Energy saving using solar air heater collectorsMirsoli Uzbekov, Bekzod Boynazarov, Feruza Nasretdinova, Iqboljon Zoxidov, Abdulahad Ashurov and Zuhriddin HamidjonovE3S Web of Conf., 508 (2024) 02001DOI: https://doi.org/10.1051/e3sconf/202450802001