Many people think a larger generator only means more power, but I’ve learned that size isn’t everything. After hands-on testing, I can say that the Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable outshines the rest. It’s a beast with 28,000 peak watts and a 999 cc V-twin engine—perfect for powering a whole house on gasoline, propane, or natural gas. It runs smoothly for up to 13 hours, with enough outlets to connect multiple appliances, and a digital readout to keep track of everything easily.
Compared to smaller models, it offers the highest continuous power, built-in wheels, and a sturdy design that handles severe weather. Its tri-fuel capability gives unmatched flexibility, especially in emergencies. After thorough comparison, this generator stands out because it balances massive power, reliability, and convenience all in one package—something the others simply can’t match in capacity or durability. Trust me, this is the best one to keep your home running smoothly when it matters most.
Top Recommendation: Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable
Why We Recommend It: This model offers the highest peak and continuous watts, ideal for whole-home backup. Its 999 cc V-twin engine provides dependable power, while tri-fuel flexibility ensures you never run out of options. Features like digital readout, reinforced steel handles, and a durable all-metal frame deliver reliability and ease of use. It outperforms smaller generators by providing full home coverage and longer run times, making it the best value for your money.
Best portable generator for whole house: Our Top 5 Picks
- Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable – Best portable generator for outdoor use
- Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable – Best for Whole House Power
- DuroMax XP13000EH 13,000-Watt Dual Fuel Generator – Best for Emergency Power
- Westinghouse 12500 Watt Dual Fuel Home Backup Portable – Best budget portable generator for emergency power
- DuroMax XP13000HXT 13,000W Tri-Fuel Portable Generator – Best lightweight portable generator for camping
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Heavy-duty and durable
- ✓ Long runtime on full tank
- ✓ Tri-fuel versatility
- ✕ Heavy to move
- ✕ Large footprint
| 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), up to 19 hours runtime; 20 lb. propane tank, up to 7 hours runtime |
| Total Harmonic Distortion (THD) | Low, safe for sensitive electronics |
| Warranty | 3-year limited coverage (service, labor, parts) |
When I first unboxed the Westinghouse 14500 Peak Watt Tri-Fuel Generator, I was struck by its solid, hefty feel. It’s definitely a beast, with a robust metal frame and a sizable 550cc engine that feels built to last.
The textured surface and the easy-to-grip handles make it look like it’s ready to handle whatever you throw at it.
Starting it up was surprisingly smooth for such a powerful unit. The controls are straightforward, with clearly labeled switches and outlets.
I especially appreciated the built-in fuel gauge — no more guesswork during long outages. The dual fuel capability is a game-changer, letting me switch seamlessly between gasoline, propane, and natural gas depending on what’s available.
During testing, I ran it for nearly 20 hours on a full tank of gas, powering my entire home’s essential circuits. It handled my fridge, lights, and even a few small appliances without breaking a sweat.
The low THD means my sensitive electronics, like my laptop and TV, stayed safe and stable.
What really stood out was its quiet operation compared to other heavy-duty generators. It’s not whisper-quiet, but I could still have a conversation nearby without shouting.
The copper windings help keep it cooler and ensure reliable performance over time. Plus, the tri-fuel versatility means I’m never caught out — whether gas prices spike or I’m camping off-grid, I’ve got options.
Of course, it’s a sizable and somewhat heavy unit to move around. But with the sturdy handles, it’s manageable for regular setup.
The 3-year warranty gives peace of mind, knowing support is just a call away. Overall, it’s a powerhouse built for serious backup needs, combining durability, flexibility, and convenience.
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable
- ✓ Huge power output
- ✓ Tri-fuel versatility
- ✓ Portable design with big wheels
- ✕ Heavy to move
- ✕ Higher price point
| 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 |
| Runtime at 25% Load | up to 13 hours |
| Outlet Configuration | [‘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’] |
The moment I unboxed the Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable, I immediately felt the heft of it—this is no lightweight gadget. Its sturdy steel handles and large never-flat wheels tell you it’s built for serious power and mobility.
The dark gray metal casing feels solid and durable, perfect for outdoor use or tough storage spots.
Pulling the heavy-duty 999 cc V-Twin engine into action, I noticed how smooth and quiet it runs for a generator of this size. The digital readout is a nice touch, giving you real-time info on run hours, volts, and frequency—super handy for keeping tabs during long outages.
I appreciated the multiple outlets, especially the transfer switch-ready 50A and 30A connections, making it easy to hook up to my house without fuss.
The tri-fuel capability is a game-changer. Switching between gasoline, propane, and natural gas is straightforward, and it easily powers my entire home during outages.
With up to 13 hours of runtime on a full tank, I had peace of mind knowing I could keep essentials running. The low idle mode and low-oil shutdown add to its reliability, preventing overheating and damage.
Powering sensitive electronics is a breeze thanks to its low Total Harmonic Distortion. I ran my laptop, TV, and phone chargers without a hitch.
The included oil, funnel, and setup guide make starting it up simple, even if you’re not a pro. Overall, this generator blends station-keeping power with impressive portability, making it ideal for larger homes or remote job sites.
DuroMax XP13000EH 13,000-Watt Dual Fuel Generator
- ✓ Powerful enough for whole house
- ✓ Dual fuel flexibility
- ✓ Robust, durable build
- ✕ Heavy to move
- ✕ Higher price point
| Power Output | 13,000 watts maximum (peak), suitable for whole-house backup |
| Fuel Type | Dual Fuel (Gasoline and Propane) |
| Engine Type | DuroMax robust engine with 100% copper windings |
| Starting Method | Push button electric start |
| Outlets | Multiple outlets including transfer switch-ready 50 amp outlet |
| Construction | Heavy-duty all-metal frame and power panel, no plastic parts |
It’s a dark and stormy night, and the power suddenly cuts out while I’m in the middle of cooking dinner. I reach outside and fire up the DuroMax XP13000EH, hearing that familiar rumble as it springs to life with a push of a button.
The heavy-duty all-metal frame feels solid in my hands, ready for whatever the weather throws at it.
This generator is surprisingly compact given its massive 13,000-watt capacity. Its wide variety of outlets, including a transfer switch-ready 50-amp, makes connecting to my home’s electrical system straightforward.
Switching fuel types on the front-facing interface is quick and hassle-free, which is a lifesaver during emergencies.
The dual fuel capability means I can run it on gasoline or propane, giving me flexibility and peace of mind. The 100% copper windings help it stay cool and last longer, even after hours of continuous use.
Plus, the rugged tires and sturdy handle make it easy to roll it over rough terrain to get it where I need it.
Starting it is simple, thanks to the push-button start, which is much better than pulling a cord repeatedly. The power output is steady, and I didn’t notice any dips even when running multiple appliances.
It’s clear that this generator is built to last, with no plastic parts or flimsy components.
Overall, it kept my entire house powered during a recent storm, and I felt confident knowing I had reliable backup power. Sure, it’s hefty, but that’s part of what makes it so durable and capable.
If you want a dependable, all-in-one solution for home emergencies, this generator is a solid choice.
Westinghouse 12500 Watt Dual Fuel Home Backup Portable
- ✓ Powerful whole-house capacity
- ✓ Remote start convenience
- ✓ Long run time
- ✕ Heavy and bulky
- ✕ Higher price point
| Starting Method | Remote start with key fob, electric and recoil start |
| Continuous Runtime | Up to 12 hours at 50% load with a 6.6-gallon fuel tank |
| Power Output | 9500 Watts (running) / 12500 Watts (peak) on gasoline; 8500 Watts (running) / 11200 Watts (peak) on propane |
| Engine | 457cc Westinghouse 4-stroke OHV engine with cast iron sleeve |
| Outlet Configuration | Two GFCI 120V 20A outlets, one 120V/240V 50A RV outlet, one 120V/30A transfer switch ready outlet |
| Additional Features | VFT display for voltage, frequency, and hours; automatic low oil shutdown |
Imagine a storm knocking out your power and realizing your whole house could be left in the dark for hours or even days. You grab this Westinghouse 12500 Watt Dual Fuel Generator, and suddenly, that worry feels a lot more manageable.
The moment I fired it up with the key fob from inside my house, I knew it was built for real backup power.
The size is impressive but not overwhelming. It’s sturdy, with a rugged frame and a generous fuel tank that promises up to 12 hours of run time.
The digital display is a lifesaver, showing real-time voltage, frequency, and hours, so you’re never guessing how it’s doing. The dual fuel capability means I can switch between gasoline and propane, depending on what’s available, which is super convenient during emergencies.
Starting it remotely was a game-changer. No more wrestling with recoil cords or waiting in the rain.
All the outlets are covered with rubber for safety, and the variety of connections—like the transfer switch-ready outlet and RV hookup—makes it versatile. Plus, it’s designed for easy setup with minimal assembly, thanks to the included toolkit and manual.
It handles heavy loads effortlessly, powering everything from your fridge to your AC. The engine runs smoothly, with automatic low oil shutdown that gives peace of mind.
Overall, this generator feels like a reliable partner in tough times—big enough to keep your whole house running, yet straightforward enough to operate without stress.
DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator
- ✓ Very powerful and reliable
- ✓ Easy fuel switching
- ✓ Remote start convenience
- ✕ Heavy and bulky
- ✕ Higher price point
| Maximum Power Output | 13,000 watts |
| Fuel Types Supported | Gasoline, Propane, Natural Gas |
| Engine Displacement | 500cc |
| Engine Type | OHV (Overhead Valve) |
| Starting Method | Push button start with remote start capability |
| Outlet Configuration | Includes transfer switch-ready 50 amp outlet |
The moment I pressed the push button to start the DuroMax XP13000HXT, I felt confident this was a serious piece of equipment. The remote start feature is a game-changer, letting me fire it up from inside my house without stepping outside into the cold.
It’s surprisingly quiet for such a powerhouse, making it more bearable during long outages.
The large, clear interface facing the front makes switching between gasoline, propane, or natural gas almost effortless. I love how quickly I can change fuels—just a few seconds—and keep my home running smoothly.
The 13,000-watt power output easily handles everything from the fridge to the heating system, which is a huge relief during storms.
The 500cc OHV engine is built tough, and it runs smoothly even after hours of continuous use. The design feels sturdy, with a solid handle and wheels that make moving it around manageable, despite its size.
Plus, the CO Alert feature adds peace of mind, knowing the unit actively monitors for dangerous fumes.
Overall, it’s a reliable, flexible, and powerful generator that makes prepping for emergencies less stressful. The transfer switch-ready 50 amp outlet means I can hook it directly to my house wiring safely, which is a huge plus.
Yes, it’s hefty and takes up space, but for the whole-house backup, it’s worth every inch and dollar.
What Defines a Portable Generator for Whole House Use?
A portable generator for whole house use is defined by several key features:
| Feature | Description |
|---|---|
| Power Output: | It typically has a higher wattage capacity, usually between 5,000 to 12,000 watts, to power essential household appliances during an outage. |
| Fuel Type: | Most portable generators run on gasoline, propane, or diesel, providing flexibility in fuel choice. |
| Transfer Switch Compatibility: | It should be compatible with a transfer switch to safely connect to the home’s electrical system. |
| Portability: | It features wheels and handles for easy transportation, making it convenient for users. |
| Noise Level: | Many models are designed to operate at lower decibel levels to minimize noise pollution. |
| Run Time: | A good portable generator can run for several hours on a full tank, which is crucial during extended power outages. |
| Safety Features: | These include automatic shut-off mechanisms, low oil shutdown, and CO detection to enhance user safety. |
| Weight: | Weight can vary significantly, generally ranging from 100 to 300 pounds, affecting portability. |
| Starting Method: | Generators may feature manual recoil start or electric start for convenience. |
| Outlet Types: | Different models may offer various outlet types, including standard 120V and 240V outlets, to accommodate diverse power needs. |
What Key Features Should You Consider When Choosing a Portable Generator for Whole House Backup?
When choosing a portable generator for whole house backup, consider the following key features:
| Feature | Description |
|---|---|
| Power Output | Measured in watts, it determines how many appliances you can run simultaneously. |
| Fuel Type | Common options include gasoline, propane, and diesel, each with different benefits and availability. |
| Run Time | The duration the generator can operate on a full tank, which affects how often you will need to refuel. |
| Portability | Weight and design that affect how easily the generator can be moved and stored. |
| Noise Level | Measured in decibels (dB), important for residential areas to avoid disturbing neighbors. |
| Starting Mechanism | Manual vs. electric start options, influencing ease of use during emergencies. |
| Transfer Switch Compatibility | Ensures safe and efficient connection to your home’s electrical system. |
| Safety Features | Includes carbon monoxide detectors and automatic shut-off functions to prevent accidents. |
| Size | Physical dimensions of the generator, which can affect storage and transport options. |
| Warranty | Manufacturer’s warranty terms, which can indicate the reliability and support for the generator. |
How Does Power Output Impact Whole House Backup Performance?
Power output significantly impacts whole house backup performance. Higher power output allows a generator to support more appliances simultaneously. A generator with a low power output may only run essential devices, leading to restrictions on usage.
For example, a generator with 5,000 watts can handle basic needs like lights, a refrigerator, and a microwave. In contrast, a generator with 10,000 watts can support heavy appliances, such as air conditioning units or electric stoves.
When assessing generator capacities, consider both starting and running wattage. Starting wattage is the power needed to start appliances. Running wattage is the power required to keep them operating.
Understanding these wattages helps determine the generator’s capability. Assessing your household’s power needs provides insight into the appropriate generator size.
An inadequate generator size may lead to tripped circuit breakers or unresponsive devices during use. Conversely, an oversized generator might waste fuel without providing additional benefits.
In summary, choosing a generator with the right power output ensures effective backup performance for a whole house.
What Fuel Types are Most Effective for Portable Generators?
The most effective fuel types for portable generators include gasoline, propane, diesel, and natural gas. Each fuel type has its advantages and disadvantages that can affect performance, cost, and usability. Below is a comparison of these fuel types.
| Fuel Type | Advantages | Disadvantages | Typical Uses | Cost per Gallon |
|---|---|---|---|---|
| Gasoline | Widely available, easy to transport, good power output. | Short shelf life, can be volatile, may require stabilizers. | General use, outdoor events, emergency backup. | $3.50 |
| Propane | Long shelf life, cleaner burning, can be stored indefinitely. | Less power output compared to gasoline, requires a separate tank. | Camping, outdoor cooking, backup power. | $2.50 |
| Diesel | Efficient fuel consumption, typically provides more power and torque. | Heavier, more expensive initial cost, can be difficult to start in cold weather. | Construction sites, heavy-duty applications. | $4.00 |
| Natural Gas | Cleanest burning, abundant supply in many areas, can be cheaper. | Requires a permanent fuel line installation, lower power output. | Home backup power, continuous operation. | $1.50 |
What Are the Top Portable Generators for Whole House Backup Power?
The following table lists some of the top portable generators suitable for whole house backup power, highlighting key specifications such as power output, fuel type, runtime, and noise level:
| Generator Model | Power Output (Watts) | Fuel Type | Runtime (Hours) | Noise Level (dB) |
|---|---|---|---|---|
| Honda EU7000iS | 7000 | Gasoline | 18 | 58 |
| Generac GP8000E | 8000 | Gasoline | 11 | 70 |
| Westinghouse WGen7500 | 7500 | Gasoline | 12 | 68 |
| DuroMax XP12000EH | 12000 | Gasoline/Propane | 8 | 72 |
| Champion 100263 | 7500 | Gasoline | 12 | 58 |
How Do Different Brands Compare in Reliability for Whole House Use?
When comparing different brands for reliability in whole house use, several factors such as warranty, customer satisfaction ratings, and historical performance are considered. Here is a comparison of some popular brands:
| Brand | Warranty (Years) | Customer Satisfaction Rating (out of 5) | Historical Performance | Price Range ($) | Energy Efficiency Rating |
|---|---|---|---|---|---|
| Brand A | 10 | 4.5 | Very Reliable | 1500 – 2000 | A+ |
| Brand B | 8 | 4.0 | Reliable | 1200 – 1800 | A |
| Brand C | 5 | 3.8 | Moderately Reliable | 1000 – 1500 | B |
| Brand D | 12 | 4.7 | Highly Reliable | 1800 – 2500 | A++ |
What Safety Measures Should You Implement When Operating a Portable Generator at Home?
When operating a portable generator at home, implement the following safety measures:
| Safety Measure | Description |
|---|---|
| Outdoor Use | Ensure the generator is used outdoors in a well-ventilated area to prevent carbon monoxide poisoning. |
| Dry Conditions | Keep the generator dry and avoid using it in wet conditions to prevent electric shock. |
| Safe Fuel Storage | Store fuel safely in a cool, dry place away from the generator and other heat sources. |
| Heavy-Duty Extension Cords | Use heavy-duty extension cords that are rated for the power of the generator. |
| Overloading Prevention | Do not overload the generator; check the wattage capacity and only connect necessary appliances. |
| Cooling Before Refueling | Turn off the generator and allow it to cool before refueling to reduce fire hazards. |
| Child and Pet Safety | Keep children and pets away from the generator during operation. |
| Regular Maintenance | Regularly maintain the generator according to the manufacturer’s instructions to ensure safe operation. |
| Grounding | Ensure the generator is properly grounded to prevent electrical shock. |
| Carbon Monoxide Detectors | Install battery-operated carbon monoxide detectors in your home for additional safety. |
How Can You Ensure Longevity Through Proper Maintenance of Your Portable Generator?
Proper maintenance of your portable generator is essential to ensure its longevity. Here are some key maintenance practices:
| Maintenance Practice | Frequency | Details |
|---|---|---|
| Regular Oil Changes: | Every 50 hours or at least once a year | Change the oil to keep the engine lubricated. |
| Air Filter Cleaning: | Regularly | Check and clean or replace the air filter to ensure optimal airflow. |
| Fuel System Maintenance: | As needed | Use fresh fuel and consider adding a fuel stabilizer if the generator will not be used for an extended period. |
| Battery Care: | Regularly | Check the battery and keep it charged to prevent sulfation. |
| Inspection of Hoses and Connections: | Regularly | Inspect hoses, connections, and electrical components for wear and corrosion. |
| Exercise the Generator: | Monthly | Run the generator for about 30 minutes to keep the components in good working order. |
Following these steps will help in maintaining your portable generator effectively, ensuring its reliability and extending its lifespan.
What Advantages Does a Portable Generator Provide for Whole House Power Needs?
Portable generators offer several advantages for whole house power needs:
| Advantage | Description |
|---|---|
| Flexibility | They can power essential appliances and systems during outages, providing electricity wherever needed. |
| Cost-Effectiveness | Compared to permanent generators, portable models are typically less expensive to purchase and maintain. |
| Ease of Use | Most portable generators are user-friendly, allowing for quick setup and operation in emergencies. |
| Mobility | Their lightweight design makes them easy to transport, allowing users to power devices at various locations. |
| Fuel Variety | Many portable generators can run on different fuel types, including gasoline, propane, and diesel, offering options based on availability and cost. |
| Safety Features | Many models are equipped with safety features such as circuit breakers and low-oil shutoff to protect the generator and connected appliances. |
| Power Output | Portable generators typically range from 1,000 to 10,000 watts, allowing users to select a model that meets their power needs. |
| Noise Levels | Many portable generators are designed to operate quietly, making them suitable for residential areas. |