Физиолого-гигиенические bases over of creation in the air environment of the ventilated and air-conditioned apartments of comfort parameters of microclimate are brought for people, in them being| physical bases of construction and classification of the systems of ventilation and climatization.The methods of calculation of basic structural aggregates of the systems, networks of air-distribution are expounded, and also selection of filters, ventilators and other elements and knots. The requirements over, produced to the systems and materials and basic recommendations on fire-prevention defence during exploitation on the basis of experience of the German firms, are brought.Large attention is spared to planning of the modern systems of ventilation of dwelling-houses.A book is complemented by appendixes, facilitating the selection of equipment.Certificate-informative guidance for the students of speciality "Heating, ventilation and climatization" and managers of building and project organizations.