Please kindly quote for me the following: House: HDB 4 room flat (there are an existing Toshiba System 3 which will be dismantled and disposed during renovation) Brand: Mitsubishi Electric Model: Starmex System 4 I need to install 3 units for 3 bedrooms, and 1 for living & dining room - 9,000 btu x 3 + 24,000 btu. Please kindly Quote will installation and let me know what are materials/piping used as well. Which Mitsubishi Electric Starmex series are 5 ticks? What are the pricing differences and specifications differences between EF, FD or MSY series? Thanks & Regards - sgbb