Voltas split ac is very good, and 1.5 ton is comfortable for 9*10 square ft room, even I am also using 2 split ac in my home, its service is very good and cooling power is also powerful, easy to use, comfortable, no sound problem, easy to clean their filters, automatic adjust to temperature according to room temperature and outside.
Its very less electricity consumption, and if I call to service center regarding any problem in ac, within 24 hours available their employee come to home for resolving problem. Voltas ac prices is also not very high. every one can buy and easy to installation.Voltas product is so good.