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Guardian · the workhorseGenerac Guardian 20 kW Whole House Generator
Most single-family Florida homes — every AC zone, kitchen, pool pump. Installed and serviced in-house by a licensed electrical and gas contractor.
What's included
One fixed price, quoted to your home
Every installation includes the transfer switch, concrete pad, county permits, and standard gas hookup — one fixed written quote after a free on-site assessment.
Features
What's built in.
Generac 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.
Simple Field Conversion
Simple field conversion from natural gas to LP. 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.
TruePower Technology
TruePower™ Technology provides clean, smooth operation of sensitive electronics and appliances.
Aluminum, all-weather enclosure
Aluminum, all-weather enclosure prolongs the life of your generator with corrosion resistant protection from the elements, making it ideal for salt-air coastal climates. Modeled to withstand winds up to 150 mph. A Base fascia comes standard, providing protection against debris and rodents and completing the stylish look of your generator.
External GFCI Outlet
External GFCI Outlet safely provides greater external usability during a power outage.
Added Sound Reduction
Enclosures are lined with sound reducing foam panels for further noise reduction.
QuietTest™ Mode
for a weekly self-test that runs quieter than other brands.
Hour Meter
The hour meter monitors run time, providing information to determine maintenance intervals
External “At-a-Glance” indicator
External “At-a-Glance” indicator lights offer an easy way to tell generator status without opening the generator enclosure.
The lineup
Full catalog →Compare other sizes.
Guardian Series 8 kW
Guardian Series 11 kW
Guardian Series 14 kW
Guardian Series 17 kW
QuietSource Series 22 kW
QuietSource Series 27 kW
QuietSource Series 36 kW
QuietSource Series 48 kW
Commercial Series 22-150 kW
Commercial Series 50 Hz
