Top 10 20kW Generator with Automatic Transfer Switch – Outdoor Generators

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1. Generac


Generac 70432 Home Standby Generator Guardian Series 22kW/19.5kW Air Cooled with Wi-Fi and Transfer Switch, Aluminum

Generac #ad - 240 volts supply. Up to whole house protection with the 200 Amp, NEMA 3R aluminum outdoor enclosure smart switch. Smart, user-friendly controls; generac evolution controller features a multilingual LCD display that allows you to Monitor Battery status and track maintenance intervals to ensure your generator is always in top operating condition. Receive real time status updates.
BrandGenerac #ad
ManufacturerGenerac Power Systems Inc #ad
Height29 Inches
Length48 Inches
Weight526 Pounds
Width25 Inches
Part Number70432
Warranty5 Year Limited Warranty

2. Westinghouse Outdoor Power Equipment


Transfer Switch & RV Ready, CARB Compliant, Electric Start, Westinghouse WGen12000 Ultra Duty Portable Generator, 12000 Rated Watts & 15000 Peak Watts, Gas Powered

Westinghouse Outdoor Power Equipment #ad - 12000 running watts and 15000 peak watts; electric start and remote start with Included Key Fob; Up to 11 Hours of Run Time on a 105 gallon fuel Tank With Fuel Gauge.

Features two gfci 120v 5–20r standard household receptacles, one transfer switch ready 120v l14-30r, One RV Ready 120/240V 14–50R, one 120v l5-30r outlet, and Two 5V USB Ports; All Outlets Have Rubber Covers for Added Safety. Powered by the ultra duty 713cc ohv v-twin westinghouse Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter. Plug-and-play: comes with a remote start key fob, 12v battery charger, an Oil Funnel, a tool kit, Oil, and a User’s Manual to Get You Started Right Out of the Box Minimal Assembly Required.
BrandWestinghouse Outdoor Power Equipment #ad
ManufacturerWestinghouse #ad
Height35 Inches
Length34 Inches
Weight352 Pounds
Width31 Inches
Part Number12001
Warranty3 Year Limited

3. Briggs & Stratton


Gray, Briggs & Stratton 40621 20kW w/ 200 Amp Symphony II Switch Standby Generator

Briggs & Stratton #ad - State-of-the-art commercial vanguard Engine - the premium Vanguard V-Twin vertical engine has been designed and engineered to deliver the most durable performance in the industry.

Amplify offers the ability to set and change priorities of high wattage appliances, as well as, monitor your generators status all from the touch of a button. 5 year limited best in class warranty that covers parts, labor, and travel for the full-length of the warranty with no hidden fees. Modules sold separately. Simple control system with a low speed run to save fuel, reduce noise and tighten control. Efficient alternator and smart automatic voltage regulator optimizes generator performance with tighter voltage control giving less than 5% THD for sensitive electronics and increased starting capability.
BrandBriggs & Stratton #ad
ManufacturerBriggs and Stratton Power Products #ad
Height30.6 Inches
Length50.5 Inches
Weight489 Pounds
Width33.8 Inches
Part Number40621
Warranty5 Year Limited Parts, Labor, Travel

4. Generac


Aluminum, Generac 7043 Home Standby Generator 22kW/19.5kW Air Cooled with Whole House 200 Amp Transfer Switch

Generac #ad - Generac battery 7043 5819 Sold Separately. True power technology delivers best-in class power quality less than 5% thd for Smooth operation of sensitive electronics and appliances. Includes a 200 amp nema 3 indoor/ outdoor rated whole house Smart transfer switch. Tough, durable all-weather aluminum enclosure offers 3 removable sides for easy access for installation, service and maintenance. Battery not included. Generac evolution controller features LED indicators for generator status, utility power presence or maintenance required.
BrandGenerac #ad
ManufacturerGenerac Guardian #ad
Height29 Inches
Length48 Inches
Weight515 Pounds
Width25 Inches
Part Number7043
Warranty5-year limited

5. DuroMax


DuroMax XP13000EH Dual Fuel Portable Generator 13000 Watt Gas or Propane Powered Electric Start-Home Back Up, Blue/Gray

DuroMax #ad - Powerful duromax engine: the xp13000EH is powered by a 500cc OHV Duromax Engine. Plenty of power: with 13, 500 watts, this unit can handle heavy loads from lights, refrigerators, 000 starting watts and 10, home conditioners and high amperage power tools.

Complies with emissions standards – all duromax generators are both approved by the EPA Environmental Protection Agency and CARB California Air Resources Board and follow strict guidelines to ensure our generators are as environmentally friendly as possible. Dual fuel technology: the ability to run on Propane or Gasoline allows the Freedom and Flexibility of Fuel Choice.

Maximum power: the power panel includes a wide selection of outlets for maximum compatibility in your applications including: 1 120/240V 50A heavy duty outlet, 1 120/240V 30A twist lock outlet, 1 120V 30A twist lock outlet, and 2 120V 20A household outlets. Powering everyone anywhere: like all duromax generators, the XP13000EH is EPA and CARB approved for use in all 50 states.
BrandDuroMax #ad
ManufacturerDuromax #ad
Height26 Inches
Length30 Inches
Weight234 Pounds
Width29 Inches
Part NumberXP13000EH
Warranty2 year manufacturer

6. Generac


Generac 7127 iQ3500-3500 Watt Portable Inverter Generator Quieter Than Honda, Orange/Black

Generac #ad - Usb ports - charge mobile devices including smartphones and tablets. Digital smart lcd - digital wattage meter, generator status, run time remaining display, hour meter and fuel level.

16% more power than honda, featuring power rush advanced technology. Rated ac frequency:60 Hz. Ideal for work or play - durable steel enclosure, clean inverter power and easy portability make this the ideal generator for jobsites or recreational activities. Electric start with power dial start/run/stop - three operation settings integrated into one simple-to-use dial battery included. Ultra-quiet – 40% quieter than honda* advanced inverter technology and enclosure design provide optimal quiet performance * Over 5 dBA quieter than the EU3000is, based on independent third-party testing.
BrandGenerac #ad
ManufacturerGenerac #ad
Height21.7 Inches
Length23.7 Inches
Weight109.1 Pounds
Width18 Inches
Part Number7127
Warranty3 Year Limited

7. Pulsar


CARB Compliant, Transfer Switch & RV Ready, Gas & LPG, Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator, Electric Start, 9500 Rated Watts & 12000 Peak Watts

Pulsar #ad - Includes propane hose & backed by a 1 Year limited. 4 120v 20a ac outlets, 1 120v/240v 30a twist-lock outlet, tools, 1 120V/240V 50A outlet, 1 12v dc output provide ample space for powering appliances, and other devices.

12, 800 peak watts/ 8, 500 rated watts gasoline & 10, 000 peak watts/ 9, 550 Rated watts LPG. Convenient drop-down handles and 10” never-flat wheels for added mobility and easy storage. The 457cc, single cylinder, air cooled, 4-stroke, OHV engine with electric start is protected by a durable powder coated frame. Complete with low oil shut-off, 3-in-1 digital meter, and automatic voltage Regulation for less worry and hassle.

A 8 gallon fuel tank gives you up to 12 hours of continuous operation at half load when running on gasoline. Dual fuel capability allows you to choose between gasoline & LPG fuel sources; great for emergency situations or natural disaster as LPG may be more readily available and easy to store.
BrandPulsar #ad
ManufacturerPulsar Products #ad
Height25.5 Inches
Length28.5 Inches
Weight209 Pounds
Width26 Inches
Part NumberG12KBN
Warranty1 year limited

8. Generac


Generac 7676 GP8000E Portable Generator, Black, Orange

Generac #ad - Electric start Model for easy operation Battery included. Generac durable OHV engine with splash lubrication provides a long engine life. Dimensions: 27. 2" w x 27" d x 26. 5 h | weight: 198 lb. Featuring power rush advanced technology – delivers over 30% more starting capacity allowing you to do more with less. Large-capacity steel fuel tank with incorporated fuel gauge provides durability and up to an 11 hour run-time at 50% load. 10000 starting watts. 8000 running Watts.
BrandGenerac #ad
ManufacturerGenerac #ad
Height26.5 Inches
Length27.2 Inches
Weight214 Pounds
Width27 Inches
Part Number7676
Warranty3 year manufacturer

9. Generac


Generac Guardian 24kW Home Standby Generator with PWRview Transfer Switch Wi-Fi Enabled

Generac #ad - Pwrview, allows generator owners to monitor and manage home energy usage, generac's home energy management system, leading to a reduction in electric utility bills of up to 20%. Save up to 8, 000 dollars in product and installation costs when compared to competitive output products. Takes up 70% less space when compared to competitive output products. Using pwrview you could save enough to pay for your generator.
BrandGenerac #ad
ManufacturerGenerac Power Systems #ad
Height29 Inches
Length48 Inches
Weight514 Pounds
Width25 Inches
Part Number7210
Warranty5-year limited

10. WEN


4750-Watt, WEN DF475T Dual Fuel 120V/240V Portable Generator with Electric Start Transfer Switch Ready, CARB Compliant

WEN #ad - Includes two 120v gfci outlets 5-20r, a 47-inch lpg connection hose, a bottle of oil, a 120V/240V NEMA 30A twist lock L14-30R, a 12v dc cigarette-lighter-style plug, a wheel and handle kit, and a 2-year warranty. Switch between gasoline 4750 surge watts, 3800 running watt and propane 4350 surge, 3500 running with the simple turn of the selection dial. 4-gallon tank provides up to 11 hours of half load run time. Electric start powers the 224cc 4-stroke OHV engine with the turn of a key. Voltage easily goes from 120V to 240V, perfect for transfer switches and emergency backup.
BrandWEN #ad
ManufacturerWEN #ad
Height18.5 Inches
Length23.2 Inches
Weight105.8 Pounds
Width17.5 Inches
Part NumberDF475T