supply of design, supply, erection, installation, testing and commissioning of variable refrigerant flow/variable refrigerant volume type air-conditioning machinesdesign, supply, erection, installation, testing and commissioning of variable refrigerant flow/variable refrigerant volume type air-conditioning machines,design, supply, erection, installation, testing and commissioning of variable refrigerant flo w/variable refrigerant volume type air-conditioning machines including supply and provision of ancillary co mponents (outdoor units 24hp x 2nos ) and total 48hp & stand by ( outdoor units 24hp x 1 nos) and ( ind oor units 4way cassette type 16 nos ) ( total 37tr ) at 7th floor of pcee office ngo annex building 3783 sq.ft. approx. . split up details for indoor units & outdoor units are given below. as per detailed description enclosed. make - lg, voltas or similar. [ warranty period: 24 months after the date of delivery ] ]