%0 Journal Article %T Optimization of the variable refrigerant flow systems by use of genetic algorithm and energy, exergy, and economic analysis for three coolant fluids %A Lotfihejrandoost, M. %A Behbahani, A. %A Ehyaei, M. %J Journal of Thermal Engineering %D 2020 %V 6 %P 381-404 %R 10.18186/thermal.712617