Practical recommendations and scientific and methodological advice on the construction and reconstruction of a low-rise energy-efficient house in accordance with domestic and foreign standards and standards of energy consumption are summarized and systematized. Architectural and planning and engineering solutions for the construction of cottages and country-type houses with the most comfortable living conditions are considered. Thermal insulation of walls and roofs, sealing and hydro-insulation, installation of energy-saving windows, protection of foundations and basements from freezing, wall insulation, etc. are described.