The bachelor thesis solves in the computational part design of heating and hot water in historically protected residential building in Chrudim. The theoretical part is about radiators. The building consists of two functional parts.The first part is constituted of a law office with social facilities. The second part consists of a space of an acommodation unit. This part is linked with an attic of the acommodation unit by a two-ply stairs. The heat source for this building is a gas condensing boiler. The heating surface consist of sectional radiators. Part of the work is a budget. The aim of the thesis " Heating of residential building with establishment" is to achieve heat comfort of all occupants