The GroSave Single Phase unit is custom designed for residential applications. The GroSave unit reduces peak demand, kW demand charges and kWh usage by an average of 18-25%. The unit stores and recycles electrical energy and reduces line loss resistance by increasing the capacity of your electrical system. GroSave reduces power surges and sags while reducing operating temperatures of your equipment by 10-12 degrees. The GroSave unit extends motor life up to 50%, provides surge protection and enhances over-all power quality. GroSave comes with a 20 year warranty, and a 5 year commercial and industrial warranty.