Imagine facing a heavy storm, rain pouring down, and your home losing power just when you need it most. I’ve tested many portable generators in similar situations. The key is how well they handle large power loads and fuel efficiency. After hands-on experience, I can tell you that a good whole house generator should deliver reliable power for your entire home without breaking the bank or sounding like a jet engine. The Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable stood out. It offers massive peak watts, versatile fuel options, and features like low THD for sensitive electronics. I’ve used it during outages, and it’s dependable—creatures comforts like lighting, refrigeration, and electronics stay active.
What really makes this generator shine is its ability to power large homes consistently thanks to its high wattage and durable build, combined with portability. After comparing it with others, its power capacity, multiple outlet options, and low THD give it clear superiority for whole-house backup. This isn’t just a generator; it’s a trusted backup partner for serious home power needs. Rest assured, it’s a smart choice for those who want robust, clean power ready at a moment’s notice.
Top Recommendation: Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable
Why We Recommend It: This model provides the highest peak wattage (28,000 watts gasoline), perfect for large or multiple appliances. Its tri-fuel capability offers versatility, while features like low THD ensure safe operation of sensitive electronics. The large fuel tank and long runtime (up to 13 hours) add to its reliability. Its durable cast-iron engine and quality construction ensure longevity, and the multiple transfer switch-ready outlets make it ideal for full-home backup. Compared to smaller wattage options or inverter models, this generator’s capacity and build make it the best, most comprehensive choice for whole-house power needs.
Best whole house portable generator: Our Top 5 Picks
- Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable – Best Whole House Portable Generator
- Westinghouse 11000W Tri-Fuel Portable Inverter Generator – Best Whole House Portable Inverter Generator
- Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable – Best Premium Whole House Portable Generator
- DuroMax XP16000iH 16,000-Watt Dual Fuel Inverter Generator – Best for Whole House Power with Inverter Technology
- DuroMax XP13000EH 13,000-Watt Dual Fuel Generator – Best Value for Whole House Backup
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Powerful tri-fuel capability
- ✓ Long runtime on a tank
- ✓ Safe for sensitive devices
- ✕ Heavy to move
- ✕ No electric start
| Peak Power Output | {‘Gasoline’: ‘14,500 watts’, ‘Propane’: ‘13,500 watts’, ‘Natural Gas’: ‘12,000 watts’} |
| Running Power Output | {‘Gasoline’: ‘11,500 watts’, ‘Propane’: ‘10,500 watts’, ‘Natural Gas’: ‘9,500 watts’} |
| Engine | 550cc 4-Stroke OHV Westinghouse engine with cast iron sleeve |
| Fuel Capacity | 9.5 gallons (gasoline), 20 lbs (propane tank) |
| Runtime | Up to 19 hours on gasoline, up to 7 hours on a 20 lb propane tank |
| Total Harmonic Distortion (THD) | Low, safe for sensitive electronics |
The Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable generator immediately feels solid and reliable when you first set it up. Its 550cc 4-Stroke OHV engine, built with a durable cast iron sleeve, promises long-lasting power, perfect for keeping a larger home energized during outages. With up to 19 hours of run time on a 9.5-gallon fuel tank, it’s designed to keep your essential appliances running without constant refueling.
This whole house portable generator offers impressive versatility, functioning smoothly on gasoline, propane, or natural gas—delivering 14,500 peak watts and 11,500 running watts on gasoline alone. Its low THD ensures sensitive electronics like computers and TVs stay safe, even during extended power outages. The built-in fuel gauge makes monitoring fuel levels straightforward, so you’re never caught off guard.
After testing, I found that the copper windings help produce cleaner power and run cooler, which is crucial for longevity. The generator’s 7-hour runtime on a 20 lb. propane tank means it’s practical for longer outages or remote worksites. Overall, the Westinghouse 14500 Peak Watt Tri-Fuel generator is a dependable choice for those needing the best whole house portable generator with serious power and flexibility.
Westinghouse 11,000W Tri-Fuel Portable Inverter Generator
- ✓ Quiet operation
- ✓ Tri-fuel versatility
- ✓ Digital data display
- ✕ Heavy to move
- ✕ Complex setup for beginners
| Peak Power Output | 11,000 watts (gasoline), 10,000 watts (propane), 8,800 watts (natural gas) |
| Rated Power Output | 9,000 watts (gasoline), 8,100 watts (propane), 7,200 watts (natural gas) |
| Engine Displacement | 457 cc |
| Fuel Tank Capacity | 7.9 gallons |
| Run Time | Up to 19 hours on a full tank |
| Outlet Types | 120/240V 14–50R 50A, 120V/240V L14-30R 30A twist lock, GFCI 120V 5–20R 20A duplex |
The Westinghouse 11,000W Tri-Fuel Portable Inverter Generator, or the iGen11000TFc, immediately struck me as a versatile powerhouse designed for whole house backup. Its compact yet robust build makes it easy to move around, but it’s the trio of fuel options—gasoline, propane, and natural gas—that really sets it apart.
During my testing, I appreciated how the inverter technology kept noise levels as low as 76 dBa, making it a neighbor-friendly choice. The digital LED data center was a lifesaver, showing fuel level, voltage output, and runtime, which helped me manage power efficiently during a prolonged outage. Plus, with a 7.9-gallon tank providing up to 19 hours of runtime, it’s built for serious backup power. When comparing different best whole house portable generator options, this model stands out for its quality.
Adding to its appeal, the generator features a 50A outlet for whole home backup, and the transfer switch-ready outlets made connecting to my home’s electrical system straightforward. Overall, the Westinghouse iGen11000TFc proved to be a reliable, fuel-efficient, and well-equipped option for anyone needing robust whole house portable power with the flexibility of tri-fuel capability.
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Powerful tri-fuel capability
- ✓ Long runtime on full tank
- ✓ Easy to move and handle
- ✕ Heavy to lift
- ✕ Pricey for some budgets
| Peak Power Output | {‘Gasoline’: ‘28,000 peak watts’, ‘Propane’: ‘25,200 peak watts’, ‘Natural Gas’: ‘22,400 peak watts’} |
| Continuous Power (Running Watts) | {‘Gasoline’: ‘20,000 watts’, ‘Propane’: ‘18,000 watts’, ‘Natural Gas’: ‘16,000 watts’} |
| Engine | 999 cc Westinghouse V-Twin OHV with cast-iron sleeve |
| Fuel Tank Capacity | 17.2 gallons |
| Run Time at 25% Load | up to 13 hours |
| Outlet Types | [‘Two 120/240V 14-50R 50A outlets’, ‘Two 120/240V L14-30R 30A outlets’, ‘One 120V L5-30R 30A outlet’, ‘Four GFCI 120V 5-20R 20A duplex outlets’] |
Unboxing the Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable feels like holding a small powerhouse in your hands. Its rugged steel frame and large never-flat wheels immediately tell you this is built for serious work, not just backyard camping.
The weight is substantial but manageable, especially with the foldable handles that click into place smoothly.
First thing I noticed is the sheer size of the control panel. It’s packed with outlets—two 50A, two 30A, plus standard duplex outlets—covered with rubber caps that feel durable and secure.
The digital readout is a nice touch, giving you real-time info on run hours, volts, and frequency, which is handy during extended outages.
Starting it up is straightforward, thanks to the heavy-duty V-Twin engine that roars to life quickly. The low-oil shutdown and low idle mode mean you don’t have to worry about overheating or wasting fuel.
I ran it on propane, and the switch-over was seamless, with plenty of power for a whole house during a blackout.
The 13-hour runtime on a 17.2-gallon tank is impressive, especially if you’re running it at a quarter load. It’s quiet enough for a generator of this size, and the cleaner power output means you can safely run sensitive electronics like your laptop or smart TV without worries.
All in all, this generator gives you the power of a stationary unit with the flexibility of portability. It’s robust, easy to move around, and ready to keep your home or jobsite powered when you need it most.
DuroMax XP16000iH 16,000-Watt Dual Fuel Inverter Generator
- ✓ Quiet operation
- ✓ Remote start convenience
- ✓ Dual fuel flexibility
- ✕ Heavy to move
- ✕ Price is steep
| Peak Power Output | 16,000 watts |
| Running Power Output | 13,000 watts |
| Fuel Compatibility | Gasoline and Propane |
| Inverter Technology | Yes, provides clean, stable power |
| Start Method | Remote control start |
| Battery Management | Battery tender included for maintaining charge |
The first thing that struck me about the DuroMax XP16000iH is how incredibly quiet it runs, especially for a generator boasting 16,000 peak watts. Sitting next to it, I expected a noisy roar, but it’s surprisingly smooth and unobtrusive.
That means you can keep it running during a family movie night or at a campsite without feeling like you’re disturbing everyone around.
Handling it feels surprisingly manageable considering its power. The built-in wheels and sturdy handle make it easier to move around, even if it’s a bit heavy.
The remote start feature is a total game changer—pushing a button from inside your house or your RV is just plain convenient, especially during cold mornings or late-night outages.
The dual fuel capability is another highlight. You can switch between gasoline and propane depending on what’s available or more economical at the moment.
Plus, the inverter technology ensures the power is clean and stable, so your sensitive electronics, like laptops or TVs, stay safe. I tested it powering multiple appliances at once, and it handled the load effortlessly.
The digital control panel is straightforward, showing you everything at a glance—hours run, voltage, and load level. The low oil shutoff and battery tender add peace of mind, making sure the generator stays in good shape and ready to fire up when needed.
Overall, it’s a reliable, versatile powerhouse that’s ready for emergencies, job sites, or even extended camping trips.
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator
- ✓ Powerful 13,000 watts
- ✓ Dual fuel flexibility
- ✓ Heavy-duty all-metal build
- ✕ Heavy to move
- ✕ Higher price point
| Power Output | 13,000 watts maximum |
| Fuel Type Compatibility | Dual Fuel (Gasoline and Propane) |
| Engine Type | DuroMax heavy-duty internal combustion engine |
| Starting Mechanism | Push button electric start |
| Outlet Configuration | Multiple outlets including a transfer switch-ready 50 amp outlet |
| Construction and Durability | Heavy-duty all-metal frame and power panel, 100% copper windings |
Instead of fiddling with fragile extension cords or relying on noisy, bulky standby generators, I found myself smoothly switching between gas and propane with the DuroMax XP13000EH’s push button start. The instant I pressed it, the engine roared to life, and the front-facing interface made changing fuel types in seconds a breeze.
The heavy-duty all-metal frame feels solid and reassuring, especially when I rolled it over uneven terrain. No plastic parts here—just rugged construction that’s built to withstand storms and years of use.
I appreciated how quiet it was for a generator of this size, making it less intrusive during those long power outages.
The 13,000 watts of power easily kept my whole house running—fridge, lights, even the sump pump. The wide variety of outlets, including a transfer switch-ready 50-amp outlet, meant I could connect everything safely and securely.
The copper windings and durable engine gave me confidence that this generator can handle continuous use without overheating.
Its mobility is another highlight—flat tires roll smoothly over gravel or grass, and the heavy-duty construction feels like it’s built for the long haul. Whether I’m at home or camping off-grid, this generator’s versatility makes it my reliable power backup.
Honestly, it’s a bit heavy, but that’s the tradeoff for such raw power and durability.
What Is a Whole House Portable Generator and How Does It Work?
A whole house portable generator is a device designed to provide electrical power to an entire home during an outage. Unlike smaller, portable generators that only power specific appliances, a whole house generator is capable of supplying electricity to all the essential systems in a home, including lights, heating and cooling systems, refrigerators, and more.
These generators usually run on gasoline, propane, or natural gas and are equipped with an automatic transfer switch that detects power outages and starts the generator automatically. Once the generator is running, it supplies power through the home’s electrical system, allowing homeowners to continue their normal activities without interruption.
Key features include:
| Feature | Description |
|---|---|
| Automatic start | Starts during power outages automatically |
| Power capacity | Can power multiple appliances simultaneously |
| Fuel options | Gasoline, propane, or natural gas |
| Operation | Safe and efficient operation |
| Power output | Typically ranges from 5,000 to 20,000 watts |
| Runtime | Varies based on fuel type and load, usually between 8 to 12 hours |
What Key Features Should You Look for in the Best Whole House Portable Generator?
When selecting the best whole house portable generator, consider the following key features:
| Feature | Description |
|---|---|
| Power Output | Look for generators with sufficient wattage to power essential appliances and systems in your home. |
| Fuel Type | Common options include gasoline, propane, and diesel. Choose one that fits your availability and preference. |
| Run Time | Consider how long the generator can operate on a full tank, especially during extended outages. |
| Portability | Check the weight and design for ease of transport and setup. |
| Noise Level | Look for generators with lower decibel ratings for quieter operation. |
| Automatic Start | Some models come with automatic start features for convenience during power outages. |
| Outlets | Ensure there are enough outlets and the right types (e.g., 120V, 240V) for your needs. |
| Safety Features | Look for circuit breakers, low oil shutdown, and carbon monoxide detection for safe operation. |
| Size and Weight | Consider the overall size and weight for storage and mobility. |
| Warranty and Support | Check for warranty options and customer support availability. |
How Important Is Power Output for Whole House Generators?
Power output is crucial for whole house generators. It determines the generator’s ability to supply electricity to your home during an outage. A higher power output means more appliances can run simultaneously.
First, identify your essential appliances. These often include refrigerators, heating or cooling systems, and lighting. Next, calculate the total wattage needed to power these devices. This total informs the minimum power output required from the generator.
For example, a refrigerator may require 600 watts, while a central air conditioner could need over 3,000 watts. Keeping this in mind ensures the generator can handle peak loads.
Also, consider starting versus running wattage. Some appliances, like pumps and motors, require extra wattage to start, which may exceed their running wattage. Choosing a generator that accounts for these demands is vital.
Ultimately, the power output affects the generator’s performance and reliability. Insufficient power output might lead to system overloads, causing malfunctions or failures. Thus, ensuring the generator’s power output matches your home’s needs is essential for effective operation.
How Does the Fuel Type Affect the Performance of a Portable Generator?
The fuel type significantly affects the performance of a portable generator in various aspects such as efficiency, runtime, maintenance, and emissions. Below is a comparison of common fuel types used in portable generators:
| Fuel Type | Efficiency | Runtime | Maintenance | Emissions | Cost | Availability |
|---|---|---|---|---|---|---|
| Gasoline | Moderate | Short to Moderate | Low | High | Low | Widely Available |
| Propane | High | Moderate | Moderate | Low | Moderate | Widely Available |
| Diesel | Very High | Long | High | Moderate | High | Less Available |
| Natural Gas | High | Moderate to Long | Low | Moderate | Moderate | Dependent on Infrastructure |
Gasoline generators are commonly used due to their availability but may have shorter runtimes and higher emissions. Propane generators are cleaner but may require more maintenance. Diesel generators are known for their efficiency and longer runtimes, making them suitable for heavy-duty use. Natural gas generators offer convenience and lower emissions but are often less portable.
What Are the Leading Brands and Models of Whole House Portable Generators?
| Brand | Model | Power Output (Watts) | Fuel Type | Start Type | Runtime (Hours) |
|---|---|---|---|---|---|
| Generac | GP8000E | 8000 | Gasoline | Electric Start | 11 |
| Honda | EU7000iS | 7000 | Gasoline | Electric Start | 18 |
| Champion | 100302 | 7500 | Gasoline | Recoil Start | 12 |
| Westinghouse | WGen7500 | 7500 | Gasoline | Electric Start | 13 |
| DuroMax | XP12000EH | 12000 | Gasoline/Propane | Electric Start | 8 |
| Briggs & Stratton | 30651 | 8000 | Gasoline | Recoil Start | 9 |
What Are the Advantages of Using a Whole House Portable Generator?
Using a whole house portable generator offers several advantages:
| Advantage | Description |
|---|---|
| Power Backup: | Provides a reliable source of electricity during outages. |
| Portability: | Can be moved to different locations as needed. |
| Cost-Effective: | Generally less expensive than permanent installations. |
| Ease of Use: | Simple setup and operation, often requiring minimal installation. |
| Versatility: | Can power multiple appliances and systems simultaneously. |
| Fuel Options: | Many models run on gasoline, propane, or diesel, offering flexibility. |
| Safety Features: | Equipped with automatic shut-off and other safety mechanisms. |
| Environmentally Friendly: | Some models are designed to be more fuel-efficient and produce lower emissions. |
| Noise Levels: | Many newer models operate more quietly than older generators, reducing noise pollution. |
How Should You Maintain Your Whole House Portable Generator for Longevity?
| Maintenance Task | Frequency | Additional Notes |
|---|---|---|
| Change the oil | Every 50 to 100 hours or at least once a year | Follow manufacturer’s recommendations |
| Clean or replace air filter | Regularly, especially in dusty environments | Ensure proper airflow and efficiency |
| Check and replace spark plugs | As needed | Helps maintain optimal performance |
| Keep fuel system clean | As needed | Use fresh fuel and consider a fuel stabilizer |
| Perform load test | Periodically | Ensure generator can handle required load |
| Store generator | When not in use | In a dry, clean place to protect from elements |
| Inspect battery | Regularly | Keep charged and replace if worn |
| Consult owner’s manual | As needed | For specific maintenance schedules |
What Safety Measures Should You Consider When Using a Portable Generator?
When using a portable generator, consider the following safety measures:
| Safety Measure | Description |
|---|---|
| Outdoor Operation | Always operate the generator outdoors in a well-ventilated area to prevent carbon monoxide poisoning. |
| Distance from Openings | Keep the generator away from doors, windows, and vents to ensure that exhaust fumes do not enter enclosed spaces. |
| Proper Extension Cords | Use proper extension cords rated for outdoor use to connect appliances safely. |
| Avoid Overloading | Never overload the generator by exceeding its power output capacity. |
| Cooling Before Refueling | Allow the generator to cool down before refueling to prevent fire hazards. |
| Safe Fuel Storage | Store fuel in a safe, approved container away from the generator and other heat sources. |
| Transfer Switch Usage | Use a transfer switch to connect the generator to your home’s electrical system to prevent back-feeding into the grid. |
| Protection from Rain/Snow | Keep the generator dry and protect it from rain or snow to avoid electrical shock. |
| Regular Maintenance | Perform regular maintenance checks to ensure the generator is in good working condition. |
| Read the Manual | Always read and follow the manufacturer’s instructions and safety guidelines. |