This paper considers the main results of instrumental analysis of technological efficiency and safety, and suggestions for improving the working conditions of workers engaged in steaming of reinforced concrete products in steam curing chambers operating on saturated steam. This work is a part of comprehensive energy study of enterprise to find measures that increase the energy potential of not only the enterprise itself, but also reduce the cost of primary and auxiliary products by reducing costs in its production. An optimized scheme for delivery, transporting and consumption of water vapour was implemented in the real sector of the economy in Vologda (Russia).