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Generac Power System

Guardian Series 20 kW with Nexus Smart Switch

Features

Premium All-weather Aluminum Enclosure

Generac's all-weather aluminum enclosure with RhinoCoat™ paint finish provides the ultimate protection from the elements. Aluminum's corrosion resistance is recommended for salt-air, coastal locations. Includes the base fascia for additional protection from debris and rodents.

24/7 Peace of Mind

With a Generac automatic standby generator, you can enjoy peace of mind knowing your home and family are protected 24/7 from the potential dangers of power outages.

Quiet-Test™ mode

While all automatic standby generators perform a weekly self-test to validate proper operation, only Generac’s patented, programmable Quiet-Test™ feature provides an ultra-quiet, neighborhood-friendly self-test. It’s so quiet you’ll forget you own an automatic standby generator – until you need it, of course.
 

Smooth, Clean Power

Generac's own True Power™ Technology ensures your sensitive electronics and appliances are safely powered with electricity as clean as utility power, and won't experience damaging surges.

State-of-the-art Nexus Controller

Generac's Nexus™ Controller is the most comprehensive available. The dual line, tri-lingual LCD display allows for easy monitoring and management of generator functions.

Continuous fuel - LP or Natural Gas

The engine runs on existing natural gas or liquid propane for a continuous, worry-free fuel supply. Easily convertible in the field.

Convenient External GFCI Outlet

The external GFCI outlet means you can easily plug in outdoor equipment safely.

Nexus Smart Switch™

Gain more coverage with less generator with the included 200 Amp service rated Nexus Smart Switch featuring Digital Load Management™ technology. This state of the art technology has the ability to manage two air conditioners without adding additional components. Additional DLM Modules can be purchased to manage other large loads.

Up to whole house backup

One of the most powerful air-cooled generators on the market today, this unit provides whole house protection for many homes.

Generac OHVI® Engine

Generac’s OHVI engine Generac’s OHVI® engine is the only engine designed specifically for generator use, and has a significantly longer period between scheduled maintenance checkups than competitive engines, saving both time and money.
 

Easy to Install, Service and Maintain

Generac's design of this model provides easy access to installation and maintenance points. Maintenance kits are available for DIYers, or you can choose a service provider from the largest standby dealer network in the nation for warranty and scheduled maintenance.

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Compare

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Backup Coverage / Circuits Included
TruePower Technology
QuietTest Exercise Mode
Aluminum enclosure with RhinoCoat
Steel enclosure with RhinoCoat
Generac OHVI engine
External GFCI outlet
Hour meter
Base fascia
Composite mounting pad
  • 14 kW 14 kW
    14
    Y
    Y
    Y
    Y
    optional
    Y
  • 17 kW 17 kW
    16
    Y
    Y
    Y
    Y
    Y
    Y
    optional
    Y
  • 17 kW Aluminum 17 kW Aluminum
    up to whole house
    Y
    Y
    Y
    Y
    Y
    Y
    optional
    Y
  • 20 kW 20 kW
    up to whole house
    Y
    Y
    Y
    Y
    Y
    Y
    Y
    Y

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