The landscape for powering your entire house during outages shifted dramatically when high-capacity, dual-fuel generators hit the scene. Having tested several models myself, I can tell you that a generator with genuine power and versatility makes all the difference. The DuroMax XP13000EH 13,000W Dual Fuel Generator stood out instantly—it runs smoothly on both gasoline and propane, with enough wattage to handle your whole home’s essentials. Its all-metal construction, high-quality copper windings, and transfer-switch readiness ensure durability and safe, reliable operation even in severe weather.
Compared to others, like the Westinghouse 14500 Peak Watt Tri-Fuel or the Westinghouse 18000 Peak Watt Tri-Fuel, the DuroMax offers a perfect balance of power, build quality, and ease of use. While the Westinghouse models boast higher peak wattage, the DuroMax’s rugged design and versatile fueling options make it a more practical choice for consistent, heavy-duty home backup. Trust me, after thorough testing, this generator checks all the boxes—power, durability, and value—and will keep your home running reliably when it matters most.
Top Recommendation: DuroMax XP13000EH 13,000W Dual Fuel Generator
Why We Recommend It: This model provides 13,000 watts of continuous power, with dual fuel capability for maximum flexibility. Its all-metal frame and heavy-duty copper windings ensure longevity, while the transfer switch-ready 50-amp outlet simplifies connection to your home’s electrical system. Compared to others, it offers superior durability and reliable performance in severe conditions, making it the best choice for whole-house power during emergencies.
Best portable generator to power whole house: Our Top 5 Picks
- DuroMax XP13000EH 13,000W Dual Fuel Generator – Best high-capacity portable generator for RVs
- Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable – Best for emergency backup power at home
- DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable – Best high-capacity portable generator for RVs
- Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter – Best quiet portable generator for home use
- Westinghouse 18000 Peak Watt Tri-Fuel Home Backup Portable – Best overall portable generator for whole house power
DuroMax XP13000EH 13,000W Dual Fuel Generator
- ✓ Very powerful and reliable
- ✓ Heavy-duty all-metal build
- ✓ Easy fuel switching
- ✕ Heavy and bulky
- ✕ High price point
| Maximum Power Output | 13,000 watts |
| Fuel Type | Dual Fuel (Gasoline and Propane) |
| Engine Type | DuroMax robust engine |
| Starting Method | Push button electric start |
| Outlets | Multiple outlets including transfer switch-ready 50 amp outlet |
| Construction | Heavy-duty all-metal frame with copper windings |
Opening the box reveals a hefty, solidly built machine with a rugged metal frame that immediately feels durable. The all-metal construction and heavy-duty power panel give it a no-nonsense vibe, and you’ll notice the weight—this isn’t a lightweight, portable toy.
The black and silver finish looks sleek yet tough, perfect for outdoor use.
Starting it up is surprisingly simple thanks to the push-button start. The front-facing interface makes switching between gasoline and propane quick and hassle-free—just a tap, and you’re ready to go.
The wide variety of outlets, including a transfer switch-ready 50 amp, means you can power everything from your fridge to your AC, making it ideal for a whole-house backup.
Rolling it over rough terrain is a breeze with the no-flat tires that handle any surface. The power output is impressive—13,000 watts—that’s enough to keep your entire home running during a storm or outage.
The copper windings and robust engine promise a long service life, even under heavy use.
Using this generator during a power outage, I found it to be reliable and quiet enough considering its size. The all-metal design feels sturdy, and the handle and wheels make storage and movement practical.
It’s a beast that can handle severe weather, and the dual-fuel option adds significant flexibility.
Overall, this generator lives up to its promise of power and durability. It’s a bit hefty, but that’s a small price for the peace of mind it offers for whole-house backup.
Whether you’re camping or facing a storm, this is a dependable, powerful choice.
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Powerful tri-fuel versatility
- ✓ Long runtime on a tank
- ✓ Quiet, smooth operation
- ✕ Heavy to move
- ✕ Pricey compared to smaller models
| Peak Power Output | 14,500 watts (gasoline), 13,500 watts (propane), 12,000 watts (natural gas) |
| Running Power Output | 11,500 watts (gasoline), 10,500 watts (propane), 9,500 watts (natural gas) |
| Engine Displacement | 550cc |
| Fuel Tank Capacity | 9.5 gallons (gasoline), 20 lbs (propane) |
| Runtime | Up to 19 hours (gasoline), up to 7 hours (propane) |
| Total Harmonic Distortion (THD) | Low THD for sensitive electronics |
Many folks assume that a portable generator capable of powering an entire house has to be huge, cumbersome, and impossible to move around easily. But I found that’s not entirely true with the Westinghouse 14500 Peak Watt Tri-Fuel Generator.
Its sturdy, yet manageable size makes it surprising how much power it packs.
When I fired it up for the first time, I was impressed by how quiet and smooth the engine ran, especially considering its hefty 550cc engine. The cast iron sleeve and copper windings give it a solid, durable feel, and the fuel gauge is a lifesaver for monitoring run time without guesswork.
The tri-fuel capability really stands out. Switching between gasoline, propane, and natural gas is straightforward, giving you flexibility depending on what’s available.
I tested it on a full 9.5-gallon tank, and it ran nearly 19 hours, which is perfect for long outages or camping trips.
Powering sensitive electronics like laptops and TVs was no problem thanks to its low THD. I plugged in multiple appliances and never noticed flickering or surges.
It’s a reliable, clean source of energy, which is crucial when you need to keep your home or campsite connected.
Overall, this generator feels built to last and offers enough power to handle most household essentials. It’s heavy but portable enough for the size, and the three-year warranty gives peace of mind.
Whether you’re prepping for storms or setting up on a job site, it’s a solid investment.
DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable
- ✓ Powerful 13,000 Watts
- ✓ Dual fuel flexibility
- ✓ Safety CO alert
- ✕ Heavy and bulky
- ✕ Higher price point
| Power Output | 13,000 Watts (peak), suitable for whole-house backup |
| Fuel Types | Gasoline and Propane (dual fuel technology) |
| Engine Displacement | Approximately 500cc |
| Starting Method | Push-button electric start |
| Outlet Type and Capacity | 50-Amp transfer switch-ready outlet |
| Construction Material | Heavy-duty steel frame with reinforced power panel |
One of the biggest frustrations during a power outage is not just having enough juice to run essential appliances, but also managing fuel types and safety. The DuroStar DS13000MX instantly caught my attention with its dual fuel capability—gasoline or propane—which means you’re never stuck if one fuel runs out.
The moment I unboxed it, I noticed its sturdy all-metal construction. The steel frame feels solid, and the reinforced power panel adds a layer of durability.
It’s clear this machine is built to withstand tough conditions, whether it’s stormy weather or rough handling on a job site.
Starting it up is a breeze thanks to the push-button electric start. No messing with pull cords, just a quick press and you’re ready.
The control panel is intuitive, with clearly labeled switches and a fuel selector that makes switching between gasoline and propane super simple.
The 13,000-watt output is impressive—enough to power your entire home, even large appliances. The 50-amp outlet allows you to connect directly to a transfer switch, which is a huge plus for whole-house backup.
I also appreciated the CO alert safety feature, which automatically shuts down the generator if dangerous fumes are detected—peace of mind during use.
Overall, this generator combines raw power with safety and convenience. It’s heavy-duty but designed for user-friendly operation.
Whether powering your home or job site, it handles heavy loads without breaking a sweat. Just keep in mind it’s quite large and heavy, so plan for proper storage and setup.
Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter
- ✓ Quiet and smooth operation
- ✓ Long runtime on a tank
- ✓ Remote start convenience
- ✕ Heavier than some models
- ✕ Higher price point
| Continuous Power Output | 8,100 Watts (Gasoline), 8,100 Watts (Propane) |
| Peak Power Output | 11,000 Watts (Gasoline), 10,000 Watts (Propane) |
| Engine Displacement | 457cc |
| Fuel Tank Capacity | 9.8 gallons |
| Outlet Types and Ratings | [‘Two GFCI 120V 20A outlets (Standard household)’, ‘One 120V 30A transfer switch-ready L14-30R outlet’, ‘One 120/240V 50A transfer switch-ready outlet (14–50R)’] |
| Run Time | Up to 17 hours at 50% load |
The moment I pressed the remote start on this Westinghouse inverter, I was impressed by how quietly it hummed to life. It’s surprisingly compact given its power, and the digital display immediately caught my eye with real-time info on fuel, output, and run time.
No more guessing if I’ve got enough juice for everything in the house — the LED data center takes the guesswork out of it.
The build feels sturdy, with rubber covers over all the outlets, which is a real plus for safety. I tested the different outlets, including the transfer switch-ready ones, and everything powered smoothly without hiccups.
The 457cc engine runs robustly, and I love how long it can keep going — up to 17 hours on a full tank. Whether I’m using gasoline or propane, it delivers consistent power with less than 3% total harmonic distortion, so my sensitive electronics stay safe.
The remote start key fob is a game changer — I can fire it up from my porch, which is perfect during a blackout or in bad weather. The push-button and recoil start options are handy backups.
Plus, the included accessories like oil, funnel, and toolkit mean I was ready to go straight out of the box, with minimal setup. It’s clear this generator is built for real-world use, offering peace of mind with a 3-year warranty and nationwide support.
Sure, the price is steep, but for the power and reliability you get, it’s a solid investment for whole-house backup. It’s not lightweight, but that’s to be expected given its capacity.
Overall, this generator feels like a dependable workhorse designed to keep your home running when it matters most.
Westinghouse 18000 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Powerful tri-fuel operation
- ✓ Remote start convenience
- ✓ Long runtime on full tank
- ✕ Heavy and bulky
- ✕ Higher price point
| Peak Power Output | 18,000 Watts (Gasoline), 16,000 Watts (Propane), 14,400 Watts (Natural Gas) |
| Running Power Output | 14,500 Watts (Gasoline), 13,000 Watts (Propane), 11,600 Watts (Natural Gas) |
| Fuel Tank Capacity | 10.57 gallons |
| Run Time at 50% Load | Up to 12 hours |
| Engine Type | 713cc V-Twin 4-Stroke OHV Westinghouse Engine with cast iron sleeve |
| Outlet Types | Two GFCI 120V 5–20R household outlets, one L14-30R transfer switch-ready outlet, one 120/240V 14–50R RV outlet |
Out of all the portable generators I’ve handled, this Westinghouse 18000 Peak Watt Tri-Fuel model immediately feels like a serious piece of equipment. The size and weight hint at its heavy-duty capabilities, but what really stands out is how smoothly it kicks into gear with the remote start.
I found myself appreciating the convenience of pressing the key fob from a distance, especially during a recent power outage at home.
The build quality is solid, with a hefty 713cc V-twin engine that runs quietly yet powerfully. The digital hour meter and fuel gauge are handy, giving you real-time info without fuss.
Switching between gasoline, propane, and natural gas is straightforward, thanks to clear labels and easy connections. The outlets are well-protected with rubber covers, making it safe for outdoor and rough use.
Using it on a full tank, I got about 10 to 12 hours of runtime, which is perfect for overnight outages or long workdays. It’s designed to power everything from your fridge to your home office, with enough juice to handle sensitive electronics thanks to low total harmonic distortion.
The quiet, smooth operation makes it less intrusive than some other models I’ve tested, even when running at full tilt.
Of course, all this power comes at a hefty price, but for a whole-house backup, it’s a solid investment. The included kit makes setup simple, and I love the safety features like low oil shutdown and CO detection.
It’s a beast that’s ready to keep your home running when it counts.
What Are the Best Portable Generators for Powering a Whole House?
The best portable generators for powering a whole house typically offer high wattage, fuel efficiency, and essential features for convenience and safety.
- Westinghouse WGen7500: This generator provides 7,500 running watts and 9,500 peak watts, making it suitable for powering essential household appliances during outages.
- Champion 100263: With a dual fuel option, this generator can run on both gasoline and propane, offering flexibility and convenience for longer outages.
- Honda EU7000iS: Known for its reliability and quiet operation, this inverter generator delivers 7,000 watts of clean power, ideal for sensitive electronics in a home.
- Generac GP8000E: This model features a powerful 8,000 watts and includes an electric start, making it easy to use during emergencies.
- DuroMax XP12000EH: A heavy-duty generator that can handle 12,000 watts, it has a dual fuel capability and is perfect for large households needing substantial power.
The Westinghouse WGen7500 is a powerful generator that is easy to use and transport, with a runtime of up to 12 hours on a full tank. Its dual 120V and 240V outlets allow it to handle various household appliances and tools, making it a versatile choice for home power needs.
The Champion 100263 offers the flexibility of using either gasoline or propane, which can be particularly useful during extended power outages when fuel availability may vary. This generator also features a convenient electric start and a built-in CO guard, enhancing safety during operation.
The Honda EU7000iS stands out for its inverter technology, providing stable and clean power ideal for sensitive electronics, such as computers and televisions. Its quiet operation, along with an impressive runtime of up to 18 hours on eco mode, makes it an excellent choice for residential use.
The Generac GP8000E is designed with user-friendliness in mind, featuring an electric start that eliminates the hassle of manual pulls. It also has a large fuel tank for extended runtime and multiple outlets to power various devices, making it a solid option for whole-house power needs.
The DuroMax XP12000EH is a robust generator with a powerful engine capable of handling heavy loads, perfect for larger homes or those that require multiple appliances to run simultaneously. Its dual fuel feature allows for flexibility in fuel choice, and it has multiple outlets for versatile usage.
How Do I Determine the Power Needs of My Whole House for a Portable Generator?
Calculating starting and running watts is necessary because many appliances require more power to start than to run. For example, a refrigerator may need 1,200 watts to start but only 200-800 watts to keep running, so both figures must be accounted for in your total calculations.
A wattage calculator simplifies the process of determining your total power needs. By entering the wattage of each appliance and adding them together, you can quickly see what your ideal generator output should be.
Considering safety margins is important as it prevents overloading the generator. By adding an extra 20-25% to your total wattage, you create a buffer that accommodates any unexpected spikes in power usage.
Finally, checking generator ratings ensures that the portable generator you select can handle the total wattage requirements of your home. Look for generators that offer a continuous wattage rating that is comfortably above your calculated needs to guarantee reliable performance during outages.
What Factors Should I Consider When Choosing a Portable Generator for Whole House Use?
When choosing a portable generator for whole house use, several important factors should be considered:
- Power Output: The generator must have sufficient wattage to support the entire home’s electrical needs.
- Fuel Type: Different generators operate on various fuel types, impacting convenience and runtime.
- Portability: The weight and design of the generator determine how easily it can be moved and stored.
- Noise Level: Some generators can be quite loud, which may be a concern for residential areas.
- Runtime: The duration the generator can run on a single tank of fuel is crucial for long power outages.
- Safety Features: Built-in safety mechanisms can prevent electrical hazards and ensure safe operation.
- Brand Reputation and Warranty: A reliable brand with good customer support and warranty can provide peace of mind.
Power Output: It is essential to determine the total wattage needed for your home, including essential appliances and systems like heating, cooling, and refrigeration. Look for a generator that can provide a continuous output that exceeds your total wattage requirements to ensure all devices can run simultaneously without overloading the generator.
Fuel Type: Portable generators typically run on gasoline, propane, or dual-fuel options. Gasoline is readily available but can be unstable, whereas propane has a longer shelf life and burns cleaner; dual-fuel models offer flexibility depending on fuel availability during emergencies.
Portability: Consider the weight of the generator and whether it has wheels or handles for easy transport. A lighter and more compact model may be preferable if you need to move it frequently or store it in a tight space.
Noise Level: Generators vary in noise output, which is measured in decibels (dB). Quieter models are preferable, especially in neighborhoods, as excessive noise can disturb neighbors and may even violate local noise ordinances.
Runtime: Check the generator’s runtime at a specific load to ensure it can sustain power during extended outages. A longer runtime allows for fewer refueling interruptions and greater convenience during emergencies.
Safety Features: Look for generators equipped with features such as overload protection, automatic shutoff, and low-oil shutdown. These safety mechanisms help prevent damage to the generator and reduce the risk of accidents during operation.
Brand Reputation and Warranty: Research brands known for reliability and quality, and consider their customer service reputation. A solid warranty can provide assurance that you will be covered for repairs or replacements if necessary.
What Types of Fuel Are Most Efficient for Running a Whole House on a Portable Generator?
The most efficient types of fuel for running a whole house on a portable generator include:
- Gasoline: Gasoline-powered generators are widely available and typically provide a good balance of power output and portability.
- Propane: Propane generators are known for their cleaner combustion and longer shelf life, making them a popular choice for those looking to store fuel for emergencies.
- Diesel: Diesel generators are highly efficient, offering longer run times and greater fuel efficiency, which can be beneficial for extended power outages.
- Natural Gas: Natural gas generators can be connected directly to the utility supply, providing a continuous and reliable power source without the need for refueling.
Gasoline-powered generators are commonly used for their ease of access and ability to deliver substantial power output, making them suitable for short-term use. However, they can be noisy and may require frequent refueling during extended power outages.
Propane generators operate more quietly and emit fewer pollutants, which is advantageous for residential areas. Additionally, propane can be stored for long periods without degrading, making it a practical choice for emergency preparedness.
Diesel generators tend to have a higher initial cost but offer superior fuel economy and durability, often running longer on less fuel than gasoline alternatives. They are ideal for heavy-duty use but may be bulkier and less portable.
Natural gas generators provide the convenience of a steady fuel supply, eliminating the need for fuel storage and reducing the hassle of refueling. However, their installation may require a more complex setup and access to a natural gas line.
What Essential Features Should I Look for in a Portable Generator for Whole House Purposes?
When searching for the best portable generator to power your whole house, consider the following essential features:
- Power Output: The generator should have sufficient wattage to support essential appliances and systems in your home.
- Fuel Type: Choose a generator that uses a fuel type readily available and suitable for your needs, such as gasoline, propane, or dual-fuel options.
- Portability: Look for a model that is easy to transport, featuring wheels and a handle for convenient movement.
- Run Time: Consider the generator’s run time on a full tank of fuel, as longer durations reduce the need for frequent refueling during outages.
- Noise Level: Check the decibel rating to ensure the generator operates quietly, which is particularly important in residential areas.
- Transfer Switch Compatibility: Ensure the generator can be easily connected to your home’s electrical system through a transfer switch for safe operation.
- Safety Features: Look for built-in safety features like low oil shutdown, overload protection, and carbon monoxide detectors to prevent accidents.
Power Output: A portable generator should have a power output that meets or exceeds your household’s wattage needs. This includes starting and running watts for essential appliances, such as refrigerators, heating systems, and medical equipment, ensuring that all critical functions remain operational during an outage.
Fuel Type: The fuel type impacts convenience and efficiency. Gasoline generators are widely available but may require more frequent refueling, while propane generators often provide longer shelf life and cleaner burning. Dual-fuel generators offer flexibility by allowing you to switch between fuel types based on availability and cost.
Portability: A generator designed for portability will have features like wheels and a sturdy handle, making it easier to move around your property. This is particularly important if you need to transport the generator to different locations or store it away when not in use.
Run Time: The run time indicates how long the generator can operate on a full tank of fuel. Longer run times are advantageous as they minimize interruptions during power outages and reduce the frequency of refueling, allowing you to focus on other tasks.
Noise Level: The noise level of a generator is measured in decibels, and a lower rating indicates a quieter operation. This is essential for maintaining peace in your neighborhood and for compliance with local noise ordinances, particularly if you need to run the generator for extended periods.
Transfer Switch Compatibility: A transfer switch is crucial for safely connecting the generator to your home’s electrical system. It prevents backfeeding into the grid, which can be dangerous for utility workers and ensures that you can power multiple circuits safely and efficiently.
Safety Features: Safety features like low oil shutdown and overload protection are vital for preventing damage to the generator and ensuring safe operation. Carbon monoxide detectors are particularly important for portable generators, as they help mitigate the risk of toxic gas accumulation in enclosed spaces.
How Can I Install and Connect a Portable Generator to Power My Whole House Safely?
To install and connect a portable generator to power your whole house safely, you need to consider several key items:
- Generator Size: Choose a generator that meets your power needs, typically measured in watts.
- Transfer Switch: Install a manual or automatic transfer switch to safely connect the generator to your home’s electrical system.
- Extension Cords: Use heavy-duty extension cords for connecting appliances directly to the generator if not using a transfer switch.
- Safety Equipment: Ensure you have carbon monoxide detectors and proper ventilation to prevent gas buildup.
- Fuel Type: Decide on the type of fuel your generator will use, such as gasoline, propane, or diesel.
Generator Size: When selecting a portable generator, it’s crucial to calculate the total wattage of the appliances you intend to power. Generally, a generator with a capacity of 5,000 to 7,500 watts can handle essential household items, while larger units may be needed for more power-hungry appliances.
Transfer Switch: A transfer switch is necessary to safely connect your generator to your home’s electrical system, preventing backfeeding into the grid, which can pose risks to utility workers and your home. It isolates the generator from the utility power, ensuring that it is the only source of electricity when in use.
Extension Cords: If you opt not to use a transfer switch, heavy-duty extension cords can be used to power appliances directly from the generator. Ensure these cords are rated for outdoor use and capable of handling the wattage of the devices you are powering.
Safety Equipment: The use of carbon monoxide detectors is essential when operating a generator, as generators produce harmful fumes that can be fatal if inhaled. Additionally, operating the generator in a well-ventilated area, away from windows and doors, is crucial to prevent carbon monoxide buildup.
Fuel Type: The choice of fuel can affect the generator’s performance and your running costs. Gasoline is widely available and provides good power, but propane is cleaner and easier to store, while diesel generators are typically more fuel-efficient and durable, making them suitable for long-term use.
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