The Influence of Room and Ambient Temperatures of Exergy Loss in Air Conditioning Using Ejector as an Expansion Device with R290 as Working FluidKasni Sumeru, Pratikto Pratikto, Andriyanto Setyawan and Adenkule Moshood AbioyeE3S Web Conf., 130 (2019) 01019DOI: https://doi.org/10.1051/e3sconf/201913001019