HomeWhat size do I need What size do I need Calculate Now Simply enter the width and length of your room/house The average room ceiling height of 2.6m used in our measurement Company Choose System Split Systems (Room Size) Ducted Heating (Dwelling Dimensions) Ducted Airconditioning (Dwelling Dimensions) Length (m) Width (m) Total Area Total Area: m² Total KW Split System Total kW: kW