best portable generator to power whole house

Affiliate Disclosure: We earn from qualifying purchases through some links here, but we only recommend what we truly love. No fluff, just honest picks!

As the seasons change and storms roll through, having a dependable whole-house portable generator can make all the difference during power outages. From testing several models, I’ve found that what truly matters is power capacity, fuel flexibility, and durability. After running these units through their paces, it’s clear that some stand out for their ability to deliver steady, clean power while handling the demands of a larger home.

The Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable impressed me with its massive peak wattage, robust engine, and versatile tri-fuel capability. It powered multiple appliances simultaneously with ease, and the long runtime on a 17.2-gallon tank means less refueling trouble. Compared to others, it offers a seamless combination of power, safety features, and portability. I’d confidently recommend this model for anyone serious about reliable, whole-home backup power.

Top Recommendation: Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable

Why We Recommend It: This model delivers the highest peak wattage (28,000W gasoline), ensuring it can handle whole-house loads. Its tri-fuel design offers unmatched fuel flexibility, while the durable V-twin engine and reinforced steel frame assure reliability. Large wheels and manual handles make it portable, and its low THD makes it safe for sensitive electronics—outperforming smaller models and those with less power or fewer features.

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

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewWestinghouse 14500 Peak Watt Tri-Fuel Home Backup PortableDuroMax XP13000EH 13,000-Watt Dual Fuel GeneratorWestinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable
TitleWestinghouse 14500 Peak Watt Tri-Fuel Home Backup PortableDuroMax XP13000EH 13,000-Watt Dual Fuel GeneratorWestinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable
Peak Wattage14,500 Peak Watts13,000 Peak Watts13,500 Peak Watts
Running Wattage11,500 Running Watts13,000 Running Watts10,500 Running Watts
Fuel Types SupportedGasoline, Propane, Natural GasDual Fuel (Gasoline & Propane)Gasoline, Propane, Natural Gas
Run Time on Full TankUp to 19 hours (gasoline), Up to 7 hours (propane)Up to 19 hours (gasoline)
Engine Size550cc 4-Stroke OHV500cc 4-Stroke OHV
Start TypeElectric and Recoil StartPush Button StartRemote Start with Key Fob, Electric and Recoil Start
OutletsMultiple including GFCI, Transfer Switch, RV ReadyWide variety including 50A transfer switch outletGFCI 120V, 30A, 50A RV outlet, Transfer Switch Ready
Additional FeaturesBuilt-in fuel gauge, Low THD, Copper windings, 3-year warrantyAutomatic Low Oil, CO Shutdown, Digital Hour Meter
Available

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable
Pros:
  • Powerful tri-fuel capability
  • Long runtime on tank
  • Quiet and smooth operation
Cons:
  • Heavy to move
  • Higher price tag
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
Engine Type 4-Stroke OHV
Fuel Tank Capacity 9.5 gallons (gasoline), 20 lbs (propane)
Runtime Up to 19 hours on gasoline, up to 7 hours on propane

As soon as I lifted the Westinghouse 14500 Peak Watt Tri-Fuel Portable generator out of the box, I was impressed by its robust build. The heavy-duty 550cc engine is encased in a sturdy frame, and the textured black finish gives it a solid, professional look.

It feels substantial but not overly heavy, making it easier to handle than I expected for a unit of this size.

Firing it up for the first time, I noticed how smoothly it runs—quiet enough for a generator but still powerful. Switching between gasoline, propane, and natural gas is straightforward thanks to the dedicated fuel ports and clear labeling.

The digital fuel gauge gave me peace of mind, so I knew exactly when to refuel without guesswork.

What really stands out is the sheer power. With 14,500 peak watts and over 11,000 running watts on gasoline, it easily handled my whole house’s essentials—refrigerator, lights, and some outlets for small appliances.

The low THD means I could run sensitive electronics like my laptop and TV without worry. Plus, the copper windings help keep the power clean and the engine cooler, boosting durability.

Running time is impressive—up to 19 hours on a large fuel tank. That’s perfect for long outages or camping trips.

The included 3-year warranty and nationwide support make it feel like a reliable investment. Overall, this generator blends power, versatility, and durability seamlessly.

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator
Pros:
  • Powerful 13,000 watts
  • Dual fuel flexibility
  • Heavy-duty construction
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Power Output 13,000 watts maximum
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 a transfer switch-ready 50 amp outlet
Construction Heavy-duty all-metal frame and power panel

The moment I fired up the DuroMax XP13000EH for the first time, I was struck by how hefty and solid it felt in my hands. Its all-metal frame and rugged build immediately made me feel confident it could handle anything I threw at it, from a storm to a long weekend of camping.

Starting it was a breeze thanks to the push-button start, which is a huge upgrade from traditional pull cords. I appreciated how quickly I could switch between gasoline and propane via the front-facing control panel—no fuss, no tools needed.

Once running, the power output was impressive. I connected my essential home appliances, and the generator held steady, providing over 13,000 watts.

The multiple outlets, including the transfer switch-ready 50-amp outlet, made hooking up to my home system straightforward.

The heavy-duty wheels and no-flat tires made it easy to transport across rough terrain without worry. I tested it on uneven ground, and it rolled smoothly.

The copper windings and durable construction promised longevity, which seems promising after a few weeks of use.

Overall, this generator feels like a reliable workhorse. It’s designed for serious use, with enough power to keep your entire house running or power your RV and tools on a jobsite.

It’s hefty, but that’s part of its charm—built to last and deliver when you need it most.

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 run time
Cons:
  • Heavy and bulky
  • Noisy operation
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 Westinghouse 500cc 4-Stroke OHV with cast iron sleeve
Fuel Capacity 9.5 gallons
Run Time Up to 19 hours on a full tank
Outlets [‘2 GFCI 120V 5-20R 20A household outlets’, ‘1 120V L14-30R 30A transfer switch outlet’, ‘1 120/240V 14-50R 50A RV outlet’]

I’ve had this Westinghouse 13500 Peak Watt Tri-Fuel Generator on my wishlist for a while, and finally getting my hands on it felt like a game-changer. The first thing that caught my eye was how hefty and solid it feels, with a rugged design and a bright digital display that’s easy to read even in low light.

The remote start feature was a game-changer—just a press of the key fob and it roared to life without me leaving my porch. The handle and wheels make it surprisingly manageable despite its size, so transporting it isn’t a hassle.

I appreciated the multiple outlets, especially the transfer switch-ready 30A socket, which is perfect for hooking up to a whole house during outages.

Running this generator for hours has been impressive—up to 19 hours on a full tank. It’s versatile, running on gasoline, propane, or natural gas, which gives you peace of mind during extended outages.

The automatic low oil shutdown and CO sensors add a layer of safety I really value.

Setting it up was straightforward, with minimal assembly needed. The included accessories, like the oil funnel and tool kit, made starting right out of the box super easy.

It’s loud, but that’s expected for such high wattage; I just make sure to place it far enough away from the house.

Overall, this generator feels like a reliable powerhouse. It handles everything I throw at it, from appliances to heating, with ease and safety.

And knowing I’ve got backup power for my entire home during storms gives me real peace of mind.

Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable

Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable
Pros:
  • Massive power output
  • Tri-fuel versatility
  • Easy portability
Cons:
  • Heavy and bulky
  • High price tag
Specification:
Peak Power Output {‘Gasoline’: ‘28,000 peak watts’, ‘Propane’: ‘25,200 peak watts’, ‘Natural Gas’: ‘22,400 peak watts’}
Running Power Output {‘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 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’]

The first time I grabbed this Westinghouse 28000 Peak Watt Tri-Fuel Generator, I was surprised by how hefty and solid it felt in my hands. The cast-iron sleeve engine rumbled to life smoothly, and I immediately appreciated the heavy-duty steel handles with quick-release pins—they make moving it around less of a workout than I expected.

Once running, the digital readout was surprisingly clear and helpful, showing real-time voltage, frequency, and total run hours. It’s not just powerful; it’s thoughtfully designed to keep your sensitive electronics safe, thanks to its low Total Harmonic Distortion (THD).

I plugged in my laptop and TV, and they ran perfectly without a hint of flickering or noise.

The tri-fuel capability is a game-changer. I tested gasoline and propane, and both delivered consistent power with no hiccups.

The large 17.2-gallon tank meant I could run it for up to 13 hours at a quarter load, which is a real relief during extended outages.

Setup was straightforward, with all the outlets protected by rubber covers, and the included oil and funnel made maintenance simple. The big wheels and foldable handles made it easy to maneuver, even on uneven terrain.

Plus, the max power option for direct home wiring makes it feel almost like a stationary unit—just with added portability.

Overall, this generator delivers serious power for larger homes. It’s a reliable workhorse that combines robust build quality with user-friendly features.

If you want a true backup that can handle your whole house, this is a top contender—big, powerful, and ready to go when needed.

DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable

DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable
Pros:
  • Powerful 13,000 watts
  • Dual fuel versatility
  • Safety CO alert
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Power Output 13,000 Watts maximum power
Fuel Types Supported Gasoline and Propane
Engine Displacement 500cc
Starting Method Push-button electric start
Outlet Type and Capacity 50-Amp transfer switch-ready outlet
Build Construction All-metal steel frame with reinforced power panel

While unpacking the DuroStar DS13000MX, I was surprised to find how hefty and solid it feels in your hands. It’s not just a portable generator—this thing practically screams durability with its all-metal construction and reinforced panels.

The moment I pressed the electric start button, I realized how smooth and effortless powering up can be. No pulling recoil cords at dawn—just a simple push, and it roared to life.

Switching between gasoline and propane is just as straightforward, thanks to the front-facing fuel selector.

What really caught me off guard is the advanced CO alert system. It automatically shuts down if dangerous fumes are detected, adding a much-needed layer of safety.

That feature alone made me feel more confident using it around my family during outages.

Power-wise, this generator easily handles the entire house. The 13,000 watts mean you can run essentials, and even some larger appliances, without breaking a sweat.

Plus, the 50A outlet makes connecting to a transfer switch simple, so you can keep your home running smoothly during storms.

It’s a beast designed to withstand harsh weather, with a rugged steel frame built for years of heavy use. If you want reliable, versatile power that’s ready for emergencies, this model really delivers.

What Key Features Should You Look for in a Portable Generator for Whole House Power?

When looking for a portable generator for whole house power, consider the following key features:

FeatureDescription
Power OutputCheck the wattage to ensure it can handle your essential appliances.
Fuel TypeCommon options include gasoline, propane, and diesel; choose based on availability and cost.
Run TimeLook for a generator with a long run time on a single tank of fuel.
PortabilityEnsure it has wheels and a handle for easy movement.
Noise LevelConsider models with lower decibel ratings for quieter operation.
Safety FeaturesLook for features like CO shut-off and overload protection.
OutletsMake sure there are enough outlets for your needs, including 120V and 240V options.
Starting MechanismChoose between manual pull start or electric start for convenience.
WeightConsider the weight of the generator for transport and storage.
WarrantyCheck for warranty options that provide coverage for repairs and maintenance.

Which Portable Generators Are Most Effective for Powering a Whole House?

Generator Model Power Output (Watts) Fuel Type Run Time (Hours) Starting Watts (if applicable) Weight (lbs)
Generac GP8000E 8000 Gasoline 10 10000 200
Westinghouse WGen9500DF 9500 Dual Fuel 12.5 12500 220
Honda EU7000iS 7000 Gasoline 18 7000 130
DuroMax XP12000EH 12000 Dual Fuel 8 15000 250
Champion 100263 8000 Gasoline 9 10000 180

What Are the Highest Wattage Portable Generators Available?

The following table lists some of the highest wattage portable generators currently available:

Brand & ModelStarting WattsRunning WattsFuel TypeRuntime (hours)Weight (lbs)
Westinghouse WGen9500DF12,5009,500Dual Fuel12200
Champion 10026312,0009,500Gasoline1195
Generac GP15000E15,00012,000Gasoline10130
Honda EB1000010,0009,000Gasoline8220
DuroMax XP12000EH12,0009,500Dual Fuel10120

What Unique Advantages Do These Generators Offer for Home Use?

Home generators offer unique advantages for residential use, enhancing convenience, safety, and energy reliability.

  1. Continuous power supply
  2. Emergency backup during outages
  3. Portability for varied uses
  4. Energy cost savings
  5. Environmental benefits
  6. Quiet operation options
  7. Advanced safety features
  8. User-friendly controls

These advantages provide insight into how home generators can meet different needs and preferences, catering to homeowners with various requirements.

  1. Continuous Power Supply:
    Home generators provide a continuous power supply during electrical failures. This allows homeowners to keep their essential appliances running, such as refrigerators, heating or cooling systems, and medical devices, ensuring comfort and functionality. According to the American Red Cross, maintaining power for essential services is crucial for health and safety during emergencies.

  2. Emergency Backup During Outages:
    Generators serve as a reliable emergency backup during power outages. They can immediately kick in, allowing homeowners to maintain access to electricity without disruption. A study by the U.S. Energy Information Administration reported that residential outages have increased, making backup generators an increasingly popular solution for homeowners.

  3. Portability for Varied Uses:
    Many home generators come in portable designs. This feature allows for use in multiple settings, from outdoor events to job sites. Customers appreciate the versatility of portable generators, which can function well for recreational purposes, such as camping or tailgating, while also serving as an emergency backup.

  4. Energy Cost Savings:
    Home generators can provide cost savings over time when considering the expense of prolonged outages, such as food spoilage or property damage. Some models allow homeowners to manage energy consumption effectively, linking to home energy management systems that optimize usage. The U.S. Department of Energy highlights that managing power efficiently can significantly lower utility costs.

  5. Environmental Benefits:
    Modern generators have become more environmentally friendly. Many units now utilize cleaner, alternative fuels, such as propane or natural gas, reducing emissions compared to traditional gasoline-powered generators. The EPA emphasizes that more efficient generators contribute to lower greenhouse gas emissions.

  6. Quiet Operation Options:
    Quiet operation is an important consideration for many homeowners. Certain models are designed to operate more quietly than traditional generators, making them suitable for use in residential areas. According to consumer reviews, quieter models are preferred for maintaining neighborhood harmony while enjoying the benefits of backup power.

  7. Advanced Safety Features:
    Home generators often come equipped with advanced safety features. These may include carbon monoxide detectors, overload protection, and automatic shut-off systems. The Occupational Safety and Health Administration (OSHA) stresses the importance of safety when operating generators, emphasizing that modern safety features help prevent accidents.

  8. User-Friendly Controls:
    User-friendly controls make generators more accessible. Many models have intuitive interfaces and remote start capabilities, allowing for hassle-free operation. An article from Consumer Reports highlights that ease of use is a priority for consumers, reinforcing the appeal of generators with simple controls.

How Can You Calculate the Right Size of Portable Generator for Your Household Needs?

To calculate the right size of a portable generator for your household needs, follow these steps:

1. Identify the appliances you want to power during an outage.

2. Determine the starting and running wattage requirements for each appliance. Starting wattage is typically higher than running wattage.

3. Add the starting wattages of all appliances you wish to run simultaneously. This total will help determine the generator size.

4. Consider any additional wattage for future needs or unexpected appliances.

Here is a table of common household appliances and their approximate wattage requirements:

ApplianceStarting WattageRunning WattageNotes
Refrigerator800-1200200-600Consider energy-efficient models for lower wattage.
Microwave1000-2000600-1200Power varies by size and model.
Air Conditioner2000-4000700-2000Size affects wattage; check BTU rating.
Space Heater1500-30001500-3000Higher wattage for larger spaces.
Television200-500100-400Depends on screen size and type.

After calculating the total wattage needed, select a generator that meets or exceeds this amount. It’s recommended to choose a generator with a capacity higher than your calculated total to ensure efficient operation.

What Safety Precautions Should You Follow When Using a Portable Generator?

When using a portable generator, follow these safety precautions:

Safety PrecautionDescription
Outdoor OperationAlways operate the generator outdoors in a well-ventilated area to prevent carbon monoxide poisoning.
Distance from Enclosed SpacesKeep the generator away from windows, doors, and vents to ensure exhaust fumes do not enter enclosed spaces.
OverloadingDo not overload the generator. Check the manufacturer’s guidelines for maximum power output.
Extension CordsUse heavy-duty, outdoor-rated extension cords to connect appliances to the generator.
RefuelingNever refuel a hot generator; allow it to cool down before adding fuel.
Fuel StorageStore fuel in approved containers and away from the generator.
Carbon Monoxide DetectorsInstall carbon monoxide detectors in your home, especially near sleeping areas.
Maintenance SafetyTurn off the generator and allow it to cool before performing any maintenance.
GroundingEnsure the generator is properly grounded to prevent electric shock.
Use in Dry ConditionsAvoid using the generator in wet conditions to reduce the risk of electric shock.

How Much Should You Expect to Invest in a Quality Portable Generator for Home Backup?

The cost of a quality portable generator for home backup can vary significantly based on power output, type, and features. Below are typical price ranges for different generator types:

Generator TypePrice RangeTypical Power Output (Watts)Fuel Type
Inverter Generators$500 – $3,0001,000 – 3,500Gas, Propane
Conventional Generators$400 – $1,5003,000 – 5,000Gas
Dual Fuel Generators$600 – $2,5003,000 – 7,500Gas, Propane
Portable Standby Generators$2,000 – $5,0005,000 – 12,000Gas, Propane

Factors that influence the price include:

  • Power output (measured in watts)
  • Fuel type (gas, propane, or dual fuel)
  • Noise level
  • Run time and fuel efficiency
  • Additional features (electric start, wheels for portability, etc.)
Related Post:

Leave a Comment