Guardian Series 20kW One of the most powerful air-cooled generators on the market today, this unit provides whole house power protection for many homes. In addition to essential circuit coverage, the 20 kW unit can back up multiple air conditioners and remaining rooms in your home like home theaters and offices.

 Generac’s OHVI® engine was designed specifically for generators. It out performs competitive generator engines with an engine life that is three to four times longer and has a significantly longer period between scheduled maintenance checkups.

Aluminum, all-weather enclosure prolongs the life of your generator with corrosion resistant protection from the elements. Recommended for salt-air, coastal locations. Base fascia standard,providing protection against debris and rodents and completing the stylish look of your generator.

Simple field conversion from LP to natural gas.

TruePower™ Technology provides clean, smooth operation of sensitive electronics and appliances.

Quiet-Test™ Mode for a weekly self-test that runs quieter than other brands.

External GFCI Outlet safely provides greater external usability during a power outage.

Hour Meter monitors run time, providing information to determine maintenance intervals.

Electronic Controller and user-friendly, trilingual LCD display and controls for programmable diagnostics and information at-a-glance. Sophisticated codes alert you to generator status at all times.