Hi, can quote me system 4 and system 3 + system 1? New BTO 3 room + 1 living room. preference: Mitsubishi(new and old) or daikin system 4: 3x9k btu + 1x24k btu 3x9k btu + 1x18k btu (still calculating if enough for my living room) Preference: mit and daikin for system 3, any other brand for system 1 system 3 + system 1: (same as system 4 config) Thanks.