In this option, we suggest installing a heat pump from a trusted manufacturer Bosch with 8 kW thermal power as the main source of heating. The heat pump is also designed to cover the load on the heating system and prepare hot water in an indirect heating boiler.
A new model of Japanese-Czech heat pump FUJI (outdoor unit - Japan, indoor unit - Czech Republic) with a power of 10 kW. And in this case, the heat pump is designed to cover the load on the heating system and prepare hot water in an indirect heating boiler.
A highly efficient heat pump with a built-in hydraulic module from the Chinese manufacturer Lessar with a power of 12.1 kW is designed to provide a heating system and will do an excellent job of preparing hot water in an indirect heating boiler.