The bachelor thesis solves the design of heating of an apartmant building at cadastreal area Markvartovice. The building has three floors, no basement and it‘s covered by gable roofs. Two air-water heat pumps are designed as a heat source, all in SPLIT variant. Hot water preparation is designed as preferred. Bacherol thesis is divided into 3 parts – theorical, calculation and project. The theoretical part is about heat pumps. The calculation part is about design of the building heating and hot water preparation. The building is heated by a system of radiators. The building ventilation is natural. Heat sources are located on the first floor in the technical room and externals sources are located right in front of the aparmant building direct...