supply and installation 03 nos. air conditioner machine (with buy back of existing window a.c. machine) at food technology & biochemical engineering department of jadavpur university main campus kolkata 03 nos air conditioner machine with buy back of existing window ac machine 03 nos air conditioner machine with buy back of existing window ac machine at food technology and biochemical engineering department of jadavpur university main campus , air conditioner machine , 1.5 ton capacity a.c. machine single phase 230 volts, 50 hz make 5 star rating wall mounted window type a.c. machine complete set 100% copper condensor coil , installation standard installation charges for 1.5 ton window type room a.c. machine with, supply and laying of copper refrigerant piping with insulations, electrical power cable etc. , buy back offer offer may be submitted after physical verification of the site.