The „SeroMono Invert air / water“ from Solarbayer is a simple control unit for the whole heating system, manufactured in high quality materials and an environmentally friendly heat carrier medium. Besides a simple electric and hydraulic installation (nearly Plug and Play) and its taken back, individual design, the “SeroMono Invert, air / water” impresses with a COP-value of 5.0 (coefficient of Performance) and an operation area of up to -20°C outside temperature. Thanks to the mono block building, the heat pump can additionally be quickly and easily connected to a new or existing heating network.