OPTIMALISASI KINERJA TERMAL SELUBUNG BANGUNAN UNIT HUNIAN DI RUSUNAWA CIBESUT JAKARTA TIMUR

Most of the flats that have been built show the same building envelope design in various orientations, both in terms of design, opening area, and material. The level of solar radiation from each orientation of the facade is certainly different and will result in differences in the energy level of the building envelope for each orientation of the residential unit. If the apartment units are conditioned by air conditioning (AC), it will also produce different levels of energy consumption. How is the difference in thermal performance of the facade and energy consumption in each orientation direction?The purpose of this study is to identify the level of the energy difference between the residential unit building envelope in the west side and the east side of the Rusunawa Cibesut, in East Jakarta, and to find alternative efforts that can be made to produce building envelope energy levels that are relatively the same in both orientations and it’s post-construction applications. This research was carried out by performing thermal calculations on building envelopes (OTTV) and computer simulations to obtain results. In the option of applying glass wool insulation and gybsum board as it protection, the average EUI can be reduced by 10.7%, and achieve a level of energy consumption that is relatively the same in both unit orientations