ENERGY STAR Qualified with an industry-leading 4.2 COP;Heat pump technology provides a more energy-efficient way to heat water with electricity;Integrated 119-gallon tank enables heat pump to operate more frequently, saving money;Three operating modes (Efficiency, Hybrid, and Electric) maximize efficiency while meeting specific hot water demands;First-hour delivery exceeds 150 GPH;Dual 6 kW heating elements provide additional heating capability for periods of high demand;Max. water temperature of 150F. in Efficiency and Hybrid modes, and 180F. in Electric mode;Large touchscreen LCD display allows for mode selection, provides run information, and includes troubleshooting alerts and detail;3-year limited tank warranty/1-year limited parts/compressor