I am using blue star tower ac 4.5 ton from 1 year ago stile I have no any problem regarding it . the service and support of blue stare is fantastic . it cools smoothly and very fast without any kind of sound the quality of this product is very good and is reliable and I am satisfied.
It is stylish and has modern design it attract me and all it new customers. it has lesser maintenance in comparison to others ac. It is easy to use.