Mathematical modeling of the combined heat supply system of the solar houseS.I. Khamraev, J.R. Kodirov, J.O. Arabov, U.M. Mavlonov and N.Z. RakhimovE3S Web of Conf., 524 (2024) 01014DOI: https://doi.org/10.1051/e3sconf/202452401014