Institute of Engineering Thermophysics of NAS of Ukraine Now the main directions of the Institute’s scientific and technical activities are: thermophysical research in heat and power equipment with using traditional, renewable and alternative energy sources, developing methods for improving efficiency, reliability and environmental safety of this equipment; the theory of heat and mass transfer and its application for increasing the efficiency of the processes of heat transfer and heat using in machines and apparatuses of new equipment; the theory of heat and mass transfer for the improvement of energy efficiency of existing heat technologies, the development of fundamentally new resource-saving heat technologies; the theory of measurement of thermal characteristics, the creation of new thermophysical tools and systems for monitoring the state of technical objects and technologies.