Hi guys I have use blue star split 1 ton ac last 1 year so colling capacity are really nice in midiam size room . I have no any problem in last 1 year so I dont no about blue star service . blue star ac are big brand in india and better than other like wihirlpool and lg etc blue star split ac better build quality and copper condencer.
And low power consume 1200w so guys u go for blue star split ac 1 ton 3star