Could you give me quote as below Option 1 : Mitsuibishi starmax system one (9K) for studying room including installation. please include the (detail piping, coil, insulator used) Option 2 : Mitsuibishi starmax system TWO (12 K & 9K) for Living Room & studying room including installation. please include the (detail piping, coil, insulator used) my flat is HDB 5 rooms in Jurong Area with aircon ledge (but i have existing System 4 for the Beds rooms) it mean you may need s.s bracket for the outdoor unit. thanks you Htin