Why is GUARDIAN the #1 selling home standby generator?

Because we offer the best value in the industry. Only GUARDIAN has the features you need at a price you can afford. With our pre-wired, pre-packaged solutions, we extend your cost-savings even further by making our systems the absolute easiest to install. The patented, WhisperTest™ low-speed exercise mode offers quietest operation in its class. Generac's OHVI® industrial grade engines - designed specifically for generator applications - feature long run times of standby power. That, coupled with our best-in-class motor starting capability and our improved enclosure design, illustrates why America prefers GUARDIAN

Introducing the New Line of Automatic Power Protection

The Best Just Got Better

Today's house is larger and has more power-consuming devices than ever before. Generac’s engineers answered the need for more backup power with a new GUARDIAN lineup that has the most powerful generators, best-in-class power quality and the broadest range to fit any size home.

The best-in-class air-cooled generators feature dozens of improvements both inside and out.

True Power™ Technology
Provides safe operation of sensitive electronics

Highest Power Output
Now ranges from 8 to 20kW

PowerManager LTS transfer switch
Provides whole house protection by managing essential and non-essential circuits (standard on the 20kW model)

Digital Controls
Makes for user-friendly interface, enhanced diagnostics and easy view status (not included on the 8kW model)

Corrosion-Resistant Enclosures
In galvanized steel ensure long-term durability and with aluminum (optional on 17kW, standard on 20kW) for harsh climates

External Outlet
For outdoor power needs (17 and 20kW models only, GFCI protected)