Towards Cooling Tower Efficiency-An Energy Audit Approach Alwin Long Su Weng, Samson Mekbib Atnaw, Roziah Binti Zailan and Muhamad Muhtazam Noor Din MATEC Web Conf., 111 (2017) 02011 Published online: 20 June 2017 DOI: 10.1051/matecconf/201711102011