Hi Aron, Can you quote me for Other wishlist (1/2" insulation armaflex class '0' or '1' throughout , 16mm pvc water drainage piping, 2times installation, 23SWG brand new copper piping) i) Daikin (inverter, R410A) System 3 ii) Mitsubishi Electric (inverter, R410A) System 3 (12k, 9k x 2) Other costs to know in advance, pls highlight. Thanks! Ryan