Germany LT Hydraulic Split, L-Generation, R290 Heat Pump Monoblock Aquarea heat pumps can help you save up to 80% energy. Aquarea uses the thermal energy of the outside air as a renewable and free energy source to heat or cool buildings and produce hot water for sanitary purposes.Pioneering low-energy system for heating, cooling and domestic hot water preparation that achieves high performance.even at low outside temperatures. The new Aquarea L-Generation is specially designed for use with the industry-leading natural refrigerant R290.It is an ideal solution for the renovation of existing buildings where high flow water temperatures are required or for innovative pioneers who are aware. Choose a state-of-the-art heat pump with natural refrigerant. --- ATTENTION: An indoor unit is still required for operation !!! ---