Application of Sustainable Architecture in Intiland Tower Surabaya Through Façade Analysis

Abstract

The rapid growth of Surabaya has driven the development of high-rise buildings, contributing to increased energy consumption and carbon emissions. Building façades play a crucial role in supporting sustainable architecture, especially in tropical climates with high solar radiation. This study analyzes the façade characteristics of Intiland Tower Surabaya in terms of energy efficiency and thermal comfort. The research applies a qualitative descriptive method through field observation, visual documentation, and literature review based on Greenship and LEED principles. The results show that the façade utilizes low-emissivity glass, shading systems, and local natural stone materials. However, it lacks natural ventilation, green façade elements, and uses ACP materials with high environmental impact. Development strategies include the application of double-skin façades, green façades, adaptive façade technologies, and enhanced natural ventilation. This study serves as a reference for retrofitting existing high- rise buildings toward more energy-efficient and environmentally friendly designs in dense urban tropical areas