This document discusses heat pump technology for heating multi-family homes, public buildings, and commercial properties. It describes the benefits of heat pumps such as reduced heating costs of up to 80% compared to conventional systems. Heat pumps provide fully automated operation without the need for fuel delivery or storage. The document highlights the high efficiency and environmental friendliness of heat pump technology. It also provides technical specifications for different Bosch heat pump models with capacities ranging from 22 kW to 80 kW.