GENERAC 7039 - 20kw Guardian Home Backup Generator

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Backup Generator

The guardian is one of the most powerful air-cooled generators on the market today, the Guardian Series automatic home standby generator can provide whole-house backup power for many homes. The purchase of a home backup generator will give you peace of mind for years to come, but it’s a big investment. That is why we want to give you as much information as possible so you can make the right decision based on your needs and budget. The options below will help you understand how the entire process works, what your financing options are, and how to choose the right backup power solution.


  • Delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances.
  • Self-Test Mode runs at a lower RPM for a five or twelve minute test, making generators significantly quieter than other brands while consuming less fuel.
  • RhinoCoat powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.
  • Generac’s Evolution Controller features a multilingual LCD display that allows users to monitor battery status and track maintenance intervals to ensure your generator is always in top operating condition.
  • Generac's G-Force Engine is a purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power that’s more reliable and requires less routine maintenance than any competitive engine.
  • Fuel Consumption: 20KW - Natural Gas : 1/2 Load = 204 ft3/hr (5.78 m3/hr), Full Load = 301 ft3/hr (8.52 m3/hr)
  • Fuel Consumption: 20KW - Liquid Propane : 1/2 Load = 87 ft3/hr (2.37 gal/hr) (8.99 L/hr), Full Load = 130 ft3/hr (3.56 gal/hr) (13.48 L/hr)