You might not realize that most portable generators can’t safely power your well pump and AC simultaneously. But the right whole house model can handle your entire load automatically, switching on the moment the grid fails. Let’s explore ten options that guarantee you’ll stay comfortable and connected, no matter the storm.
| Westinghouse 28000 Watt Tri-Fuel Portable Generator |  | Extreme Power | Continuous Power Output (Watts): 20,000 (gasoline); 18,000 (propane); 16,000 (natural gas) | Fuel Type(s): Tri-fuel (gasoline, propane, natural gas) | Starting Method: Push-button electric with remote key fob | VIEW LATEST PRICE | Read Our Analysis |
| DuroStar DS13000MX Dual Fuel Portable Generator |  | Best Value | Continuous Power Output (Watts): 10,500 | Fuel Type(s): Dual fuel (gasoline, propane) | Starting Method: Push-button electric start | VIEW LATEST PRICE | Read Our Analysis |
| Generac Guardian 22kW Home Generator Transfer Switch & WiFi Monitoring |  | Best Overall | Continuous Power Output (Watts): 22,000 | Fuel Type(s): Dual fuel (natural gas, propane) | Starting Method: Automatic (standby) | VIEW LATEST PRICE | Read Our Analysis |
| Generac 26kW Whole Home Generator Cellular Capability |  | Premium Power | Continuous Power Output (Watts): 26,000 | Fuel Type(s): Dual fuel (natural gas, propane) | Starting Method: Automatic (standby) | VIEW LATEST PRICE | Read Our Analysis |
| Generac 22kW Whole Home Generator Transfer Switch & Cellular Capability |  | Smart Choice | Continuous Power Output (Watts): 22,000 | Fuel Type(s): Dual fuel (natural gas, propane) | Starting Method: Automatic (standby) | VIEW LATEST PRICE | Read Our Analysis |
| Westinghouse 14500 Watt Tri-Fuel Portable Generator |  | Most Versatile | Continuous Power Output (Watts): 11,500 (gasoline); 10,500 (propane); 9,500 (natural gas) | Fuel Type(s): Tri-fuel (gasoline, propane, natural gas) | Starting Method: Push-button electric with remote key fob | VIEW LATEST PRICE | Read Our Analysis |
| Honeywell 14kW Home Standby Generator |  | Budget-Friendly | Continuous Power Output (Watts): 14,000 | Fuel Type(s): Dual fuel (natural gas, propane) | Starting Method: Automatic (standby) | VIEW LATEST PRICE | Read Our Analysis |
| DuroMax XP13000EH Dual Fuel Portable Generator |  | Most Popular | Continuous Power Output (Watts): 10,500 | Fuel Type(s): Dual fuel (gasoline, propane) | Starting Method: Push-button electric start | VIEW LATEST PRICE | Read Our Analysis |
| Westinghouse 12500 Watt Dual Fuel Portable Generator |  | Best Portability | Continuous Power Output (Watts): 9,500 (gasoline); 8,500 (propane) | Fuel Type(s): Dual fuel (gasoline, propane) | Starting Method: Push-button electric with remote key fob | VIEW LATEST PRICE | Read Our Analysis |
| Westinghouse 6500 Watt Dual Fuel Generator |  | Lightweight Champion | Continuous Power Output (Watts): 5,300 (gasoline); 4,800 (propane) | Fuel Type(s): Dual fuel (gasoline, propane) | Starting Method: Push-button electric start | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Westinghouse 28000 Watt Tri-Fuel Portable Generator
If you need extreme power for a whole home, this is your heavyweight champion. The Westinghouse 28000 Watt Tri-Fuel Portable Generator cranks out massive electricity: 28,000 peak watts on gasoline, or 25,200 on propane. You’ll get 16,000 running watts from natural gas too, so you’re never stuck. Its 999 cc V-Twin engine runs up to 15 hours on a full 17.2-gallon tank. You get nine outlets, including two 50A and two 30A receptacles, all ready for a transfer switch. Plus, a 125A terminal block lets your electrician hardwire it directly.
- Continuous Power Output (Watts):20,000 (gasoline); 18,000 (propane); 16,000 (natural gas)
- Fuel Type(s):Tri-fuel (gasoline, propane, natural gas)
- Starting Method:Push-button electric with remote key fob
- Total Harmonic Distortion (THD):Less than 5%
- Safety Features:Automatic low-oil shutdown, built-in CO sensor
- Warranty Length:3-year limited warranty
- Additional Feature:Remote key fob start
- Additional Feature:125A AC terminal block for hardwiring
- Additional Feature:Never-flat wheels with lift bracket
DuroStar DS13000MX Dual Fuel Portable Generator
For homeowners juggling budget and backup power needs, this dual fuel workhorse earns its place on our list. You get 13,000 peak watts and 10,500 running watts from a 500cc OHV engine. Run your lights, appliances, and even central air. Choose gasoline for maximum power or propane for cleaner, longer runtime up to 17 hours with its 8.3-gallon tank. Safety? An integrated CO alert sensor shuts it down automatically if dangerous levels build up. Push button electric start makes it easy. The rugged steel frame and 50-amp outlet connect directly to your transfer switch for whole home backup. Plus, you get a 3 year warranty.
- Continuous Power Output (Watts):10,500
- Fuel Type(s):Dual fuel (gasoline, propane)
- Starting Method:Push-button electric start
- Total Harmonic Distortion (THD):Not specified
- Safety Features:CO alert sensor with auto shutdown, low oil shutdown
- Warranty Length:3-year limited warranty
- Additional Feature:Remote control included
- Additional Feature:All-metal steel frame construction
- Additional Feature:17 hours runtime at 25% load
Generac Guardian 22kW Home Generator Transfer Switch & WiFi Monitoring
You’re after whole-house backup that truly covers you completely, with no compromises. The Generac Guardian 22kW delivers that, and then some. It kicks on automatically within seconds of a power loss, runs on natural gas or propane, and pumps out 22,000 watts of clean power via True Power Technology. That means less than 5% harmonic distortion for your sensitive electronics. But what really sets it apart is the built in WiFi monitoring. You can check performance, status, and maintenance alerts from anywhere using the Generac Mobile Link app. No more worrying while you’re away. It’s peace of mind, automated. Plus, with a 5 year warranty and over 6,000 dealers nationwide, you’re covered for the long haul.
- Continuous Power Output (Watts):22,000
- Fuel Type(s):Dual fuel (natural gas, propane)
- Starting Method:Automatic (standby)
- Total Harmonic Distortion (THD):Less than 5%
- Safety Features:Automatic voltage regulation, overload protection, short circuit protection
- Warranty Length:5-year limited warranty
- Additional Feature:WiFi/Mobile Link remote monitoring
- Additional Feature:200A NEMA 3R smart transfer switch
- Additional Feature:True Power Technology under 5% THD
Generac 26kW Whole Home Generator Cellular Capability
Generac’s 26kW whole home generator puts premium power right where you need it, automatically. It detects an outage and fires up within seconds, keeping your entire house running on natural gas or propane. You get real-time control through the Mobile Link app, with cellular and Wi-Fi monitoring that sends maintenance alerts straight to your phone. No more worrying about snow or ice intrusion, thanks to the sloped roof and rear intake. And with a 5-year warranty plus 24/7 support from over 9,000 dealers, you’re covered. This unit weighs 524 pounds, but it’s built to last with aluminum and steel construction.
- Continuous Power Output (Watts):26,000
- Fuel Type(s):Dual fuel (natural gas, propane)
- Starting Method:Automatic (standby)
- Total Harmonic Distortion (THD):Not specified
- Safety Features:Low oil shutdown, weather-resistant design, oil level sensors
- Warranty Length:5-year limited warranty
- Additional Feature:Cellular and WiFi monitoring capability
- Additional Feature:Sloped roof for snow/ice protection
- Additional Feature:Best-in-class service intervals
Generac 22kW Whole Home Generator Transfer Switch & Cellular Capability
Give your whole home a smart choice with the Generac 22kW. This unit brings you automatic backup power, connecting to your natural gas or propane supply. It starts within seconds of an outage, covering your essential circuits or the whole house. And you get a 200 amp transfer switch for seamless power transfer.
Plus, cellular connectivity is built in. Use the Mobile Link app on your phone to monitor performance and get maintenance alerts, no matter where you are. The electronic fuel control optimizes usage, cutting emissions and costs. With a rugged aluminum and steel enclosure weighing 451 pounds, it resists snow and ice. Backed by a 5-year warranty and nationwide support, it’s a reliable investment.
- Continuous Power Output (Watts):22,000
- Fuel Type(s):Dual fuel (natural gas, propane)
- Starting Method:Automatic (standby)
- Total Harmonic Distortion (THD):Not specified
- Safety Features:Low oil shutdown, automatic voltage regulation, oil level sensors
- Warranty Length:5-year limited warranty
- Additional Feature:Built-in cellular connectivity
- Additional Feature:200A automatic transfer switch
- Additional Feature:Enhanced cold start performance
Westinghouse 14500 Watt Tri-Fuel Portable Generator
Think of the Westinghouse 14500 Watt Tri-Fuel Portable Generator as the most versatile powerhouse for anyone unsure whether the power will go out for a few hours or a few days. You get up to 14,500 peak watts on gasoline, or switch to propane or natural gas. That 550cc engine with a cast iron sleeve runs strong. You’ll love the electric start and remote key fob, plus the VFT data center shows you voltage, frequency, and runtime. With less than 5% THD, it’s safe for your sensitive electronics. And those never-flat wheels make moving its 230 pounds a breeze. You’re covered by a 3-year warranty, too.
- Continuous Power Output (Watts):11,500 (gasoline); 10,500 (propane); 9,500 (natural gas)
- Fuel Type(s):Tri-fuel (gasoline, propane, natural gas)
- Starting Method:Push-button electric with remote key fob
- Total Harmonic Distortion (THD):Less than 5%
- Safety Features:Low oil shutdown, automatic voltage regulation
- Warranty Length:3-year limited warranty
- Additional Feature:Remote start key fob
- Additional Feature:Never-flat wheels with handle
- Additional Feature:VFT data center display
Honeywell 14kW Home Standby Generator
Honeywell’s 14kW generator is a budget-friendly choice for reliable whole-home backup. It runs on natural gas or propane, tapping into your existing fuel supply. With 16 power outlets, you can cover essential circuits or go whole house.
You’ll appreciate the PrecisionPower Technology. It delivers less than 5% total harmonic distortion, safe for your sensitive electronics. The Generac G-Force engine is pressure-lubricated, so durability comes standard. Plus, the Quiet-Test Self-Test Mode runs at lower RPM for just 5 or 12 minutes, saving fuel and noise.
The RhinoCoat aluminum enclosure resists corrosion, standing up to any weather. Automatic operation kicks in within seconds of an outage. And you get a 3 year warranty for peace of mind.
- Continuous Power Output (Watts):14,000
- Fuel Type(s):Dual fuel (natural gas, propane)
- Starting Method:Automatic (standby)
- Total Harmonic Distortion (THD):Less than 5%
- Safety Features:Automatic shutdown, short circuit protection
- Warranty Length:3-year limited warranty
- Additional Feature:RhinoCoat corrosion-resistant enclosure
- Additional Feature:Quiet-Test self-test mode
- Additional Feature:PrecisionPower Technology under 5% THD
DuroMax XP13000EH Dual Fuel Portable Generator
The DuroMax XP13000EH is the most popular whole house generator for budget-conscious homeowners who want serious power without locking into one fuel type. You get 13,000 surge watts and 10,500 running watts, enough to handle your central A/C, fridge, and lights during an outage. Switching between gasoline and propane is a snap with the front-facing interface. Here’s what you’ll love:
- Fuel flexibility: Run it on gas or propane, whichever’s cheaper or more available.
- Safety features: Low oil shutdown and a CO sensor keep things safe.
- Easy mobility: No-flat tires and a foldable handle let you roll it anywhere.
With a 3-year warranty and a 4.5-star rating from nearly 4,000 reviews, it’s a reliable choice. Just keep in mind, you’ll get about 3 hours runtime at full load on the 0.5-gallon gas tank. Perfect for short outages or job sites!
- Continuous Power Output (Watts):10,500
- Fuel Type(s):Dual fuel (gasoline, propane)
- Starting Method:Push-button electric start
- Total Harmonic Distortion (THD):Not specified
- Safety Features:Low oil shutdown, CO sensor, GFCI protection
- Warranty Length:3-year limited warranty
- Additional Feature:Copper windings for extended lifespan
- Additional Feature:No-flat tires for easy mobility
- Additional Feature:Foldable handle for storage
Westinghouse 12500 Watt Dual Fuel Portable Generator
You’ll love the Westinghouse 12500 Watt Dual Fuel Portable Generator if you need reliable backup power that’s easy to move around. Its heavy-duty never-flat wheels and lift bracket mean you can roll it anywhere, from your garage to a jobsite. With push-button electric start and a remote key fob, you’ll have power instantly.
This unit delivers up to 12,500 peak watts on gasoline or 11,200 on propane. The 457cc engine runs about 12 hours on a full 6.6-gallon tank. Plus, the VFT data center display shows voltage, frequency, and lifetime hours so you know exactly what’s happening.
Key outlets include:
- Two GFCI 120V household receptacles
- One 120V L14-30R outlet, transfer switch ready
- One 120/240V 14–50R 50A outlet for major appliances
And you get a 3-year limited warranty with nationwide support. It’s EPA compliant and built to last.
- Continuous Power Output (Watts):9,500 (gasoline); 8,500 (propane)
- Fuel Type(s):Dual fuel (gasoline, propane)
- Starting Method:Push-button electric with remote key fob
- Total Harmonic Distortion (THD):Not specified
- Safety Features:Automatic low-oil shutdown
- Warranty Length:3-year limited warranty
- Additional Feature:Remote start key fob
- Additional Feature:6.6-gallon fuel tank with fuel gauge
- Additional Feature:VFT data center display
Westinghouse 6500 Watt Dual Fuel Generator
Westinghouse stands out as the lightweight champion for budget conscious homeowners. At 135.6 pounds, you can actually move this one without a workout. And with dual fuel, you’re never stuck when gas runs dry.
You get 5,300 running watts on gasoline, enough for your fridge, lights, and a window AC. Propane gives you 4,800 watts for when you need cleaner storage. The 4.7-gallon tank runs up to 14.5 hours, so you sleep through the night.
Key features you’ll appreciate:
- RV ready TT-30R outlet for your camper
- Transfer switch ready L14-30R for home hookup
- Built in CO sensor that auto shuts off for safety
- Cast iron sleeve engine that lasts way longer
- Never-flat wheels for rough terrain
The three year warranty backs it all up. Plus, you get oil, a funnel, and a propane hose right in the box. Just fill, start, and power your essentials.
- Continuous Power Output (Watts):5,300 (gasoline); 4,800 (propane)
- Fuel Type(s):Dual fuel (gasoline, propane)
- Starting Method:Push-button electric start
- Total Harmonic Distortion (THD):Not specified
- Safety Features:Built-in CO sensor, automatic low-oil shutdown, overload protection
- Warranty Length:3-year limited warranty
- Additional Feature:Guided touchpoints on control panel
- Additional Feature:RV-ready TT-30R 30A outlet
- Additional Feature:Integrated CO sensor with auto shutdown
Factors to Consider When Choosing a Generator for Whole House
You’ll need to carefully weigh power capacity first. That’s the total wattage your generator must deliver to run your furnace, fridge, and lights all at once. And don’t forget fuel type options, transfer switch readiness, runtime efficiency, plus portability and size, each factor shapes how well your backup system fits your home and lifestyle.
Power Capacity
Three essential factors determine if a generator will successfully power your whole house: peak wattage, continuous wattage, and your home’s total load. Start by calculating what you’ll run simultaneously, from HVAC to refrigerator. You’ll typically need between 10,000 and 30,000 watts for full coverage.
Now, match those numbers to a unit’s specs. Peak wattage handles those initial surges, like when your compressor kicks on. Continuous wattage, however, is your real workhorse; it keeps critical circuits humming without tripping overloads. Always verify your pick is transfer-switch ready, too, and supports enough outlets to tie into your panel cleanly.
Add up every appliance’s wattage first. Then, buy a generator that exceeds that total, not one that merely matches it. That margin is your safety net. Get this right, and you’ll stay lit through the worst storms.
Fuel Type Options
Why does fuel matter so much when you’re picking a whole house generator? Because your fuel choice decides how often you’ll refuel, how clean the emissions are, and even your long-term costs. Let’s break it down.
- Diesel: High efficiency and durability for long outages. Expect less frequent refueling, but a higher upfront price.
- Gasoline: Cheaper upfront, but you’ll refuel more often during extended blackouts. Keep extra gas on hand.
- Propane: Burns cleaner, perfect for enclosed spaces, and stored fuel lasts years without degrading.
- Natural gas: Connects to your home’s existing line, so you never need to refuel. It’s a set-and-forget option.
- Dual-fuel: Offers flexibility. Switch between gasoline and propane (or natural gas) depending on what’s available.
Think about your typical outage length and your storage space. The right fuel keeps you powered without surprises.
Transfer Switch Ready
A transfer switch is the backbone of any whole house generator setup, and looking for a model that’s “transfer switch ready” will save you a lot of headaches down the line. This feature means the generator comes with compatible outlets, like a 50-amp or 30-amp connection, designed for easy hookup to an automatic or manual transfer switch. And that’s essential because a transfer switch prevents dangerous back-feeding, keeping utility workers safe and your home’s electrical system intact. Without it, you’re risking serious hazards. So, when you’re shopping, check for a dedicated outlet that matches your switch’s requirements. A transfer switch ready model simplifies the whole process, letting you switch between utility and generator power automatically during outages. You’ll get seamless, safe backup without the guesswork.
Runtime & Efficiency
When it comes to keeping your home powered through an outage, runtime and efficiency are what really separate a handy backup from a true whole house solution. Your generator’s runtime hinges on two things: fuel tank capacity and the engine’s consumption rate. Higher efficiency means longer continuous operation with less fuel, vital for extended blackouts. Dual fuel models give you flexibility, letting you switch between gasoline and propane or natural gas to stretch your resources. Look for automatic low-oil shutdown it prevents engine damage during those long hauls, keeping efficiency consistent. To plan effectively, understand runtime under your typical load. Don’t guess check the specs for half-load or full-load figures. That way, you’ll avoid running out of juice mid-storm. Efficient power isn’t just smart; it’s your lifeline.
Portability & Size
Three key factors determine how easily your generator fits into your life: its size, its weight, and its mobility features. A smaller, portable unit with compact dimensions and a lighter weight is far simpler to move and store during off seasons. You’ll appreciate built-in handles and wheels, which let you relocate the generator without breaking a sweat. But watch out: larger units often weigh over 500 pounds, requiring lifting straps or ramps just to transport them.
- Balance power with portability: Bigger generators provide more electricity, but they’re harder to manage in limited spaces.
- Measure your storage area: Your garage, shed, or outdoor spot needs to fit the generator comfortably, with room for ventilation and protection.
