Investigation on composite phase change materials for energy-saving buildings Sanjeev Kumar Shah, K. Srinivas, Muntadar Muhsen, K. Sunil Kumar Reddy, Laziz Safarov, Amangul Sanbetova and Rajan Verma E3S Web Conf., 563 (2024) 01003 Published online: 30 August 2024 DOI: 10.1051/e3sconf/202456301003