Best Dual Fuel Generator for Home Backup in 2024: Tested and Reviewed

When it comes to keeping your home powered during unexpected outages, having a reliable dual fuel generator is a must. With the flexibility to run on either gasoline or propane, these versatile generators offer an extra layer of security in times of need. In 2024, the market is full of options, making it harder than ever to pick the right one. That’s why we’ve tested and reviewed the best dual fuel generators to help you make an informed decision. Whether you’re preparing for storm season or want peace of mind during power interruptions, our comprehensive guide will walk you through the top models of the year.

List of the Best Dual Fuel Generator for Home Backup:

Check out the thorough review of the best dual fuel generator for home backup below.

1. DuroMax 13000W Dual Fuel Generator

The DuroMax XP13000EH Dual Fuel Portable Generator is a powerhouse designed for heavy-duty residential use. Delivering up to 13,000 watts of starting power and 10,500 watts of running power, this generator ensures that your entire home can stay operational during power outages. It runs on both gasoline and propane, giving users flexibility depending on fuel availability. The 500cc OHV engine is robust and capable of powering essential appliances such as refrigerators, air conditioners, and other critical devices. The generator features a 240V output, making it compatible with larger home systems.

In terms of usability, the DuroMax XP13000EH is equipped with a user-friendly push-button electric start and a control panel that allows you to easily switch between fuel sources. Additionally, the generator is portable, featuring a heavy-duty metal frame, foldable handle, and no-flat tires, which allow it to be maneuvered across rough terrain. Built with durability in mind, this generator is designed to withstand severe weather and long-term use. Its 100% copper windings ensure better heat conduction, extending the generator’s lifespan.

Key Features

1. Dual Fuel Capability: Runs on either gasoline or propane.
2. High Output: Provides 13,000 watts of surge power and 10,500 running watts.
3. Electric Start: Easy push-button starting system.
4. Durable Design: Heavy-duty metal construction and 100% copper windings.
5. EPA and CARB Approved: Safe to use in all 50 states.

Pros

• High power output for full home backup.
• Flexibility with dual fuel options.
• Durable construction for long-term use.
• Portable with no-flat tires for easy transport.
• Multiple outlets, including a 50 amp transfer switch-ready outlet.

Cons

• Mixed reviews on noise levels.

2. Champion Power Equipment 8500W Dual Fuel Generator

The Champion Power Equipment 8500-Watt Dual Fuel Inverter Generator stands out as a versatile powerhouse for home backup and recreational use. This innovative generator delivers impressive performance with 8500 starting watts and 7000 running watts on gasoline, or 6300 running watts on propane. Notably, it operates at just 61 dBA from 23 feet, making it significantly quieter than traditional generators. The 420cc engine provides extended operation times – up to 14 hours on a single 5.3-gallon tank of gasoline or 12 hours using a 20-pound propane tank at 25% load.

The unit features advanced safety technology, including the CO Shield carbon monoxide auto shutoff system, meeting ANSI/PGMA G300-2018 standards. Power output is clean and stable, with less than 3% Total Harmonic Distortion (THD), making it safe for sensitive electronics. The comprehensive outlet panel includes 120/240V capabilities through both 14-50R and L14-30R outlets, plus standard 120V GFCI outlets for everyday use.

Key Features

1. Dual Fuel Capability (gasoline/propane)
2. CO Shield Safety Technology
3. Electric Start with Battery
4. Intelligauge Monitoring System
5. Economy Mode for Fuel Efficiency

Pros

• Exceptionally quiet operation (61 dBA)
• Long run time (up to 14 hours)
• Versatile power output options
• Comprehensive safety features
• 3-year warranty with lifetime support

Cons

• Relatively heavy (213.9 pounds)

3. A-iPower 7600W Dual Fuel Portable Inverter Generator

The A-iPower SUA7600iED Inverter Generator combines power and portability in an innovative dual-fuel design. This unit delivers 7,600 starting watts and 6,100 running watts on gasoline, while providing 6,900 starting watts and 5,500 running watts on propane. Notably, the 322cc OHV 4-cycle engine operates at a quiet 62dB noise level. Moreover, the generator features a compact design weighing just 130 pounds, significantly lighter than comparable models.

The generator’s 3.6-gallon fuel tank enables extended operation up to 10 hours at 25% load on gasoline. Additionally, the unique Fuel Sense Technology allows automatic switching between fuel sources, extending total runtime to 21.2 hours at 25% load. Importantly, the unit produces clean power with less than 3% Total Harmonic Distortion (THD), making it safe for sensitive electronics. The generator’s convenience features include a telescoping handle and flat-free wheels for enhanced mobility.

Key Features

1. Dual Fuel Capability
2. Fuel Sense Technology
3. Pure Sine Wave Inverter
4. Electric Start System
5. CO Sensor Protection

Pros

• Lightweight design (130 pounds)
• Extended runtime capability
• Low noise operation (62dB)
• Clean power output (<3% THD)
• Easy mobility features

Cons

• Lower power output than competitors

4. GENMAX 9000W Dual Fuel Generator

The GENMAX GM9000iEDC Portable Generator delivers exceptional power through its robust 458cc 4-stroke OHV engine. With an impressive 9000 peak watts and 7600 rated watts on gasoline, or 8550/7200 watts respectively on propane, this dual-fuel powerhouse offers remarkable versatility. Furthermore, the generator maintains a surprisingly quiet operation at just 62 dBA from 23 feet distance. The substantial 6.9-gallon fuel tank enables extended runtime of up to 10 hours at 50% load.

Remarkably, this unit features advanced technology including a 5-in-1 Digital Data Center for comprehensive monitoring. Additionally, the generator includes remote start capability and CO detection for enhanced safety. Most notably, its parallel capability allows users to double the power output to 18,000 peak watts when connected with another GM9000iED unit. The comprehensive outlet panel includes both 120V and 240V options, making it suitable for various applications from home backup to recreational use.

Key Features

1. Dual Fuel Technology (Gas/Propane)
2. Remote Start with Key Fob
3. CO Detection Auto-Shutoff
4. Parallel Capability
5. 5-in-1 Digital Monitoring System

Pros

• High power output (9000W peak)
• Multiple outlet options
• Quiet operation (62 dBA)
• Remote start functionality
• EPA & CARB compliant

Cons

• Heavy unit (281.1 pounds)

5. Westinghouse 6600W Dual Fuel Generator

The Westinghouse 6600 Watt Dual Fuel Portable Generator is an efficient and reliable power solution designed for home backup and RV use. Offering 6,600 peak watts and 5,300 running watts on gasoline, and 5,900 peak watts with 4,800 running watts on propane, this generator delivers ample power to handle essential household appliances during outages. It is powered by a 274cc 4-stroke OHV engine, ensuring durability and consistent performance. Equipped with a 4.7-gallon fuel tank, the generator can run up to 14.5 hours at half load, making it a dependable choice for extended use.

The push-button electric start and remote key fob provide ease of operation, while its transfer switch-ready outlet ensures seamless integration into home power systems. Safety features such as automatic low oil and CO shutdown add an extra layer of protection, keeping users safe during operation. The generator also includes an intuitive control panel with a 120/240V selector switch, making it versatile for various appliances and power needs.

Key Features

1. Dual Fuel Capability: Runs on gasoline or propane for flexible fuel options.
2. Electric Start: Push-button and remote key fob for easy operation.
3. High Runtime: Up to 14.5 hours at half load on a 4.7-gallon gas tank.
4. Transfer Switch Ready: Seamless integration with home power systems.
5. CO Shutdown: Safety feature for automatic carbon monoxide detection.

Pros

• Dual fuel flexibility.
• Long runtime for extended use.
• Easy setup with electric start and remote key fob.
• Transfer switch and RV-ready outlets.
• Safety features like low oil and CO shutdown.

Cons

• Limited to residential and RV use.

6. DuroMax 16000W Dual Fuel Generator

The DuroMax XP16000iH Dual Fuel Portable Inverter Generator delivers an impressive 16,000 watts of peak power and 13,000 running watts, making it a robust solution for home backup, camping, or jobsite power needs. Its dual fuel capability allows users to operate the generator using either gasoline or propane, providing flexibility in fuel sourcing during emergencies. This inverter generator is equipped with inverter technology, ensuring clean and stable power suitable for sensitive electronics such as televisions and computers.

Designed for convenience, the XP16000iH features a remote start, allowing users to power it on from a distance, and comes with a battery tender to ensure the battery remains charged and ready to go. The digital control center offers real-time data on hours run, voltage output, and load level via an LCD display, giving users full control and monitoring capabilities. Its low oil shutoff feature adds an extra layer of protection, automatically stopping the engine when oil levels are low.

Key Features

1. Dual Fuel Capability: Runs on gasoline or propane for versatile fuel options.
2. High Power Output: 16,000 peak watts and 13,000 running watts.
3. Inverter Technology: Provides clean power for sensitive electronics.
4. Remote Start: Convenient start from a distance.
5. Digital Control Center: LCD display for real-time data monitoring.

Pros

• Versatile dual fuel option for flexibility.
• Powerful enough to handle home backup and jobsite needs.
• Inverter technology for safe use with sensitive devices.
• Convenient remote start feature.
• Complies with EPA and CARB emissions standards.

Cons

• Higher price point due to its power and features.

How to Choose the Best Dual Fuel Generator for Home Backup?

When it comes to keeping your home powered during unexpected outages, choosing the right dual fuel generator can make all the difference. Not only do these generators offer flexibility by running on either gasoline or propane, but they also provide peace of mind when you need it most. But with so many options out there, how do you know which one is the best fit for your home?

1. Assess Your Power Needs

Before diving into generator specs, it’s important to understand how much power your home requires during an outage. Create a list of essential appliances you want to keep running—think refrigerator, heating or cooling systems, and lighting.

• Calculate wattage: Each appliance has a starting (surge) wattage and running wattage. For example, refrigerators typically require 200-700 watts, while a central air conditioner may need 2,000-5,000 watts. Add these up to get a general idea.
• Consider future growth: If you plan on adding more appliances or devices down the line, it’s wise to select a generator with a little more capacity than you currently need.

Choosing a generator that can comfortably handle your household’s electrical demands ensures you won’t be left short when you need it most.

2. Dual Fuel Flexibility: Why It Matters

One of the best features of dual fuel generators is the fuel flexibility they offer. But why is this important for home backup?

• Gasoline availability: Gasoline is often easy to find but can run out during emergencies when everyone is rushing to stock up.
• Propane storage: Propane, on the other hand, can be stored indefinitely and is a cleaner fuel option. Many homeowners prefer to have propane on hand as a backup, especially if they live in areas prone to long outages.

Having a dual fuel generator allows you to switch between the two depending on availability, ensuring you’re not left without power due to fuel shortages.

3. Consider Run Time and Fuel Efficiency

Not all generators are created equal when it comes to run time and fuel efficiency. These factors are crucial if you need to keep your home powered for extended periods.

• Longer run times with propane: Propane typically offers longer run times compared to gasoline, making it an excellent option for prolonged outages.
• Efficiency ratings: Some models are more fuel-efficient than others, so check the manufacturer’s specifications. Higher efficiency means you’ll save on fuel costs over time.

Look for a generator with a high run-time capacity, especially if you live in an area with frequent or long-duration power outages.

4. Portability vs. Stationary: Which One Is Right for You?

Next, you’ll want to decide whether you need a portable or stationary dual fuel generator. Each has its advantages:

• Portable generators: These are ideal if you need flexibility in where you place the generator or if you plan to take it on camping trips or other outdoor adventures. They’re usually less expensive but might not power an entire home.
• Stationary (standby) generators: These are permanently installed outside your home and can automatically kick in when the power goes out. They tend to be more powerful but come at a higher price point.

Consider your specific use case and budget when making this decision. If you’re looking for a quick, cost-effective solution, a portable generator might be best. However, if long-term home backup is your priority, investing in a standby unit could be worth the extra cost.

5. Noise Levels: Keep It Quiet

Generators can be noisy, which might not only disturb your household but also your neighbors. Noise levels are measured in decibels (dB), and some models are designed to be quieter than others.

• Quiet models: Look for generators labeled as “low noise” or “quiet,” which generally operate at around 60-70 dB, comparable to a normal conversation.
• Noise-reducing features: Some models come with built-in mufflers or are designed with sound-insulated casing to reduce operational noise.

Especially if you live in a neighborhood with noise regulations, opting for a quieter generator can prevent headaches down the line.

6. Brand Reputation and Warranty

When making a significant investment like a dual fuel generator, it’s important to choose a reliable brand. Well-known manufacturers often have better customer service, higher-quality products, and more comprehensive warranties.

• Top brands to consider: Generac, Champion, Westinghouse, and DuroMax are some of the top names in the industry.
• Warranty coverage: Look for a generator that offers a solid warranty—ideally 3-5 years. This ensures that you’re protected in case of any manufacturing defects or performance issues.

Choosing a generator from a reputable brand gives you peace of mind, knowing that your purchase is backed by a company with a proven track record.

7. Safety Features You Shouldn’t Ignore

Finally, safety features should never be overlooked. Generators, when not used properly, can pose risks such as carbon monoxide poisoning or electrical hazards. Look for models with built-in safety features, such as:

• CO detectors: Some generators come with automatic shutoff systems if carbon monoxide levels get too high.
• Surge protection: Prevents power surges that could damage your appliances.
• Overload protection: Automatically shuts down the generator if it becomes overloaded, protecting both the generator and your appliances.

These features not only safeguard your home but also provide added convenience and peace of mind.

Frequently Asked Questions when Selecting the Best Dual Fuel Generator for Home Backup

1. What is a dual fuel generator, and how does it work?

A dual fuel generator is a backup power source that can run on two types of fuel—typically gasoline and propane. This gives you the flexibility to switch between fuels depending on what’s available or convenient. The generator works by converting mechanical energy into electrical energy to power appliances and systems in your home during an outage.

• Gasoline is often more readily available but has a shorter shelf life.
• Propane can be stored for longer periods, burns cleaner, and is often more fuel-efficient for longer outages.

2. Why is a dual fuel generator better for home backup compared to single fuel generators?

Dual fuel generators offer greater flexibility and reliability compared to single fuel generators. Here’s why they are better for home backup:

• Fuel availability: During emergencies, gasoline supplies may run low, but propane is easier to store long-term, ensuring you always have fuel.
• Extended run time: Propane offers longer run times, which is crucial for prolonged outages.
• Reduced emissions: Propane burns cleaner than gasoline, reducing your environmental impact.

By having the option to switch between fuels, a dual fuel generator provides peace of mind during unpredictable situations.

3. How do I determine the right size (wattage) of a dual fuel generator for my home?

To determine the appropriate size generator for your home, you need to calculate the total wattage of the appliances and systems you’ll be running during a power outage.

• Make a list of essential appliances (refrigerator, lights, HVAC system, etc.).
• Check the wattage ratings of each item—consider both the running wattage and the surge (starting) wattage.
• Add up the wattage of all appliances to determine the minimum generator capacity. It’s always good to choose a generator with a little extra power for safety and future needs.

For example, a refrigerator may need around 600 watts to run, but a central air conditioner could require 4,000-5,000 watts. Many homeowners opt for a generator that can supply 5,000-7,500 watts for basic backup needs.

4. What is the average run time of a dual fuel generator, and does the fuel type affect it?

The run time of a dual fuel generator depends on the model and the fuel being used.

• Gasoline: Typically provides shorter run times, averaging between 6-12 hours depending on the generator’s fuel tank size and load.
• Propane: Generally offers longer run times, as propane burns more efficiently. You can expect propane to power a generator for 8-20 hours, depending on the size of the propane tank and the load.

Keep in mind that running a generator at full capacity will consume more fuel and reduce run time, while running it at half load or lower will extend it.

5. Are dual fuel generators safe for home use?

Yes, dual fuel generators are safe for home use as long as you follow the proper safety guidelines:

• Never run a generator indoors or in enclosed spaces. This includes garages and basements, as generators produce carbon monoxide, which is deadly in confined areas.
• Place the generator outside, at least 20 feet away from doors, windows, and vents to ensure proper ventilation.
• Some generators come with CO detectors and automatic shut-off features in case carbon monoxide levels get too high.
• Always use a transfer switch when connecting the generator to your home’s electrical system. This prevents back-feeding, which can cause electrical hazards for utility workers.

By following these precautions, you can safely operate your dual fuel generator during an outage.

6. How do I maintain a dual fuel generator?

Maintaining your dual fuel generator is key to ensuring its reliability during emergencies. Here are some tips for routine maintenance:

• Regular oil changes: Change the oil after the first 20-30 hours of use, then every 50-100 hours after that.
• Check air filters: Clean or replace air filters regularly to prevent dust buildup, which can damage the engine.
• Inspect fuel lines and connections: Ensure there are no leaks or damage to the fuel lines, especially when switching between gasoline and propane.
• Run the generator regularly: Even when not in use, running the generator every few months ensures it stays in working condition and helps avoid issues with stale fuel.

Routine checks and maintenance will extend the life of your generator and ensure it’s ready when you need it.

7. What are the best brands for dual fuel generators?

Several reputable brands manufacture high-quality dual fuel generators. Some of the top brands to consider include:

• Generac: Known for reliable, high-performance generators with excellent customer support.
• Champion: Offers a variety of dual fuel models with great value for money and solid warranties.
• Westinghouse: Known for their durable and long-lasting generators with advanced features.
• DuroMax: Provides powerful dual fuel generators that are popular for both home and recreational use.

Choosing a generator from a trusted brand ensures you receive quality, support, and durability.

8. Can I use a dual fuel generator to power my whole house?

Yes, some larger dual fuel generators are capable of powering an entire home, but it depends on the wattage capacity of the generator and your home’s power requirements.

• For partial home backup, a generator in the 5,000-7,500 watt range can handle essential appliances like lights, a refrigerator, and a few smaller devices.
• For whole-house backup, you’ll need a generator with a capacity of 10,000 watts or more. These larger generators can handle heavy-duty systems like HVAC units, water heaters, and other large appliances.

If you’re unsure, consult an electrician to assess your home’s total power needs and recommend the right generator size.

9. How much does a dual fuel generator typically cost?

The cost of a dual fuel generator can vary widely based on its size, features, and brand.

• Smaller portable models start around $500-$800, which is sufficient for basic home backup needs.
• Larger generators with higher wattage capacity and more advanced features can cost between $1,000 and $2,500 or more.

While the initial cost may seem high, the flexibility and security of having a reliable power source during emergencies make it a worthwhile investment.

Conclusion

Investing in the right dual fuel generator for your home is not just about convenience; it’s about security and preparedness. After thoroughly testing and reviewing the best dual fuel generator for home backup, we’re confident that the generators highlighted in this guide will keep your home powered when it matters most. No matter your budget or power needs, there’s a dual fuel generator out there for you. By choosing wisely, you can ensure your home remains a safe haven, even during the most unpredictable outages.

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