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22-150 kW Commercial Series Liquid-Cooled Automatic Standby Generators

The Generac Commercial Series makes standby power a sound investment for residential, commercial and light industrial applications. These revolutionary generators are exceptionally quiet, environmentally friendly and so affordable they can often pay for themselves during a single power outage in commercial and industrial applications.

Generac's exclusive Quiet-Test™ feature allows the engine to run at slower speeds during the weekly self-test, resulting in sound levels comparable to a car idling in the driveway. Natural gas operation means fewer exhaust emissions and no diesel odor. A reliable, continuous supply of natural gas eliminates refueling and there's no need for expensive double-walled diesel tanks, no fuel maintenance and no risk of environmental liability from fuel spills.

• Quiet-Test™: Patent-pending, self-test feature makes the Commercial Series 50% quieter and more fuel efficient during the generator's weekly self-test cycle
• Superior Paint: Tough, textured powder coat paint finish for unmatched durability and all weather protection
• Clean Burning Fuel: Natural gas or LPV
• Aluminum Enclosures: Some models come equipped with all aluminum enclosures to better withstand the elements in highly corrosive environments.
• UL Listed: For safety and certified power ratings