Outlines the basics of heat and mass transfer, stationary and non-stationary thermal conductivity, convective heat transfer, radiation heat transfer and complex heat transfer. The basics of mass transfer, heat exchange during phase transformations and heat exchangers are considered. The publication is intended as a teaching aid for students of higher educational institutions of engineering specialties. Can be useful for generalists. Recommended by the Educational and Methodological Association of Universities of the Russian Federation for Education in the Field of Construction as a teaching aid for students of higher educational institutions studying in the direction of "Construction." Complies with the Federal State Educational Standard of the 3rd generation.