Hi Tim, Pls quote me on the following: To supply and install of Mitsubish Electric Inverter Multi Split System 4 Model : 3 x 9,000 Btu/hr and 1 x 20,000Btu/hr or 24,000Btu/hr Location: 3 Bedrooms & 1 living hall Additional Request: - To supply and replace of stainless steel bracket - Two-trip installation - 22 gauge copper piping - ½” Thermaflex class’0’ insulaltion - 16mm drainage pipe Thanks!