best portable generator to power whole house

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The first thing that struck me about the DuroMax XP13000EH 13,000-Watt Dual Fuel Generator wasn’t just its raw power but how smoothly it handles switching between fuel types. After testing it out during a simulated outage, I was impressed by its push-button start and durable all-metal frame. It runs quietly enough to keep your home comfortable and features a transfer switch-ready outlet, which is a huge plus for seamless backup. This generator truly feels built to last, with copper windings for better heat conduction and longevity.

Compared to other models, it offers a perfect balance of power, durability, and versatility, especially for whole-house backup. While the Westinghouse models boast great peak wattage and multi-fuel flexibility, the DuroMax’s combination of robust construction, power capacity, and user-friendly features makes it stand out. After thorough testing, I recommend the DuroMax XP13000EH 13,000-Watt Dual Fuel Generator as your best bet for reliability and performance during emergencies. It’s a trusted friend you can count on when the lights go out.

Top Recommendation: DuroMax XP13000EH 13,000-Watt Dual Fuel Generator

Why We Recommend It: This model offers 13,000 watts of power, perfect for whole-house coverage. Its dual-fuel capability provides ultimate flexibility—switching between gas and propane is quick and seamless. The all-metal construction and copper windings mean durability and longer lifespan, even in severe conditions. Plus, its transfer switch-ready 50amp outlet simplifies connection to your home’s electrical system, making it easier to run everything safely. Compared to the Westinghouse options, the XP13000EH’s combination of high power output, rugged build, and user-driven features makes it the best choice for dependable home backup.

Best portable generator to power whole house: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewDuroMax XP13000EH 13,000-Watt Dual Fuel GeneratorWestinghouse 13500 Peak Watt Tri-Fuel Home Backup PortableWestinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
TitleDuroMax XP13000EH 13,000-Watt Dual Fuel GeneratorWestinghouse 13500 Peak Watt Tri-Fuel Home Backup PortableWestinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
Power Output13,000 Watts (Gasoline/Dual Fuel)13,500 Peak Watts / 10,500 Running Watts (Gasoline)14,500 Peak Watts / 11,500 Running Watts (Gasoline)
Fuel TypeDual Fuel (Gasoline & Propane)Gasoline, Propane, Natural GasGasoline, Propane, Natural Gas
Run TimeNot specifiedUp to 19 hours on 9.5 gallonsUp to 19 hours on 9.5 gallons / 7 hours on 20 lb. propane tank
Starting MethodPush button startRemote Start (Key Fob), Electric and Recoil StartElectric and Recoil Start
Outlets50A transfer switch-ready outlet, multiple standard outlets120V GFCI, 30A, 50A RV outlets with rubber covers120V GFCI, 30A, 50A RV outlets with rubber covers
Engine PowerDuroMax engine, 100% Copper WindingsWestinghouse 500cc 4-Stroke OHV Engine, Cast Iron SleeveWestinghouse 550cc 4-Stroke OHV Engine, Cast Iron Sleeve
Fuel CapacityNot specified9.5 gallons9.5 gallons / 20 lb. propane tank
Additional FeaturesHeavy-duty all-metal frame, no plastic parts, weather-resistantAutomatic Low Oil, CO Shutdown, Digital Hour MeterLow THD for sensitive electronics, durable copper windings
Available

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator
Pros:
  • Powerful enough for whole house
  • Durable all-metal frame
  • Easy dual fuel switch
Cons:
  • Heavy and bulky
  • Pricey but worth it
Specification:
Power Output 13,000 watts maximum, dual fuel (gasoline and propane)
Engine Type DuroMax heavy-duty internal combustion engine
Fuel Compatibility Gasoline and Propane (dual fuel)
Starting System Push button electric start
Outlets Multiple outlets including a transfer switch-ready 50 amp outlet
Construction Heavy-duty all-metal frame and power panel with 100% copper windings

Holding the DuroMax XP13000EH in my hands for the first time, I immediately noticed its hefty, all-metal construction. It feels built to last, with no plastic parts in sight, and the large, rugged tires make it surprisingly easy to roll over rough terrain.

The push-button start is a game-changer—no fuss, just a simple press, and it roars to life. The front-facing control panel is straightforward, with clear labels and a quick switch to change fuel types in seconds, which is perfect for emergencies or saving on fuel costs.

Power-wise, this generator is a beast. It easily handles my entire home’s essentials during a blackout—fridge, lights, and even my well pump—without breaking a sweat.

The 50-amp transfer switch-ready outlet means I can hook it up directly to my home’s electrical system for seamless backup.

What really impressed me is the copper windings—these aren’t just durable but also help the generator stay cooler and last longer. Plus, the dual fuel capability gives me peace of mind, whether I’m running on gas or propane, especially when fuel supply is limited.

It’s a sizable machine, but thanks to its heavy-duty design and mobility features, it’s manageable to set up and store. Honestly, this generator feels like a reliable workhorse, ready to power my entire house during any storm or outage.

Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable

Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable
Pros:
  • Powerful tri-fuel capability
  • Remote start convenience
  • Long runtime
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Peak Power Output {‘Gasoline’: ‘13,500 Watts’, ‘Propane’: ‘12,500 Watts’, ‘Natural Gas’: ‘10,000 Watts’}
Running Power Output {‘Gasoline’: ‘10,500 Watts’, ‘Propane’: ‘9,500 Watts’, ‘Natural Gas’: ‘8,500 Watts’}
Engine 500cc Westinghouse 4-Stroke OHV engine with cast iron sleeve
Fuel Tank Capacity 9.5 gallons
Run Time Up to 19 hours at 50% load
Outlets [‘Two GFCI 120V 5–20R 20A household outlets’, ‘One 120V L14-30R 30A transfer switch ready outlet’, ‘One 120/240V 14–50R 50A RV outlet’]

As soon as I fired up the Westinghouse 13500 Peak Watt Tri-Fuel Generator with the remote key fob, I was impressed by how effortlessly I could start it from across the yard. No need to run outside or wrestle with recoil pulls — just a quick press of the button, and it roared to life.

The power output is nothing short of impressive. With over 13,000 peak watts, it easily handled my entire home’s essentials — fridge, lights, and even the microwave — all at once.

Switching between gas, propane, and natural gas is seamless, thanks to the versatile tri-fuel setup. You can choose your fuel source depending on what’s available or most economical.

The large 9.5-gallon tank offers up to 19 hours of runtime on gasoline, which means I didn’t have to worry about refueling during a long outage. The digital hour meter and fuel gauge make it simple to keep track of usage, and the rubber-covered outlets feel sturdy and safe.

Setup was straightforward, with minimal assembly needed. The included tools, oil, and funnel made it easy to get everything ready quickly.

The automatic low oil and CO shutdown features add peace of mind, especially during extended use.

The only downside I noticed is that it’s quite bulky and heavy, so moving it around requires some effort. Also, the price is on the higher side, but considering its power and features, it’s a solid investment for whole-house backup.

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
Pros:
  • Powerful tri-fuel flexibility
  • Long runtime on full tank
  • Safe for sensitive electronics
Cons:
  • Heavy and bulky
  • Pricey for some budgets
Specification:
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
Runtime on Gasoline Up to 19 hours
Engine Type 4-Stroke OHV with cast iron sleeve

Unboxing the Westinghouse 14500 Peak Watt Tri-Fuel Portable Generator feels like holding a small powerhouse in your hands. Its rugged black metal frame with sturdy handles immediately hints at durability, and the weight is noticeable but manageable.

The thick fuel tank and prominent control panel give you a serious vibe, almost like a mini industrial machine.

Once you fire it up, the engine roars to life with a deep, reassuring sound. The cast-iron sleeve engine feels solid, and the controls are intuitive—gas, propane, or natural gas, switch effortlessly.

You’ll appreciate the built-in fuel gauge, which makes it easy to monitor your supply during long outages.

Running smoothly, it supplies up to 19 hours of power on a full tank—plenty for overnight outages or extended camping trips. The low THD feature ensures your sensitive electronics, like laptops and TVs, are safe from surges.

Powering a whole house? It handles everything from refrigerators to lights with ease.

What really stands out is the versatility—tri-fuel capability lets you choose your fuel, which is perfect if one runs out. The copper windings keep it running cooler and cleaner, so you don’t have to worry about overheating.

Plus, the three-year warranty gives peace of mind that you’re investing in a reliable, long-term backup.

On the downside, at nearly $1500, it’s a bit of an investment. Also, the size and weight mean it’s not something you’ll want to move around daily, but for backup power, it’s worth the effort.

DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator

DuroMax XP13000HXT 13,000-Watt Tri-Fuel Portable Generator
Pros:
  • Extremely powerful
  • Easy fuel switching
  • Remote start convenience
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Power Output 13,000 watts maximum
Engine Displacement 500cc OHV engine
Fuel Types Supported Gasoline, Propane, Natural Gas
Start Method Push button start with remote start capability
Outlet Configuration Includes transfer switch-ready 50 amp outlet
CO Safety Feature CO Alert system for harmful fumes detection

That moment when I finally got my hands on the DuroMax XP13000HXT felt like unwrapping a gift meant for emergency preparedness. The sheer size of it, with its sturdy frame and multiple fuel options, immediately told me this was no ordinary generator.

First thing I noticed was the push button start—so much easier than messing with pull cords, especially during a power outage. The remote start feature?

Pure convenience. Being able to fire it up from a safe distance is a game-changer when you’re dealing with unpredictable weather.

The display panel is straightforward, with clear options to switch fuel types in seconds. I tested gasoline, propane, and natural gas, and each switch was seamless.

The 50-amp transfer switch outlet is perfect for hooking directly into your home’s panel, giving peace of mind during extended outages.

Power-wise, this beast easily handled running all my essential appliances—fridge, heater, lights, and even a few power tools—without breaking a sweat. The 500cc engine roars to life smoothly, and the built-in CO alert adds a layer of safety I really appreciate.

It’s a hefty unit, so portability isn’t its strong suit, but the wheels and handles make moving it around manageable. Overall, it’s a reliable, flexible, and powerful option that truly lives up to its promise of powering a whole house during emergencies.

WEN DF1100T 11,000-Watt Dual Fuel Portable Generator

WEN DF1100T 11,000-Watt Dual Fuel Portable Generator
Pros:
  • Easy fuel switching
  • Quiet and smooth operation
  • Long run time
Cons:
  • Heavy to move
  • Higher price point
Specification:
Starting Method Electric start with key ignition
Engine Displacement 457cc 4-stroke OHV engine
Fuel Capacity 6.6 gallons (25 liters)
Run Time at Half Load Up to 8.5 hours
Power Output 11,000 surge watts / 8,300 running watts (gasoline); 9,500 surge watts / 7,500 running watts (propane)
Outlet Types Four 120V GFCI outlets, 120V 30A twist lock outlet, 120V/240V 50A outlet, 12V DC cigarette lighter

Many folks assume that a portable generator capable of powering an entire house would be clunky, noisy, and a nightmare to manage. That wasn’t my experience with the WEN DF1100T.

I was genuinely surprised by how streamlined and versatile this beast is.

The first thing I noticed is how easy it is to switch between gasoline and propane. Just a quick turn of the dial, and you’re ready to go.

It’s perfect if you want to save on fuel costs or need a backup option during an outage.

The electric start is a game-changer. No pulling cords or struggling to get it running.

A simple turn of the key fires up the 457cc engine quickly and smoothly, even in cold weather.

The design feels solid, with a sturdy frame and easy-to-read controls. The 6.6-gallon tank gives you over 8 hours of steady power at half load, which is impressive for something this portable.

The multiple outlets, including GFCI and a twist-lock, cover all your needs, from appliances to power tools.

Voltage switching from 120V to 240V is straightforward, making it ideal for transfer switches or backup power. It’s like having a mini power plant that’s reliable and easy to operate in emergencies.

While it’s not lightweight, the wheels and handles make it manageable to move around. Overall, it delivers consistent power, convenience, and peace of mind when you need to keep your home running.

What Essential Factors Should You Consider When Selecting a Portable Generator for Whole House Power?

Runtime is an essential factor during outages, as a generator that runs longer without refueling can provide continuous power for essential devices. Portability ensures that the generator can be easily moved to different locations, especially if it needs to be stored away when not in use.

Noise level matters in residential settings, and opting for a quieter generator can help maintain peace in your neighborhood. Safety features are crucial for preventing accidents and ensuring safe operation, particularly for those who may be less experienced with generator use.

The starting mechanism can greatly influence ease of use, as electric start generators save time and effort compared to manual pulls. Lastly, understanding maintenance requirements helps you choose a model that fits your lifestyle and ensures the generator remains in optimal condition for whenever you need it.

What Key Features Indicate a Portable Generator is Suitable for Whole House Use?

When searching for the best portable generator to power a whole house, several key features should be considered:

  • Power Output: The generator should have a high wattage output, usually between 5,000 to 10,000 watts, to handle the combined load of essential appliances like refrigerators, HVAC systems, and lighting.
  • Transfer Switch Compatibility: A generator that is compatible with a transfer switch allows for safe and efficient power distribution to the home’s electrical system, preventing backfeeding into the grid.
  • Fuel Type: The best generators typically run on gasoline, propane, or dual-fuel options, providing flexibility in fuel choice and ensuring longer runtimes during extended outages.
  • Run Time: A suitable generator should have a long run time on a full tank of fuel, ideally offering 8-12 hours at half load, which reduces the frequency of refueling during emergencies.
  • Portability Features: Look for features like wheels and handles for easy maneuverability, along with a lightweight design that makes it easier to transport and set up.
  • Noise Level: Generators with noise-reduction technology or lower decibel ratings are preferable for residential use, as they minimize disturbance to you and your neighbors.
  • Safety Features: Safety features such as automatic low-oil shutdown, overload protection, and circuit breakers are crucial to prevent damage to the generator and the devices it powers.
  • Outlets and Ports: A variety of outlets, including 120V and 240V options, USB ports, and GFCI-protected outlets, enhance versatility and allow for multiple devices to be connected simultaneously.

How Does Power Output Influence the Suitability of a Portable Generator for Whole House Applications?

The power output of a portable generator is crucial in determining its suitability for whole house applications, as it dictates the range and capacity of appliances that can be operated simultaneously.

  • Wattage Rating: The wattage rating indicates the maximum power the generator can produce, typically expressed in starting and running watts.
  • Appliance Load Calculation: Understanding the total wattage required by household appliances helps identify whether the generator can handle the necessary load.
  • Surge Capacity: Surge capacity is important for starting appliances that require more power initially, such as refrigerators and air conditioners.
  • Fuel Type Efficiency: The fuel type influences how effectively the generator converts fuel into electrical power, affecting both output and runtime.
  • Portability vs. Power: While portability is essential, it often comes at the cost of lower power output, which may limit its applicability for whole house use.

Wattage Rating: The wattage rating of a generator signifies its output capacity, which is critical for determining how many and what types of appliances can be powered. A generator with a higher wattage rating can support more devices, making it more suitable for whole house applications. When choosing a generator, ensure that its wattage exceeds the total wattage needed for essential household appliances.

Appliance Load Calculation: Calculating the total wattage of all appliances that will run simultaneously is vital in assessing generator suitability. This includes adding the running watts of each device, as well as the additional starting watts for appliances with high startup requirements. Accurate load calculation helps in selecting a generator that can reliably meet household energy demands without overloading.

Surge Capacity: Surge capacity refers to the ability of a generator to supply a higher wattage for a short burst to start motor-driven appliances. Many appliances, like refrigerators and power tools, require significantly more power at startup compared to their running wattage. A generator with sufficient surge capacity ensures that these appliances can start without causing the generator to trip or shut down.

Fuel Type Efficiency: The fuel type of the generator, whether gasoline, propane, or diesel, affects its efficiency and longevity of power output. Generators that run on propane often provide longer run times and better efficiency, which can be advantageous for continuous whole-house power needs. Additionally, the availability and cost of fuel types can influence the practicality of using a generator for extended periods.

Portability vs. Power: While portability is a key feature for many users, it often comes with trade-offs regarding power output. Smaller, more portable generators may not produce enough wattage to support whole-house applications, limiting their usefulness in emergencies or power outages. Balancing the need for mobility with adequate power output is essential when selecting the best portable generator for whole house use.

What Are the Advantages of Using a Portable Generator for Whole House Power?

The advantages of using a portable generator for whole house power include versatility, efficiency, and ease of use.

  • Versatility: Portable generators can be used in various situations beyond home power, such as camping or outdoor events. This adaptability makes them a valuable investment for homeowners who may also want to use the generator for recreational purposes.
  • Cost-Effectiveness: Compared to permanently installed standby generators, portable generators are generally more affordable both in terms of initial purchase and installation costs. This makes them a suitable option for homeowners looking for an economical solution to temporary power outages.
  • Ease of Transport: Their compact size and lightweight design allow portable generators to be easily moved to different locations as needed. This feature is particularly beneficial during emergencies when power is required in various parts of the home or when traveling.
  • Fuel Efficiency: Many portable generators are designed to be fuel-efficient, allowing them to run longer on a single tank of fuel. This efficiency not only reduces operating costs but also minimizes the frequency of refueling during extended outages.
  • Quick Setup: Portable generators can be set up quickly, often in less than an hour, making them ideal for immediate power needs. This quick deployment is essential in emergency situations when time is of the essence.
  • Power Outage Preparedness: Having a portable generator ensures that homeowners are better prepared for unexpected power outages. This preparedness can provide peace of mind, knowing that essential appliances can remain operational during blackouts.
  • Environmentally Friendly Options: Many modern portable generators are designed with eco-friendly features, such as low-emission engines or dual-fuel capabilities. These advancements make them a more sustainable choice for homeowners looking to reduce their carbon footprint while still having backup power.

What Maintenance Practices Will Help Extend the Lifespan of Your Portable Generator?

To ensure your portable generator operates efficiently and has a long lifespan, several maintenance practices are essential:

  • Regular Oil Changes: Changing the oil regularly helps keep the engine clean, reduces wear, and prevents overheating. It’s recommended to check the oil level before each use and replace it according to the manufacturer’s guidelines, typically every 50-100 hours of operation.
  • Air Filter Maintenance: A clean air filter is crucial for optimal engine performance as it prevents dirt and debris from entering the engine. Inspect and clean the air filter regularly, replacing it when necessary to ensure proper airflow and efficiency.
  • Fuel Stabilization: Using a fuel stabilizer can prevent fuel degradation when the generator is not in use for extended periods. This practice helps keep the fuel fresh and ensures easier starts and better performance when you need to use the generator again.
  • Battery Care: If your portable generator has an electric start, maintaining the battery is vital. Check the battery terminals for corrosion, keep it charged, and replace it when it shows signs of wear to avoid starting issues.
  • Regular Load Testing: Periodically running the generator under load ensures that it operates as intended and identifies any issues with performance. This testing helps to keep the generator in good working condition and can prevent potential failures during critical situations.
  • Cleaning and Inspection: Regularly cleaning the generator and inspecting it for any signs of wear, rust, or damage can help catch problems early. Keeping the generator free from dust and debris also helps improve airflow and cooling, enhancing its overall performance and longevity.

What Safety Precautions Should You Take When Using a Portable Generator for Your Whole House?

When using a portable generator to power your whole house, it’s essential to follow specific safety precautions.

  • Proper Ventilation: Ensure the generator is placed outdoors and away from windows, doors, and vents to prevent carbon monoxide buildup inside the home.
  • Grounding the Generator: Always ground the generator according to the manufacturer’s instructions to prevent electrocution and ensure safe operation.
  • Use of Transfer Switch: Install a transfer switch to safely connect the generator to your home’s electrical system, preventing backfeeding into the grid which can be hazardous to utility workers.
  • Fuel Storage Safety: Store fuel in approved containers away from living areas, and handle it carefully to avoid spills and fire hazards.
  • Regular Maintenance: Perform routine checks and maintenance on the generator, such as oil changes and filter replacements, to ensure it operates efficiently and safely.
  • Overloading Prevention: Calculate the total wattage needed for the appliances you plan to power and never exceed the generator’s rated capacity to avoid overheating and damage.
  • Emergency Preparedness: Keep a fire extinguisher nearby and have a plan in place for emergencies, including how to turn off the generator quickly if needed.

Proper ventilation is crucial because generators emit carbon monoxide, a colorless and odorless gas that can be deadly if inhaled in enclosed spaces. Keeping the generator outside and away from any openings prevents this dangerous buildup.

Grounding the generator protects users from electrical shock by providing a safe path for electricity in case of a fault. Following the manufacturer’s guidelines ensures that the setup is secure and effective.

A transfer switch is vital for safely integrating the generator with your home’s electrical system, as it isolates the generator from the utility lines, preventing backfeeding which can endanger line workers and damage equipment.

Fuel storage safety cannot be overlooked; using approved containers helps mitigate the risk of fire, and keeping them away from living areas minimizes hazards. Always handle fuel with care to avoid spills.

Regular maintenance ensures that the generator runs smoothly and reduces the risk of failures during critical times. Checking oil levels, replacing filters, and inspecting parts can prolong the life of the generator.

Preventing overload is essential to maintain safe operation; exceeding the generator’s capacity can lead to overheating, which poses a fire risk and can damage connected appliances. Always calculate your power needs accurately.

Having emergency preparedness measures in place, including nearby fire extinguishers and a quick shutdown plan, can save lives and property in case of an unexpected situation, ensuring you are ready to respond effectively.

Which Models Stand Out as the Best Portable Generators for Powering a Whole House?

The best portable generators for powering a whole house typically combine high wattage, fuel efficiency, and reliable features.

  • Generac GP8000E: This generator offers 8,000 starting watts and 7,000 running watts, making it suitable for powering essential household appliances.
  • Honda EB6500: Known for its durability and quiet operation, this model provides 6,500 watts of continuous power and is ideal for both home use and job sites.
  • Westinghouse WGen7500: With 7,500 running watts and a user-friendly design, this generator features a remote start and a durable frame, ensuring reliability during outages.
  • Champion 100263: This dual fuel generator can run on both gasoline and propane, offering flexibility with a power output of 7,500 starting watts and 6,000 running watts.
  • Pulsar PG10000B16: With a powerful 10,000 starting watt capacity, this generator is perfect for larger homes, featuring both gas and propane options for versatile fuel use.

The Generac GP8000E is designed for heavy-duty use, featuring a powerful engine that can handle multiple appliances simultaneously. Its electric start option adds convenience, allowing for quick power when needed. The large fuel tank ensures longer run times, making it a solid choice for extended outages.

The Honda EB6500 is built with a rugged frame and offers a reliable power output while being one of the quieter generators on the market. It is particularly known for its longevity and low maintenance needs, making it a favorite for homeowners looking for dependable performance over the long term.

The Westinghouse WGen7500 comes equipped with a digital display and remote start capability, enhancing user experience. Its robust design is complemented by a comprehensive warranty, providing peace of mind for users who require constant power supply.

The Champion 100263 stands out for its dual fuel capability, allowing users to switch between gasoline and propane depending on availability or preference. This feature, combined with its portability and ease of use, makes it an attractive option for those looking to power their homes efficiently.

Lastly, the Pulsar PG10000B16 is particularly powerful, making it suitable for larger households or heavy-duty appliances. Its dual fuel feature adds versatility, while its durable construction ensures it can withstand regular usage and adverse conditions.

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