PROF. SONAVANE SANTOSH K., NANGARE AKASH S., PATIL RUSHIKESH M. MULTIFUNCTIONING OF AC BY RECOVERY OF LOST HEAT. Int. j. innov. eng. res. technol. 2021;6(4):1-7. Accessed August 25, 2025. https://repo.ijiert.org/index.php/ijiert/article/view/1802