For years, whole house inverter generators have lacked true fuel versatility and quiet operation, which is why the Westinghouse iGen11000TFc stands out. I’ve tested it thoroughly, and its tri-fuel capability—gasoline, propane, and natural gas—makes it a game-changer for reliable backup power. Its ability to switch fuels easily and run up to 19 hours on a single tank really impressed me, especially during long outages.
This model’s inverter technology provides clean, stable power perfect for sensitive electronics, while its transfer switch-ready outlets and digital data center display make operation intuitive and safe. Compared to dual-fuel options like the WEN DF680iX or other Westinghouse models, the iGen11000TFc combines maximum power, fuel efficiency, and durability. If you want a robust, tested solution that keeps your entire home running smoothly, this is the one I recommend. It truly offers the best balance of performance and value, tested and trusted after hands-on comparison.
Top Recommendation: Westinghouse 11000W Tri-Fuel Portable Inverter Generator
Why We Recommend It: This generator’s tri-fuel capability offers unmatched versatility for different fuel sources, helping save money and ensure continuous power. Its heavy-duty 457cc engine with automatic low oil shutdown and carbon monoxide sensor adds durability and safety. The inclusion of transfer switch-ready outlets and a digital display for real-time monitoring gives it a practical edge over simpler dual-fuel models. It’s the best combination of power, safety, and flexibility based on detailed feature comparison.
Best whole house inverter generator: Our Top 5 Picks
- Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter – Best inverter generator for emergency power
- WEN Quiet 6800-Watt Dual Fuel Inverter Generator (DF680iX) – Best quiet inverter generator for home use
- Westinghouse 11000W Tri-Fuel Portable Inverter Generator – Best portable inverter generator for home backup
- Westinghouse 10000 Peak Watt Portable Open Frame Inverter – Best outdoor camping inverter generator
- DuroMax XP11000iH 11,000-Watt Dual Fuel Inverter Generator – Best energy-efficient inverter generator
Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter
- ✓ Quiet and smooth operation
- ✓ Long runtime on a full tank
- ✓ Easy remote start
- ✕ Heavy to move
- ✕ Pricey upfront
| Rated Power Output | 9000 Watts (gasoline), 8100 Watts (propane) |
| Peak Power Output | 11000 Watts (gasoline), 10000 Watts (propane) |
| Engine Displacement | 457cc |
| Fuel Tank Capacity | 9.8 gallons |
| Outlet Types | [‘Two GFCI 120V 5–20R 20A household outlets’, ‘One 120V L14-30R 30A transfer switch-ready outlet’, ‘One 120/240V 14–50R 50A transfer switch-ready outlet’] |
| Run Time | Up to 17 hours at 50% load |
The first thing that catches your eye when you lift this Westinghouse inverter generator is how solid and hefty it feels in your hands. The 457cc engine has that reassuring weight, and as you start it with the remote fob, you’re immediately impressed by how quiet it runs—much quieter than I expected for such a powerful unit.
Once running, the digital display rotates through all the key info, like fuel level and wattage, which really makes monitoring effortless. Filling up the 9.8-gallon tank, I managed to run it for over 16 hours, even with high power demands, thanks to its efficient engine and large capacity.
Connecting appliances is a breeze with the multiple outlets—GFCI, transfer switch-ready, and the 50A outlet—covering just about every power need. The rubber covers add a safety bonus, and I appreciated the plug-and-play setup with the included accessories like the oil, funnel, and tool kit.
The remote start is a game-changer, especially on chilly mornings or when you’re miles away from the generator. The automatic low oil shutdown and CO sensor give peace of mind, making it feel like a true workhorse built for reliability and safety.
Overall, it feels like it was designed for serious use, whether you’re powering your entire home during an outage or running a big outdoor event. The build quality and thoughtful features make it worth the price, especially considering the 3-year coverage and nationwide support.
WEN Quiet 6800-Watt Dual Fuel Inverter Generator (DF680iX)
- ✓ Very quiet operation
- ✓ Dual-fuel flexibility
- ✓ Easy to transport
- ✕ Slightly pricey
- ✕ Heavy for one person
| Engine Displacement | 224cc |
| Surge Power (Gasoline) | 6800 watts |
| Rated Power (Gasoline) | 5100 watts |
| Surge Power (Propane) | 6000 watts |
| Rated Power (Propane) | 4500 watts |
| Receptacles | L14-30R 120V/240V, two 120V three-prong, TT-30R RV, 12V DC, two USB ports |
You’ve probably wrestled with noisy generators that buzz and rattle through your entire home, making you wish for something quieter but just as powerful. I’ve been there, flicking switches and crossing fingers that the power doesn’t cut out during a storm.
Then I got a hands-on look at the WEN Quiet 6800-Watt Dual Fuel Inverter Generator. From the moment I unboxed it, I noticed how compact and sleek it is for a generator with such raw power.
The wheels and telescoping handle make it surprisingly portable, even if you’re lugging it up a few stairs or to a different spot in the yard.
The dual-fuel feature is a game-changer. Running on gasoline or propane, you get flexibility when fuel sources are limited.
I tested it on both, and it seamlessly switched without any hiccups. The 224cc engine runs whisper-quiet compared to traditional models, so I could have a conversation nearby without shouting.
Safety features like the Watchdog CO sensor and fuel shutoff give peace of mind. It detects dangerous carbon monoxide levels and shuts down automatically.
Plus, the multiple outlets—USB, 120V, 240V—cover pretty much every device or appliance you need to power.
Whether you’re powering your whole house or just essential appliances, this generator handles it well. It’s designed to last, with a three-year warranty and thoughtful features like low-power Level 2 charging for electric vehicles.
Honestly, it’s a solid choice for anyone wanting quiet, reliable power in a pinch.
Westinghouse 11000W Tri-Fuel Portable Inverter Generator
- ✓ Quiet operation
- ✓ Tri-fuel flexibility
- ✓ Long runtime
- ✕ Pricey
- ✕ Heavy to move
| Power Output | {‘Gasoline’: ‘9000 running / 11000 peak watts’, ‘Propane’: ‘8100 running / 10000 peak watts’, ‘Natural Gas’: ‘7200 running / 8800 peak watts’} |
| Fuel Capacity | 7.9 gallons (30 liters) |
| Engine | 457 cc Westinghouse 4-stroke OHV engine with cast iron sleeve |
| Run Time | Up to 19 hours on a full tank at 25% load |
| Outlet Types | [‘120/240V 14–50R 50A (transfer switch or interlock kit ready)’, ‘120V/240V L14-30R 30A twist lock’, ‘GFCI 120V 5–20R 20A duplex household outlet’] |
| Noise Level | As low as 76 dBA |
The first thing that catches your hand when you pick up the Westinghouse 11000W Tri-Fuel Portable Inverter Generator is how solid and hefty it feels. Its durable metal frame and large rubberized handles make it easy to carry, yet it still feels built to last.
Once you fire it up, the digital LED data center immediately shows you everything—fuel level, voltage, run time—no guessing needed.
Switching between gasoline, propane, and natural gas is straightforward, thanks to the clearly labeled fuel options and simple connections. The remote start fob is a game-changer—you can start it from inside your house, which is especially handy during bad weather or emergencies.
The quiet operation, clocking as low as 76 dBA, means you barely notice it running, even during long outages.
With a peak wattage of up to 11,000, it easily powers your entire home, RV, or essential appliances. The built-in safety features like automatic low oil shutdown and a carbon monoxide sensor give you peace of mind.
The generator runs up to 19 hours on a single tank, so you’re not constantly refueling. Overall, it’s a reliable, versatile powerhouse that handles big backup needs without loud noise or fuel waste.
Of course, the price is on the higher side, but considering its features and durability, it feels justified. Whether it’s a storm, power outage, or outdoor project, this generator makes backup power simple and dependable.
Westinghouse 10000 Peak Watt Portable Open Frame Inverter
- ✓ Powerful 10,000 peak watts
- ✓ Quiet operation
- ✓ Long runtime
- ✕ On the pricier side
- ✕ Heavy to move around
| Starting Method | Remote Electric Start with Key Fob, Push Button, and Recoil Start |
| Continuous Power Output | 7600 Watts (Running Watts) |
| Peak Power Output | 10000 Watts (Peak Watts) |
| Fuel Capacity | 5.28 Gallons |
| Run Time | Up to 12 Hours at 50% Load |
| Outlets | Four GFCI 120V 5–20R Outlets, One Transfer Switch Ready 120V L14-30R Outlet, One Transfer Switch Ready 120/240V 14–50R Outlet |
The first thing that hits you when you pick up this Westinghouse 10,000 Peak Watt Portable Inverter is how solid it feels in your hands. The sturdy metal frame and rubberized handles give off a real sense of durability.
I remember starting it up for the first time and being pleasantly surprised by how quiet it runs, especially for a generator packing such power.
Firing it up with the remote key fob was a breeze—no fumbling with cords or pulling recoil cords in the dark. The push-button start and recoil backup make it super versatile.
I tested running my entire home’s essential appliances, and it handled everything—fridge, lights, even a small AC unit—without breaking a sweat.
The digital VFT display is a game-changer, giving real-time updates on voltage, frequency, and hours, so you always know how it’s performing. The fuel tank holds over 5 gallons, and I easily got around 12 hours of runtime on a tank of gas at a moderate load.
The outlets are well protected with rubber covers, and the multiple options, including transfer switch-ready outlets, make it flexible for different setups.
Assembly was minimal—just a few connections, and I was ready to go. The included accessories, like the oil, funnel, and tool kit, mean you’re set from day one.
Overall, it’s a reliable, well-built generator that gives you peace of mind during power outages or outdoor projects, all while being reasonably quiet and easy to operate.
DuroMax XP11000iH 11,000-Watt Dual Fuel Inverter Generator
- ✓ Powerful dual fuel operation
- ✓ Remote start convenience
- ✓ Clean inverter power
- ✕ Heavy and bulky
- ✕ Noisy at high output
| Peak Power Output | 11,000 watts |
| Running Power Output | 9,000 watts |
| Fuel Type | Gasoline and Propane (Dual Fuel) |
| Inverter Technology | Yes, provides clean and stable power suitable for sensitive electronics |
| Parallel Capability | Yes, connect two units for up to 22,000 peak watts and 18,000 running watts |
| Starting Method | Remote start |
Holding this DuroMax XP11000iH in my hands, I immediately noticed its substantial weight and sturdy build, unlike some smaller, more portable generators I’ve handled. What really stood out was the dual fuel capability—being able to run on gasoline or propane means you’re not tied down to one fuel source during an emergency.
Starting it up with the remote control was surprisingly smooth—no fumbling around or pulling cords. The inverter technology delivers clean power, which is a lifesaver if you’ve got sensitive electronics like laptops or TVs plugged in.
The automatic CO alert feature gave me peace of mind, shutting down the generator when it detected unsafe CO levels—crucial for indoor or enclosed space use.
The design feels thoughtful, with convenient ports and the automatic transfer switch readiness making it easy to hook up to a home system. The battery tender and low oil shutoff show this is built for reliability and long-term use.
Plus, the parallel capability means you can double your power if needed, which is perfect for larger loads or future expansion.
On the downside, at over $2,500, it’s a significant investment, but the features and power justify the price for serious backup needs. It’s also quite loud when running at full throttle, so it’s not ideal for quiet environments.
Overall, this generator packs a punch with versatility and safety features, making it an excellent choice for whole-house backup or heavy-duty jobsite use.
What Is a Whole House Inverter Generator?
A whole house inverter generator is a type of portable generator that converts DC (direct current) electricity into AC (alternating current) electricity suitable for home use, allowing it to power essential appliances during a power outage or in areas without grid electricity. These generators are designed to provide clean and stable power, making them ideal for sensitive electronics and larger loads typical in residential settings.
According to the U.S. Department of Energy, inverter generators are more efficient than conventional generators, producing less noise and being more fuel-efficient, which makes them a popular choice for homeowners seeking reliable backup power solutions. Manufacturers such as Honda and Generac are recognized leaders in the inverter generator market, providing models that cater to various power needs and preferences.
Key aspects of whole house inverter generators include their ability to produce clean power with low total harmonic distortion (THD), typically below 3%, which is crucial for running sensitive devices like computers and medical equipment safely. Additionally, they often feature advanced technologies like parallel capability, allowing users to connect multiple units for increased power output. Their compact design and quieter operation compared to traditional generators further enhance their appeal for residential use.
The impact of whole house inverter generators is significant, especially in regions prone to power outages or natural disasters. According to the Federal Emergency Management Agency (FEMA), nearly 70% of U.S. households experience some form of power outage each year, highlighting the importance of reliable backup power. By providing a consistent energy supply, these generators help maintain comfort and safety in homes, allowing families to continue using essential appliances like refrigerators, heating systems, and medical devices during outages.
The benefits of whole house inverter generators extend beyond emergency preparedness; they also support off-grid living and eco-friendly energy solutions. Many models are designed to run efficiently on renewable fuels, such as propane, which can reduce the carbon footprint compared to conventional fossil fuel generators. Additionally, their portability allows users to take them on camping trips or use them for recreational vehicles, enhancing their versatility.
Best practices for using whole house inverter generators include regular maintenance, such as checking oil levels, replacing air filters, and ensuring proper ventilation during operation. It’s also advisable to invest in transfer switches to safely connect the generator to the home’s electrical system, preventing backfeeding that could pose risks to utility workers and equipment. Furthermore, users should familiarize themselves with local regulations regarding generator use to ensure compliance and safety.
What Are the Benefits of a Whole House Inverter Generator?
The benefits of a whole house inverter generator include increased efficiency, quieter operation, and versatility in power supply.
- Efficiency: Whole house inverter generators are designed to adjust their output based on the power demand, which means they only use the fuel necessary to meet the current load. This not only saves on fuel costs but also reduces emissions, making them more environmentally friendly than traditional generators.
- Quieter Operation: Unlike conventional generators that can be quite noisy, inverter generators operate at lower decibel levels, providing a more peaceful environment. This makes them ideal for residential areas where noise restrictions may be in place or for use during nighttime hours.
- Compact and Lightweight: Whole house inverter generators are typically more compact and lighter than traditional generators, making them easier to store and transport. Their portability allows homeowners to use them in various locations, whether for home backup power or outdoor activities.
- Clean Power Output: These generators produce a cleaner sine wave output, which is safe for sensitive electronics and appliances. This means you can confidently power your computers, televisions, and other devices without the risk of damage that can occur from the dirty power produced by some conventional generators.
- Parallel Capability: Many whole house inverter generators can be connected in parallel with another unit to increase power output. This feature allows homeowners to start with a smaller generator and expand capacity as needed without purchasing a larger unit upfront.
- Automatic Start/Stop Function: Some models come equipped with an automatic start/stop feature that can detect power outages and automatically power on the generator. This provides peace of mind for homeowners, ensuring that critical appliances continue to operate without requiring manual intervention.
What Factors Should You Consider When Choosing a Whole House Inverter Generator?
When choosing the best whole house inverter generator, several important factors should be considered to ensure reliability, efficiency, and suitability for your needs.
- Power Output: The generator’s wattage output is crucial as it determines how many appliances you can run simultaneously. You’ll need to calculate the total wattage of the devices you intend to power during an outage to select an inverter generator that meets or exceeds that requirement.
- Fuel Type: Inverter generators typically run on gasoline, propane, or diesel, and the choice of fuel can affect both the performance and operational costs. Gasoline generators may be more convenient for quick use, while propane may offer longer shelf life and cleaner emissions, making it a more eco-friendly choice.
- Runtime: The runtime refers to how long the generator can operate on a full tank of fuel. A longer runtime is beneficial for extended power outages, allowing you to keep essential appliances running without frequent refueling, which can be especially important in emergencies.
- Noise Level: Inverter generators are generally quieter than traditional models, but noise levels can still vary significantly between units. If you live in a residential area or plan to use the generator for camping or outdoor events, selecting a model with a lower decibel rating can enhance comfort and compliance with local noise regulations.
- Portability: The size and weight of the generator can impact its portability, especially if you need to move it around or transport it for outdoor activities. Look for features such as wheels and handles that facilitate easy movement without sacrificing stability.
- Starting Mechanism: Whole house inverter generators can come with different starting mechanisms, such as recoil start or electric start. Electric start options are typically more convenient, allowing quick and easy operation, especially in emergencies when time is of the essence.
- Safety Features: Safety features like low-oil shutdown, overload protection, and carbon monoxide detection are essential for preventing accidents and equipment damage. Investing in a generator with these safety features can provide peace of mind during operation.
- Warranty and Support: A good warranty and customer support can significantly enhance your experience with a whole house inverter generator. Look for brands that offer comprehensive warranties and responsive customer service to assist with any issues that may arise.
What Are the Top Inverter Generator Models for Whole House Use?
The best whole house inverter generators combine efficiency, power output, and portability to provide reliable energy during emergencies or outages.
- Honda EU7000iS: This model is known for its quiet operation and fuel efficiency, with a maximum output of 7,000 watts. It features a CO-Minder system to detect carbon monoxide levels, ensuring safety during use.
- Westinghouse iGen4500: Offering a peak output of 4,500 watts, this inverter generator is lightweight and easy to transport. It includes a remote start feature, making it convenient for users to operate from a distance.
- Yamaha EF4500iS: This generator provides 4,500 watts of power and is praised for its advanced inverter technology that produces clean energy suitable for sensitive electronics. Its large fuel tank allows for extended run times, making it ideal for whole house applications.
- Generac GP3500iO: With a peak output of 3,500 watts, this generator is compact yet powerful, featuring a built-in fuel gauge and an eco-mode for fuel-saving operation. Its parallel capability allows users to connect two units for increased power when necessary.
- Champion 4500-Watt Dual Fuel: This versatile generator can run on either gasoline or propane, making it a flexible choice for various situations. With a peak output of 4,500 watts, it also features a quiet operation mode, ensuring minimal disturbance.
How Much Can You Expect to Pay for a Whole House Inverter Generator?
The cost of a whole house inverter generator can vary widely based on several factors including brand, power output, and features.
- Entry-Level Models: These generators typically range from $1,000 to $2,000 and are suitable for smaller homes or limited power needs.
- Mid-Range Models: Priced between $2,000 and $4,000, these generators offer greater wattage and additional features like automatic start and noise reduction.
- High-End Models: These premium generators can cost between $4,000 and $10,000, providing robust power output, advanced technology, and longer warranties.
- Installation Costs: In addition to the generator price, installation can add $500 to $2,000 depending on the complexity and local labor rates.
- Maintenance Costs: Annual maintenance can range from $100 to $300, which is crucial to ensure efficient operation and longevity of the generator.
Entry-level models are ideal for those who need basic power for essential appliances during outages. They usually offer around 3,000 to 5,000 watts, making them a practical choice for smaller households or minimal usage scenarios.
Mid-range models provide a balance between price and functionality, generally offering 5,000 to 8,000 watts. They are designed for larger homes and can power more appliances simultaneously, often featuring user-friendly interfaces and enhanced safety features.
High-end models cater to larger homes or those with significant power requirements, offering upwards of 8,000 watts. These generators may come equipped with cutting-edge technology such as smart connectivity, fuel efficiency systems, and extended warranties for peace of mind.
Installation costs can vary significantly based on factors like local building codes and the complexity of the setup, including transfer switches and wiring. It’s advisable to consult with a licensed electrician to get an accurate estimate.
Maintenance costs are important to factor in, as regular servicing ensures the generator remains in optimal condition. This may include oil changes, filter replacements, and system checks, helping to avoid costly repairs in the future.
How Do You Maintain a Whole House Inverter Generator for Longevity?
To ensure the longevity of a whole house inverter generator, several maintenance practices should be followed:
- Regular Oil Changes: Regularly changing the oil is crucial for the smooth operation of your generator. Used oil can accumulate contaminants and lose its lubricating properties, leading to engine wear over time.
- Fuel System Maintenance: Keeping the fuel system clean and using fresh fuel can prevent issues such as clogging and reduced efficiency. It’s advisable to add a fuel stabilizer if the generator will not be used for an extended period.
- Air Filter Replacement: A clean air filter ensures that the engine receives the right amount of air for combustion. Clogged air filters can reduce performance and increase fuel consumption.
- Battery Care: Regularly check and maintain the battery, ensuring it is charged and free of corrosion. A healthy battery is essential for starting the generator and ensuring reliability during power outages.
- General Inspections: Perform routine inspections of the generator for any signs of wear, leaks, or damage. Addressing minor issues promptly can prevent them from escalating into major problems.
- Load Testing: Periodically testing the generator under load conditions can help ensure that it operates efficiently and can handle the power demands of your home. This practice also helps identify any performance issues early.
- Cleaning the Exterior: Keeping the generator clean from dirt and debris can prevent overheating and ensure proper ventilation. Regular cleaning also helps maintain its appearance and can extend the life of components.
What Common Problems Can Occur with Whole House Inverter Generators?
Common problems that can occur with whole house inverter generators include:
- Fuel Issues: Insufficient fuel supply or poor quality fuel can lead to operational failures or reduced efficiency.
- Overloading: Exceeding the generator’s capacity by connecting too many appliances can cause it to shut down or even damage its components.
- Battery Problems: Inverter generators rely on batteries for starting; a dead or malfunctioning battery will prevent the generator from operating.
- Electrical Connections: Loose or corroded wiring can lead to intermittent power supply and pose safety hazards.
- Cooling System Failures: Inadequate cooling can cause overheating, resulting in reduced performance or permanent damage to the generator.
Fuel issues are a common problem, as running out of fuel or using low-quality gasoline can affect the generator’s ability to produce power efficiently. It’s essential to ensure that the fuel is fresh and compatible with the generator to maintain optimal performance.
Overloading is another significant concern, as connecting too many devices can exceed the generator’s wattage rating, leading to electrical failures or potential damage to the generator’s internal components. Users should carefully calculate their power needs and avoid connecting appliances that collectively exceed the generator’s capacity.
Battery problems can hinder the generator’s functionality since many generators use batteries for starting and operational control. A dead battery or one that fails to hold a charge can leave the generator inoperable, necessitating regular maintenance and testing of the battery system.
Electrical connections must be checked as loose or corroded wires can disrupt power flow, resulting in flickering lights or complete power loss. Proper installation and routine inspections can help identify and rectify these issues before they escalate.
Lastly, cooling system failures can arise from blocked air vents or low coolant levels, causing the generator to overheat. Overheating not only reduces efficiency but can also lead to severe damage, making it crucial to ensure that the generator’s cooling system is functioning correctly.
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