This thesis deals with development process and technical documentation of beer cooler and dispenzer. Its working principle is to chill the whole barrel that is located inside of cooling area. Product demand was defined by company Oprema-Intercom d.d. Moreover, this thesis contains market analysis, customer demands, functional decomposition of the product, morphological product matrix and conceptual variants. The most convenient concept is selected and elaborated. Taking the thermodynamic analysis into the consideration, the device has been dimensioned. Also, 3D model and technical documentation, in determined extent, have been provided.