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Best 15000 watt home generators - April 2026

Last Updated - April 3, 2026

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Westinghouse

Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

Westinghouse

$3,899.00

More Details
Main highlights
- TRI FUEL WESTINGHOUSE WORKHORSE: Powered by a heavy-duty 999 cc Westinghouse V-Twin OHV engine featuring a cast-iron sleeve; reinforced steel handles with quick-release pins; automatic low-oil shutdown; low idle mode; digital readout displaying lifetime run hours, volts, and frequency
- PLUG IN, POWER UP: Two 120/240V 14-50R 50A outlets, two 120/240V L14-30R 30A outlets, all transfer switch and interlock kit ready; one 120V L5-30R 30A outlet, four GFCI 120V 5–20R 20A standard duplex outlets; all have rubber covers; includes oil, funnel, and setup guide to get you going right away
- MAX POWER OPTION: With high output designed for easy whole-home backup, our exclusive 125A 240V AC terminal block lets a licensed electrician hardwire the generator directly to your home for full power delivery without the limits of cords or outlets
- LOW THD—SAFE FOR SENSITIVE ELECTRONICS: Engineered so you can power phones, computers, TVs and more to stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
- HUGE PORTABLE POWER: Gasoline: 28,000 peak watts and 20,000 running watts; Propane: 25,200 peak watts and 18,000 running watts; Natural gas: 22,400 peak watts and 16,000 running watts; up to 13 hrs. of run time at 25% load on a 17.2-gal. tank with gauge; perfect backup power source for larger homes
- BIG AND BUILT TO MOVE: Large, never-flat wheels, foldable steel handles and lift bracket for easy maneuvering, so you get best-in-category power wherever and whenever you need it for home backup or jobsite. The power of a stationary unit, but with portability--so it’s the best of both worlds
$3,899.00
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WEN

WEN 15000-Watt Weatherproof Home Backup Portable Generator, 120V/240V, Tri-Fuel with Cyclone Shield Weatherproofing Technology, 550cc Engine, Remote Electric Start, Wheel Kit, & CO Watchdog (TF1500XR)

WEN

$2,599.99

More Details
Main highlights
- Switch between gasoline (15000 surge 12000 running watts), propane (13300 surge, 11000 running watts), and NG (11750 surge, 9800 running watts) with a simple press of a switch
- Run it in the rain! Our unique weatherproofing Cyclone Shield technology enables NEMA 3R weather resistance for power in any weather
- Remote electric start allows you to turn your generator on without going outside in the rain
- Includes four 120V 5-20R GFCI outlets, a 120V/240V transfer-switch- or EV-ready 14-50R outlet, a 120V transfer-switch-ready L5-30R outlet, a five-foot LPG connection hose, a quick-connector, WEN Watchdog CO Shutdown Sensor, and a three-year limited warranty
- Bonded-neutral 120V/240V configuration is perfect for transfer switches, emergency backup, or Level 2 charging for battery and hybrid electric vehicles
$2,599.99
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Westinghouse

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

Westinghouse

$1,499.00

More Details
Main highlights
- Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve; Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank
- Perfect as a backup power source for larger homes or a dependable source of portable power
- Engineered with low THD, so it's safe for sensitive electronics. Power phones, computers, TVs and more. Stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
- All Westinghouse portable generators are gunctionally tested in the factory and may contain minimum residual oil and/or fuel odor; EPA compliant; Backed by 3-Year limited service, labor, and parts coverage and Nationwide Customer Service Network
- 14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts (propane); 12,000 peak watts, 9,500 running watts (natural gas)
$1,499.00
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GENMAX

GENMAX 15000W Tri-Fuel Portable Generator - 2025 Model with ATS, CO Sensor, Digital Display & 50A Output Perfect for Home Backup, Construction Sites & Emergency Power

GENMAX

$1,899.99

More Details
Main highlights
- 【Tri - Fuel Capability, Effortless Start - Up】 Adaptable to diverse settings and user inclinations, the GM15000ET is engineered with tri - fuel compatibility, enabling seamless transitions between gasoline, LPG, and natural gas. This flexibility ensures reliable power sources for various scenarios. Moreover, it offers a trifecta of start - up options: one - button start for instant ignition, remote start for added convenience, and recoil - start as a reliable backup. This comprehensive start - up system guarantees swift power activation, regardless of the circumstances. With such simplified operation, users can effortlessly take charge of their power needs.
- 【LED Flexible Rope Light】 Exceptionally bright, yet generating minimal heat and boasting remarkable energy - efficiency, our LED flexible rope light is a game - changer. At night, it illuminates the panel with clarity, enhancing visibility of the panel functions. This not only facilitates smooth operation but also ensures safety during low - light conditions.Even when the generator is not started and the main switch is turned on, the LED Flexible Rope Light can remain lit for 30 seconds, providing just - in - time illumination for quick checks or operations.
- 【Intelligent Control Panel,2-wire Start】The control panel is multifunctional,integrating cutting-edge technology with a user-centric design. A DC cigarette lighter outlet caters to the charging requirements of batteries.The multifunctional digital display presents real - time operational data,Easy to monitor.Equipped with a battery charging port and a 2 - wire automatic start/stop mechanism for charging solar batteries,it's a boon for solar - powered setups.The built-in CO detection function prioritizes user safety.The voltage transfer switch enables seamless switching between 120V and 240V,with the ability to output full power at 120V,providing intelligent solutions for complex power demand
- 【High Output Engine, 10.56 gal Fuel Tank】:The GM15000ET Rated running power of 11000W and a peak power of 15000W make it ready to respond to various power demands. The GM15000ET comes with a capacious 10.56 gal fuel tank, ensuring uninterrupted power for all your regular household electrical requirements. Featuring ∮32 frame tubes, the GM15000ET not only exudes a sense of grandeur but also guarantees long - term durability. Its robust construction can endure various usage conditions, making it a reliable companion for years to come.
- 【GENMAX Support】Includes 3-year warranty with FREE lifetime technical support from experts.
$1,899.99
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

DuroMax

DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready

DuroMax

$2,276.67

$2,499.00
(9% Off)

More Details
Main highlights
- With 15,000 watts of power, the XP15000HX Dual Fuel generator will keep your whole home running during a storm or power outage, while protecting your family from harmful fumes with CO Alert.
- The fully loaded power panel includes five 120V GFCI household outlets, one 120V 30AMP outlet, one 120/240V 30AMP twist-lock outlet, and a heavy-duty 120/240V 50AMP outlet making it transfer switch ready!
- The digital multimeter displays voltage, frequency, total hours run, and hours until the recommended maintenance.
- The XP15000HX comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets (including a transfer switch-ready 50 amp outlet).
- Our innovative CO Alert eliminates the threat of carbon monoxide poisoning by automatically shutting down the generator when harmful fumes are detected
- Enjoy the freedom and flexibility of running your generator on either gasoline or propane. Propane is cost effective, clean-burning, fuel efficient, low maintenance, has a long shelf life, and is a readily-available fuel source.
- DuroMax portable generators are designed to be mobile and versatile, with the ability to provide power whenever and wherever you need it. DuroMax generators will power you whether you’re at home, on an RV trip, or at the jobsite
- Built using a powerful 670cc OHV DuroMax engine and features ALL COPPER WINDINGS designed to make your generator last for years.
- All-new control center with a digital multimeter, push-button start, and a front-facing fuel interface allowing you to change your fuel type in seconds!
- 100% Copper Windings - Unlike aluminum, copper is a superior heat conductor that extends the life of your generator
$2,276.67
$2,499.00 (9% Off)

Best 15000 watt home generators - April 2026

Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

WEN 15000-Watt Weatherproof Home Backup Portable Generator, 120V/240V, Tri-Fuel with Cyclone Shield Weatherproofing Technology, 550cc Engine, Remote Electric Start, Wheel Kit, & CO Watchdog (TF1500XR)

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

GENMAX 15000W Tri-Fuel Portable Generator - 2025 Model with ATS, CO Sensor, Digital Display & 50A Output Perfect for Home Backup, Construction Sites & Emergency Power

DuroMax XP15000HX 15,000-Watt Dual Fuel Portable Generator - Gas & Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready

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