The study of a general technical or special technical course includes: listening to a lecture course, performing laboratory work, as well as, if necessary, performing calculation and graphic work (course project). This tutorial provides examples of solving problems in heat engineering and the design progress of the heating and ventilation system of a livestock building. The purpose of the manual is to consolidate the knowledge gained by students in the study of the course "Heat Engineering," and to instill the skills of independent solving of problems, calculation and selection of equipment in the design of air heating systems combined with plenum ventilation of the livestock building.