Standby Generator, 20kW | 3-Phase | WiFi Enabled

Starting At: $5,689.00

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Standby Generator, 20kW | 3-Phase | WiFi Enabled

One of the most powerful air-cooled generators on the market today, the Guardian Series 3-Phase 20 kW Standby Generator can provide whole-house backup power for many homes.

Mobile Link™ Remote Monitoring FREE with every Guardian Series Home standby generator allows you to monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC. Easily access information, such as the current operating status and maintenance alerts. Learn more about Mobile Link

5 Year Limited Warranty for automatic standby generators.

True Power™ Technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances.

Generac generators and engines are engineered and built in the USA*.
*Assembled in the USA using domestic and foreign parts

Generac's G-Force Engine are purpose built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power that's more reliable and requires less routine maintenance than any other competitor. 

24/7/365 Customer Support Team standing by all day, every day from our headquarters in Wisconsin to answer any questions you might have.

Durable powder-coat finish helps make the sturdy, galvanneal steel enclosure perfect for all weather conditions

Smart, User-Friendly Controls  Generac’s Evolution™ Controller features a dual-line, multilingual LCD display allowing for easy monitoring of history, maintenance logs making it easier to manage your generator.


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File Type Manual (PDF) Item Number Download


Product Series:

Fuel Type: Liquid Propane or Natural Gas

Oil Type: Check chart in manual

Oil Capacity (qt): 1.9

Oil Capacity (l): 1.8

Oil Filter P/N:

Air Filter P/N:

Spark Plug P/N:

Battery Included:

Battery PN:

Battery Type: Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum

Battery Size: 12V

Engine Type: G-Force 1000

Engine Size:

Weight (kg): 211

Weight (lb): 466

Running Watts (W) 0

Mobile Link:

Quiet Test:

Length (in): 48

Length (cm): 121.8

Width (in): 25

Width (cm): 63.8

Height (in): 29

Height (cm): 73.2

Controller Type: Evolution

Enclosure: Aluminum

Max. Cont. Power (LP): 0

Max. Cont. Power (NG): 17000

Max. Cont. Amps (LP): 0

Max. Cont. Amps (NG): 0

Main Line Circuit Breaker 80

NG Consumption - 50% (ft3/hr): 219

NG Consumption - 50% (m3/hr): 6.2

NG Consumption - 100% (ft3/hr): 307

NG Consumption - 100% (m3/hr): 8.69

LP Consumption - 50% (ft3/hr): 87

LP Consumption - 50% (gal/hr): 2.39

LP Consumption - 100% (m3/hr): 130

LP Consumption - 100% (gal/hr): 3.56

LP Fuel Pressure Requirement (wc): 0

LP Fuel Pressure Requirement (mmHg): 0

NG Fuel Pressure Requirement (wc): 0

NG Fuel Pressure Requirement (mmHg): 0