The 12 best standby generators of 2025

With 13,000 watts of power, the XP13000EH Dual Fuel generator will keep your whole home running during a storm or power outage

DuroMax is the industry leader in Dual Fuel portable generator technology, with a full assortment ranging from digital inverters to generators that can power your entire home

At the core of all our products resides a robust DuroMax engine. Designed for Power. Designed to Last

The XP13000EH 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)

Constructed with a heavy-duty all metal frame and power panel - No plastic parts

Built to withstand severe weather and years of heavy wear-and-tear

Power wherever and whenever you need it - No-flat tires roll easily over any terrain

100% Copper Windings - Unlike aluminum, copper is a superior heat conductor that extends the life of your generator

Stay powered with our EH line of portable generators

DuroMax portable generators are designed to be mobile and versatile, with the ability to provide power whenever and wherever you need it. Unlike traditional standby generators that are large, expensive, yet only serve one purpose, DuroMax generators will power you whether you’re at home, on an RV trip, or at the jobsite

9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); Remote Start With Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6. 6 Gallon Fuel Tank With Fuel Gauge

Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 14–50R; All Outlets Have Rubber Covers for Added Safety

Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter. VFT display gives you real time updates with the voltage output, frequency, and lifetime hours

Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

All Westinghouse Portable Generators are Functionally 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

Perfect as a backup power source for larger homes or a dependable source of portable power

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)

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

Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve

All Westinghouse Portable Generators are Functionally 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

26KW rated LP/ 24KW rated NG

999cc Command Pro V-Twin Engine

200amp Automatic Transfer Switch and OnCue Plus

Seamless 24/7 Power – No refueling, no manual operation, no extension cords needed and backed by our 10 year limited warranty

Sub Zero Start – 24V starting system designed to operate down to -22º F

Easy Access – Innovative gullwing enclosure for easy installation and service

Quiet Power – Low tone muffler and sound dampening liner for residential operation

ATS50 – 50 amp, 10 circuit, outdoor rated (NEMA 3R) automatic transfer switch

At less than 49 pounds, this inverter is one of the lightest 4000-watt inverters in the industry

64 dBA from 23 feet is perfect for camping, tailgating or to backup a few home essentials, with 4000 starting watts, 3000 running watts and up to 10 hours run time, plus features CO Shield carbon monoxide auto shutoff system

The optional parallel kit enables this inverter to connect with another 4000-watt Champion inverter to double your output power

Includes a 120V 25A TT-30R outlet, a 120V 20 A household duplex outlet (5-20R) with clean electricity (less than 3% THD), plus a 12V automotive-style outlet, and Parallel outlets

Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

Mobile Link Remote Monitoring. Allows you to monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC, for FREE. Easily access information, such as the current operating status and maintenance alerts

The Ecogen is designed to interact with off-grid renewable energy applications. Capable of tying into an inverter and battery storage system to feed the energy source providing the cleanest running, low emission solution to recharging house batteries

Extended Run Capability: This innovative oil circulation system extends the maintenance intervals by an unprecedented 5 times the industry standard by offering 500 hour maintenance intervals

True Power Electrical Technology: Superior harmonics and sine wave form produce less than 5% Total Harmonic Distortion for utility quality power. This allows confident operation of sensitive electronic equipment, such as the variable speed HVAC systems

28,000 Peak Watts and 20,000 Running Watts; Easy-Access Start Panel with Remote Start Key Fob, Push-Button Electric Start, Engine Shut Off, and Battery Charging Port; Up to 11 Hours of Run Time at 50% load on a 17 Gallon Fuel Tank With Fuel Gauge

Featuring Four GFCI 120V 5–20R Standard Household Outlets, Two 50A 120/240V 14-50R Outlets, Two 30A 120/240V L14-30R Outlets, One 30A 120V L5-30R Outlet, and ST Switch Outlet; All Outlets Have Rubber Covers for Added Safety

Powered by a Heavy Duty 999cc Westinghouse V-Twin OHV Engine Featuring a Cast Iron Sleeve, Reinforced Steel Handles with Quick-Release Pins, Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Idle Control

Plug-and-Play: Oil, Funnel, Setup Guide, and Manual to Get You Started Right Out of the Box; Digital Readout Displays Lifetime Run Hours, Volts, and Frequency

All Westinghouse Portable Generators are Functionally 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 with Nationwide Customer Service Network

224cc dual-fuel engine runs on both gasoline (6800 surge watts, 5100 rated watts) and propane (6000 surge watts, 4500 rated watts)

Bonded-neutral 240V configuration provides low-power Level 2 charging for battery and hybrid electric vehicles

The WEN Watchdog CO Shutdown Sensor helps protect both you and your family by automatically turning off the generator if dangerous levels of carbon monoxide are detected

Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down

Includes fuel shut-off to help limit maintenance, onboard wheels, a telescoping pull handle, one L14-30R 120V/240V receptacle, two three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, a voltage selector switch, a tool-free LPG quick-connector, a six-foot-long LPG regulator hose, and a three-year warranty

Tailored for standby home generators - The Generac 6485 Maintenance Kit is specifically designed for use with standby home generators, ensuring compatibility and efficient maintenance

Kit for 20-Kilowatt 999cc Engines - This maintenance kit is suitable for generators equipped with powerful 20-Kilowatt 999cc engines, providing dependable power for your home

Recommended maintenance interval - Generac recommends performing maintenance every 200 hours of generator operation or every 2 years. If your generator operates in a dusty environment, more frequent maintenance may be necessary

Comprehensive maintenance components - The Generac 6485 Maintenance Kit includes essential components such as a pre-cleaner, air filter, oil filter, oil funnel, (2) spark plugs, blue cloth, instruction manual, and a maintenance reminder sticker

Oil sold separately - Please note that oil is not included in the kit and must be purchased separately. Ensure you select the appropriate oil for your generator's specifications to maintain optimal performance

With 13,000 watts of power, the XP13000HXT Tri Fuel generator will keep your whole home running during a storm or power outage, while protecting your family from harmful fumes with CO Alert

Run your generator on gasoline, propane, or natural gas. With Tri Fuel, we offer the ultimate freedom and flexibility of fuel choice

Powerful 500cc OHV Engine: At the heart of this generator resides a robust DuroMax engine designed to provide you with the most power.

The XP13000HXT 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

Push Button Start and Remote Start: Turn on your generator with a simple push of a button, or use the remote to conveniently start your generator from a distance.

Efficient Wire-free technology: The Load Manager Module are self-aware and operate autonomously; automatically shedding the managed loads to allow the generator to recover if sensing a drop in frequency

Customizable Load Prioritization: Prioritize essential items during outages by selecting load priorities. With support for up to 8 modules per system, you have the flexibility to manage multiple loads efficiently

Enhanced Lock-out feature: The load Management features a lock out system, which permits blocking of specific loads only when using generator power, allowing for the important loads to be powered more often

Convenient External LED Status: Easily monitor load status without the need to open the electrical box. The Load Manger Modules feature externally visible L.E.D. indicators, providing quick and convenient power management during outages

Load Managers actively monitor frequency (Hz), when the connected load demands more power than the generator or inverter capacity, they initiate configured load management functions through options like delay or lockout