Investigating Electrical Operational in Green Building: A User and Expert Perspectives

Green buildings are designed to reduce negative environmental impacts through energy efficiency, the use of eco-friendly energy and building materials, and the reduction of carbon emissions. To measure the extent to which these goals are achieved, objective and measurable evaluations are necessary. The aim of this study is to assess and compare the opinions of users and green building experts regarding the operational energy efficiency of cooling and lighting systems in the Politeknik Negeri Samarinda campus building in implementing energy savings. This research was a quantitative study using the Independent T-Sample Test. The results of the study conclude that there was no significant difference between the opinions of building users and green building experts regarding the building’s performance related to the efficiency level of the cooling system in term of the operational energy use in the Politeknik Negeri Samarinda Campus Building. This means that the use of cooling and lighting systems has already followed the Indonesian National Standard (SNI).