Looking to back up your entire home or commercial business Consider the Protector Series gaseous Automatic Backup Generator line. These units power all appliances, electronics, pumps and motors during power outages, allowing you to continue living life comfortably and keeping business operating without interruption. What Makes the Protector Series Such a Great Choice Performance and reliability. Installation flexibility and cost reduction. Clean burning, continuous fuel choice of natural gas or LP. Quiet operation. All supported by a 24/7/365 customer support team at our corporate headquarters, and a nationwide dealer network of more than 6000 strong. Generac's 22 kW to 150 kW product packs more power into a smaller footprint - ideal when space is a premium. The neutral styling, color and small footprint fits unobtrusively into landscaping. The Generac 4.5 L engine is a purpose-built engine designed from the ground up by Generac and made in Wisconsin. Utilizes the first in class, dual-valve ultra-low pressure fuel delivery system and intelligent proprietary engine controls that manage over 100 performance functions to ensure peak efficiency in all temperature ranges and elevations. Generac is one of the only manufacturers to design and produce a complete generator, which includes our own engine, alternator, fuel system, controller and enclosure in the US.