tender for supplying, installation & commissioning of 21nos. 2ton split type 5star (100%copper) inverter type room air conditioner machine in the central library, college street campus, cu. , supplying of new 2ton split type 5star (100%copper) adjustable inverter type with dust filter, anti bacterial coating, dehumidifier room air conditioner machine with high iseer, make-panasonic/carrier/voltas or equivalent make. , installation with fitting, fixing & commissioning of the above machine along with supplying of angle iron frames/angle iron platform, electrical chord, extra copper pipes etc as required including insulation & drain pipe upto the nearest spout of drain of the building etc all complete. (position of the outdoor unit will be same at current location.) , less: buy back of the existing room air conditioner machines (as proposed by the dy. librarian, cu).