Voltas ac coolling very high, it product is tata product so trast The compressor the machinery is quite powerful also the cooling rate is great.The fan speed ia also good which helps in incresed efficiency. Five years warraty. After one month AC works like a charm with little to no noise inside room. Chilling my room in no time. Satisfied with my choice Satisfied with my choiceI finalised this model after a lot of searching& must say it is a good choice and five years warraty