I always knew that the attractive air-con prices we see everyday in the newspapers & IMM will never apply to landed houses - but wow what a big difference it seems! Does this seem reasonable? Check it out; To provide labour, tools and materials to install daikin inverter wall mounted type air con with conceal refrigerant pipes, upvc drainage pipes and control 1) DAIKIN 4MKS80ESG / FTKS50FVM / FTKS50FVM ( 18,000BTU / 18,000BTU ) Landed Special Price :$ 4,700 HDB Standard Price : $3,400 ( Difference 1.3K more ) 2) DAIKIN 3MKS71ESG / FTKS50FVM / FTKS25DVM (18,000BTU / 9000BTU Landed Special Price :$ 4,500 HDB Standard Price : $2,400 ( Difference 2K more!! ) 3) DAIKIN 3MKS71ESG / FTKS35DVM / FTKS25DVM (12,000BTU/9000BTU / 9000BTU Landed Special Price :$ 5,300 HDB Standard Price : $3,300 ( Difference 2K more!! ) Total damage for 7 coils & 3 Compressors including; 1) Class-1 3/4 and 1/2 thick flexible insulation for refrigerant pipes. 2) Gauge - 22 refrigerant pipe. 3) Upvc drainage 16mm pipes with 3/8 insulation 4) Upvc trucking for external installation. 5) Key stone brand wire S$15,515 ( Or about 5K more then HDB installation ) Just like to check with follow bros here if this is indeed the ballpark prices you paid for your install if you stay in a 2 storey landed house. Cheers