supplying, installation and commissioning of 2nos. 1.5ton split type 3star 100 percent copper inverter type room air conditioner machines in the room no. 128a, animal house, department of physiology, rajabazar science college campus, c.u. , supplying of new 1.5ton split type 3star (100%copper) inverter type with dust filter, anti bacterial coating, dehumidifier, 4in1 adjustable mode, room air conditioner machine with high iseer, make-panasonic/daikin/voltas or equivalent. , fitting, fixing, testing & commissioning of the above machine with supplying of angle ironframe platform, copper pipes as required including insulation, rapping tape, electrical chord etc & drain pipe upto the nearest spout of drain of the building etc all complete along with mending good damages to the building. (position of the outdoor unit will be mentioned by the authority during executing the work.) , supplying, fixing & installation of 30a, 220v, ac, airconditioner chance over electronics timer for the alternate operation of the room air conditioner machines along with necessary connections & testing. , less: buy back of the old, noise 1.5ton window type ac machine.