procurement of different ac machines for plant and township under em(oph) dept., stps. , air conditioner, split type, cap: 2t additional data: power supply: 250v ac, coolant: eco friendly gas (r-22 or its higher grade). compressor : rotary, rating:3 star (2018). colour: white. noise level: 37-43 db. remote control operated with digital display at indoor unit, outdoor unit coil may be made of copper or alloy but indoor unit must be made of copper. supplied with necessary wall fittings of outdoor unit. make: hitachi/ blue star/carrier , air conditioner split type capacity: 1.5t for room ac additional data: power supply: 250v ac, coolant: eco friendly gas (r-22 or its higher grade). compressor : rotary, rating:3 star (2018). colour: white. noise level: 37-43 db. remote control operated with digital display at indoor unit, outdoor unit coil may be made of copper or alloy but indoor unit must be made of copper. supplied with necessary wall fittings of outdoor unit. make: hitachi/ blue star/ carrier , air conditioner, window type, cap: 1.5t additional data: window a.c, single phase, 250 v, 50 hz ac, star rating: three (2018), compressor type: rotary, coolant: eco friendly gas (r-22 or its higher grade), remote control operated, coil unit: copper. make: hitachi/ blue star/ carrier