The very successful and well known line of Guardian automatic standby generators is manufactured by Generac Power Systems. Generac Power Systems specializes in manufacturing fully integrated power systems that include industrial, commercial, and residential generator sets, as well as automatic transfer switches, controls, fuel tanks, enclosures and remote monitoring software. Generac Power Systems is a single source provider to the industrial and commerical markets. Self manufacturing all the necessary components for a functioning back up generator power system, Generac is able to produce quality dependable products with absolutely no compatibility obstacles. They also provide excellent warranty programs on parts and service.

The Top selling Guardian line features some of the highest value models in the industry, such as the new 7, 10, 13, and 16 kW generators and the QT series of commercial standby generators. The Guardian line offers unique features such as Whisper-test or Quiet-test generator testing cycles that make them quieter and neighborhood-friendly in addition to being reliable and dependable. Guardian generators truly have an excellent cost to performance ratio.