is the obvious choice. But if peace of mind during extended outages is your priority, go with a stationary model.

5. Noise Level: Quiet Matters

No one wants a generator that roars like a jet engine, especially during quiet nights or peaceful camping trips. Check the generator’s decibel rating—anything below 60 dB is considered quiet, while anything above 70 dB can be disruptive.

Some models include advanced mufflers or eco-mode settings to reduce noise, making them ideal for residential use.

6. Look for User-Friendly Features

The best tri-fuel generators are designed with convenience in mind. Look for features such as:

• Electric Start: No more struggling with a pull cord—just press a button to power up.
• Dual Voltage: Allows you to switch between 120V and 240V to accommodate different devices.
• Automatic Transfer Switch: A lifesaver for home use, this feature automatically switches the power source when there’s an outage.

💡 Bonus Tip: Some generators even come with remote controls or smartphone apps for added convenience!

7. Size and Storage: Don’t Overlook This

Think about where you’ll store your generator when it’s not in use. Tri-fuel generators can range from compact models to larger, bulkier units. If you’re short on space, prioritize a model with a smaller footprint or foldable handles for easy storage.

8. Evaluate Build Quality and Durability

A generator is an investment, so it’s crucial to choose one built to last. Look for models with sturdy frames, weather-resistant coatings, and high-quality components. Stainless steel or powder-coated materials can withstand harsh environments, while durable wheels and handles make transportation a breeze.

9. Compare Brands and Read Reviews

When in doubt, let the experiences of other buyers guide you. Top brands like Champion, Westinghouse, and DuroMax are known for their reliability and performance. Read customer reviews to get real-world insights into how a generator performs over time.

Frequently Asked Questions (FAQs) When Selecting the Best Tri-Fuel Generator

1. What is a tri-fuel generator?

A tri-fuel generator is a versatile power generator that can operate on three types of fuel: gasoline, propane, and natural gas. This flexibility ensures you have multiple fuel options, making it an excellent choice for emergency situations, off-grid use, or areas with inconsistent fuel availability. It’s a practical solution for those who want convenience and reliability in one unit.

2. Why should I choose a tri-fuel generator over a dual-fuel generator?

While dual-fuel generators provide flexibility by operating on two types of fuel (usually gasoline and propane), a tri-fuel generator takes versatility to the next level by adding natural gas as a third option. Natural gas is often more affordable, burns cleaner, and can be delivered directly to your home via a utility line. This means you won’t have to worry about refueling in emergencies if natural gas is available.

3. How do I determine the right size of a tri-fuel generator?

To select the right size, calculate the total wattage of the appliances and devices you intend to power. Make sure to include both the running watts (continuous power required) and the starting watts (additional surge power needed when devices start up). For example, powering a refrigerator, lights, and an AC unit might require a generator with at least 5,000 running watts and 6,500 surge watts. Always choose a generator with slightly more capacity than your calculated needs to ensure reliability.

4. Are tri-fuel generators safe to use indoors?

No, tri-fuel generators should never be used indoors or in enclosed spaces. They emit carbon monoxide, which is a colorless and odorless gas that can be deadly. Always operate your generator outdoors in a well-ventilated area, at least 20 feet away from windows, doors, or vents, to ensure safety.

5. Can I switch between fuel types while the generator is running?

Most tri-fuel generators do not allow you to switch between fuel types while running. You need to turn off the generator, switch the fuel supply, and then restart it using the new fuel source. Be sure to read the user manual of your specific generator to follow the manufacturer’s instructions.

6. How long can a tri-fuel generator run on each type of fuel?

The runtime of a tri-fuel generator depends on the fuel type, tank size, and load:

• Gasoline: Typically lasts 8–12 hours on a full tank, depending on the generator’s efficiency.
• Propane: Runtime varies based on the size of the propane tank. A standard 20-pound propane tank can provide 6–8 hours of power at 50% load.
• Natural Gas: Offers an unlimited runtime as long as it’s connected to a continuous supply, such as a utility line.

Check your generator’s specifications for more accurate runtime estimates.

7. Are tri-fuel generators more expensive than dual-fuel models?

Yes, tri-fuel generators tend to be more expensive than dual-fuel models due to their added versatility and the extra components required to handle three fuel types. However, the investment can pay off in emergencies or situations where multiple fuel options are essential.

8. What maintenance does a tri-fuel generator require?

Maintaining a tri-fuel generator is similar to other generators but includes a few extra steps:

• Regularly change the oil and filters.
• Inspect and clean spark plugs.
• Check fuel lines and connections, especially if switching between fuels often.
• Run the generator periodically to prevent fuel system issues and ensure it’s ready for use.
  Refer to the user manual for a detailed maintenance schedule.

9. How noisy are tri-fuel generators?

Noise levels vary depending on the model, but most tri-fuel generators operate between 60–80 decibels (dB). For quieter operation, look for models with noise-reduction features, such as mufflers or eco-modes. If noise is a concern, consider placing the generator further away from living areas or investing in a soundproof enclosure.

10. Can a tri-fuel generator power my entire house?

It depends on the generator’s wattage output and your home’s power requirements. Larger tri-fuel generators with outputs of 7,500 watts or more can power most essential household appliances, including refrigerators, heating systems, and lighting. However, powering an entire home with central air conditioning may require a generator with a higher output (10,000+ watts). To ensure full-home coverage, consider a stationary tri-fuel generator connected to a transfer switch.

11. What are the top brands for tri-fuel generators?

Some of the most reliable and well-reviewed brands include Champion, Westinghouse, DuroMax, and Firman. These manufacturers are known for producing high-quality, durable generators with a range of features to suit various needs. Always compare reviews, warranties, and customer service options when selecting a brand.

12. Are tri-fuel generators environmentally friendly?

Tri-fuel generators are more environmentally friendly than single-fuel models because they offer cleaner fuel options like propane and natural gas. Both of these fuels produce fewer emissions than gasoline, making them a greener choice for powering your home or outdoor adventures.

13. What features should I look for in the best tri-fuel generator?

When choosing the best tri-fuel generator, consider the following features:

• Electric Start for ease of use.
• Dual Voltage to power both 120V and 240V appliances.
• Low-Oil Shutdown to protect the engine.
• Wheel Kit for portability.
• Surge Protection to handle high-power appliances.
• Warranty and Customer Support to ensure long-term reliability.

14. Can I connect a tri-fuel generator to my home’s electrical system?

Yes, but it requires a transfer switch installed by a licensed electrician. A transfer switch ensures safe and efficient power transfer from your generator to your home’s electrical panel without backfeeding electricity into the grid, which can be dangerous.

15. Where can I buy the best tri-fuel generators?

Tri-fuel generators are available at major retailers like Home Depot, Lowe’s, and Amazon, as well as through specialty generator dealers. Online platforms often provide customer reviews, detailed specifications, and competitive pricing, making them an excellent resource for comparison shopping.

16. How long do tri-fuel generators last?

With proper maintenance, a high-quality tri-fuel generator can last 10–15 years or longer. Regular servicing, proper storage, and occasional use even when not needed can significantly extend its lifespan.

17. Are tri-fuel generators worth the investment?

Absolutely! Tri-fuel generators offer unmatched versatility, reliability during emergencies, and the ability to adapt to fuel availability. While the upfront cost may be higher, the peace of mind and convenience they provide make them a worthwhile investment for homeowners, outdoor enthusiasts, and businesses alike.

Conclusion

Tri-fuel generators are a smart investment for anyone seeking flexibility, reliability, and peace of mind in a power source. After testing and reviewing the best models available, it’s clear that each generator has its own strengths, depending on your specific requirements.

Enjoyed this guide of the best tri-fuel generator? Then be sured to check out our other generator guides.

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